optimize loop endings in RemoveUnusedBrs

 * rotate an if near the end of a loop as it can let a break out flow naturally and be removable
 * turn a br_if into an if it allows such an optimization in cases where it helps remove other structures

13 files changed, 6875 insertions, 6718 deletions

diff --git a/src/ast_utils.h b/src/ast_utils.h
index 5deaa6a2c..6b76dd61d 100644
--- a/src/ast_utils.h
+++ b/src/ast_utils.h
@@ -27,7 +27,7 @@ namespace wasm {
 
 struct BreakSeeker : public PostWalker<BreakSeeker, Visitor<BreakSeeker>> {
   Name target; // look for this one XXX looking by name may fall prey to duplicate names
-  size_t found;
+  Index found;
 
   BreakSeeker(Name target) : target(target), found(false) {}
 
@@ -47,6 +47,12 @@ struct BreakSeeker : public PostWalker<BreakSeeker, Visitor<BreakSeeker>> {
     breakSeeker.walk(tree);
     return breakSeeker.found > 0;
   }
+
+  static Index count(Expression* tree, Name target) {
+    BreakSeeker breakSeeker(target);
+    breakSeeker.walk(tree);
+    return breakSeeker.found;
+  }
 };
 
 // Finds all functions that are reachable via direct calls.
@@ -391,6 +397,25 @@ struct ExpressionAnalyzer {
     return func->result != none;
   }
 
+  // Checks if a break is a simple - no condition, no value, just a plain branching
+  static bool isSimple(Break* curr) {
+    return !curr->condition && !curr->value;
+  }
+
+  // Checks if an expression ends with a simple break,
+  // and returns a pointer to it if so.
+  // (It might also have other internal branches.)
+  static Expression* getEndingSimpleBreak(Expression* curr) {
+    if (auto* br = curr->dynCast<Break>()) {
+      if (isSimple(br)) return br;
+      return nullptr;
+    }
+    if (auto* block = curr->dynCast<Block>()) {
+      if (block->list.size() > 0) return getEndingSimpleBreak(block->list.back());
+    }
+    return nullptr;
+  }
+
   template<typename T>
   static bool flexibleEqual(Expression* left, Expression* right, T& comparer) {
     std::vector<Name> nameStack;
diff --git a/src/passes/RemoveUnusedBrs.cpp b/src/passes/RemoveUnusedBrs.cpp
index 59d3af6fc..a7eb09669 100644
--- a/src/passes/RemoveUnusedBrs.cpp
+++ b/src/passes/RemoveUnusedBrs.cpp
@@ -21,6 +21,7 @@
 #include <wasm.h>
 #include <pass.h>
 #include <ast_utils.h>
+#include <wasm-builder.h>
 
 namespace wasm {
 
@@ -44,6 +45,9 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs, Visitor<R
   // a stack for if-else contents, we merge their outputs
   std::vector<Flows> ifStack;
 
+  // list of all loops, so we can optimize them
+  std::vector<Loop*> loops;
+
   static void visitAny(RemoveUnusedBrs* self, Expression** currp) {
     auto* curr = *currp;
     auto& flows = self->flows;
@@ -109,7 +113,7 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs, Visitor<R
       // ignore (could be result of a previous cycle)
       self->valueCanFlow = false;
     } else {
-      // anything else stops the flow TODO: optimize loops?
+      // anything else stops the flow
       flows.clear();
       self->valueCanFlow = false;
     }
@@ -123,6 +127,10 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs, Visitor<R
     self->ifStack.push_back(std::move(self->flows));
   }
 
+  void visitLoop(Loop* curr) {
+    loops.push_back(curr);
+  }
+
   void visitIf(If* curr) {
     if (!curr->ifFalse) {
       // if without an else. try to reduce   if (condition) br  =>  br_if (condition)
@@ -140,6 +148,7 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs, Visitor<R
         anotherCycle = true;
       }
     }
+    // TODO: if-else can be turned into a br_if as well, if one of the sides is a dead end
   }
 
   // override scan to add a pre and a post check task to all nodes
@@ -163,6 +172,99 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs, Visitor<R
     }
   }
 
+  // optimizes a loop. returns true if we made changes
+  bool optimizeLoop(Loop* loop) {
+    // if a loop ends in
+    // (loop $in
+    //   (block $out
+    //     if (..) br $in; else br $out;
+    //   )
+    // )
+    // then our normal opts can remove the break out since it flows directly out
+    // (and later passes make the if one-armed). however, the simple analysis
+    // fails on patterns like
+    //     if (..) br $out;
+    //     br $in;
+    // which is a common way to do a while (1) loop (end it with a jump to the
+    // top), so we handle that here. Specifically we want to conditionalize
+    // breaks to the loop top, i.e., put them behind a condition, so that other
+    // code can flow directly out and thus brs out can be removed. (even if
+    // the change is to let a break somewhere else flow out, that can still be
+    // helpful, as it shortens the logical loop. it is also good to generate
+    // an if-else instead of an if, as it might allow an eqz to be removed
+    // by flipping arms)
+    if (!loop->name.is()) return false;
+    auto* block = loop->body->dynCast<Block>();
+    if (!block) return false;
+    // does the last element break to the top of the loop?
+    auto& list = block->list;
+    if (list.size() <= 1) return false;
+    auto* last = list.back()->dynCast<Break>();
+    if (!last || !ExpressionAnalyzer::isSimple(last) || last->name != loop->name) return false;
+    // last is a simple break to the top of the loop. if we can conditionalize it,
+    // it won't block things from flowing out and not needing breaks to do so.
+    Index i = list.size() - 2;
+    Builder builder(*getModule());
+    while (1) {
+      auto* curr = list[i];
+      if (auto* iff = curr->dynCast<If>()) {
+        // let's try to move the code going to the top of the loop into the if-else
+        if (!iff->ifFalse) {
+          // we need the ifTrue to break, so it cannot reach the code we want to move
+          if (ExpressionAnalyzer::getEndingSimpleBreak(iff->ifTrue)) {
+            iff->ifFalse = builder.stealSlice(block, i + 1, list.size());
+            return true;
+          }
+        } else {
+          // this is already an if-else. if one side is a dead end, we can append to the other, if
+          // there is no returned value to concern us
+          assert(!isConcreteWasmType(iff->type)); // can't be, since in the middle of a block
+          if (ExpressionAnalyzer::getEndingSimpleBreak(iff->ifTrue)) {
+            iff->ifFalse = builder.blockifyMerge(iff->ifFalse, builder.stealSlice(block, i + 1, list.size()));
+            return true;
+          } else if (ExpressionAnalyzer::getEndingSimpleBreak(iff->ifFalse)) {
+            iff->ifTrue = builder.blockifyMerge(iff->ifTrue, builder.stealSlice(block, i + 1, list.size()));
+            return true;
+          }
+        }
+        return false;
+      } else if (auto* brIf = curr->dynCast<Break>()) {
+        // br_if is similar to if.
+        if (brIf->condition && !brIf->value && brIf->name != loop->name) {
+          if (i == list.size() - 2) {
+            // there is the br_if, and then the br to the top, so just flip them and the condition
+            brIf->condition = builder.makeUnary(EqZInt32, brIf->condition);
+            last->name = brIf->name;
+            brIf->name = loop->name;
+            return true;
+          } else {
+            // there are elements in the middle,
+            //   br_if $somewhere (condition)
+            //   (..more..)
+            //   br $in
+            // we can convert the br_if to an if. this has a cost, though,
+            // so only do it if it looks useful, which it definitely is if
+            //  (a) $somewhere is straight out (so the br out vanishes), and
+            //  (b) this br_if is the only branch to that block (so the block will vanish)
+            if (brIf->name == block->name && BreakSeeker::count(block, block->name) == 1) {
+              // note that we could drop the last element here, it is a br we know for sure is removable,
+              // but telling stealSlice to steal all to the end is more efficient, it can just truncate.
+              list[i] = builder.makeIf(brIf->condition, builder.makeBreak(brIf->name), builder.stealSlice(block, i + 1, list.size()));
+              return true;
+            }
+          }
+        }
+        return false;
+      }
+      // if there is control flow, we must stop looking
+      if (EffectAnalyzer(curr).branches) {
+        return false;
+      }
+      if (i == 0) return false;
+      i--;
+    }
+  }
+
   void doWalkFunction(Function* func) {
     // multiple cycles may be needed
     bool worked = false;
@@ -184,6 +286,11 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs, Visitor<R
         }
       }
       flows.clear();
+      // optimize loops (we don't do it while tracking flows, as they can interfere)
+      for (auto* loop : loops) {
+        anotherCycle |= optimizeLoop(loop);
+      }
+      loops.clear();
       if (anotherCycle) worked = true;
     } while (anotherCycle);
     // finally, we may have simplified ifs enough to turn them into selects
diff --git a/src/wasm-builder.h b/src/wasm-builder.h
index 2841585e6..f9b2e73f6 100644
--- a/src/wasm-builder.h
+++ b/src/wasm-builder.h
@@ -283,6 +283,28 @@ public:
     return block;
   }
 
+  // ensures the first node is a block, if it isn't already, and merges in the second,
+  // either as a single element or, if a block, by appending to the first block
+  Block* blockifyMerge(Expression* any, Expression* append) {
+    Block* block = nullptr;
+    if (any) block = any->dynCast<Block>();
+    if (!block) {
+      block = makeBlock(any);
+    } else {
+      assert(!isConcreteWasmType(block->type));
+    }
+    auto* other = append->dynCast<Block>();
+    if (!other) {
+      block->list.push_back(append);
+    } else {
+      for (auto* item : other->list) {
+        block->list.push_back(item);
+      }
+    }
+    block->finalize(); // TODO: move out of if
+    return block;
+  }
+
   // a helper for the common pattern of a sequence of two expressions. Similar to
   // blockify, but does *not* reuse a block if the first is one.
   Block* makeSequence(Expression* left, Expression* right) {
@@ -291,6 +313,32 @@ public:
     block->finalize();
     return block;
   }
+
+  // Grab a slice out of a block, replacing it with nops, and returning
+  // either another block with the contents (if more than 1) or a single expression
+  Expression* stealSlice(Block* input, Index from, Index to) {
+    Expression* ret;
+    if (to == from + 1) {
+      // just one
+      ret = input->list[from];
+    } else {
+      auto* block = allocator.alloc<Block>();
+      for (Index i = from; i < to; i++) {
+        block->list.push_back(input->list[i]);
+      }
+      block->finalize();
+      ret = block;
+    }
+    if (to == input->list.size()) {
+      input->list.resize(from);
+    } else {
+      for (Index i = from; i < to; i++) {
+        input->list[i] = allocator.alloc<Nop>();
+      }
+    }
+    input->finalize();
+    return ret;
+  }
 };
 
 } // namespace wasm
diff --git a/test/emcc_O2_hello_world.fromasm b/test/emcc_O2_hello_world.fromasm
index 18f533f4f..393815634 100644
--- a/test/emcc_O2_hello_world.fromasm
+++ b/test/emcc_O2_hello_world.fromasm
@@ -938,50 +938,47 @@
                           )
                         )
                         (loop $while-in$11
-                          (block $while-out$10
-                            (if
-                              (tee_local $19
-                                (i32.load
-                                  (tee_local $16
-                                    (i32.add
-                                      (get_local $8)
-                                      (i32.const 20)
-                                    )
+                          (if
+                            (tee_local $19
+                              (i32.load
+                                (tee_local $16
+                                  (i32.add
+                                    (get_local $8)
+                                    (i32.const 20)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $8
-                                  (get_local $19)
-                                )
-                                (set_local $10
-                                  (get_local $16)
-                                )
-                                (br $while-in$11)
+                            )
+                            (block
+                              (set_local $8
+                                (get_local $19)
+                              )
+                              (set_local $10
+                                (get_local $16)
                               )
+                              (br $while-in$11)
                             )
-                            (if
-                              (tee_local $19
-                                (i32.load
-                                  (tee_local $16
-                                    (i32.add
-                                      (get_local $8)
-                                      (i32.const 16)
-                                    )
+                          )
+                          (if
+                            (tee_local $19
+                              (i32.load
+                                (tee_local $16
+                                  (i32.add
+                                    (get_local $8)
+                                    (i32.const 16)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $8
-                                  (get_local $19)
-                                )
-                                (set_local $10
-                                  (get_local $16)
-                                )
+                            )
+                            (block
+                              (set_local $8
+                                (get_local $19)
+                              )
+                              (set_local $10
+                                (get_local $16)
                               )
-                              (br $while-out$10)
+                              (br $while-in$11)
                             )
-                            (br $while-in$11)
                           )
                         )
                         (if
@@ -1569,82 +1566,80 @@
                         (i32.const 0)
                       )
                       (loop $while-in$18
-                        (block $while-out$17
-                          (if
-                            (i32.lt_u
-                              (tee_local $5
-                                (i32.sub
-                                  (tee_local $18
-                                    (i32.and
-                                      (i32.load offset=4
-                                        (get_local $19)
-                                      )
-                                      (i32.const -8)
+                        (if
+                          (i32.lt_u
+                            (tee_local $5
+                              (i32.sub
+                                (tee_local $18
+                                  (i32.and
+                                    (i32.load offset=4
+                                      (get_local $19)
                                     )
+                                    (i32.const -8)
                                   )
-                                  (get_local $2)
                                 )
+                                (get_local $2)
                               )
-                              (get_local $9)
                             )
-                            (if
-                              (i32.eq
-                                (get_local $18)
-                                (get_local $2)
+                            (get_local $9)
+                          )
+                          (if
+                            (i32.eq
+                              (get_local $18)
+                              (get_local $2)
+                            )
+                            (block
+                              (set_local $27
+                                (get_local $5)
                               )
-                              (block
-                                (set_local $27
-                                  (get_local $5)
-                                )
-                                (set_local $25
-                                  (get_local $19)
-                                )
-                                (set_local $29
-                                  (get_local $19)
-                                )
-                                (set_local $9
-                                  (i32.const 90)
-                                )
-                                (br $label$break$L123)
+                              (set_local $25
+                                (get_local $19)
                               )
-                              (block
-                                (set_local $9
-                                  (get_local $5)
-                                )
-                                (set_local $4
-                                  (get_local $19)
-                                )
+                              (set_local $29
+                                (get_local $19)
+                              )
+                              (set_local $9
+                                (i32.const 90)
+                              )
+                              (br $label$break$L123)
+                            )
+                            (block
+                              (set_local $9
+                                (get_local $5)
+                              )
+                              (set_local $4
+                                (get_local $19)
                               )
                             )
                           )
-                          (set_local $18
-                            (select
-                              (get_local $8)
-                              (tee_local $5
-                                (i32.load offset=20
-                                  (get_local $19)
-                                )
+                        )
+                        (set_local $18
+                          (select
+                            (get_local $8)
+                            (tee_local $5
+                              (i32.load offset=20
+                                (get_local $19)
                               )
-                              (i32.or
-                                (i32.eqz
-                                  (get_local $5)
-                                )
-                                (i32.eq
-                                  (get_local $5)
-                                  (tee_local $19
-                                    (i32.load
+                            )
+                            (i32.or
+                              (i32.eqz
+                                (get_local $5)
+                              )
+                              (i32.eq
+                                (get_local $5)
+                                (tee_local $19
+                                  (i32.load
+                                    (i32.add
                                       (i32.add
-                                        (i32.add
-                                          (get_local $19)
-                                          (i32.const 16)
-                                        )
-                                        (i32.shl
-                                          (i32.shr_u
-                                            (get_local $1)
-                                            (i32.const 31)
-                                          )
-                                          (i32.const 2)
+                                        (get_local $19)
+                                        (i32.const 16)
+                                      )
+                                      (i32.shl
+                                        (i32.shr_u
+                                          (get_local $1)
+                                          (i32.const 31)
                                         )
+                                        (i32.const 2)
                                       )
                                     )
                                   )
@@ -1652,46 +1647,45 @@
                               )
                             )
                           )
-                          (if
-                            (tee_local $5
-                              (i32.eqz
-                                (get_local $19)
-                              )
+                        )
+                        (if
+                          (tee_local $5
+                            (i32.eqz
+                              (get_local $19)
                             )
-                            (block
-                              (set_local $33
-                                (get_local $9)
-                              )
-                              (set_local $34
-                                (get_local $18)
-                              )
-                              (set_local $30
-                                (get_local $4)
-                              )
-                              (set_local $9
-                                (i32.const 86)
-                              )
-                              (br $while-out$17)
+                          )
+                          (block
+                            (set_local $33
+                              (get_local $9)
                             )
-                            (block
-                              (set_local $8
-                                (get_local $18)
-                              )
-                              (set_local $1
-                                (i32.shl
-                                  (get_local $1)
-                                  (i32.xor
-                                    (i32.and
-                                      (get_local $5)
-                                      (i32.const 1)
-                                    )
+                            (set_local $34
+                              (get_local $18)
+                            )
+                            (set_local $30
+                              (get_local $4)
+                            )
+                            (set_local $9
+                              (i32.const 86)
+                            )
+                          )
+                          (block
+                            (set_local $8
+                              (get_local $18)
+                            )
+                            (set_local $1
+                              (i32.shl
+                                (get_local $1)
+                                (i32.xor
+                                  (i32.and
+                                    (get_local $5)
                                     (i32.const 1)
                                   )
+                                  (i32.const 1)
                                 )
                               )
                             )
+                            (br $while-in$18)
                           )
-                          (br $while-in$18)
                         )
                       )
                     )
@@ -1885,84 +1879,81 @@
                     (i32.const 90)
                   )
                   (loop $while-in$20
-                    (block $while-out$19
-                      (set_local $9
-                        (i32.const 0)
-                      )
-                      (set_local $1
-                        (i32.lt_u
-                          (tee_local $4
-                            (i32.sub
-                              (i32.and
-                                (i32.load offset=4
-                                  (get_local $25)
-                                )
-                                (i32.const -8)
+                    (set_local $9
+                      (i32.const 0)
+                    )
+                    (set_local $1
+                      (i32.lt_u
+                        (tee_local $4
+                          (i32.sub
+                            (i32.and
+                              (i32.load offset=4
+                                (get_local $25)
                               )
-                              (get_local $2)
+                              (i32.const -8)
                             )
+                            (get_local $2)
                           )
-                          (get_local $27)
                         )
+                        (get_local $27)
                       )
-                      (set_local $5
-                        (select
-                          (get_local $4)
-                          (get_local $27)
+                    )
+                    (set_local $5
+                      (select
+                        (get_local $4)
+                        (get_local $27)
+                        (get_local $1)
+                      )
+                    )
+                    (set_local $4
+                      (select
+                        (get_local $25)
+                        (get_local $29)
+                        (get_local $1)
+                      )
+                    )
+                    (if
+                      (tee_local $1
+                        (i32.load offset=16
+                          (get_local $25)
+                        )
+                      )
+                      (block
+                        (set_local $27
+                          (get_local $5)
+                        )
+                        (set_local $25
                           (get_local $1)
                         )
+                        (set_local $29
+                          (get_local $4)
+                        )
+                        (br $while-in$20)
                       )
-                      (set_local $4
-                        (select
+                    )
+                    (if
+                      (tee_local $25
+                        (i32.load offset=20
                           (get_local $25)
-                          (get_local $29)
-                          (get_local $1)
                         )
                       )
-                      (if
-                        (tee_local $1
-                          (i32.load offset=16
-                            (get_local $25)
-                          )
+                      (block
+                        (set_local $27
+                          (get_local $5)
                         )
-                        (block
-                          (set_local $27
-                            (get_local $5)
-                          )
-                          (set_local $25
-                            (get_local $1)
-                          )
-                          (set_local $29
-                            (get_local $4)
-                          )
-                          (br $while-in$20)
+                        (set_local $29
+                          (get_local $4)
                         )
+                        (br $while-in$20)
                       )
-                      (if
-                        (tee_local $25
-                          (i32.load offset=20
-                            (get_local $25)
-                          )
-                        )
-                        (block
-                          (set_local $27
-                            (get_local $5)
-                          )
-                          (set_local $29
-                            (get_local $4)
-                          )
+                      (block
+                        (set_local $6
+                          (get_local $5)
                         )
-                        (block
-                          (set_local $6
-                            (get_local $5)
-                          )
-                          (set_local $12
-                            (get_local $4)
-                          )
-                          (br $while-out$19)
+                        (set_local $12
+                          (get_local $4)
                         )
                       )
-                      (br $while-in$20)
                     )
                   )
                 )
@@ -2064,50 +2055,47 @@
                             )
                           )
                           (loop $while-in$24
-                            (block $while-out$23
-                              (if
-                                (tee_local $16
-                                  (i32.load
-                                    (tee_local $0
-                                      (i32.add
-                                        (get_local $8)
-                                        (i32.const 20)
-                                      )
+                            (if
+                              (tee_local $16
+                                (i32.load
+                                  (tee_local $0
+                                    (i32.add
+                                      (get_local $8)
+                                      (i32.const 20)
                                     )
                                   )
                                 )
-                                (block
-                                  (set_local $8
-                                    (get_local $16)
-                                  )
-                                  (set_local $7
-                                    (get_local $0)
-                                  )
-                                  (br $while-in$24)
+                              )
+                              (block
+                                (set_local $8
+                                  (get_local $16)
+                                )
+                                (set_local $7
+                                  (get_local $0)
                                 )
+                                (br $while-in$24)
                               )
-                              (if
-                                (tee_local $16
-                                  (i32.load
-                                    (tee_local $0
-                                      (i32.add
-                                        (get_local $8)
-                                        (i32.const 16)
-                                      )
+                            )
+                            (if
+                              (tee_local $16
+                                (i32.load
+                                  (tee_local $0
+                                    (i32.add
+                                      (get_local $8)
+                                      (i32.const 16)
                                     )
                                   )
                                 )
-                                (block
-                                  (set_local $8
-                                    (get_local $16)
-                                  )
-                                  (set_local $7
-                                    (get_local $0)
-                                  )
+                              )
+                              (block
+                                (set_local $8
+                                  (get_local $16)
+                                )
+                                (set_local $7
+                                  (get_local $0)
                                 )
-                                (br $while-out$23)
+                                (br $while-in$24)
                               )
-                              (br $while-in$24)
                             )
                           )
                           (if
@@ -2712,6 +2700,7 @@
                                   (set_local $1
                                     (get_local $0)
                                   )
+                                  (br $while-in$32)
                                 )
                                 (block
                                   (set_local $23
@@ -2723,10 +2712,8 @@
                                   (set_local $9
                                     (i32.const 145)
                                   )
-                                  (br $while-out$31)
                                 )
                               )
-                              (br $while-in$32)
                             )
                           )
                           (if
@@ -3235,13 +3222,12 @@
                                   )
                                 )
                                 (if
-                                  (i32.eqz
-                                    (tee_local $14
-                                      (i32.load offset=8
-                                        (get_local $14)
-                                      )
+                                  (tee_local $14
+                                    (i32.load offset=8
+                                      (get_local $14)
                                     )
                                   )
+                                  (br $while-in$38)
                                   (block
                                     (set_local $9
                                       (i32.const 173)
@@ -3249,7 +3235,6 @@
                                     (br $label$break$L259)
                                   )
                                 )
-                                (br $while-in$38)
                               )
                             )
                             (if
@@ -3876,21 +3861,16 @@
                     )
                   )
                   (if
-                    (i32.eqz
-                      (tee_local $3
-                        (i32.load offset=8
-                          (get_local $3)
-                        )
+                    (tee_local $3
+                      (i32.load offset=8
+                        (get_local $3)
                       )
                     )
-                    (block
-                      (set_local $28
-                        (i32.const 624)
-                      )
-                      (br $while-out$48)
+                    (br $while-in$49)
+                    (set_local $28
+                      (i32.const 624)
                     )
                   )
-                  (br $while-in$49)
                 )
               )
               (if
@@ -4136,50 +4116,47 @@
                                                   )
                                                 )
                                                 (loop $while-in$56
-                                                  (block $while-out$55
-                                                    (if
-                                                      (tee_local $8
-                                                        (i32.load
-                                                          (tee_local $2
-                                                            (i32.add
-                                                              (get_local $14)
-                                                              (i32.const 20)
-                                                            )
+                                                  (if
+                                                    (tee_local $8
+                                                      (i32.load
+                                                        (tee_local $2
+                                                          (i32.add
+                                                            (get_local $14)
+                                                            (i32.const 20)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $14
-                                                          (get_local $8)
-                                                        )
-                                                        (set_local $11
-                                                          (get_local $2)
-                                                        )
-                                                        (br $while-in$56)
+                                                    )
+                                                    (block
+                                                      (set_local $14
+                                                        (get_local $8)
                                                       )
+                                                      (set_local $11
+                                                        (get_local $2)
+                                                      )
+                                                      (br $while-in$56)
                                                     )
-                                                    (if
-                                                      (tee_local $8
-                                                        (i32.load
-                                                          (tee_local $2
-                                                            (i32.add
-                                                              (get_local $14)
-                                                              (i32.const 16)
-                                                            )
+                                                  )
+                                                  (if
+                                                    (tee_local $8
+                                                      (i32.load
+                                                        (tee_local $2
+                                                          (i32.add
+                                                            (get_local $14)
+                                                            (i32.const 16)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $14
-                                                          (get_local $8)
-                                                        )
-                                                        (set_local $11
-                                                          (get_local $2)
-                                                        )
+                                                    )
+                                                    (block
+                                                      (set_local $14
+                                                        (get_local $8)
                                                       )
-                                                      (br $while-out$55)
+                                                      (set_local $11
+                                                        (get_local $2)
+                                                      )
+                                                      (br $while-in$56)
                                                     )
-                                                    (br $while-in$56)
                                                   )
                                                 )
                                                 (if
@@ -4931,6 +4908,7 @@
                                   (set_local $1
                                     (get_local $7)
                                   )
+                                  (br $while-in$70)
                                 )
                                 (block
                                   (set_local $44
@@ -4942,10 +4920,8 @@
                                   (set_local $9
                                     (i32.const 278)
                                   )
-                                  (br $while-out$69)
                                 )
                               )
-                              (br $while-in$70)
                             )
                           )
                           (if
@@ -5072,43 +5048,40 @@
                 )
               )
               (loop $while-in$72
-                (block $while-out$71
+                (if
                   (if
-                    (if
-                      (i32.le_u
-                        (tee_local $3
-                          (i32.load
-                            (get_local $28)
-                          )
+                    (i32.le_u
+                      (tee_local $3
+                        (i32.load
+                          (get_local $28)
                         )
-                        (get_local $13)
                       )
-                      (i32.gt_u
-                        (tee_local $15
-                          (i32.add
-                            (get_local $3)
-                            (i32.load offset=4
-                              (get_local $28)
-                            )
+                      (get_local $13)
+                    )
+                    (i32.gt_u
+                      (tee_local $15
+                        (i32.add
+                          (get_local $3)
+                          (i32.load offset=4
+                            (get_local $28)
                           )
                         )
-                        (get_local $13)
-                      )
-                      (i32.const 0)
-                    )
-                    (block
-                      (set_local $5
-                        (get_local $15)
                       )
-                      (br $while-out$71)
+                      (get_local $13)
                     )
+                    (i32.const 0)
                   )
-                  (set_local $28
-                    (i32.load offset=8
-                      (get_local $28)
+                  (set_local $5
+                    (get_local $15)
+                  )
+                  (block
+                    (set_local $28
+                      (i32.load offset=8
+                        (get_local $28)
+                      )
                     )
+                    (br $while-in$72)
                   )
-                  (br $while-in$72)
                 )
               )
               (set_local $15
@@ -5665,6 +5638,7 @@
                           (set_local $1
                             (get_local $7)
                           )
+                          (br $while-in$76)
                         )
                         (block
                           (set_local $46
@@ -5676,10 +5650,8 @@
                           (set_local $9
                             (i32.const 304)
                           )
-                          (br $while-out$75)
                         )
                       )
-                      (br $while-in$76)
                     )
                   )
                   (if
@@ -6355,58 +6327,55 @@
                   )
                 )
                 (loop $while-in$5
-                  (block $while-out$4
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $5
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 20)
-                            )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $5
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 20)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $6
-                          (get_local $5)
-                        )
-                        (br $while-in$5)
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
+                      )
+                      (set_local $6
+                        (get_local $5)
                       )
+                      (br $while-in$5)
                     )
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $5
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 16)
-                            )
+                  )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $5
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 16)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $6
-                          (get_local $5)
-                        )
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
                       )
-                      (block
-                        (set_local $5
-                          (get_local $1)
-                        )
-                        (set_local $10
-                          (get_local $6)
-                        )
-                        (br $while-out$4)
+                      (set_local $6
+                        (get_local $5)
+                      )
+                      (br $while-in$5)
+                    )
+                    (block
+                      (set_local $5
+                        (get_local $1)
+                      )
+                      (set_local $10
+                        (get_local $6)
                       )
                     )
-                    (br $while-in$5)
                   )
                 )
                 (if
@@ -6909,50 +6878,47 @@
                       )
                     )
                     (loop $while-in$13
-                      (block $while-out$12
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 20)
-                                )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 20)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $6
-                              (get_local $1)
-                            )
-                            (br $while-in$13)
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $6
+                            (get_local $1)
                           )
+                          (br $while-in$13)
                         )
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 16)
-                                )
+                      )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 16)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $6
-                              (get_local $1)
-                            )
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $6
+                            (get_local $1)
                           )
-                          (br $while-out$12)
+                          (br $while-in$13)
                         )
-                        (br $while-in$13)
                       )
                     )
                     (if
@@ -7660,6 +7626,7 @@
                 (set_local $1
                   (get_local $7)
                 )
+                (br $while-in$19)
               )
               (block
                 (set_local $18
@@ -7671,10 +7638,8 @@
                 (set_local $0
                   (i32.const 127)
                 )
-                (br $while-out$18)
               )
             )
-            (br $while-in$19)
           )
         )
         (if
@@ -7810,22 +7775,21 @@
       )
     )
     (loop $while-in$21
-      (block $while-out$20
-        (if
-          (tee_local $2
-            (i32.load
-              (get_local $0)
-            )
+      (if
+        (tee_local $2
+          (i32.load
+            (get_local $0)
           )
+        )
+        (block
           (set_local $0
             (i32.add
               (get_local $2)
               (i32.const 8)
             )
           )
-          (br $while-out$20)
+          (br $while-in$21)
         )
-        (br $while-in$21)
       )
     )
     (i32.store
@@ -8023,121 +7987,122 @@
             (set_local $1
               (i32.const 8)
             )
-            (br $while-out$0)
-          )
-        )
-        (set_local $10
-          (i32.sub
-            (get_local $5)
-            (get_local $6)
           )
-        )
-        (set_local $3
-          (if
-            (i32.le_u
-              (get_local $6)
-              (tee_local $5
-                (i32.load offset=4
-                  (get_local $4)
-                )
+          (block
+            (set_local $10
+              (i32.sub
+                (get_local $5)
+                (get_local $6)
               )
             )
-            (if
-              (i32.eq
-                (get_local $3)
-                (i32.const 2)
-              )
-              (block
-                (i32.store
-                  (get_local $9)
-                  (i32.add
-                    (i32.load
-                      (get_local $9)
+            (set_local $3
+              (if
+                (i32.le_u
+                  (get_local $6)
+                  (tee_local $5
+                    (i32.load offset=4
+                      (get_local $4)
                     )
-                    (get_local $6)
                   )
                 )
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (i32.const 2)
-                )
-                (get_local $5)
-              )
-              (block
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (get_local $3)
-                )
-                (get_local $5)
-              )
-            )
-            (block
-              (i32.store
-                (get_local $9)
-                (tee_local $7
-                  (i32.load
-                    (get_local $8)
+                (if
+                  (i32.eq
+                    (get_local $3)
+                    (i32.const 2)
+                  )
+                  (block
+                    (i32.store
+                      (get_local $9)
+                      (i32.add
+                        (i32.load
+                          (get_local $9)
+                        )
+                        (get_local $6)
+                      )
+                    )
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (i32.const 2)
+                    )
+                    (get_local $5)
+                  )
+                  (block
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (get_local $3)
+                    )
+                    (get_local $5)
                   )
                 )
-              )
-              (i32.store
-                (get_local $14)
-                (get_local $7)
-              )
-              (set_local $6
-                (i32.sub
-                  (get_local $6)
-                  (get_local $5)
-                )
-              )
-              (set_local $7
-                (i32.add
-                  (get_local $4)
-                  (i32.const 8)
+                (block
+                  (i32.store
+                    (get_local $9)
+                    (tee_local $7
+                      (i32.load
+                        (get_local $8)
+                      )
+                    )
+                  )
+                  (i32.store
+                    (get_local $14)
+                    (get_local $7)
+                  )
+                  (set_local $6
+                    (i32.sub
+                      (get_local $6)
+                      (get_local $5)
+                    )
+                  )
+                  (set_local $7
+                    (i32.add
+                      (get_local $4)
+                      (i32.const 8)
+                    )
+                  )
+                  (set_local $15
+                    (i32.add
+                      (get_local $3)
+                      (i32.const -1)
+                    )
+                  )
+                  (i32.load offset=12
+                    (get_local $4)
+                  )
                 )
               )
-              (set_local $15
-                (i32.add
-                  (get_local $3)
-                  (i32.const -1)
+            )
+            (i32.store
+              (get_local $7)
+              (i32.add
+                (i32.load
+                  (get_local $7)
                 )
+                (get_local $6)
               )
-              (i32.load offset=12
-                (get_local $4)
+            )
+            (i32.store offset=4
+              (get_local $7)
+              (i32.sub
+                (get_local $3)
+                (get_local $6)
               )
             )
-          )
-        )
-        (i32.store
-          (get_local $7)
-          (i32.add
-            (i32.load
+            (set_local $4
               (get_local $7)
             )
-            (get_local $6)
-          )
-        )
-        (i32.store offset=4
-          (get_local $7)
-          (i32.sub
-            (get_local $3)
-            (get_local $6)
+            (set_local $3
+              (get_local $15)
+            )
+            (set_local $5
+              (get_local $10)
+            )
+            (br $while-in$1)
           )
         )
-        (set_local $4
-          (get_local $7)
-        )
-        (set_local $3
-          (get_local $15)
-        )
-        (set_local $5
-          (get_local $10)
-        )
-        (br $while-in$1)
       )
     )
     (if
@@ -8328,49 +8293,46 @@
                     (get_local $1)
                   )
                   (loop $while-in$3
-                    (block $while-out$2
-                      (if
-                        (i32.eqz
-                          (get_local $3)
+                    (if
+                      (i32.eqz
+                        (get_local $3)
+                      )
+                      (block
+                        (set_local $2
+                          (get_local $0)
                         )
-                        (block
-                          (set_local $2
-                            (get_local $0)
-                          )
-                          (set_local $3
-                            (i32.const 0)
-                          )
-                          (br $label$break$L10
-                            (get_local $1)
-                          )
+                        (set_local $3
+                          (i32.const 0)
+                        )
+                        (br $label$break$L10
+                          (get_local $1)
                         )
                       )
-                      (if
-                        (i32.eq
-                          (i32.load8_s
-                            (i32.add
-                              (get_local $0)
-                              (tee_local $7
-                                (i32.add
-                                  (get_local $3)
-                                  (i32.const -1)
-                                )
+                    )
+                    (if
+                      (i32.eq
+                        (i32.load8_s
+                          (i32.add
+                            (get_local $0)
+                            (tee_local $7
+                              (i32.add
+                                (get_local $3)
+                                (i32.const -1)
                               )
                             )
                           )
-                          (i32.const 10)
-                        )
-                        (block
-                          (set_local $4
-                            (get_local $3)
-                          )
-                          (br $while-out$2)
                         )
+                        (i32.const 10)
+                      )
+                      (set_local $4
+                        (get_local $3)
+                      )
+                      (block
                         (set_local $3
                           (get_local $7)
                         )
+                        (br $while-in$3)
                       )
-                      (br $while-in$3)
                     )
                   )
                   (br_if $label$break$L5
@@ -8524,62 +8486,55 @@
                 (get_local $0)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $0
-                    (if
-                      (i32.gt_s
-                        (i32.load offset=76
-                          (get_local $1)
-                        )
-                        (i32.const -1)
-                      )
-                      (call $___lockfile
+                (set_local $0
+                  (if
+                    (i32.gt_s
+                      (i32.load offset=76
                         (get_local $1)
                       )
-                      (i32.const 0)
-                    )
-                  )
-                  (set_local $2
-                    (if
-                      (i32.gt_u
-                        (i32.load offset=20
-                          (get_local $1)
-                        )
-                        (i32.load offset=28
-                          (get_local $1)
-                        )
-                      )
-                      (i32.or
-                        (call $___fflush_unlocked
-                          (get_local $1)
-                        )
-                        (get_local $2)
-                      )
-                      (get_local $2)
+                      (i32.const -1)
                     )
-                  )
-                  (if
-                    (get_local $0)
-                    (call $___unlockfile
+                    (call $___lockfile
                       (get_local $1)
                     )
+                    (i32.const 0)
                   )
+                )
+                (set_local $2
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=56
-                          (get_local $1)
-                        )
+                    (i32.gt_u
+                      (i32.load offset=20
+                        (get_local $1)
+                      )
+                      (i32.load offset=28
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $0
-                        (get_local $2)
+                    (i32.or
+                      (call $___fflush_unlocked
+                        (get_local $1)
                       )
-                      (br $while-out$2)
+                      (get_local $2)
+                    )
+                    (get_local $2)
+                  )
+                )
+                (if
+                  (get_local $0)
+                  (call $___unlockfile
+                    (get_local $1)
+                  )
+                )
+                (if
+                  (tee_local $1
+                    (i32.load offset=56
+                      (get_local $1)
                     )
                   )
                   (br $while-in$3)
+                  (set_local $0
+                    (get_local $2)
+                  )
                 )
               )
             )
@@ -8611,45 +8566,40 @@
             (get_local $3)
           )
           (loop $while-in$2
-            (block $while-out$1
-              (if
-                (i32.eqz
-                  (i32.load8_s
-                    (get_local $0)
-                  )
+            (if
+              (i32.eqz
+                (i32.load8_s
+                  (get_local $0)
                 )
-                (block
-                  (set_local $5
-                    (get_local $4)
-                  )
-                  (br $label$break$L1)
+              )
+              (block
+                (set_local $5
+                  (get_local $4)
                 )
+                (br $label$break$L1)
               )
-              (if
-                (i32.eqz
-                  (i32.and
-                    (tee_local $4
-                      (tee_local $0
-                        (i32.add
-                          (get_local $0)
-                          (i32.const 1)
-                        )
-                      )
+            )
+            (if
+              (i32.and
+                (tee_local $4
+                  (tee_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
                     )
-                    (i32.const 3)
-                  )
-                )
-                (block
-                  (set_local $2
-                    (get_local $0)
-                  )
-                  (set_local $1
-                    (i32.const 4)
                   )
-                  (br $while-out$1)
                 )
+                (i32.const 3)
               )
               (br $while-in$2)
+              (block
+                (set_local $2
+                  (get_local $0)
+                )
+                (set_local $1
+                  (i32.const 4)
+                )
+              )
             )
           )
         )
@@ -8673,8 +8623,8 @@
           (get_local $2)
         )
         (loop $while-in$4
-          (block $while-out$3
-            (if
+          (if
+            (i32.eqz
               (i32.and
                 (i32.xor
                   (i32.and
@@ -8692,15 +8642,16 @@
                   (i32.const -16843009)
                 )
               )
-              (br $while-out$3)
+            )
+            (block
               (set_local $1
                 (i32.add
                   (get_local $1)
                   (i32.const 4)
                 )
               )
+              (br $while-in$4)
             )
-            (br $while-in$4)
           )
         )
         (if
@@ -8719,22 +8670,21 @@
               (get_local $1)
             )
             (loop $while-in$6
-              (block $while-out$5
-                (if
-                  (i32.load8_s
-                    (tee_local $1
-                      (i32.add
-                        (get_local $2)
-                        (i32.const 1)
-                      )
+              (if
+                (i32.load8_s
+                  (tee_local $1
+                    (i32.add
+                      (get_local $2)
+                      (i32.const 1)
                     )
                   )
+                )
+                (block
                   (set_local $2
                     (get_local $1)
                   )
-                  (br $while-out$5)
+                  (br $while-in$6)
                 )
-                (br $while-in$6)
               )
             )
           )
@@ -9100,75 +9050,75 @@
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.lt_s
-                (get_local $2)
-                (i32.const 4)
-              )
-            )
-            (i32.store
-              (get_local $0)
-              (i32.load
-                (get_local $1)
-              )
+          (if
+            (i32.ge_s
+              (get_local $2)
+              (i32.const 4)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (i32.load
+                  (get_local $1)
+                )
               )
-            )
-            (set_local $1
-              (i32.add
-                (get_local $1)
-                (i32.const 4)
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
-            )
-            (set_local $2
-              (i32.sub
-                (get_local $2)
-                (i32.const 4)
+              (set_local $1
+                (i32.add
+                  (get_local $1)
+                  (i32.const 4)
+                )
+              )
+              (set_local $2
+                (i32.sub
+                  (get_local $2)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.le_s
-            (get_local $2)
-            (i32.const 0)
-          )
-        )
-        (i32.store8
-          (get_local $0)
-          (i32.load8_s
-            (get_local $1)
-          )
+      (if
+        (i32.gt_s
+          (get_local $2)
+          (i32.const 0)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (i32.load8_s
+              (get_local $1)
+            )
           )
-        )
-        (set_local $1
-          (i32.add
-            (get_local $1)
-            (i32.const 1)
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
-        )
-        (set_local $2
-          (i32.sub
-            (get_local $2)
-            (i32.const 1)
+          (set_local $1
+            (i32.add
+              (get_local $1)
+              (i32.const 1)
+            )
           )
+          (set_local $2
+            (i32.sub
+              (get_local $2)
+              (i32.const 1)
+            )
+          )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (get_local $3)
@@ -9243,70 +9193,70 @@
               )
             )
             (loop $while-in$1
-              (block $while-out$0
-                (br_if $while-out$0
-                  (i32.ge_s
-                    (get_local $0)
-                    (get_local $3)
-                  )
-                )
-                (i32.store8
+              (if
+                (i32.lt_s
                   (get_local $0)
-                  (get_local $1)
+                  (get_local $3)
                 )
-                (set_local $0
-                  (i32.add
+                (block
+                  (i32.store8
                     (get_local $0)
-                    (i32.const 1)
+                    (get_local $1)
+                  )
+                  (set_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
+                    )
                   )
+                  (br $while-in$1)
                 )
-                (br $while-in$1)
               )
             )
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.ge_s
-                (get_local $0)
-                (get_local $6)
-              )
-            )
-            (i32.store
+          (if
+            (i32.lt_s
               (get_local $0)
-              (get_local $5)
+              (get_local $6)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (get_local $5)
+              )
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.ge_s
-            (get_local $0)
-            (get_local $4)
-          )
-        )
-        (i32.store8
+      (if
+        (i32.lt_s
           (get_local $0)
-          (get_local $1)
+          (get_local $4)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (get_local $1)
+          )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (i32.sub
diff --git a/test/emcc_O2_hello_world.fromasm.imprecise b/test/emcc_O2_hello_world.fromasm.imprecise
index d4e40feb4..dc9d36780 100644
--- a/test/emcc_O2_hello_world.fromasm.imprecise
+++ b/test/emcc_O2_hello_world.fromasm.imprecise
@@ -936,50 +936,47 @@
                           )
                         )
                         (loop $while-in$11
-                          (block $while-out$10
-                            (if
-                              (tee_local $19
-                                (i32.load
-                                  (tee_local $16
-                                    (i32.add
-                                      (get_local $8)
-                                      (i32.const 20)
-                                    )
+                          (if
+                            (tee_local $19
+                              (i32.load
+                                (tee_local $16
+                                  (i32.add
+                                    (get_local $8)
+                                    (i32.const 20)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $8
-                                  (get_local $19)
-                                )
-                                (set_local $10
-                                  (get_local $16)
-                                )
-                                (br $while-in$11)
+                            )
+                            (block
+                              (set_local $8
+                                (get_local $19)
+                              )
+                              (set_local $10
+                                (get_local $16)
                               )
+                              (br $while-in$11)
                             )
-                            (if
-                              (tee_local $19
-                                (i32.load
-                                  (tee_local $16
-                                    (i32.add
-                                      (get_local $8)
-                                      (i32.const 16)
-                                    )
+                          )
+                          (if
+                            (tee_local $19
+                              (i32.load
+                                (tee_local $16
+                                  (i32.add
+                                    (get_local $8)
+                                    (i32.const 16)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $8
-                                  (get_local $19)
-                                )
-                                (set_local $10
-                                  (get_local $16)
-                                )
+                            )
+                            (block
+                              (set_local $8
+                                (get_local $19)
+                              )
+                              (set_local $10
+                                (get_local $16)
                               )
-                              (br $while-out$10)
+                              (br $while-in$11)
                             )
-                            (br $while-in$11)
                           )
                         )
                         (if
@@ -1567,82 +1564,80 @@
                         (i32.const 0)
                       )
                       (loop $while-in$18
-                        (block $while-out$17
-                          (if
-                            (i32.lt_u
-                              (tee_local $5
-                                (i32.sub
-                                  (tee_local $18
-                                    (i32.and
-                                      (i32.load offset=4
-                                        (get_local $19)
-                                      )
-                                      (i32.const -8)
+                        (if
+                          (i32.lt_u
+                            (tee_local $5
+                              (i32.sub
+                                (tee_local $18
+                                  (i32.and
+                                    (i32.load offset=4
+                                      (get_local $19)
                                     )
+                                    (i32.const -8)
                                   )
-                                  (get_local $2)
                                 )
+                                (get_local $2)
                               )
-                              (get_local $9)
                             )
-                            (if
-                              (i32.eq
-                                (get_local $18)
-                                (get_local $2)
+                            (get_local $9)
+                          )
+                          (if
+                            (i32.eq
+                              (get_local $18)
+                              (get_local $2)
+                            )
+                            (block
+                              (set_local $27
+                                (get_local $5)
                               )
-                              (block
-                                (set_local $27
-                                  (get_local $5)
-                                )
-                                (set_local $25
-                                  (get_local $19)
-                                )
-                                (set_local $29
-                                  (get_local $19)
-                                )
-                                (set_local $9
-                                  (i32.const 90)
-                                )
-                                (br $label$break$L123)
+                              (set_local $25
+                                (get_local $19)
                               )
-                              (block
-                                (set_local $9
-                                  (get_local $5)
-                                )
-                                (set_local $4
-                                  (get_local $19)
-                                )
+                              (set_local $29
+                                (get_local $19)
+                              )
+                              (set_local $9
+                                (i32.const 90)
+                              )
+                              (br $label$break$L123)
+                            )
+                            (block
+                              (set_local $9
+                                (get_local $5)
+                              )
+                              (set_local $4
+                                (get_local $19)
                               )
                             )
                           )
-                          (set_local $18
-                            (select
-                              (get_local $8)
-                              (tee_local $5
-                                (i32.load offset=20
-                                  (get_local $19)
-                                )
+                        )
+                        (set_local $18
+                          (select
+                            (get_local $8)
+                            (tee_local $5
+                              (i32.load offset=20
+                                (get_local $19)
                               )
-                              (i32.or
-                                (i32.eqz
-                                  (get_local $5)
-                                )
-                                (i32.eq
-                                  (get_local $5)
-                                  (tee_local $19
-                                    (i32.load
+                            )
+                            (i32.or
+                              (i32.eqz
+                                (get_local $5)
+                              )
+                              (i32.eq
+                                (get_local $5)
+                                (tee_local $19
+                                  (i32.load
+                                    (i32.add
                                       (i32.add
-                                        (i32.add
-                                          (get_local $19)
-                                          (i32.const 16)
-                                        )
-                                        (i32.shl
-                                          (i32.shr_u
-                                            (get_local $1)
-                                            (i32.const 31)
-                                          )
-                                          (i32.const 2)
+                                        (get_local $19)
+                                        (i32.const 16)
+                                      )
+                                      (i32.shl
+                                        (i32.shr_u
+                                          (get_local $1)
+                                          (i32.const 31)
                                         )
+                                        (i32.const 2)
                                       )
                                     )
                                   )
@@ -1650,46 +1645,45 @@
                               )
                             )
                           )
-                          (if
-                            (tee_local $5
-                              (i32.eqz
-                                (get_local $19)
-                              )
+                        )
+                        (if
+                          (tee_local $5
+                            (i32.eqz
+                              (get_local $19)
                             )
-                            (block
-                              (set_local $33
-                                (get_local $9)
-                              )
-                              (set_local $34
-                                (get_local $18)
-                              )
-                              (set_local $30
-                                (get_local $4)
-                              )
-                              (set_local $9
-                                (i32.const 86)
-                              )
-                              (br $while-out$17)
+                          )
+                          (block
+                            (set_local $33
+                              (get_local $9)
                             )
-                            (block
-                              (set_local $8
-                                (get_local $18)
-                              )
-                              (set_local $1
-                                (i32.shl
-                                  (get_local $1)
-                                  (i32.xor
-                                    (i32.and
-                                      (get_local $5)
-                                      (i32.const 1)
-                                    )
+                            (set_local $34
+                              (get_local $18)
+                            )
+                            (set_local $30
+                              (get_local $4)
+                            )
+                            (set_local $9
+                              (i32.const 86)
+                            )
+                          )
+                          (block
+                            (set_local $8
+                              (get_local $18)
+                            )
+                            (set_local $1
+                              (i32.shl
+                                (get_local $1)
+                                (i32.xor
+                                  (i32.and
+                                    (get_local $5)
                                     (i32.const 1)
                                   )
+                                  (i32.const 1)
                                 )
                               )
                             )
+                            (br $while-in$18)
                           )
-                          (br $while-in$18)
                         )
                       )
                     )
@@ -1883,84 +1877,81 @@
                     (i32.const 90)
                   )
                   (loop $while-in$20
-                    (block $while-out$19
-                      (set_local $9
-                        (i32.const 0)
-                      )
-                      (set_local $1
-                        (i32.lt_u
-                          (tee_local $4
-                            (i32.sub
-                              (i32.and
-                                (i32.load offset=4
-                                  (get_local $25)
-                                )
-                                (i32.const -8)
+                    (set_local $9
+                      (i32.const 0)
+                    )
+                    (set_local $1
+                      (i32.lt_u
+                        (tee_local $4
+                          (i32.sub
+                            (i32.and
+                              (i32.load offset=4
+                                (get_local $25)
                               )
-                              (get_local $2)
+                              (i32.const -8)
                             )
+                            (get_local $2)
                           )
-                          (get_local $27)
                         )
+                        (get_local $27)
                       )
-                      (set_local $5
-                        (select
-                          (get_local $4)
-                          (get_local $27)
+                    )
+                    (set_local $5
+                      (select
+                        (get_local $4)
+                        (get_local $27)
+                        (get_local $1)
+                      )
+                    )
+                    (set_local $4
+                      (select
+                        (get_local $25)
+                        (get_local $29)
+                        (get_local $1)
+                      )
+                    )
+                    (if
+                      (tee_local $1
+                        (i32.load offset=16
+                          (get_local $25)
+                        )
+                      )
+                      (block
+                        (set_local $27
+                          (get_local $5)
+                        )
+                        (set_local $25
                           (get_local $1)
                         )
+                        (set_local $29
+                          (get_local $4)
+                        )
+                        (br $while-in$20)
                       )
-                      (set_local $4
-                        (select
+                    )
+                    (if
+                      (tee_local $25
+                        (i32.load offset=20
                           (get_local $25)
-                          (get_local $29)
-                          (get_local $1)
                         )
                       )
-                      (if
-                        (tee_local $1
-                          (i32.load offset=16
-                            (get_local $25)
-                          )
+                      (block
+                        (set_local $27
+                          (get_local $5)
                         )
-                        (block
-                          (set_local $27
-                            (get_local $5)
-                          )
-                          (set_local $25
-                            (get_local $1)
-                          )
-                          (set_local $29
-                            (get_local $4)
-                          )
-                          (br $while-in$20)
+                        (set_local $29
+                          (get_local $4)
                         )
+                        (br $while-in$20)
                       )
-                      (if
-                        (tee_local $25
-                          (i32.load offset=20
-                            (get_local $25)
-                          )
-                        )
-                        (block
-                          (set_local $27
-                            (get_local $5)
-                          )
-                          (set_local $29
-                            (get_local $4)
-                          )
+                      (block
+                        (set_local $6
+                          (get_local $5)
                         )
-                        (block
-                          (set_local $6
-                            (get_local $5)
-                          )
-                          (set_local $12
-                            (get_local $4)
-                          )
-                          (br $while-out$19)
+                        (set_local $12
+                          (get_local $4)
                         )
                       )
-                      (br $while-in$20)
                     )
                   )
                 )
@@ -2062,50 +2053,47 @@
                             )
                           )
                           (loop $while-in$24
-                            (block $while-out$23
-                              (if
-                                (tee_local $16
-                                  (i32.load
-                                    (tee_local $0
-                                      (i32.add
-                                        (get_local $8)
-                                        (i32.const 20)
-                                      )
+                            (if
+                              (tee_local $16
+                                (i32.load
+                                  (tee_local $0
+                                    (i32.add
+                                      (get_local $8)
+                                      (i32.const 20)
                                     )
                                   )
                                 )
-                                (block
-                                  (set_local $8
-                                    (get_local $16)
-                                  )
-                                  (set_local $7
-                                    (get_local $0)
-                                  )
-                                  (br $while-in$24)
+                              )
+                              (block
+                                (set_local $8
+                                  (get_local $16)
+                                )
+                                (set_local $7
+                                  (get_local $0)
                                 )
+                                (br $while-in$24)
                               )
-                              (if
-                                (tee_local $16
-                                  (i32.load
-                                    (tee_local $0
-                                      (i32.add
-                                        (get_local $8)
-                                        (i32.const 16)
-                                      )
+                            )
+                            (if
+                              (tee_local $16
+                                (i32.load
+                                  (tee_local $0
+                                    (i32.add
+                                      (get_local $8)
+                                      (i32.const 16)
                                     )
                                   )
                                 )
-                                (block
-                                  (set_local $8
-                                    (get_local $16)
-                                  )
-                                  (set_local $7
-                                    (get_local $0)
-                                  )
+                              )
+                              (block
+                                (set_local $8
+                                  (get_local $16)
+                                )
+                                (set_local $7
+                                  (get_local $0)
                                 )
-                                (br $while-out$23)
+                                (br $while-in$24)
                               )
-                              (br $while-in$24)
                             )
                           )
                           (if
@@ -2710,6 +2698,7 @@
                                   (set_local $1
                                     (get_local $0)
                                   )
+                                  (br $while-in$32)
                                 )
                                 (block
                                   (set_local $23
@@ -2721,10 +2710,8 @@
                                   (set_local $9
                                     (i32.const 145)
                                   )
-                                  (br $while-out$31)
                                 )
                               )
-                              (br $while-in$32)
                             )
                           )
                           (if
@@ -3233,13 +3220,12 @@
                                   )
                                 )
                                 (if
-                                  (i32.eqz
-                                    (tee_local $14
-                                      (i32.load offset=8
-                                        (get_local $14)
-                                      )
+                                  (tee_local $14
+                                    (i32.load offset=8
+                                      (get_local $14)
                                     )
                                   )
+                                  (br $while-in$38)
                                   (block
                                     (set_local $9
                                       (i32.const 173)
@@ -3247,7 +3233,6 @@
                                     (br $label$break$L259)
                                   )
                                 )
-                                (br $while-in$38)
                               )
                             )
                             (if
@@ -3874,21 +3859,16 @@
                     )
                   )
                   (if
-                    (i32.eqz
-                      (tee_local $3
-                        (i32.load offset=8
-                          (get_local $3)
-                        )
+                    (tee_local $3
+                      (i32.load offset=8
+                        (get_local $3)
                       )
                     )
-                    (block
-                      (set_local $28
-                        (i32.const 624)
-                      )
-                      (br $while-out$48)
+                    (br $while-in$49)
+                    (set_local $28
+                      (i32.const 624)
                     )
                   )
-                  (br $while-in$49)
                 )
               )
               (if
@@ -4134,50 +4114,47 @@
                                                   )
                                                 )
                                                 (loop $while-in$56
-                                                  (block $while-out$55
-                                                    (if
-                                                      (tee_local $8
-                                                        (i32.load
-                                                          (tee_local $2
-                                                            (i32.add
-                                                              (get_local $14)
-                                                              (i32.const 20)
-                                                            )
+                                                  (if
+                                                    (tee_local $8
+                                                      (i32.load
+                                                        (tee_local $2
+                                                          (i32.add
+                                                            (get_local $14)
+                                                            (i32.const 20)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $14
-                                                          (get_local $8)
-                                                        )
-                                                        (set_local $11
-                                                          (get_local $2)
-                                                        )
-                                                        (br $while-in$56)
+                                                    )
+                                                    (block
+                                                      (set_local $14
+                                                        (get_local $8)
                                                       )
+                                                      (set_local $11
+                                                        (get_local $2)
+                                                      )
+                                                      (br $while-in$56)
                                                     )
-                                                    (if
-                                                      (tee_local $8
-                                                        (i32.load
-                                                          (tee_local $2
-                                                            (i32.add
-                                                              (get_local $14)
-                                                              (i32.const 16)
-                                                            )
+                                                  )
+                                                  (if
+                                                    (tee_local $8
+                                                      (i32.load
+                                                        (tee_local $2
+                                                          (i32.add
+                                                            (get_local $14)
+                                                            (i32.const 16)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $14
-                                                          (get_local $8)
-                                                        )
-                                                        (set_local $11
-                                                          (get_local $2)
-                                                        )
+                                                    )
+                                                    (block
+                                                      (set_local $14
+                                                        (get_local $8)
                                                       )
-                                                      (br $while-out$55)
+                                                      (set_local $11
+                                                        (get_local $2)
+                                                      )
+                                                      (br $while-in$56)
                                                     )
-                                                    (br $while-in$56)
                                                   )
                                                 )
                                                 (if
@@ -4929,6 +4906,7 @@
                                   (set_local $1
                                     (get_local $7)
                                   )
+                                  (br $while-in$70)
                                 )
                                 (block
                                   (set_local $44
@@ -4940,10 +4918,8 @@
                                   (set_local $9
                                     (i32.const 278)
                                   )
-                                  (br $while-out$69)
                                 )
                               )
-                              (br $while-in$70)
                             )
                           )
                           (if
@@ -5070,43 +5046,40 @@
                 )
               )
               (loop $while-in$72
-                (block $while-out$71
+                (if
                   (if
-                    (if
-                      (i32.le_u
-                        (tee_local $3
-                          (i32.load
-                            (get_local $28)
-                          )
+                    (i32.le_u
+                      (tee_local $3
+                        (i32.load
+                          (get_local $28)
                         )
-                        (get_local $13)
                       )
-                      (i32.gt_u
-                        (tee_local $15
-                          (i32.add
-                            (get_local $3)
-                            (i32.load offset=4
-                              (get_local $28)
-                            )
+                      (get_local $13)
+                    )
+                    (i32.gt_u
+                      (tee_local $15
+                        (i32.add
+                          (get_local $3)
+                          (i32.load offset=4
+                            (get_local $28)
                           )
                         )
-                        (get_local $13)
-                      )
-                      (i32.const 0)
-                    )
-                    (block
-                      (set_local $5
-                        (get_local $15)
                       )
-                      (br $while-out$71)
+                      (get_local $13)
                     )
+                    (i32.const 0)
                   )
-                  (set_local $28
-                    (i32.load offset=8
-                      (get_local $28)
+                  (set_local $5
+                    (get_local $15)
+                  )
+                  (block
+                    (set_local $28
+                      (i32.load offset=8
+                        (get_local $28)
+                      )
                     )
+                    (br $while-in$72)
                   )
-                  (br $while-in$72)
                 )
               )
               (set_local $15
@@ -5663,6 +5636,7 @@
                           (set_local $1
                             (get_local $7)
                           )
+                          (br $while-in$76)
                         )
                         (block
                           (set_local $46
@@ -5674,10 +5648,8 @@
                           (set_local $9
                             (i32.const 304)
                           )
-                          (br $while-out$75)
                         )
                       )
-                      (br $while-in$76)
                     )
                   )
                   (if
@@ -6353,58 +6325,55 @@
                   )
                 )
                 (loop $while-in$5
-                  (block $while-out$4
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $5
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 20)
-                            )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $5
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 20)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $6
-                          (get_local $5)
-                        )
-                        (br $while-in$5)
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
+                      )
+                      (set_local $6
+                        (get_local $5)
                       )
+                      (br $while-in$5)
                     )
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $5
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 16)
-                            )
+                  )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $5
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 16)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $6
-                          (get_local $5)
-                        )
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
                       )
-                      (block
-                        (set_local $5
-                          (get_local $1)
-                        )
-                        (set_local $10
-                          (get_local $6)
-                        )
-                        (br $while-out$4)
+                      (set_local $6
+                        (get_local $5)
+                      )
+                      (br $while-in$5)
+                    )
+                    (block
+                      (set_local $5
+                        (get_local $1)
+                      )
+                      (set_local $10
+                        (get_local $6)
                       )
                     )
-                    (br $while-in$5)
                   )
                 )
                 (if
@@ -6907,50 +6876,47 @@
                       )
                     )
                     (loop $while-in$13
-                      (block $while-out$12
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 20)
-                                )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 20)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $6
-                              (get_local $1)
-                            )
-                            (br $while-in$13)
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $6
+                            (get_local $1)
                           )
+                          (br $while-in$13)
                         )
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 16)
-                                )
+                      )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 16)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $6
-                              (get_local $1)
-                            )
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $6
+                            (get_local $1)
                           )
-                          (br $while-out$12)
+                          (br $while-in$13)
                         )
-                        (br $while-in$13)
                       )
                     )
                     (if
@@ -7658,6 +7624,7 @@
                 (set_local $1
                   (get_local $7)
                 )
+                (br $while-in$19)
               )
               (block
                 (set_local $18
@@ -7669,10 +7636,8 @@
                 (set_local $0
                   (i32.const 127)
                 )
-                (br $while-out$18)
               )
             )
-            (br $while-in$19)
           )
         )
         (if
@@ -7808,22 +7773,21 @@
       )
     )
     (loop $while-in$21
-      (block $while-out$20
-        (if
-          (tee_local $2
-            (i32.load
-              (get_local $0)
-            )
+      (if
+        (tee_local $2
+          (i32.load
+            (get_local $0)
           )
+        )
+        (block
           (set_local $0
             (i32.add
               (get_local $2)
               (i32.const 8)
             )
           )
-          (br $while-out$20)
+          (br $while-in$21)
         )
-        (br $while-in$21)
       )
     )
     (i32.store
@@ -8021,121 +7985,122 @@
             (set_local $1
               (i32.const 8)
             )
-            (br $while-out$0)
-          )
-        )
-        (set_local $10
-          (i32.sub
-            (get_local $5)
-            (get_local $6)
           )
-        )
-        (set_local $3
-          (if
-            (i32.le_u
-              (get_local $6)
-              (tee_local $5
-                (i32.load offset=4
-                  (get_local $4)
-                )
+          (block
+            (set_local $10
+              (i32.sub
+                (get_local $5)
+                (get_local $6)
               )
             )
-            (if
-              (i32.eq
-                (get_local $3)
-                (i32.const 2)
-              )
-              (block
-                (i32.store
-                  (get_local $9)
-                  (i32.add
-                    (i32.load
-                      (get_local $9)
+            (set_local $3
+              (if
+                (i32.le_u
+                  (get_local $6)
+                  (tee_local $5
+                    (i32.load offset=4
+                      (get_local $4)
                     )
-                    (get_local $6)
                   )
                 )
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (i32.const 2)
-                )
-                (get_local $5)
-              )
-              (block
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (get_local $3)
-                )
-                (get_local $5)
-              )
-            )
-            (block
-              (i32.store
-                (get_local $9)
-                (tee_local $7
-                  (i32.load
-                    (get_local $8)
+                (if
+                  (i32.eq
+                    (get_local $3)
+                    (i32.const 2)
+                  )
+                  (block
+                    (i32.store
+                      (get_local $9)
+                      (i32.add
+                        (i32.load
+                          (get_local $9)
+                        )
+                        (get_local $6)
+                      )
+                    )
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (i32.const 2)
+                    )
+                    (get_local $5)
+                  )
+                  (block
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (get_local $3)
+                    )
+                    (get_local $5)
                   )
                 )
-              )
-              (i32.store
-                (get_local $14)
-                (get_local $7)
-              )
-              (set_local $6
-                (i32.sub
-                  (get_local $6)
-                  (get_local $5)
-                )
-              )
-              (set_local $7
-                (i32.add
-                  (get_local $4)
-                  (i32.const 8)
+                (block
+                  (i32.store
+                    (get_local $9)
+                    (tee_local $7
+                      (i32.load
+                        (get_local $8)
+                      )
+                    )
+                  )
+                  (i32.store
+                    (get_local $14)
+                    (get_local $7)
+                  )
+                  (set_local $6
+                    (i32.sub
+                      (get_local $6)
+                      (get_local $5)
+                    )
+                  )
+                  (set_local $7
+                    (i32.add
+                      (get_local $4)
+                      (i32.const 8)
+                    )
+                  )
+                  (set_local $15
+                    (i32.add
+                      (get_local $3)
+                      (i32.const -1)
+                    )
+                  )
+                  (i32.load offset=12
+                    (get_local $4)
+                  )
                 )
               )
-              (set_local $15
-                (i32.add
-                  (get_local $3)
-                  (i32.const -1)
+            )
+            (i32.store
+              (get_local $7)
+              (i32.add
+                (i32.load
+                  (get_local $7)
                 )
+                (get_local $6)
               )
-              (i32.load offset=12
-                (get_local $4)
+            )
+            (i32.store offset=4
+              (get_local $7)
+              (i32.sub
+                (get_local $3)
+                (get_local $6)
               )
             )
-          )
-        )
-        (i32.store
-          (get_local $7)
-          (i32.add
-            (i32.load
+            (set_local $4
               (get_local $7)
             )
-            (get_local $6)
-          )
-        )
-        (i32.store offset=4
-          (get_local $7)
-          (i32.sub
-            (get_local $3)
-            (get_local $6)
+            (set_local $3
+              (get_local $15)
+            )
+            (set_local $5
+              (get_local $10)
+            )
+            (br $while-in$1)
           )
         )
-        (set_local $4
-          (get_local $7)
-        )
-        (set_local $3
-          (get_local $15)
-        )
-        (set_local $5
-          (get_local $10)
-        )
-        (br $while-in$1)
       )
     )
     (if
@@ -8326,49 +8291,46 @@
                     (get_local $1)
                   )
                   (loop $while-in$3
-                    (block $while-out$2
-                      (if
-                        (i32.eqz
-                          (get_local $3)
+                    (if
+                      (i32.eqz
+                        (get_local $3)
+                      )
+                      (block
+                        (set_local $2
+                          (get_local $0)
                         )
-                        (block
-                          (set_local $2
-                            (get_local $0)
-                          )
-                          (set_local $3
-                            (i32.const 0)
-                          )
-                          (br $label$break$L10
-                            (get_local $1)
-                          )
+                        (set_local $3
+                          (i32.const 0)
+                        )
+                        (br $label$break$L10
+                          (get_local $1)
                         )
                       )
-                      (if
-                        (i32.eq
-                          (i32.load8_s
-                            (i32.add
-                              (get_local $0)
-                              (tee_local $7
-                                (i32.add
-                                  (get_local $3)
-                                  (i32.const -1)
-                                )
+                    )
+                    (if
+                      (i32.eq
+                        (i32.load8_s
+                          (i32.add
+                            (get_local $0)
+                            (tee_local $7
+                              (i32.add
+                                (get_local $3)
+                                (i32.const -1)
                               )
                             )
                           )
-                          (i32.const 10)
-                        )
-                        (block
-                          (set_local $4
-                            (get_local $3)
-                          )
-                          (br $while-out$2)
                         )
+                        (i32.const 10)
+                      )
+                      (set_local $4
+                        (get_local $3)
+                      )
+                      (block
                         (set_local $3
                           (get_local $7)
                         )
+                        (br $while-in$3)
                       )
-                      (br $while-in$3)
                     )
                   )
                   (br_if $label$break$L5
@@ -8522,62 +8484,55 @@
                 (get_local $0)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $0
-                    (if
-                      (i32.gt_s
-                        (i32.load offset=76
-                          (get_local $1)
-                        )
-                        (i32.const -1)
-                      )
-                      (call $___lockfile
+                (set_local $0
+                  (if
+                    (i32.gt_s
+                      (i32.load offset=76
                         (get_local $1)
                       )
-                      (i32.const 0)
-                    )
-                  )
-                  (set_local $2
-                    (if
-                      (i32.gt_u
-                        (i32.load offset=20
-                          (get_local $1)
-                        )
-                        (i32.load offset=28
-                          (get_local $1)
-                        )
-                      )
-                      (i32.or
-                        (call $___fflush_unlocked
-                          (get_local $1)
-                        )
-                        (get_local $2)
-                      )
-                      (get_local $2)
+                      (i32.const -1)
                     )
-                  )
-                  (if
-                    (get_local $0)
-                    (call $___unlockfile
+                    (call $___lockfile
                       (get_local $1)
                     )
+                    (i32.const 0)
                   )
+                )
+                (set_local $2
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=56
-                          (get_local $1)
-                        )
+                    (i32.gt_u
+                      (i32.load offset=20
+                        (get_local $1)
+                      )
+                      (i32.load offset=28
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $0
-                        (get_local $2)
+                    (i32.or
+                      (call $___fflush_unlocked
+                        (get_local $1)
                       )
-                      (br $while-out$2)
+                      (get_local $2)
+                    )
+                    (get_local $2)
+                  )
+                )
+                (if
+                  (get_local $0)
+                  (call $___unlockfile
+                    (get_local $1)
+                  )
+                )
+                (if
+                  (tee_local $1
+                    (i32.load offset=56
+                      (get_local $1)
                     )
                   )
                   (br $while-in$3)
+                  (set_local $0
+                    (get_local $2)
+                  )
                 )
               )
             )
@@ -8609,45 +8564,40 @@
             (get_local $3)
           )
           (loop $while-in$2
-            (block $while-out$1
-              (if
-                (i32.eqz
-                  (i32.load8_s
-                    (get_local $0)
-                  )
+            (if
+              (i32.eqz
+                (i32.load8_s
+                  (get_local $0)
                 )
-                (block
-                  (set_local $5
-                    (get_local $4)
-                  )
-                  (br $label$break$L1)
+              )
+              (block
+                (set_local $5
+                  (get_local $4)
                 )
+                (br $label$break$L1)
               )
-              (if
-                (i32.eqz
-                  (i32.and
-                    (tee_local $4
-                      (tee_local $0
-                        (i32.add
-                          (get_local $0)
-                          (i32.const 1)
-                        )
-                      )
+            )
+            (if
+              (i32.and
+                (tee_local $4
+                  (tee_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
                     )
-                    (i32.const 3)
-                  )
-                )
-                (block
-                  (set_local $2
-                    (get_local $0)
-                  )
-                  (set_local $1
-                    (i32.const 4)
                   )
-                  (br $while-out$1)
                 )
+                (i32.const 3)
               )
               (br $while-in$2)
+              (block
+                (set_local $2
+                  (get_local $0)
+                )
+                (set_local $1
+                  (i32.const 4)
+                )
+              )
             )
           )
         )
@@ -8671,8 +8621,8 @@
           (get_local $2)
         )
         (loop $while-in$4
-          (block $while-out$3
-            (if
+          (if
+            (i32.eqz
               (i32.and
                 (i32.xor
                   (i32.and
@@ -8690,15 +8640,16 @@
                   (i32.const -16843009)
                 )
               )
-              (br $while-out$3)
+            )
+            (block
               (set_local $1
                 (i32.add
                   (get_local $1)
                   (i32.const 4)
                 )
               )
+              (br $while-in$4)
             )
-            (br $while-in$4)
           )
         )
         (if
@@ -8717,22 +8668,21 @@
               (get_local $1)
             )
             (loop $while-in$6
-              (block $while-out$5
-                (if
-                  (i32.load8_s
-                    (tee_local $1
-                      (i32.add
-                        (get_local $2)
-                        (i32.const 1)
-                      )
+              (if
+                (i32.load8_s
+                  (tee_local $1
+                    (i32.add
+                      (get_local $2)
+                      (i32.const 1)
                     )
                   )
+                )
+                (block
                   (set_local $2
                     (get_local $1)
                   )
-                  (br $while-out$5)
+                  (br $while-in$6)
                 )
-                (br $while-in$6)
               )
             )
           )
@@ -9098,75 +9048,75 @@
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.lt_s
-                (get_local $2)
-                (i32.const 4)
-              )
-            )
-            (i32.store
-              (get_local $0)
-              (i32.load
-                (get_local $1)
-              )
+          (if
+            (i32.ge_s
+              (get_local $2)
+              (i32.const 4)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (i32.load
+                  (get_local $1)
+                )
               )
-            )
-            (set_local $1
-              (i32.add
-                (get_local $1)
-                (i32.const 4)
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
-            )
-            (set_local $2
-              (i32.sub
-                (get_local $2)
-                (i32.const 4)
+              (set_local $1
+                (i32.add
+                  (get_local $1)
+                  (i32.const 4)
+                )
+              )
+              (set_local $2
+                (i32.sub
+                  (get_local $2)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.le_s
-            (get_local $2)
-            (i32.const 0)
-          )
-        )
-        (i32.store8
-          (get_local $0)
-          (i32.load8_s
-            (get_local $1)
-          )
+      (if
+        (i32.gt_s
+          (get_local $2)
+          (i32.const 0)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (i32.load8_s
+              (get_local $1)
+            )
           )
-        )
-        (set_local $1
-          (i32.add
-            (get_local $1)
-            (i32.const 1)
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
-        )
-        (set_local $2
-          (i32.sub
-            (get_local $2)
-            (i32.const 1)
+          (set_local $1
+            (i32.add
+              (get_local $1)
+              (i32.const 1)
+            )
           )
+          (set_local $2
+            (i32.sub
+              (get_local $2)
+              (i32.const 1)
+            )
+          )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (get_local $3)
@@ -9241,70 +9191,70 @@
               )
             )
             (loop $while-in$1
-              (block $while-out$0
-                (br_if $while-out$0
-                  (i32.ge_s
-                    (get_local $0)
-                    (get_local $3)
-                  )
-                )
-                (i32.store8
+              (if
+                (i32.lt_s
                   (get_local $0)
-                  (get_local $1)
+                  (get_local $3)
                 )
-                (set_local $0
-                  (i32.add
+                (block
+                  (i32.store8
                     (get_local $0)
-                    (i32.const 1)
+                    (get_local $1)
+                  )
+                  (set_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
+                    )
                   )
+                  (br $while-in$1)
                 )
-                (br $while-in$1)
               )
             )
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.ge_s
-                (get_local $0)
-                (get_local $6)
-              )
-            )
-            (i32.store
+          (if
+            (i32.lt_s
               (get_local $0)
-              (get_local $5)
+              (get_local $6)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (get_local $5)
+              )
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.ge_s
-            (get_local $0)
-            (get_local $4)
-          )
-        )
-        (i32.store8
+      (if
+        (i32.lt_s
           (get_local $0)
-          (get_local $1)
+          (get_local $4)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (get_local $1)
+          )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (i32.sub
diff --git a/test/emcc_hello_world.fromasm b/test/emcc_hello_world.fromasm
index ecf5b9b94..b9f940d52 100644
--- a/test/emcc_hello_world.fromasm
+++ b/test/emcc_hello_world.fromasm
@@ -422,10 +422,9 @@
             (set_local $0
               (i32.const 5)
             )
-            (br $while-out$0)
           )
+          (br $while-in$1)
         )
-        (br $while-in$1)
       )
     )
     (if
@@ -457,55 +456,47 @@
         (i32.const 5)
       )
       (loop $while-in$3
-        (block $while-out$2
-          (loop $while-in$5
-            (block $while-out$4
-              (set_local $0
-                (i32.add
-                  (get_local $2)
-                  (i32.const 1)
-                )
-              )
-              (if
-                (i32.load8_s
-                  (get_local $2)
-                )
-                (set_local $2
-                  (get_local $0)
-                )
-                (block
-                  (set_local $1
-                    (get_local $0)
-                  )
-                  (br $while-out$4)
-                )
-              )
-              (br $while-in$5)
+        (loop $while-in$5
+          (set_local $0
+            (i32.add
+              (get_local $2)
+              (i32.const 1)
             )
           )
           (if
-            (tee_local $0
-              (i32.add
-                (get_local $3)
-                (i32.const -1)
-              )
+            (i32.load8_s
+              (get_local $2)
             )
             (block
-              (set_local $3
-                (get_local $0)
-              )
               (set_local $2
-                (get_local $1)
+                (get_local $0)
               )
+              (br $while-in$5)
             )
-            (block
-              (set_local $5
-                (get_local $1)
-              )
-              (br $while-out$2)
+            (set_local $1
+              (get_local $0)
+            )
+          )
+        )
+        (if
+          (tee_local $0
+            (i32.add
+              (get_local $3)
+              (i32.const -1)
+            )
+          )
+          (block
+            (set_local $3
+              (get_local $0)
+            )
+            (set_local $2
+              (get_local $1)
             )
+            (br $while-in$3)
+          )
+          (set_local $5
+            (get_local $1)
           )
-          (br $while-in$3)
         )
       )
     )
@@ -790,63 +781,60 @@
                 (get_local $0)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $0
-                    (if
-                      (i32.gt_s
-                        (i32.load offset=76
-                          (get_local $1)
-                        )
-                        (i32.const -1)
-                      )
-                      (call $___lockfile
+                (set_local $0
+                  (if
+                    (i32.gt_s
+                      (i32.load offset=76
                         (get_local $1)
                       )
-                      (i32.const 0)
+                      (i32.const -1)
+                    )
+                    (call $___lockfile
+                      (get_local $1)
                     )
+                    (i32.const 0)
                   )
-                  (set_local $2
-                    (if
-                      (i32.gt_u
-                        (i32.load offset=20
-                          (get_local $1)
-                        )
-                        (i32.load offset=28
-                          (get_local $1)
-                        )
+                )
+                (set_local $2
+                  (if
+                    (i32.gt_u
+                      (i32.load offset=20
+                        (get_local $1)
                       )
-                      (i32.or
-                        (call $___fflush_unlocked
-                          (get_local $1)
-                        )
-                        (get_local $2)
+                      (i32.load offset=28
+                        (get_local $1)
+                      )
+                    )
+                    (i32.or
+                      (call $___fflush_unlocked
+                        (get_local $1)
                       )
                       (get_local $2)
                     )
+                    (get_local $2)
                   )
-                  (if
-                    (get_local $0)
-                    (call $___unlockfile
+                )
+                (if
+                  (get_local $0)
+                  (call $___unlockfile
+                    (get_local $1)
+                  )
+                )
+                (if
+                  (tee_local $0
+                    (i32.load offset=56
                       (get_local $1)
                     )
                   )
-                  (if
-                    (tee_local $0
-                      (i32.load offset=56
-                        (get_local $1)
-                      )
-                    )
+                  (block
                     (set_local $1
                       (get_local $0)
                     )
-                    (block
-                      (set_local $0
-                        (get_local $2)
-                      )
-                      (br $while-out$2)
-                    )
+                    (br $while-in$3)
+                  )
+                  (set_local $0
+                    (get_local $2)
                   )
-                  (br $while-in$3)
                 )
               )
             )
@@ -1097,115 +1085,116 @@
             (set_local $1
               (i32.const 8)
             )
-            (br $while-out$0)
           )
-        )
-        (set_local $17
-          (i32.sub
-            (get_local $3)
-            (get_local $5)
-          )
-        )
-        (set_local $1
-          (if
-            (i32.gt_u
-              (get_local $5)
-              (tee_local $1
-                (i32.load offset=4
-                  (get_local $4)
-                )
-              )
-            )
-            (block
-              (i32.store
-                (get_local $7)
-                (tee_local $3
-                  (i32.load
-                    (get_local $13)
-                  )
-                )
-              )
-              (i32.store
-                (get_local $11)
+          (block
+            (set_local $17
+              (i32.sub
                 (get_local $3)
+                (get_local $5)
               )
-              (set_local $5
-                (i32.sub
+            )
+            (set_local $1
+              (if
+                (i32.gt_u
                   (get_local $5)
-                  (get_local $1)
-                )
-              )
-              (set_local $3
-                (i32.add
-                  (get_local $4)
-                  (i32.const 8)
+                  (tee_local $1
+                    (i32.load offset=4
+                      (get_local $4)
+                    )
+                  )
                 )
-              )
-              (set_local $6
-                (i32.add
-                  (get_local $6)
-                  (i32.const -1)
+                (block
+                  (i32.store
+                    (get_local $7)
+                    (tee_local $3
+                      (i32.load
+                        (get_local $13)
+                      )
+                    )
+                  )
+                  (i32.store
+                    (get_local $11)
+                    (get_local $3)
+                  )
+                  (set_local $5
+                    (i32.sub
+                      (get_local $5)
+                      (get_local $1)
+                    )
+                  )
+                  (set_local $3
+                    (i32.add
+                      (get_local $4)
+                      (i32.const 8)
+                    )
+                  )
+                  (set_local $6
+                    (i32.add
+                      (get_local $6)
+                      (i32.const -1)
+                    )
+                  )
+                  (i32.load offset=12
+                    (get_local $4)
+                  )
                 )
-              )
-              (i32.load offset=12
-                (get_local $4)
-              )
-            )
-            (if
-              (i32.eq
-                (get_local $6)
-                (i32.const 2)
-              )
-              (block
-                (i32.store
-                  (get_local $7)
-                  (i32.add
-                    (i32.load
+                (if
+                  (i32.eq
+                    (get_local $6)
+                    (i32.const 2)
+                  )
+                  (block
+                    (i32.store
                       (get_local $7)
+                      (i32.add
+                        (i32.load
+                          (get_local $7)
+                        )
+                        (get_local $5)
+                      )
                     )
-                    (get_local $5)
+                    (set_local $3
+                      (get_local $4)
+                    )
+                    (set_local $6
+                      (i32.const 2)
+                    )
+                    (get_local $1)
+                  )
+                  (block
+                    (set_local $3
+                      (get_local $4)
+                    )
+                    (get_local $1)
                   )
                 )
-                (set_local $3
-                  (get_local $4)
-                )
-                (set_local $6
-                  (i32.const 2)
-                )
-                (get_local $1)
               )
-              (block
-                (set_local $3
-                  (get_local $4)
+            )
+            (i32.store
+              (get_local $3)
+              (i32.add
+                (i32.load
+                  (get_local $3)
                 )
+                (get_local $5)
+              )
+            )
+            (i32.store offset=4
+              (get_local $3)
+              (i32.sub
                 (get_local $1)
+                (get_local $5)
               )
             )
-          )
-        )
-        (i32.store
-          (get_local $3)
-          (i32.add
-            (i32.load
+            (set_local $4
               (get_local $3)
             )
-            (get_local $5)
-          )
-        )
-        (i32.store offset=4
-          (get_local $3)
-          (i32.sub
-            (get_local $1)
-            (get_local $5)
+            (set_local $3
+              (get_local $17)
+            )
+            (br $while-in$1)
           )
         )
-        (set_local $4
-          (get_local $3)
-        )
-        (set_local $3
-          (get_local $17)
-        )
-        (br $while-in$1)
       )
     )
     (if
@@ -1691,41 +1680,40 @@
                       (get_local $1)
                     )
                     (loop $while-in$3
-                      (block $while-out$2
-                        (if
-                          (i32.eqz
-                            (get_local $3)
+                      (if
+                        (i32.eqz
+                          (get_local $3)
+                        )
+                        (block
+                          (set_local $2
+                            (i32.const 0)
                           )
-                          (block
-                            (set_local $2
-                              (i32.const 0)
-                            )
-                            (br $label$break$L10
-                              (get_local $4)
-                            )
+                          (br $label$break$L10
+                            (get_local $4)
                           )
                         )
-                        (if
-                          (i32.eq
-                            (i32.load8_s
-                              (i32.add
-                                (get_local $0)
-                                (tee_local $6
-                                  (i32.add
-                                    (get_local $3)
-                                    (i32.const -1)
-                                  )
+                      )
+                      (if
+                        (i32.ne
+                          (i32.load8_s
+                            (i32.add
+                              (get_local $0)
+                              (tee_local $6
+                                (i32.add
+                                  (get_local $3)
+                                  (i32.const -1)
                                 )
                               )
                             )
-                            (i32.const 10)
                           )
-                          (br $while-out$2)
+                          (i32.const 10)
+                        )
+                        (block
                           (set_local $3
                             (get_local $6)
                           )
+                          (br $while-in$3)
                         )
-                        (br $while-in$3)
                       )
                     )
                     (if
@@ -2150,79 +2138,78 @@
             (get_local $0)
           )
           (loop $while-in$2
-            (block $while-out$1
-              (if
-                (i32.eq
-                  (i32.load8_s
-                    (get_local $2)
-                  )
-                  (i32.shr_s
-                    (i32.shl
-                      (get_local $5)
-                      (i32.const 24)
-                    )
+            (if
+              (i32.eq
+                (i32.load8_s
+                  (get_local $2)
+                )
+                (i32.shr_s
+                  (i32.shl
+                    (get_local $5)
                     (i32.const 24)
                   )
+                  (i32.const 24)
                 )
-                (block
-                  (set_local $4
-                    (get_local $3)
-                  )
-                  (set_local $6
-                    (get_local $2)
-                  )
-                  (set_local $3
-                    (i32.const 6)
-                  )
-                  (br $label$break$L1)
+              )
+              (block
+                (set_local $4
+                  (get_local $3)
+                )
+                (set_local $6
+                  (get_local $2)
+                )
+                (set_local $3
+                  (i32.const 6)
                 )
+                (br $label$break$L1)
               )
-              (if
-                (i32.and
-                  (tee_local $3
-                    (i32.ne
-                      (tee_local $0
-                        (i32.add
-                          (get_local $3)
-                          (i32.const -1)
-                        )
+            )
+            (if
+              (i32.and
+                (tee_local $3
+                  (i32.ne
+                    (tee_local $0
+                      (i32.add
+                        (get_local $3)
+                        (i32.const -1)
                       )
-                      (i32.const 0)
                     )
+                    (i32.const 0)
                   )
-                  (i32.ne
-                    (i32.and
-                      (tee_local $2
-                        (i32.add
-                          (get_local $2)
-                          (i32.const 1)
-                        )
+                )
+                (i32.ne
+                  (i32.and
+                    (tee_local $2
+                      (i32.add
+                        (get_local $2)
+                        (i32.const 1)
                       )
-                      (i32.const 3)
                     )
-                    (i32.const 0)
+                    (i32.const 3)
                   )
+                  (i32.const 0)
                 )
+              )
+              (block
                 (set_local $3
                   (get_local $0)
                 )
-                (block
-                  (set_local $14
-                    (get_local $0)
-                  )
-                  (set_local $11
-                    (get_local $2)
-                  )
-                  (set_local $15
-                    (get_local $3)
-                  )
-                  (set_local $3
-                    (i32.const 5)
-                  )
-                  (br $while-out$1)
+                (br $while-in$2)
+              )
+              (block
+                (set_local $14
+                  (get_local $0)
+                )
+                (set_local $11
+                  (get_local $2)
+                )
+                (set_local $15
+                  (get_local $3)
+                )
+                (set_local $3
+                  (i32.const 5)
                 )
               )
-              (br $while-in$2)
             )
           )
         )
@@ -2350,7 +2337,7 @@
                         )
                       )
                       (if
-                        (i32.le_u
+                        (i32.gt_u
                           (tee_local $4
                             (i32.add
                               (get_local $4)
@@ -2359,6 +2346,7 @@
                           )
                           (i32.const 3)
                         )
+                        (br $while-in$6)
                         (block
                           (set_local $12
                             (get_local $4)
@@ -2372,7 +2360,6 @@
                           (br $label$break$L11)
                         )
                       )
-                      (br $while-in$6)
                     )
                   )
                   (set_local $10
@@ -2422,62 +2409,59 @@
               )
             )
             (loop $while-in$8
-              (block $while-out$7
-                (if
-                  (i32.eq
-                    (i32.load8_s
-                      (get_local $9)
-                    )
-                    (i32.shr_s
-                      (i32.shl
-                        (get_local $0)
-                        (i32.const 24)
-                      )
+              (if
+                (i32.eq
+                  (i32.load8_s
+                    (get_local $9)
+                  )
+                  (i32.shr_s
+                    (i32.shl
+                      (get_local $0)
                       (i32.const 24)
                     )
+                    (i32.const 24)
                   )
-                  (block
-                    (set_local $7
-                      (get_local $10)
-                    )
-                    (set_local $8
-                      (get_local $9)
-                    )
-                    (br $label$break$L8)
+                )
+                (block
+                  (set_local $7
+                    (get_local $10)
+                  )
+                  (set_local $8
+                    (get_local $9)
                   )
+                  (br $label$break$L8)
                 )
-                (set_local $2
+              )
+              (set_local $2
+                (i32.add
+                  (get_local $9)
+                  (i32.const 1)
+                )
+              )
+              (if
+                (tee_local $1
                   (i32.add
-                    (get_local $9)
-                    (i32.const 1)
+                    (get_local $10)
+                    (i32.const -1)
                   )
                 )
-                (if
-                  (tee_local $1
-                    (i32.add
-                      (get_local $10)
-                      (i32.const -1)
-                    )
+                (block
+                  (set_local $10
+                    (get_local $1)
                   )
-                  (block
-                    (set_local $10
-                      (get_local $1)
-                    )
-                    (set_local $9
-                      (get_local $2)
-                    )
+                  (set_local $9
+                    (get_local $2)
                   )
-                  (block
-                    (set_local $7
-                      (i32.const 0)
-                    )
-                    (set_local $8
-                      (get_local $2)
-                    )
-                    (br $while-out$7)
+                  (br $while-in$8)
+                )
+                (block
+                  (set_local $7
+                    (i32.const 0)
+                  )
+                  (set_local $8
+                    (get_local $2)
                   )
                 )
-                (br $while-in$8)
               )
             )
           )
@@ -3002,64 +2986,61 @@
               (i32.const 9)
             )
             (loop $while-in$8
-              (block $while-out$7
-                (set_local $11
-                  (i32.const 0)
-                )
-                (if
-                  (i32.ne
-                    (i32.load8_s offset=1
-                      (get_local $53)
-                    )
-                    (i32.const 37)
-                  )
-                  (block
-                    (set_local $39
-                      (get_local $53)
-                    )
-                    (set_local $54
-                      (get_local $64)
-                    )
-                    (br $label$break$L12)
+              (set_local $11
+                (i32.const 0)
+              )
+              (if
+                (i32.ne
+                  (i32.load8_s offset=1
+                    (get_local $53)
                   )
+                  (i32.const 37)
                 )
-                (set_local $5
-                  (i32.add
+                (block
+                  (set_local $39
+                    (get_local $53)
+                  )
+                  (set_local $54
                     (get_local $64)
-                    (i32.const 1)
                   )
+                  (br $label$break$L12)
                 )
-                (if
-                  (i32.eq
-                    (i32.load8_s
-                      (tee_local $1
-                        (i32.add
-                          (get_local $53)
-                          (i32.const 2)
-                        )
+              )
+              (set_local $5
+                (i32.add
+                  (get_local $64)
+                  (i32.const 1)
+                )
+              )
+              (if
+                (i32.eq
+                  (i32.load8_s
+                    (tee_local $1
+                      (i32.add
+                        (get_local $53)
+                        (i32.const 2)
                       )
                     )
-                    (i32.const 37)
                   )
-                  (block
-                    (set_local $53
-                      (get_local $1)
-                    )
-                    (set_local $64
-                      (get_local $5)
-                    )
+                  (i32.const 37)
+                )
+                (block
+                  (set_local $53
+                    (get_local $1)
                   )
-                  (block
-                    (set_local $39
-                      (get_local $1)
-                    )
-                    (set_local $54
-                      (get_local $5)
-                    )
-                    (br $while-out$7)
+                  (set_local $64
+                    (get_local $5)
+                  )
+                  (br $while-in$8)
+                )
+                (block
+                  (set_local $39
+                    (get_local $1)
+                  )
+                  (set_local $54
+                    (get_local $5)
                   )
                 )
-                (br $while-in$8)
               )
             )
           )
@@ -3202,75 +3183,72 @@
                 (i32.const 0)
               )
               (loop $while-in$11
-                (block $while-out$10
-                  (br_if $label$break$L25
-                    (i32.eqz
-                      (i32.and
-                        (i32.shl
-                          (i32.const 1)
-                          (i32.add
-                            (get_local $5)
-                            (i32.const -32)
-                          )
+                (br_if $label$break$L25
+                  (i32.eqz
+                    (i32.and
+                      (i32.shl
+                        (i32.const 1)
+                        (i32.add
+                          (get_local $5)
+                          (i32.const -32)
                         )
-                        (i32.const 75913)
                       )
+                      (i32.const 75913)
                     )
                   )
-                  (set_local $8
-                    (i32.or
-                      (i32.shl
-                        (i32.const 1)
-                        (i32.add
-                          (i32.shr_s
-                            (i32.shl
-                              (get_local $1)
-                              (i32.const 24)
-                            )
+                )
+                (set_local $8
+                  (i32.or
+                    (i32.shl
+                      (i32.const 1)
+                      (i32.add
+                        (i32.shr_s
+                          (i32.shl
+                            (get_local $1)
                             (i32.const 24)
                           )
-                          (i32.const -32)
+                          (i32.const 24)
                         )
+                        (i32.const -32)
                       )
-                      (get_local $8)
                     )
+                    (get_local $8)
                   )
-                  (if
-                    (i32.eq
-                      (i32.and
-                        (tee_local $5
-                          (i32.shr_s
-                            (i32.shl
-                              (tee_local $1
-                                (i32.load8_s
-                                  (tee_local $6
-                                    (i32.add
-                                      (get_local $10)
-                                      (i32.const 1)
-                                    )
+                )
+                (if
+                  (i32.eq
+                    (i32.and
+                      (tee_local $5
+                        (i32.shr_s
+                          (i32.shl
+                            (tee_local $1
+                              (i32.load8_s
+                                (tee_local $6
+                                  (i32.add
+                                    (get_local $10)
+                                    (i32.const 1)
                                   )
                                 )
                               )
-                              (i32.const 24)
                             )
                             (i32.const 24)
                           )
+                          (i32.const 24)
                         )
-                        (i32.const -32)
                       )
-                      (i32.const 32)
+                      (i32.const -32)
                     )
+                    (i32.const 32)
+                  )
+                  (block
                     (set_local $10
                       (get_local $6)
                     )
-                    (block
-                      (set_local $10
-                        (get_local $6)
-                      )
-                      (br $while-out$10)
-                    )
+                    (br $while-in$11)
+                  )
+                  (set_local $10
+                    (get_local $6)
                   )
-                  (br $while-in$11)
                 )
               )
             )
@@ -3495,35 +3473,32 @@
                   (i32.const 0)
                 )
                 (loop $while-in$15
-                  (block $while-out$14
-                    (set_local $5
-                      (i32.add
-                        (i32.mul
-                          (get_local $5)
-                          (i32.const 10)
-                        )
-                        (get_local $6)
+                  (set_local $5
+                    (i32.add
+                      (i32.mul
+                        (get_local $5)
+                        (i32.const 10)
                       )
+                      (get_local $6)
                     )
-                    (br_if $while-out$14
-                      (i32.ge_u
-                        (tee_local $6
-                          (i32.add
-                            (i32.load8_s
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $1)
-                                  (i32.const 1)
-                                )
+                  )
+                  (br_if $while-in$15
+                    (i32.lt_u
+                      (tee_local $6
+                        (i32.add
+                          (i32.load8_s
+                            (tee_local $1
+                              (i32.add
+                                (get_local $1)
+                                (i32.const 1)
                               )
                             )
-                            (i32.const -48)
                           )
+                          (i32.const -48)
                         )
-                        (i32.const 10)
                       )
+                      (i32.const 10)
                     )
-                    (br $while-in$15)
                   )
                 )
                 (if
@@ -3636,7 +3611,7 @@
                         )
                       )
                       (if
-                        (i32.ge_u
+                        (i32.lt_u
                           (tee_local $6
                             (i32.add
                               (i32.load8_s
@@ -3652,6 +3627,7 @@
                           )
                           (i32.const 10)
                         )
+                        (br $while-in$18)
                         (block
                           (set_local $9
                             (get_local $5)
@@ -3661,7 +3637,6 @@
                           )
                         )
                       )
-                      (br $while-in$18)
                     )
                   )
                 )
@@ -3788,74 +3763,69 @@
           (i32.const 0)
         )
         (loop $while-in$20
-          (block $while-out$19
-            (if
-              (i32.gt_u
-                (tee_local $1
-                  (i32.add
-                    (i32.load8_s
-                      (get_local $13)
-                    )
-                    (i32.const -65)
+          (if
+            (i32.gt_u
+              (tee_local $1
+                (i32.add
+                  (i32.load8_s
+                    (get_local $13)
                   )
+                  (i32.const -65)
                 )
-                (i32.const 57)
-              )
-              (block
-                (set_local $23
-                  (i32.const -1)
-                )
-                (br $label$break$L1)
               )
+              (i32.const 57)
             )
-            (set_local $10
-              (i32.add
-                (get_local $13)
-                (i32.const 1)
+            (block
+              (set_local $23
+                (i32.const -1)
               )
+              (br $label$break$L1)
             )
-            (if
-              (i32.lt_u
-                (i32.add
-                  (tee_local $5
-                    (i32.and
-                      (tee_local $1
-                        (i32.load8_s
+          )
+          (set_local $10
+            (i32.add
+              (get_local $13)
+              (i32.const 1)
+            )
+          )
+          (if
+            (i32.lt_u
+              (i32.add
+                (tee_local $5
+                  (i32.and
+                    (tee_local $1
+                      (i32.load8_s
+                        (i32.add
                           (i32.add
-                            (i32.add
-                              (i32.const 3611)
-                              (i32.mul
-                                (get_local $14)
-                                (i32.const 58)
-                              )
+                            (i32.const 3611)
+                            (i32.mul
+                              (get_local $14)
+                              (i32.const 58)
                             )
-                            (get_local $1)
                           )
+                          (get_local $1)
                         )
                       )
-                      (i32.const 255)
                     )
+                    (i32.const 255)
                   )
-                  (i32.const -1)
                 )
-                (i32.const 8)
+                (i32.const -1)
               )
-              (block
-                (set_local $13
-                  (get_local $10)
-                )
-                (set_local $14
-                  (get_local $5)
-                )
+              (i32.const 8)
+            )
+            (block
+              (set_local $13
+                (get_local $10)
               )
-              (block
-                (set_local $6
-                  (get_local $5)
-                )
-                (br $while-out$19)
+              (set_local $14
+                (get_local $5)
               )
+              (br $while-in$20)
+            )
+            (set_local $6
+              (get_local $5)
             )
-            (br $while-in$20)
           )
         )
         (if
@@ -4304,26 +4274,26 @@
                                   (get_local $26)
                                 )
                                 (loop $while-in$39
-                                  (block $while-out$38
-                                    (i32.store8
-                                      (tee_local $6
-                                        (i32.add
-                                          (get_local $6)
-                                          (i32.const -1)
-                                        )
+                                  (i32.store8
+                                    (tee_local $6
+                                      (i32.add
+                                        (get_local $6)
+                                        (i32.const -1)
                                       )
-                                      (i32.and
-                                        (i32.or
-                                          (i32.and
-                                            (get_local $5)
-                                            (i32.const 7)
-                                          )
-                                          (i32.const 48)
+                                    )
+                                    (i32.and
+                                      (i32.or
+                                        (i32.and
+                                          (get_local $5)
+                                          (i32.const 7)
                                         )
-                                        (i32.const 255)
+                                        (i32.const 48)
                                       )
+                                      (i32.const 255)
                                     )
-                                    (br_if $while-out$38
+                                  )
+                                  (br_if $while-in$39
+                                    (i32.eqz
                                       (i32.and
                                         (i32.eqz
                                           (tee_local $5
@@ -4341,7 +4311,6 @@
                                         )
                                       )
                                     )
-                                    (br $while-in$39)
                                   )
                                 )
                               )
@@ -4818,24 +4787,19 @@
                                 (f64.const 8)
                               )
                               (loop $while-in$61
-                                (block $while-out$60
-                                  (set_local $28
-                                    (f64.mul
-                                      (get_local $28)
-                                      (f64.const 16)
-                                    )
+                                (set_local $28
+                                  (f64.mul
+                                    (get_local $28)
+                                    (f64.const 16)
                                   )
-                                  (br_if $while-out$60
-                                    (i32.eqz
-                                      (tee_local $1
-                                        (i32.add
-                                          (get_local $1)
-                                          (i32.const -1)
-                                        )
-                                      )
+                                )
+                                (br_if $while-in$61
+                                  (tee_local $1
+                                    (i32.add
+                                      (get_local $1)
+                                      (i32.const -1)
                                     )
                                   )
-                                  (br $while-in$61)
                                 )
                               )
                               (select
@@ -4965,95 +4929,90 @@
                           (get_local $27)
                         )
                         (loop $while-in$63
-                          (block $while-out$62
-                            (i32.store8
-                              (get_local $13)
-                              (i32.and
-                                (i32.or
-                                  (i32.and
-                                    (i32.load8_s
-                                      (i32.add
-                                        (tee_local $1
-                                          (call_import $f64-to-int
-                                            (get_local $15)
-                                          )
+                          (i32.store8
+                            (get_local $13)
+                            (i32.and
+                              (i32.or
+                                (i32.and
+                                  (i32.load8_s
+                                    (i32.add
+                                      (tee_local $1
+                                        (call_import $f64-to-int
+                                          (get_local $15)
                                         )
-                                        (i32.const 4075)
                                       )
+                                      (i32.const 4075)
                                     )
-                                    (i32.const 255)
                                   )
-                                  (get_local $6)
+                                  (i32.const 255)
                                 )
-                                (i32.const 255)
+                                (get_local $6)
                               )
+                              (i32.const 255)
                             )
-                            (set_local $15
-                              (f64.mul
-                                (f64.sub
-                                  (get_local $15)
-                                  (f64.convert_s/i32
-                                    (get_local $1)
-                                  )
+                          )
+                          (set_local $15
+                            (f64.mul
+                              (f64.sub
+                                (get_local $15)
+                                (f64.convert_s/i32
+                                  (get_local $1)
                                 )
-                                (f64.const 16)
                               )
+                              (f64.const 16)
                             )
-                            (set_local $13
-                              (block $do-once$64
-                                (if
-                                  (i32.eq
-                                    (i32.sub
-                                      (tee_local $1
-                                        (i32.add
-                                          (get_local $13)
-                                          (i32.const 1)
-                                        )
+                          )
+                          (set_local $13
+                            (block $do-once$64
+                              (if
+                                (i32.eq
+                                  (i32.sub
+                                    (tee_local $1
+                                      (i32.add
+                                        (get_local $13)
+                                        (i32.const 1)
                                       )
-                                      (get_local $63)
                                     )
-                                    (i32.const 1)
+                                    (get_local $63)
                                   )
-                                  (block
-                                    (br_if $do-once$64
-                                      (get_local $1)
+                                  (i32.const 1)
+                                )
+                                (block
+                                  (br_if $do-once$64
+                                    (get_local $1)
+                                    (i32.and
+                                      (get_local $14)
                                       (i32.and
-                                        (get_local $14)
-                                        (i32.and
-                                          (get_local $5)
-                                          (f64.eq
-                                            (get_local $15)
-                                            (f64.const 0)
-                                          )
+                                        (get_local $5)
+                                        (f64.eq
+                                          (get_local $15)
+                                          (f64.const 0)
                                         )
                                       )
                                     )
-                                    (i32.store8
-                                      (get_local $1)
-                                      (i32.const 46)
-                                    )
-                                    (i32.add
-                                      (get_local $13)
-                                      (i32.const 2)
-                                    )
                                   )
-                                  (get_local $1)
+                                  (i32.store8
+                                    (get_local $1)
+                                    (i32.const 46)
+                                  )
+                                  (i32.add
+                                    (get_local $13)
+                                    (i32.const 2)
+                                  )
                                 )
+                                (get_local $1)
                               )
                             )
-                            (if
-                              (f64.eq
-                                (get_local $15)
-                                (f64.const 0)
-                              )
-                              (block
-                                (set_local $1
-                                  (get_local $13)
-                                )
-                                (br $while-out$62)
-                              )
+                          )
+                          (if
+                            (f64.ne
+                              (get_local $15)
+                              (f64.const 0)
                             )
                             (br $while-in$63)
+                            (set_local $1
+                              (get_local $13)
+                            )
                           )
                         )
                         (call $_pad
@@ -5256,44 +5215,39 @@
                       (get_local $10)
                     )
                     (loop $while-in$67
-                      (block $while-out$66
-                        (i32.store
-                          (get_local $7)
-                          (tee_local $5
-                            (call_import $f64-to-int
-                              (get_local $15)
-                            )
+                      (i32.store
+                        (get_local $7)
+                        (tee_local $5
+                          (call_import $f64-to-int
+                            (get_local $15)
                           )
                         )
-                        (set_local $7
-                          (i32.add
-                            (get_local $7)
-                            (i32.const 4)
-                          )
+                      )
+                      (set_local $7
+                        (i32.add
+                          (get_local $7)
+                          (i32.const 4)
                         )
-                        (if
-                          (f64.eq
-                            (tee_local $15
-                              (f64.mul
-                                (f64.sub
-                                  (get_local $15)
-                                  (f64.convert_u/i32
-                                    (get_local $5)
-                                  )
+                      )
+                      (if
+                        (f64.ne
+                          (tee_local $15
+                            (f64.mul
+                              (f64.sub
+                                (get_local $15)
+                                (f64.convert_u/i32
+                                  (get_local $5)
                                 )
-                                (f64.const 1e9)
                               )
+                              (f64.const 1e9)
                             )
-                            (f64.const 0)
-                          )
-                          (block
-                            (set_local $6
-                              (get_local $7)
-                            )
-                            (br $while-out$66)
                           )
+                          (f64.const 0)
                         )
                         (br $while-in$67)
+                        (set_local $6
+                          (get_local $7)
+                        )
                       )
                     )
                     (if
@@ -5313,121 +5267,120 @@
                           (get_local $6)
                         )
                         (loop $while-in$69
-                          (block $while-out$68
-                            (set_local $13
-                              (select
-                                (i32.const 29)
+                          (set_local $13
+                            (select
+                              (i32.const 29)
+                              (get_local $5)
+                              (i32.gt_s
                                 (get_local $5)
-                                (i32.gt_s
-                                  (get_local $5)
-                                  (i32.const 29)
-                                )
+                                (i32.const 29)
                               )
                             )
-                            (set_local $7
-                              (block $do-once$70
-                                (if
-                                  (i32.lt_u
-                                    (tee_local $7
-                                      (i32.add
-                                        (get_local $14)
-                                        (i32.const -4)
-                                      )
+                          )
+                          (set_local $7
+                            (block $do-once$70
+                              (if
+                                (i32.lt_u
+                                  (tee_local $7
+                                    (i32.add
+                                      (get_local $14)
+                                      (i32.const -4)
                                     )
-                                    (get_local $8)
                                   )
                                   (get_local $8)
-                                  (block
-                                    (set_local $5
-                                      (i32.const 0)
-                                    )
-                                    (set_local $9
-                                      (get_local $7)
-                                    )
-                                    (loop $while-in$73
-                                      (block $while-out$72
-                                        (set_local $6
-                                          (call $___uremdi3
-                                            (tee_local $5
-                                              (call $_i64Add
-                                                (call $_bitshift64Shl
-                                                  (i32.load
-                                                    (get_local $9)
-                                                  )
-                                                  (i32.const 0)
-                                                  (get_local $13)
-                                                )
-                                                (get_global $tempRet0)
-                                                (get_local $5)
-                                                (i32.const 0)
+                                )
+                                (get_local $8)
+                                (block
+                                  (set_local $5
+                                    (i32.const 0)
+                                  )
+                                  (set_local $9
+                                    (get_local $7)
+                                  )
+                                  (loop $while-in$73
+                                    (set_local $6
+                                      (call $___uremdi3
+                                        (tee_local $5
+                                          (call $_i64Add
+                                            (call $_bitshift64Shl
+                                              (i32.load
+                                                (get_local $9)
                                               )
+                                              (i32.const 0)
+                                              (get_local $13)
                                             )
-                                            (tee_local $7
-                                              (get_global $tempRet0)
-                                            )
-                                            (i32.const 1000000000)
-                                            (i32.const 0)
-                                          )
-                                        )
-                                        (i32.store
-                                          (get_local $9)
-                                          (get_local $6)
-                                        )
-                                        (set_local $5
-                                          (call $___udivdi3
+                                            (get_global $tempRet0)
                                             (get_local $5)
-                                            (get_local $7)
-                                            (i32.const 1000000000)
                                             (i32.const 0)
                                           )
                                         )
-                                        (if
-                                          (i32.lt_u
-                                            (tee_local $7
-                                              (i32.add
-                                                (get_local $9)
-                                                (i32.const -4)
-                                              )
-                                            )
-                                            (get_local $8)
-                                          )
-                                          (br $while-out$72)
-                                          (set_local $9
-                                            (get_local $7)
-                                          )
+                                        (tee_local $7
+                                          (get_global $tempRet0)
                                         )
-                                        (br $while-in$73)
+                                        (i32.const 1000000000)
+                                        (i32.const 0)
                                       )
                                     )
-                                    (br_if $do-once$70
-                                      (get_local $8)
-                                      (i32.eqz
+                                    (i32.store
+                                      (get_local $9)
+                                      (get_local $6)
+                                    )
+                                    (set_local $5
+                                      (call $___udivdi3
                                         (get_local $5)
+                                        (get_local $7)
+                                        (i32.const 1000000000)
+                                        (i32.const 0)
                                       )
                                     )
-                                    (i32.store
-                                      (tee_local $7
-                                        (i32.add
-                                          (get_local $8)
-                                          (i32.const -4)
+                                    (if
+                                      (i32.ge_u
+                                        (tee_local $7
+                                          (i32.add
+                                            (get_local $9)
+                                            (i32.const -4)
+                                          )
+                                        )
+                                        (get_local $8)
+                                      )
+                                      (block
+                                        (set_local $9
+                                          (get_local $7)
                                         )
+                                        (br $while-in$73)
                                       )
+                                    )
+                                  )
+                                  (br_if $do-once$70
+                                    (get_local $8)
+                                    (i32.eqz
                                       (get_local $5)
                                     )
-                                    (get_local $7)
                                   )
+                                  (i32.store
+                                    (tee_local $7
+                                      (i32.add
+                                        (get_local $8)
+                                        (i32.const -4)
+                                      )
+                                    )
+                                    (get_local $5)
+                                  )
+                                  (get_local $7)
                                 )
                               )
                             )
-                            (loop $while-in$75
-                              (block $while-out$74
-                                (br_if $while-out$74
-                                  (i32.le_u
-                                    (get_local $14)
-                                    (get_local $7)
-                                  )
+                          )
+                          (loop $while-in$75
+                            (block $while-out$74
+                              (br_if $while-out$74
+                                (i32.le_u
+                                  (get_local $14)
+                                  (get_local $7)
                                 )
-                                (if
+                              )
+                              (if
+                                (i32.eqz
                                   (i32.load
                                     (tee_local $5
                                       (i32.add
@@ -5436,41 +5389,41 @@
                                       )
                                     )
                                   )
-                                  (br $while-out$74)
+                                )
+                                (block
                                   (set_local $14
                                     (get_local $5)
                                   )
+                                  (br $while-in$75)
                                 )
-                                (br $while-in$75)
                               )
                             )
-                            (i32.store
-                              (get_local $24)
-                              (tee_local $5
-                                (i32.sub
-                                  (i32.load
-                                    (get_local $24)
-                                  )
-                                  (get_local $13)
+                          )
+                          (i32.store
+                            (get_local $24)
+                            (tee_local $5
+                              (i32.sub
+                                (i32.load
+                                  (get_local $24)
                                 )
+                                (get_local $13)
                               )
                             )
-                            (if
-                              (i32.gt_s
-                                (get_local $5)
-                                (i32.const 0)
-                              )
+                          )
+                          (if
+                            (i32.gt_s
+                              (get_local $5)
+                              (i32.const 0)
+                            )
+                            (block
                               (set_local $8
                                 (get_local $7)
                               )
-                              (block
-                                (set_local $6
-                                  (get_local $14)
-                                )
-                                (br $while-out$68)
-                              )
+                              (br $while-in$69)
+                            )
+                            (set_local $6
+                              (get_local $14)
                             )
-                            (br $while-in$69)
                           )
                         )
                       )
@@ -5509,187 +5462,181 @@
                           (get_local $6)
                         )
                         (loop $while-in$77
-                          (block $while-out$76
-                            (set_local $9
-                              (select
-                                (i32.const 9)
-                                (tee_local $5
-                                  (i32.sub
-                                    (i32.const 0)
-                                    (get_local $5)
-                                  )
-                                )
-                                (i32.gt_s
+                          (set_local $9
+                            (select
+                              (i32.const 9)
+                              (tee_local $5
+                                (i32.sub
+                                  (i32.const 0)
                                   (get_local $5)
-                                  (i32.const 9)
                                 )
                               )
+                              (i32.gt_s
+                                (get_local $5)
+                                (i32.const 9)
+                              )
                             )
-                            (set_local $6
-                              (select
-                                (i32.add
-                                  (tee_local $5
-                                    (select
-                                      (get_local $10)
-                                      (tee_local $7
-                                        (block $do-once$78
-                                          (if
-                                            (i32.lt_u
+                          )
+                          (set_local $6
+                            (select
+                              (i32.add
+                                (tee_local $5
+                                  (select
+                                    (get_local $10)
+                                    (tee_local $7
+                                      (block $do-once$78
+                                        (if
+                                          (i32.lt_u
+                                            (get_local $7)
+                                            (get_local $19)
+                                          )
+                                          (block
+                                            (set_local $69
+                                              (i32.add
+                                                (i32.shl
+                                                  (i32.const 1)
+                                                  (get_local $9)
+                                                )
+                                                (i32.const -1)
+                                              )
+                                            )
+                                            (set_local $29
+                                              (i32.shr_u
+                                                (i32.const 1000000000)
+                                                (get_local $9)
+                                              )
+                                            )
+                                            (set_local $6
+                                              (i32.const 0)
+                                            )
+                                            (set_local $14
                                               (get_local $7)
-                                              (get_local $19)
                                             )
-                                            (block
-                                              (set_local $69
+                                            (loop $while-in$81
+                                              (i32.store
+                                                (get_local $14)
                                                 (i32.add
-                                                  (i32.shl
-                                                    (i32.const 1)
+                                                  (i32.shr_u
+                                                    (tee_local $5
+                                                      (i32.load
+                                                        (get_local $14)
+                                                      )
+                                                    )
                                                     (get_local $9)
                                                   )
-                                                  (i32.const -1)
-                                                )
-                                              )
-                                              (set_local $29
-                                                (i32.shr_u
-                                                  (i32.const 1000000000)
-                                                  (get_local $9)
+                                                  (get_local $6)
                                                 )
                                               )
                                               (set_local $6
-                                                (i32.const 0)
-                                              )
-                                              (set_local $14
-                                                (get_local $7)
+                                                (i32.mul
+                                                  (i32.and
+                                                    (get_local $5)
+                                                    (get_local $69)
+                                                  )
+                                                  (get_local $29)
+                                                )
                                               )
-                                              (loop $while-in$81
-                                                (block $while-out$80
-                                                  (i32.store
-                                                    (get_local $14)
+                                              (br_if $while-in$81
+                                                (i32.lt_u
+                                                  (tee_local $14
                                                     (i32.add
-                                                      (i32.shr_u
-                                                        (tee_local $5
-                                                          (i32.load
-                                                            (get_local $14)
-                                                          )
-                                                        )
-                                                        (get_local $9)
-                                                      )
-                                                      (get_local $6)
-                                                    )
-                                                  )
-                                                  (set_local $6
-                                                    (i32.mul
-                                                      (i32.and
-                                                        (get_local $5)
-                                                        (get_local $69)
-                                                      )
-                                                      (get_local $29)
-                                                    )
-                                                  )
-                                                  (br_if $while-out$80
-                                                    (i32.ge_u
-                                                      (tee_local $14
-                                                        (i32.add
-                                                          (get_local $14)
-                                                          (i32.const 4)
-                                                        )
-                                                      )
-                                                      (get_local $19)
+                                                      (get_local $14)
+                                                      (i32.const 4)
                                                     )
                                                   )
-                                                  (br $while-in$81)
+                                                  (get_local $19)
                                                 )
                                               )
-                                              (set_local $5
-                                                (select
+                                            )
+                                            (set_local $5
+                                              (select
+                                                (get_local $7)
+                                                (i32.add
                                                   (get_local $7)
-                                                  (i32.add
-                                                    (get_local $7)
-                                                    (i32.const 4)
-                                                  )
-                                                  (i32.load
-                                                    (get_local $7)
-                                                  )
+                                                  (i32.const 4)
                                                 )
-                                              )
-                                              (br_if $do-once$78
-                                                (get_local $5)
-                                                (i32.eqz
-                                                  (get_local $6)
+                                                (i32.load
+                                                  (get_local $7)
                                                 )
                                               )
-                                              (i32.store
-                                                (get_local $19)
+                                            )
+                                            (br_if $do-once$78
+                                              (get_local $5)
+                                              (i32.eqz
                                                 (get_local $6)
                                               )
-                                              (set_local $19
-                                                (i32.add
-                                                  (get_local $19)
-                                                  (i32.const 4)
-                                                )
-                                              )
-                                              (get_local $5)
                                             )
-                                            (select
-                                              (get_local $7)
+                                            (i32.store
+                                              (get_local $19)
+                                              (get_local $6)
+                                            )
+                                            (set_local $19
                                               (i32.add
-                                                (get_local $7)
+                                                (get_local $19)
                                                 (i32.const 4)
                                               )
-                                              (i32.load
-                                                (get_local $7)
-                                              )
+                                            )
+                                            (get_local $5)
+                                          )
+                                          (select
+                                            (get_local $7)
+                                            (i32.add
+                                              (get_local $7)
+                                              (i32.const 4)
+                                            )
+                                            (i32.load
+                                              (get_local $7)
                                             )
                                           )
                                         )
                                       )
-                                      (get_local $13)
                                     )
-                                  )
-                                  (i32.shl
-                                    (get_local $8)
-                                    (i32.const 2)
+                                    (get_local $13)
                                   )
                                 )
-                                (get_local $19)
-                                (i32.gt_s
-                                  (i32.shr_s
-                                    (i32.sub
-                                      (get_local $19)
-                                      (get_local $5)
-                                    )
-                                    (i32.const 2)
-                                  )
+                                (i32.shl
                                   (get_local $8)
+                                  (i32.const 2)
                                 )
                               )
-                            )
-                            (i32.store
-                              (get_local $24)
-                              (tee_local $5
-                                (i32.add
-                                  (i32.load
-                                    (get_local $24)
+                              (get_local $19)
+                              (i32.gt_s
+                                (i32.shr_s
+                                  (i32.sub
+                                    (get_local $19)
+                                    (get_local $5)
                                   )
-                                  (get_local $9)
+                                  (i32.const 2)
                                 )
+                                (get_local $8)
                               )
                             )
-                            (if
-                              (i32.lt_s
-                                (get_local $5)
-                                (i32.const 0)
+                          )
+                          (i32.store
+                            (get_local $24)
+                            (tee_local $5
+                              (i32.add
+                                (i32.load
+                                  (get_local $24)
+                                )
+                                (get_local $9)
                               )
+                            )
+                          )
+                          (if
+                            (i32.lt_s
+                              (get_local $5)
+                              (i32.const 0)
+                            )
+                            (block
                               (set_local $19
                                 (get_local $6)
                               )
-                              (block
-                                (set_local $19
-                                  (get_local $6)
-                                )
-                                (br $while-out$76)
-                              )
+                              (br $while-in$77)
+                            )
+                            (set_local $19
+                              (get_local $6)
                             )
-                            (br $while-in$77)
                           )
                         )
                       )
@@ -5736,30 +5683,25 @@
                             )
                           )
                           (loop $while-in$85
-                            (block $while-out$84
-                              (set_local $6
-                                (i32.add
-                                  (get_local $6)
-                                  (i32.const 1)
-                                )
+                            (set_local $6
+                              (i32.add
+                                (get_local $6)
+                                (i32.const 1)
                               )
-                              (if
-                                (i32.lt_u
-                                  (get_local $5)
-                                  (tee_local $8
-                                    (i32.mul
-                                      (get_local $8)
-                                      (i32.const 10)
-                                    )
-                                  )
-                                )
-                                (block
-                                  (set_local $14
-                                    (get_local $6)
+                            )
+                            (if
+                              (i32.lt_u
+                                (get_local $5)
+                                (tee_local $8
+                                  (i32.mul
+                                    (get_local $8)
+                                    (i32.const 10)
                                   )
-                                  (br $while-out$84)
                                 )
                               )
+                              (set_local $14
+                                (get_local $6)
+                              )
                               (br $while-in$85)
                             )
                           )
@@ -5869,29 +5811,24 @@
                                 (i32.const 10)
                               )
                               (loop $while-in$87
-                                (block $while-out$86
-                                  (set_local $5
-                                    (i32.mul
-                                      (get_local $5)
-                                      (i32.const 10)
-                                    )
+                                (set_local $5
+                                  (i32.mul
+                                    (get_local $5)
+                                    (i32.const 10)
                                   )
-                                  (if
-                                    (i32.eq
-                                      (tee_local $13
-                                        (i32.add
-                                          (get_local $13)
-                                          (i32.const 1)
-                                        )
-                                      )
-                                      (i32.const 9)
-                                    )
-                                    (block
-                                      (set_local $12
-                                        (get_local $5)
+                                )
+                                (if
+                                  (i32.eq
+                                    (tee_local $13
+                                      (i32.add
+                                        (get_local $13)
+                                        (i32.const 1)
                                       )
-                                      (br $while-out$86)
                                     )
+                                    (i32.const 9)
+                                  )
+                                  (set_local $12
+                                    (get_local $5)
                                   )
                                   (br $while-in$87)
                                 )
@@ -6036,55 +5973,52 @@
                                     (i32.const 999999999)
                                   )
                                   (loop $while-in$93
-                                    (block $while-out$92
-                                      (i32.store
-                                        (get_local $6)
-                                        (i32.const 0)
-                                      )
-                                      (set_local $7
-                                        (if
-                                          (i32.lt_u
-                                            (tee_local $6
-                                              (i32.add
-                                                (get_local $6)
-                                                (i32.const -4)
-                                              )
+                                    (i32.store
+                                      (get_local $6)
+                                      (i32.const 0)
+                                    )
+                                    (set_local $7
+                                      (if
+                                        (i32.lt_u
+                                          (tee_local $6
+                                            (i32.add
+                                              (get_local $6)
+                                              (i32.const -4)
                                             )
-                                            (get_local $7)
                                           )
-                                          (block
-                                            (i32.store
-                                              (tee_local $5
-                                                (i32.add
-                                                  (get_local $7)
-                                                  (i32.const -4)
-                                                )
+                                          (get_local $7)
+                                        )
+                                        (block
+                                          (i32.store
+                                            (tee_local $5
+                                              (i32.add
+                                                (get_local $7)
+                                                (i32.const -4)
                                               )
-                                              (i32.const 0)
                                             )
-                                            (get_local $5)
+                                            (i32.const 0)
                                           )
-                                          (get_local $7)
+                                          (get_local $5)
                                         )
+                                        (get_local $7)
                                       )
-                                      (i32.store
-                                        (get_local $6)
-                                        (tee_local $5
-                                          (i32.add
-                                            (i32.load
-                                              (get_local $6)
-                                            )
-                                            (i32.const 1)
+                                    )
+                                    (i32.store
+                                      (get_local $6)
+                                      (tee_local $5
+                                        (i32.add
+                                          (i32.load
+                                            (get_local $6)
                                           )
+                                          (i32.const 1)
                                         )
                                       )
-                                      (br_if $while-out$92
-                                        (i32.le_u
-                                          (get_local $5)
-                                          (i32.const 999999999)
-                                        )
+                                    )
+                                    (br_if $while-in$93
+                                      (i32.gt_u
+                                        (get_local $5)
+                                        (i32.const 999999999)
                                       )
-                                      (br $while-in$93)
                                     )
                                   )
                                 )
@@ -6120,30 +6054,25 @@
                                   )
                                 )
                                 (loop $while-in$95
-                                  (block $while-out$94
-                                    (set_local $13
-                                      (i32.add
-                                        (get_local $13)
-                                        (i32.const 1)
-                                      )
+                                  (set_local $13
+                                    (i32.add
+                                      (get_local $13)
+                                      (i32.const 1)
                                     )
-                                    (if
-                                      (i32.lt_u
-                                        (get_local $5)
-                                        (tee_local $9
-                                          (i32.mul
-                                            (get_local $9)
-                                            (i32.const 10)
-                                          )
-                                        )
-                                      )
-                                      (block
-                                        (set_local $14
-                                          (get_local $13)
+                                  )
+                                  (if
+                                    (i32.lt_u
+                                      (get_local $5)
+                                      (tee_local $9
+                                        (i32.mul
+                                          (get_local $9)
+                                          (i32.const 10)
                                         )
-                                        (br $while-out$94)
                                       )
                                     )
+                                    (set_local $14
+                                      (get_local $13)
+                                    )
                                     (br $while-in$95)
                                   )
                                 )
@@ -6214,13 +6143,14 @@
                             (set_local $19
                               (get_local $6)
                             )
-                            (br $while-out$96)
                           )
-                          (set_local $6
-                            (get_local $5)
+                          (block
+                            (set_local $6
+                              (get_local $5)
+                            )
+                            (br $while-in$97)
                           )
                         )
-                        (br $while-in$97)
                       )
                     )
                     (set_local $8
@@ -6345,14 +6275,14 @@
                                     )
                                   )
                                   (loop $while-in$103
-                                    (block $while-out$102
-                                      (set_local $6
-                                        (i32.add
-                                          (get_local $6)
-                                          (i32.const 1)
-                                        )
+                                    (set_local $6
+                                      (i32.add
+                                        (get_local $6)
+                                        (i32.const 1)
                                       )
-                                      (br_if $while-out$102
+                                    )
+                                    (br_if $while-in$103
+                                      (i32.eqz
                                         (i32.and
                                           (call_import $i32u-rem
                                             (get_local $1)
@@ -6366,7 +6296,6 @@
                                           (i32.const -1)
                                         )
                                       )
-                                      (br $while-in$103)
                                     )
                                   )
                                 )
@@ -6547,26 +6476,23 @@
                               (i32.const 2)
                             )
                             (loop $while-in$105
-                              (block $while-out$104
-                                (i32.store8
-                                  (tee_local $5
-                                    (i32.add
-                                      (get_local $5)
-                                      (i32.const -1)
-                                    )
+                              (i32.store8
+                                (tee_local $5
+                                  (i32.add
+                                    (get_local $5)
+                                    (i32.const -1)
                                   )
-                                  (i32.const 48)
                                 )
-                                (br_if $while-out$104
-                                  (i32.ge_s
-                                    (i32.sub
-                                      (get_local $38)
-                                      (get_local $5)
-                                    )
-                                    (i32.const 2)
+                                (i32.const 48)
+                              )
+                              (br_if $while-in$105
+                                (i32.lt_s
+                                  (i32.sub
+                                    (get_local $38)
+                                    (get_local $5)
                                   )
+                                  (i32.const 2)
                                 )
-                                (br $while-in$105)
                               )
                             )
                           )
@@ -6676,103 +6602,95 @@
                             )
                           )
                           (loop $while-in$109
-                            (block $while-out$108
-                              (set_local $5
-                                (call $_fmt_u
-                                  (i32.load
-                                    (get_local $7)
-                                  )
-                                  (i32.const 0)
-                                  (get_local $43)
+                            (set_local $5
+                              (call $_fmt_u
+                                (i32.load
+                                  (get_local $7)
                                 )
+                                (i32.const 0)
+                                (get_local $43)
                               )
-                              (block $do-once$110
-                                (if
-                                  (i32.eq
-                                    (get_local $7)
-                                    (get_local $8)
+                            )
+                            (block $do-once$110
+                              (if
+                                (i32.eq
+                                  (get_local $7)
+                                  (get_local $8)
+                                )
+                                (block
+                                  (br_if $do-once$110
+                                    (i32.ne
+                                      (get_local $5)
+                                      (get_local $43)
+                                    )
                                   )
-                                  (block
-                                    (br_if $do-once$110
-                                      (i32.ne
-                                        (get_local $5)
-                                        (get_local $43)
-                                      )
+                                  (i32.store8
+                                    (get_local $52)
+                                    (i32.const 48)
+                                  )
+                                  (set_local $5
+                                    (get_local $52)
+                                  )
+                                )
+                                (block
+                                  (br_if $do-once$110
+                                    (i32.le_u
+                                      (get_local $5)
+                                      (get_local $27)
                                     )
+                                  )
+                                  (loop $while-in$113
                                     (i32.store8
-                                      (get_local $52)
+                                      (tee_local $5
+                                        (i32.add
+                                          (get_local $5)
+                                          (i32.const -1)
+                                        )
+                                      )
                                       (i32.const 48)
                                     )
-                                    (set_local $5
-                                      (get_local $52)
-                                    )
-                                  )
-                                  (block
-                                    (br_if $do-once$110
-                                      (i32.le_u
+                                    (br_if $while-in$113
+                                      (i32.gt_u
                                         (get_local $5)
                                         (get_local $27)
                                       )
                                     )
-                                    (loop $while-in$113
-                                      (block $while-out$112
-                                        (i32.store8
-                                          (tee_local $5
-                                            (i32.add
-                                              (get_local $5)
-                                              (i32.const -1)
-                                            )
-                                          )
-                                          (i32.const 48)
-                                        )
-                                        (br_if $while-out$112
-                                          (i32.le_u
-                                            (get_local $5)
-                                            (get_local $27)
-                                          )
-                                        )
-                                        (br $while-in$113)
-                                      )
-                                    )
                                   )
                                 )
                               )
-                              (if
-                                (i32.eqz
-                                  (i32.and
-                                    (i32.load
-                                      (get_local $0)
-                                    )
-                                    (i32.const 32)
-                                  )
-                                )
-                                (drop
-                                  (call $___fwritex
-                                    (get_local $5)
-                                    (i32.sub
-                                      (get_local $74)
-                                      (get_local $5)
-                                    )
+                            )
+                            (if
+                              (i32.eqz
+                                (i32.and
+                                  (i32.load
                                     (get_local $0)
                                   )
+                                  (i32.const 32)
                                 )
                               )
-                              (if
-                                (i32.gt_u
-                                  (tee_local $7
-                                    (i32.add
-                                      (get_local $7)
-                                      (i32.const 4)
-                                    )
+                              (drop
+                                (call $___fwritex
+                                  (get_local $5)
+                                  (i32.sub
+                                    (get_local $74)
+                                    (get_local $5)
                                   )
-                                  (get_local $10)
+                                  (get_local $0)
                                 )
-                                (block
-                                  (set_local $5
+                              )
+                            )
+                            (if
+                              (i32.gt_u
+                                (tee_local $7
+                                  (i32.add
                                     (get_local $7)
+                                    (i32.const 4)
                                   )
-                                  (br $while-out$108)
                                 )
+                                (get_local $10)
+                              )
+                              (set_local $5
+                                (get_local $7)
                               )
                               (br $while-in$109)
                             )
@@ -6815,98 +6733,92 @@
                               )
                             )
                             (loop $while-in$117
-                              (block $while-out$116
-                                (if
-                                  (i32.gt_u
-                                    (tee_local $1
-                                      (call $_fmt_u
-                                        (i32.load
-                                          (get_local $5)
-                                        )
-                                        (i32.const 0)
-                                        (get_local $43)
+                              (if
+                                (i32.gt_u
+                                  (tee_local $1
+                                    (call $_fmt_u
+                                      (i32.load
+                                        (get_local $5)
                                       )
+                                      (i32.const 0)
+                                      (get_local $43)
                                     )
-                                    (get_local $27)
                                   )
-                                  (loop $while-in$119
-                                    (block $while-out$118
-                                      (i32.store8
-                                        (tee_local $1
-                                          (i32.add
-                                            (get_local $1)
-                                            (i32.const -1)
-                                          )
-                                        )
-                                        (i32.const 48)
-                                      )
-                                      (br_if $while-out$118
-                                        (i32.le_u
-                                          (get_local $1)
-                                          (get_local $27)
-                                        )
+                                  (get_local $27)
+                                )
+                                (loop $while-in$119
+                                  (i32.store8
+                                    (tee_local $1
+                                      (i32.add
+                                        (get_local $1)
+                                        (i32.const -1)
                                       )
-                                      (br $while-in$119)
+                                    )
+                                    (i32.const 48)
+                                  )
+                                  (br_if $while-in$119
+                                    (i32.gt_u
+                                      (get_local $1)
+                                      (get_local $27)
                                     )
                                   )
                                 )
-                                (if
-                                  (i32.eqz
-                                    (i32.and
-                                      (i32.load
-                                        (get_local $0)
-                                      )
-                                      (i32.const 32)
+                              )
+                              (if
+                                (i32.eqz
+                                  (i32.and
+                                    (i32.load
+                                      (get_local $0)
                                     )
+                                    (i32.const 32)
                                   )
-                                  (drop
-                                    (call $___fwritex
-                                      (get_local $1)
-                                      (select
-                                        (i32.const 9)
+                                )
+                                (drop
+                                  (call $___fwritex
+                                    (get_local $1)
+                                    (select
+                                      (i32.const 9)
+                                      (get_local $12)
+                                      (i32.gt_s
                                         (get_local $12)
-                                        (i32.gt_s
-                                          (get_local $12)
-                                          (i32.const 9)
-                                        )
+                                        (i32.const 9)
                                       )
-                                      (get_local $0)
                                     )
+                                    (get_local $0)
                                   )
                                 )
-                                (set_local $1
-                                  (i32.add
+                              )
+                              (set_local $1
+                                (i32.add
+                                  (get_local $12)
+                                  (i32.const -9)
+                                )
+                              )
+                              (if
+                                (i32.and
+                                  (i32.gt_s
                                     (get_local $12)
-                                    (i32.const -9)
+                                    (i32.const 9)
                                   )
-                                )
-                                (if
-                                  (i32.and
-                                    (i32.gt_s
-                                      (get_local $12)
-                                      (i32.const 9)
-                                    )
-                                    (i32.lt_u
-                                      (tee_local $5
-                                        (i32.add
-                                          (get_local $5)
-                                          (i32.const 4)
-                                        )
+                                  (i32.lt_u
+                                    (tee_local $5
+                                      (i32.add
+                                        (get_local $5)
+                                        (i32.const 4)
                                       )
-                                      (get_local $19)
                                     )
+                                    (get_local $19)
                                   )
+                                )
+                                (block
                                   (set_local $12
                                     (get_local $1)
                                   )
-                                  (block
-                                    (set_local $12
-                                      (get_local $1)
-                                    )
-                                    (br $while-out$116)
-                                  )
+                                  (br $while-in$117)
+                                )
+                                (set_local $12
+                                  (get_local $1)
                                 )
-                                (br $while-in$117)
                               )
                             )
                           )
@@ -6947,71 +6859,45 @@
                                 (get_local $7)
                               )
                               (loop $while-in$121
-                                (block $while-out$120
-                                  (set_local $8
-                                    (if
-                                      (i32.eq
-                                        (tee_local $1
-                                          (call $_fmt_u
-                                            (i32.load
-                                              (get_local $5)
-                                            )
-                                            (i32.const 0)
-                                            (get_local $43)
+                                (set_local $8
+                                  (if
+                                    (i32.eq
+                                      (tee_local $1
+                                        (call $_fmt_u
+                                          (i32.load
+                                            (get_local $5)
                                           )
+                                          (i32.const 0)
+                                          (get_local $43)
                                         )
-                                        (get_local $43)
                                       )
-                                      (block
-                                        (i32.store8
-                                          (get_local $52)
-                                          (i32.const 48)
-                                        )
+                                      (get_local $43)
+                                    )
+                                    (block
+                                      (i32.store8
                                         (get_local $52)
+                                        (i32.const 48)
                                       )
-                                      (get_local $1)
+                                      (get_local $52)
                                     )
+                                    (get_local $1)
                                   )
-                                  (block $do-once$122
-                                    (if
-                                      (i32.eq
-                                        (get_local $5)
-                                        (get_local $7)
-                                      )
-                                      (block
-                                        (set_local $1
-                                          (i32.add
-                                            (get_local $8)
-                                            (i32.const 1)
-                                          )
-                                        )
-                                        (if
-                                          (i32.eqz
-                                            (i32.and
-                                              (i32.load
-                                                (get_local $0)
-                                              )
-                                              (i32.const 32)
-                                            )
-                                          )
-                                          (drop
-                                            (call $___fwritex
-                                              (get_local $8)
-                                              (i32.const 1)
-                                              (get_local $0)
-                                            )
-                                          )
-                                        )
-                                        (br_if $do-once$122
-                                          (i32.and
-                                            (get_local $10)
-                                            (i32.lt_s
-                                              (get_local $12)
-                                              (i32.const 1)
-                                            )
-                                          )
+                                )
+                                (block $do-once$122
+                                  (if
+                                    (i32.eq
+                                      (get_local $5)
+                                      (get_local $7)
+                                    )
+                                    (block
+                                      (set_local $1
+                                        (i32.add
+                                          (get_local $8)
+                                          (i32.const 1)
                                         )
-                                        (br_if $do-once$122
+                                      )
+                                      (if
+                                        (i32.eqz
                                           (i32.and
                                             (i32.load
                                               (get_local $0)
@@ -7021,106 +6907,124 @@
                                         )
                                         (drop
                                           (call $___fwritex
-                                            (i32.const 4143)
+                                            (get_local $8)
                                             (i32.const 1)
                                             (get_local $0)
                                           )
                                         )
                                       )
-                                      (block
-                                        (if
-                                          (i32.gt_u
-                                            (get_local $8)
-                                            (get_local $27)
+                                      (br_if $do-once$122
+                                        (i32.and
+                                          (get_local $10)
+                                          (i32.lt_s
+                                            (get_local $12)
+                                            (i32.const 1)
+                                          )
+                                        )
+                                      )
+                                      (br_if $do-once$122
+                                        (i32.and
+                                          (i32.load
+                                            (get_local $0)
                                           )
+                                          (i32.const 32)
+                                        )
+                                      )
+                                      (drop
+                                        (call $___fwritex
+                                          (i32.const 4143)
+                                          (i32.const 1)
+                                          (get_local $0)
+                                        )
+                                      )
+                                    )
+                                    (block
+                                      (if
+                                        (i32.gt_u
+                                          (get_local $8)
+                                          (get_local $27)
+                                        )
+                                        (set_local $1
+                                          (get_local $8)
+                                        )
+                                        (block
                                           (set_local $1
                                             (get_local $8)
                                           )
-                                          (block
-                                            (set_local $1
-                                              (get_local $8)
+                                          (br $do-once$122)
+                                        )
+                                      )
+                                      (loop $while-in$125
+                                        (i32.store8
+                                          (tee_local $1
+                                            (i32.add
+                                              (get_local $1)
+                                              (i32.const -1)
                                             )
-                                            (br $do-once$122)
                                           )
+                                          (i32.const 48)
                                         )
-                                        (loop $while-in$125
-                                          (block $while-out$124
-                                            (i32.store8
-                                              (tee_local $1
-                                                (i32.add
-                                                  (get_local $1)
-                                                  (i32.const -1)
-                                                )
-                                              )
-                                              (i32.const 48)
-                                            )
-                                            (br_if $while-out$124
-                                              (i32.le_u
-                                                (get_local $1)
-                                                (get_local $27)
-                                              )
-                                            )
-                                            (br $while-in$125)
+                                        (br_if $while-in$125
+                                          (i32.gt_u
+                                            (get_local $1)
+                                            (get_local $27)
                                           )
                                         )
                                       )
                                     )
                                   )
-                                  (set_local $8
-                                    (i32.sub
-                                      (get_local $74)
-                                      (get_local $1)
-                                    )
+                                )
+                                (set_local $8
+                                  (i32.sub
+                                    (get_local $74)
+                                    (get_local $1)
                                   )
-                                  (if
-                                    (i32.eqz
-                                      (i32.and
-                                        (i32.load
-                                          (get_local $0)
-                                        )
-                                        (i32.const 32)
+                                )
+                                (if
+                                  (i32.eqz
+                                    (i32.and
+                                      (i32.load
+                                        (get_local $0)
                                       )
+                                      (i32.const 32)
                                     )
-                                    (drop
-                                      (call $___fwritex
-                                        (get_local $1)
-                                        (select
-                                          (get_local $8)
+                                  )
+                                  (drop
+                                    (call $___fwritex
+                                      (get_local $1)
+                                      (select
+                                        (get_local $8)
+                                        (get_local $12)
+                                        (i32.gt_s
                                           (get_local $12)
-                                          (i32.gt_s
-                                            (get_local $12)
-                                            (get_local $8)
-                                          )
+                                          (get_local $8)
                                         )
-                                        (get_local $0)
                                       )
+                                      (get_local $0)
                                     )
                                   )
-                                  (br_if $while-out$120
-                                    (i32.eqz
-                                      (i32.and
-                                        (i32.lt_u
-                                          (tee_local $5
-                                            (i32.add
-                                              (get_local $5)
-                                              (i32.const 4)
-                                            )
-                                          )
-                                          (get_local $13)
+                                )
+                                (br_if $while-in$121
+                                  (i32.and
+                                    (i32.lt_u
+                                      (tee_local $5
+                                        (i32.add
+                                          (get_local $5)
+                                          (i32.const 4)
                                         )
-                                        (i32.gt_s
-                                          (tee_local $12
-                                            (i32.sub
-                                              (get_local $12)
-                                              (get_local $8)
-                                            )
-                                          )
-                                          (i32.const -1)
+                                      )
+                                      (get_local $13)
+                                    )
+                                    (i32.gt_s
+                                      (tee_local $12
+                                        (i32.sub
+                                          (get_local $12)
+                                          (get_local $8)
                                         )
                                       )
+                                      (i32.const -1)
                                     )
                                   )
-                                  (br $while-in$121)
                                 )
                               )
                             )
@@ -7369,34 +7273,34 @@
                       (get_local $26)
                     )
                     (loop $while-in$130
-                      (block $while-out$129
-                        (i32.store8
-                          (tee_local $6
-                            (i32.add
-                              (get_local $6)
-                              (i32.const -1)
-                            )
+                      (i32.store8
+                        (tee_local $6
+                          (i32.add
+                            (get_local $6)
+                            (i32.const -1)
                           )
-                          (i32.and
-                            (i32.or
-                              (i32.and
-                                (i32.load8_s
-                                  (i32.add
-                                    (i32.and
-                                      (get_local $5)
-                                      (i32.const 15)
-                                    )
-                                    (i32.const 4075)
+                        )
+                        (i32.and
+                          (i32.or
+                            (i32.and
+                              (i32.load8_s
+                                (i32.add
+                                  (i32.and
+                                    (get_local $5)
+                                    (i32.const 15)
                                   )
+                                  (i32.const 4075)
                                 )
-                                (i32.const 255)
                               )
-                              (get_local $7)
+                              (i32.const 255)
                             )
-                            (i32.const 255)
+                            (get_local $7)
                           )
+                          (i32.const 255)
                         )
-                        (br_if $while-out$129
+                      )
+                      (br_if $while-in$130
+                        (i32.eqz
                           (i32.and
                             (i32.eqz
                               (tee_local $5
@@ -7414,7 +7318,6 @@
                             )
                           )
                         )
-                        (br $while-in$130)
                       )
                     )
                     (if
@@ -7636,17 +7539,16 @@
                               )
                             )
                           )
-                          (set_local $7
-                            (get_local $1)
-                          )
                           (block
                             (set_local $7
                               (get_local $1)
                             )
-                            (br $while-out$131)
+                            (br $while-in$132)
+                          )
+                          (set_local $7
+                            (get_local $1)
                           )
                         )
-                        (br $while-in$132)
                       )
                     )
                     (if
@@ -7680,92 +7582,91 @@
                           )
                         )
                         (loop $while-in$134
-                          (block $while-out$133
-                            (if
-                              (i32.eqz
-                                (tee_local $1
-                                  (i32.load
-                                    (get_local $8)
-                                  )
-                                )
-                              )
-                              (block
-                                (set_local $36
-                                  (get_local $7)
-                                )
-                                (set_local $11
-                                  (i32.const 98)
+                          (if
+                            (i32.eqz
+                              (tee_local $1
+                                (i32.load
+                                  (get_local $8)
                                 )
-                                (br $label$break$L308)
                               )
                             )
-                            (set_local $8
-                              (i32.add
-                                (get_local $8)
-                                (i32.const 4)
+                            (block
+                              (set_local $36
+                                (get_local $7)
                               )
+                              (set_local $11
+                                (i32.const 98)
+                              )
+                              (br $label$break$L308)
                             )
-                            (if
-                              (i32.gt_s
-                                (tee_local $1
-                                  (i32.add
-                                    (tee_local $5
-                                      (call $_wctomb
-                                        (get_local $62)
-                                        (get_local $1)
-                                      )
+                          )
+                          (set_local $8
+                            (i32.add
+                              (get_local $8)
+                              (i32.const 4)
+                            )
+                          )
+                          (if
+                            (i32.gt_s
+                              (tee_local $1
+                                (i32.add
+                                  (tee_local $5
+                                    (call $_wctomb
+                                      (get_local $62)
+                                      (get_local $1)
                                     )
-                                    (get_local $6)
                                   )
+                                  (get_local $6)
                                 )
+                              )
+                              (get_local $7)
+                            )
+                            (block
+                              (set_local $36
                                 (get_local $7)
                               )
-                              (block
-                                (set_local $36
-                                  (get_local $7)
-                                )
-                                (set_local $11
-                                  (i32.const 98)
-                                )
-                                (br $label$break$L308)
+                              (set_local $11
+                                (i32.const 98)
                               )
+                              (br $label$break$L308)
                             )
-                            (if
-                              (i32.eqz
-                                (i32.and
-                                  (i32.load
-                                    (get_local $0)
-                                  )
-                                  (i32.const 32)
-                                )
-                              )
-                              (drop
-                                (call $___fwritex
-                                  (get_local $62)
-                                  (get_local $5)
+                          )
+                          (if
+                            (i32.eqz
+                              (i32.and
+                                (i32.load
                                   (get_local $0)
                                 )
+                                (i32.const 32)
                               )
                             )
-                            (if
-                              (i32.lt_u
-                                (get_local $1)
-                                (get_local $7)
+                            (drop
+                              (call $___fwritex
+                                (get_local $62)
+                                (get_local $5)
+                                (get_local $0)
                               )
+                            )
+                          )
+                          (if
+                            (i32.lt_u
+                              (get_local $1)
+                              (get_local $7)
+                            )
+                            (block
                               (set_local $6
                                 (get_local $1)
                               )
-                              (block
-                                (set_local $36
-                                  (get_local $7)
-                                )
-                                (set_local $11
-                                  (i32.const 98)
-                                )
-                                (br $while-out$133)
+                              (br $while-in$134)
+                            )
+                            (block
+                              (set_local $36
+                                (get_local $7)
+                              )
+                              (set_local $11
+                                (i32.const 98)
                               )
                             )
-                            (br $while-in$134)
                           )
                         )
                       )
@@ -8085,7 +7986,7 @@
                     (get_local $2)
                   )
                   (if
-                    (i32.ge_s
+                    (i32.lt_s
                       (tee_local $1
                         (i32.add
                           (get_local $1)
@@ -8094,6 +7995,7 @@
                       )
                       (i32.const 10)
                     )
+                    (br $while-in$137)
                     (block
                       (set_local $23
                         (i32.const 1)
@@ -8101,7 +8003,6 @@
                       (br $label$break$L343)
                     )
                   )
-                  (br $while-in$137)
                 )
               )
               (if
@@ -8110,46 +8011,43 @@
                   (i32.const 10)
                 )
                 (loop $while-in$139
-                  (block $while-out$138
-                    (set_local $0
-                      (i32.add
-                        (get_local $1)
-                        (i32.const 1)
-                      )
+                  (set_local $0
+                    (i32.add
+                      (get_local $1)
+                      (i32.const 1)
                     )
-                    (if
-                      (i32.load
-                        (i32.add
-                          (get_local $4)
-                          (i32.shl
-                            (get_local $1)
-                            (i32.const 2)
-                          )
-                        )
-                      )
-                      (block
-                        (set_local $23
-                          (i32.const -1)
+                  )
+                  (if
+                    (i32.load
+                      (i32.add
+                        (get_local $4)
+                        (i32.shl
+                          (get_local $1)
+                          (i32.const 2)
                         )
-                        (br $label$break$L343)
                       )
                     )
-                    (if
-                      (i32.lt_s
-                        (get_local $0)
-                        (i32.const 10)
+                    (block
+                      (set_local $23
+                        (i32.const -1)
                       )
+                      (br $label$break$L343)
+                    )
+                  )
+                  (if
+                    (i32.lt_s
+                      (get_local $0)
+                      (i32.const 10)
+                    )
+                    (block
                       (set_local $1
                         (get_local $0)
                       )
-                      (block
-                        (set_local $23
-                          (i32.const 1)
-                        )
-                        (br $while-out$138)
-                      )
+                      (br $while-in$139)
+                    )
+                    (set_local $23
+                      (i32.const 1)
                     )
-                    (br $while-in$139)
                   )
                 )
                 (set_local $23
@@ -8601,69 +8499,66 @@
             (get_local $1)
           )
           (loop $while-in$1
-            (block $while-out$0
-              (set_local $0
-                (call $___uremdi3
-                  (get_local $3)
-                  (get_local $4)
-                  (i32.const 10)
-                  (i32.const 0)
-                )
+            (set_local $0
+              (call $___uremdi3
+                (get_local $3)
+                (get_local $4)
+                (i32.const 10)
+                (i32.const 0)
               )
-              (i32.store8
-                (tee_local $2
-                  (i32.add
-                    (get_local $2)
-                    (i32.const -1)
-                  )
-                )
-                (i32.and
-                  (i32.or
-                    (get_local $0)
-                    (i32.const 48)
-                  )
-                  (i32.const 255)
+            )
+            (i32.store8
+              (tee_local $2
+                (i32.add
+                  (get_local $2)
+                  (i32.const -1)
                 )
               )
-              (set_local $0
-                (call $___udivdi3
-                  (get_local $3)
-                  (get_local $4)
-                  (i32.const 10)
-                  (i32.const 0)
+              (i32.and
+                (i32.or
+                  (get_local $0)
+                  (i32.const 48)
                 )
+                (i32.const 255)
               )
-              (set_local $1
-                (get_global $tempRet0)
+            )
+            (set_local $0
+              (call $___udivdi3
+                (get_local $3)
+                (get_local $4)
+                (i32.const 10)
+                (i32.const 0)
               )
-              (if
-                (i32.or
-                  (i32.gt_u
+            )
+            (set_local $1
+              (get_global $tempRet0)
+            )
+            (if
+              (i32.or
+                (i32.gt_u
+                  (get_local $4)
+                  (i32.const 9)
+                )
+                (i32.and
+                  (i32.eq
                     (get_local $4)
                     (i32.const 9)
                   )
-                  (i32.and
-                    (i32.eq
-                      (get_local $4)
-                      (i32.const 9)
-                    )
-                    (i32.gt_u
-                      (get_local $3)
-                      (i32.const -1)
-                    )
+                  (i32.gt_u
+                    (get_local $3)
+                    (i32.const -1)
                   )
                 )
-                (block
-                  (set_local $3
-                    (get_local $0)
-                  )
-                  (set_local $4
-                    (get_local $1)
-                  )
+              )
+              (block
+                (set_local $3
+                  (get_local $0)
+                )
+                (set_local $4
+                  (get_local $1)
                 )
-                (br $while-out$0)
+                (br $while-in$1)
               )
-              (br $while-in$1)
             )
           )
           (set_local $3
@@ -8686,53 +8581,50 @@
           (get_local $0)
         )
         (loop $while-in$3
-          (block $while-out$2
-            (i32.store8
-              (tee_local $1
-                (i32.add
-                  (get_local $1)
-                  (i32.const -1)
-                )
-              )
-              (i32.and
-                (i32.or
-                  (i32.and
-                    (call_import $i32u-rem
-                      (get_local $3)
-                      (i32.const 10)
-                    )
-                    (i32.const -1)
-                  )
-                  (i32.const 48)
-                )
-                (i32.const 255)
+          (i32.store8
+            (tee_local $1
+              (i32.add
+                (get_local $1)
+                (i32.const -1)
               )
             )
-            (set_local $0
-              (i32.and
-                (call_import $i32u-div
-                  (get_local $3)
-                  (i32.const 10)
+            (i32.and
+              (i32.or
+                (i32.and
+                  (call_import $i32u-rem
+                    (get_local $3)
+                    (i32.const 10)
+                  )
+                  (i32.const -1)
                 )
-                (i32.const -1)
+                (i32.const 48)
               )
+              (i32.const 255)
             )
-            (if
-              (i32.lt_u
+          )
+          (set_local $0
+            (i32.and
+              (call_import $i32u-div
                 (get_local $3)
                 (i32.const 10)
               )
-              (block
-                (set_local $0
-                  (get_local $1)
-                )
-                (br $while-out$2)
-              )
+              (i32.const -1)
+            )
+          )
+          (if
+            (i32.lt_u
+              (get_local $3)
+              (i32.const 10)
+            )
+            (set_local $0
+              (get_local $1)
+            )
+            (block
               (set_local $3
                 (get_local $0)
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
@@ -8827,44 +8719,41 @@
                 (get_local $7)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $4
-                    (i32.eqz
-                      (i32.and
-                        (tee_local $1
-                          (if
-                            (get_local $4)
-                            (block
-                              (drop
-                                (call $___fwritex
-                                  (get_local $5)
-                                  (i32.const 256)
-                                  (get_local $0)
-                                )
-                              )
-                              (i32.load
+                (set_local $4
+                  (i32.eqz
+                    (i32.and
+                      (tee_local $1
+                        (if
+                          (get_local $4)
+                          (block
+                            (drop
+                              (call $___fwritex
+                                (get_local $5)
+                                (i32.const 256)
                                 (get_local $0)
                               )
                             )
-                            (get_local $1)
+                            (i32.load
+                              (get_local $0)
+                            )
                           )
+                          (get_local $1)
                         )
-                        (i32.const 32)
                       )
+                      (i32.const 32)
                     )
                   )
-                  (br_if $while-out$2
-                    (i32.le_u
-                      (tee_local $3
-                        (i32.add
-                          (get_local $3)
-                          (i32.const -256)
-                        )
+                )
+                (br_if $while-in$3
+                  (i32.gt_u
+                    (tee_local $3
+                      (i32.add
+                        (get_local $3)
+                        (i32.const -256)
                       )
-                      (i32.const 255)
                     )
+                    (i32.const 255)
                   )
-                  (br $while-in$3)
                 )
               )
               (set_local $1
@@ -9750,50 +9639,47 @@
                           )
                         )
                         (loop $while-in$11
-                          (block $while-out$10
-                            (if
-                              (tee_local $2
-                                (i32.load
-                                  (tee_local $5
-                                    (i32.add
-                                      (get_local $4)
-                                      (i32.const 20)
-                                    )
+                          (if
+                            (tee_local $2
+                              (i32.load
+                                (tee_local $5
+                                  (i32.add
+                                    (get_local $4)
+                                    (i32.const 20)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $4
-                                  (get_local $2)
-                                )
-                                (set_local $7
-                                  (get_local $5)
-                                )
-                                (br $while-in$11)
+                            )
+                            (block
+                              (set_local $4
+                                (get_local $2)
                               )
+                              (set_local $7
+                                (get_local $5)
+                              )
+                              (br $while-in$11)
                             )
-                            (if
-                              (tee_local $2
-                                (i32.load
-                                  (tee_local $5
-                                    (i32.add
-                                      (get_local $4)
-                                      (i32.const 16)
-                                    )
+                          )
+                          (if
+                            (tee_local $2
+                              (i32.load
+                                (tee_local $5
+                                  (i32.add
+                                    (get_local $4)
+                                    (i32.const 16)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $4
-                                  (get_local $2)
-                                )
-                                (set_local $7
-                                  (get_local $5)
-                                )
+                            )
+                            (block
+                              (set_local $4
+                                (get_local $2)
                               )
-                              (br $while-out$10)
+                              (set_local $7
+                                (get_local $5)
+                              )
+                              (br $while-in$11)
                             )
-                            (br $while-in$11)
                           )
                         )
                         (if
@@ -10384,80 +10270,78 @@
                         (i32.const 0)
                       )
                       (loop $while-in$18
-                        (block $while-out$17
-                          (if
-                            (i32.lt_u
-                              (tee_local $16
-                                (i32.sub
-                                  (tee_local $3
-                                    (i32.and
-                                      (i32.load offset=4
-                                        (get_local $23)
-                                      )
-                                      (i32.const -8)
+                        (if
+                          (i32.lt_u
+                            (tee_local $16
+                              (i32.sub
+                                (tee_local $3
+                                  (i32.and
+                                    (i32.load offset=4
+                                      (get_local $23)
                                     )
+                                    (i32.const -8)
                                   )
-                                  (get_local $5)
                                 )
+                                (get_local $5)
                               )
-                              (get_local $8)
                             )
-                            (if
-                              (i32.eq
-                                (get_local $3)
-                                (get_local $5)
+                            (get_local $8)
+                          )
+                          (if
+                            (i32.eq
+                              (get_local $3)
+                              (get_local $5)
+                            )
+                            (block
+                              (set_local $25
+                                (get_local $16)
                               )
-                              (block
-                                (set_local $25
-                                  (get_local $16)
-                                )
-                                (set_local $24
-                                  (get_local $23)
-                                )
-                                (set_local $28
-                                  (get_local $23)
-                                )
-                                (set_local $11
-                                  (i32.const 90)
-                                )
-                                (br $label$break$L123)
+                              (set_local $24
+                                (get_local $23)
                               )
-                              (set_local $35
+                              (set_local $28
                                 (get_local $23)
                               )
+                              (set_local $11
+                                (i32.const 90)
+                              )
+                              (br $label$break$L123)
                             )
-                            (set_local $16
-                              (get_local $8)
+                            (set_local $35
+                              (get_local $23)
                             )
                           )
-                          (set_local $15
-                            (select
-                              (get_local $15)
-                              (tee_local $3
-                                (i32.load offset=20
-                                  (get_local $23)
-                                )
+                          (set_local $16
+                            (get_local $8)
+                          )
+                        )
+                        (set_local $15
+                          (select
+                            (get_local $15)
+                            (tee_local $3
+                              (i32.load offset=20
+                                (get_local $23)
                               )
-                              (i32.or
-                                (i32.eqz
-                                  (get_local $3)
-                                )
-                                (i32.eq
-                                  (get_local $3)
-                                  (tee_local $3
-                                    (i32.load
+                            )
+                            (i32.or
+                              (i32.eqz
+                                (get_local $3)
+                              )
+                              (i32.eq
+                                (get_local $3)
+                                (tee_local $3
+                                  (i32.load
+                                    (i32.add
                                       (i32.add
-                                        (i32.add
-                                          (get_local $23)
-                                          (i32.const 16)
-                                        )
-                                        (i32.shl
-                                          (i32.shr_u
-                                            (get_local $11)
-                                            (i32.const 31)
-                                          )
-                                          (i32.const 2)
+                                        (get_local $23)
+                                        (i32.const 16)
+                                      )
+                                      (i32.shl
+                                        (i32.shr_u
+                                          (get_local $11)
+                                          (i32.const 31)
                                         )
+                                        (i32.const 2)
                                       )
                                     )
                                   )
@@ -10465,49 +10349,48 @@
                               )
                             )
                           )
-                          (set_local $11
-                            (i32.shl
-                              (get_local $11)
-                              (i32.xor
-                                (i32.and
-                                  (tee_local $8
-                                    (i32.eqz
-                                      (get_local $3)
-                                    )
+                        )
+                        (set_local $11
+                          (i32.shl
+                            (get_local $11)
+                            (i32.xor
+                              (i32.and
+                                (tee_local $8
+                                  (i32.eqz
+                                    (get_local $3)
                                   )
-                                  (i32.const 1)
                                 )
                                 (i32.const 1)
                               )
+                              (i32.const 1)
                             )
                           )
-                          (if
-                            (get_local $8)
-                            (block
-                              (set_local $30
-                                (get_local $16)
-                              )
-                              (set_local $31
-                                (get_local $15)
-                              )
-                              (set_local $27
-                                (get_local $35)
-                              )
-                              (set_local $11
-                                (i32.const 86)
-                              )
-                              (br $while-out$17)
+                        )
+                        (if
+                          (get_local $8)
+                          (block
+                            (set_local $30
+                              (get_local $16)
                             )
-                            (block
-                              (set_local $8
-                                (get_local $16)
-                              )
-                              (set_local $23
-                                (get_local $3)
-                              )
+                            (set_local $31
+                              (get_local $15)
+                            )
+                            (set_local $27
+                              (get_local $35)
                             )
+                            (set_local $11
+                              (i32.const 86)
+                            )
+                          )
+                          (block
+                            (set_local $8
+                              (get_local $16)
+                            )
+                            (set_local $23
+                              (get_local $3)
+                            )
+                            (br $while-in$18)
                           )
-                          (br $while-in$18)
                         )
                       )
                     )
@@ -10701,84 +10584,79 @@
                     (i32.const 90)
                   )
                   (loop $while-in$20
-                    (block $while-out$19
-                      (set_local $11
-                        (i32.const 0)
-                      )
-                      (set_local $0
-                        (i32.lt_u
-                          (tee_local $3
-                            (i32.sub
-                              (i32.and
-                                (i32.load offset=4
-                                  (get_local $24)
-                                )
-                                (i32.const -8)
+                    (set_local $11
+                      (i32.const 0)
+                    )
+                    (set_local $0
+                      (i32.lt_u
+                        (tee_local $3
+                          (i32.sub
+                            (i32.and
+                              (i32.load offset=4
+                                (get_local $24)
                               )
-                              (get_local $5)
+                              (i32.const -8)
                             )
+                            (get_local $5)
                           )
-                          (get_local $25)
                         )
+                        (get_local $25)
                       )
-                      (set_local $17
-                        (select
-                          (get_local $3)
-                          (get_local $25)
-                          (get_local $0)
-                        )
+                    )
+                    (set_local $17
+                      (select
+                        (get_local $3)
+                        (get_local $25)
+                        (get_local $0)
                       )
-                      (set_local $3
-                        (select
+                    )
+                    (set_local $3
+                      (select
+                        (get_local $24)
+                        (get_local $28)
+                        (get_local $0)
+                      )
+                    )
+                    (if
+                      (tee_local $0
+                        (i32.load offset=16
                           (get_local $24)
-                          (get_local $28)
-                          (get_local $0)
                         )
                       )
-                      (if
-                        (tee_local $0
-                          (i32.load offset=16
-                            (get_local $24)
-                          )
+                      (block
+                        (set_local $25
+                          (get_local $17)
                         )
-                        (block
-                          (set_local $25
-                            (get_local $17)
-                          )
-                          (set_local $24
-                            (get_local $0)
-                          )
-                          (set_local $28
-                            (get_local $3)
-                          )
-                          (br $while-in$20)
+                        (set_local $24
+                          (get_local $0)
+                        )
+                        (set_local $28
+                          (get_local $3)
                         )
+                        (br $while-in$20)
                       )
-                      (if
-                        (tee_local $0
-                          (i32.load offset=20
-                            (get_local $24)
-                          )
+                    )
+                    (if
+                      (tee_local $0
+                        (i32.load offset=20
+                          (get_local $24)
                         )
-                        (block
-                          (set_local $25
-                            (get_local $17)
-                          )
-                          (set_local $24
-                            (get_local $0)
-                          )
-                          (set_local $28
-                            (get_local $3)
-                          )
+                      )
+                      (block
+                        (set_local $25
+                          (get_local $17)
                         )
-                        (block
-                          (set_local $13
-                            (get_local $3)
-                          )
-                          (br $while-out$19)
+                        (set_local $24
+                          (get_local $0)
+                        )
+                        (set_local $28
+                          (get_local $3)
                         )
+                        (br $while-in$20)
+                      )
+                      (set_local $13
+                        (get_local $3)
                       )
-                      (br $while-in$20)
                     )
                   )
                 )
@@ -10871,50 +10749,47 @@
                               )
                             )
                             (loop $while-in$24
-                              (block $while-out$23
-                                (if
-                                  (tee_local $2
-                                    (i32.load
-                                      (tee_local $8
-                                        (i32.add
-                                          (get_local $7)
-                                          (i32.const 20)
-                                        )
+                              (if
+                                (tee_local $2
+                                  (i32.load
+                                    (tee_local $8
+                                      (i32.add
+                                        (get_local $7)
+                                        (i32.const 20)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $7
-                                      (get_local $2)
-                                    )
-                                    (set_local $9
-                                      (get_local $8)
-                                    )
-                                    (br $while-in$24)
+                                )
+                                (block
+                                  (set_local $7
+                                    (get_local $2)
+                                  )
+                                  (set_local $9
+                                    (get_local $8)
                                   )
+                                  (br $while-in$24)
                                 )
-                                (if
-                                  (tee_local $2
-                                    (i32.load
-                                      (tee_local $8
-                                        (i32.add
-                                          (get_local $7)
-                                          (i32.const 16)
-                                        )
+                              )
+                              (if
+                                (tee_local $2
+                                  (i32.load
+                                    (tee_local $8
+                                      (i32.add
+                                        (get_local $7)
+                                        (i32.const 16)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $7
-                                      (get_local $2)
-                                    )
-                                    (set_local $9
-                                      (get_local $8)
-                                    )
+                                )
+                                (block
+                                  (set_local $7
+                                    (get_local $2)
+                                  )
+                                  (set_local $9
+                                    (get_local $8)
                                   )
-                                  (br $while-out$23)
+                                  (br $while-in$24)
                                 )
-                                (br $while-in$24)
                               )
                             )
                             (if
@@ -11553,6 +11428,7 @@
                                     (set_local $2
                                       (get_local $0)
                                     )
+                                    (br $while-in$32)
                                   )
                                   (block
                                     (set_local $41
@@ -11564,10 +11440,8 @@
                                     (set_local $11
                                       (i32.const 145)
                                     )
-                                    (br $while-out$31)
                                   )
                                 )
-                                (br $while-in$32)
                               )
                             )
                             (if
@@ -12038,8 +11912,11 @@
                                 (get_local $16)
                               )
                             )
-                            (set_local $16
-                              (get_local $4)
+                            (block
+                              (set_local $16
+                                (get_local $4)
+                              )
+                              (br $while-in$38)
                             )
                             (block
                               (set_local $11
@@ -12048,7 +11925,6 @@
                               (br $label$break$L259)
                             )
                           )
-                          (br $while-in$38)
                         )
                       )
                       (if
@@ -12504,12 +12380,13 @@
                         (get_local $8)
                       )
                     )
-                    (set_local $8
-                      (get_local $4)
+                    (block
+                      (set_local $8
+                        (get_local $4)
+                      )
+                      (br $while-in$49)
                     )
-                    (br $while-out$48)
                   )
-                  (br $while-in$49)
                 )
               )
               (if
@@ -12667,21 +12544,16 @@
                     )
                   )
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=8
-                          (get_local $1)
-                        )
+                    (tee_local $1
+                      (i32.load offset=8
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $26
-                        (i32.const 624)
-                      )
-                      (br $while-out$50)
+                    (br $while-in$51)
+                    (set_local $26
+                      (i32.const 624)
                     )
                   )
-                  (br $while-in$51)
                 )
               )
               (if
@@ -13073,50 +12945,47 @@
                                                   )
                                                 )
                                                 (loop $while-in$62
-                                                  (block $while-out$61
-                                                    (if
-                                                      (tee_local $1
-                                                        (i32.load
-                                                          (tee_local $20
-                                                            (i32.add
-                                                              (get_local $4)
-                                                              (i32.const 20)
-                                                            )
+                                                  (if
+                                                    (tee_local $1
+                                                      (i32.load
+                                                        (tee_local $20
+                                                          (i32.add
+                                                            (get_local $4)
+                                                            (i32.const 20)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $4
-                                                          (get_local $1)
-                                                        )
-                                                        (set_local $9
-                                                          (get_local $20)
-                                                        )
-                                                        (br $while-in$62)
+                                                    )
+                                                    (block
+                                                      (set_local $4
+                                                        (get_local $1)
+                                                      )
+                                                      (set_local $9
+                                                        (get_local $20)
                                                       )
+                                                      (br $while-in$62)
                                                     )
-                                                    (if
-                                                      (tee_local $1
-                                                        (i32.load
-                                                          (tee_local $20
-                                                            (i32.add
-                                                              (get_local $4)
-                                                              (i32.const 16)
-                                                            )
+                                                  )
+                                                  (if
+                                                    (tee_local $1
+                                                      (i32.load
+                                                        (tee_local $20
+                                                          (i32.add
+                                                            (get_local $4)
+                                                            (i32.const 16)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $4
-                                                          (get_local $1)
-                                                        )
-                                                        (set_local $9
-                                                          (get_local $20)
-                                                        )
+                                                    )
+                                                    (block
+                                                      (set_local $4
+                                                        (get_local $1)
                                                       )
-                                                      (br $while-out$61)
+                                                      (set_local $9
+                                                        (get_local $20)
+                                                      )
+                                                      (br $while-in$62)
                                                     )
-                                                    (br $while-in$62)
                                                   )
                                                 )
                                                 (if
@@ -13757,6 +13626,7 @@
                                   (set_local $2
                                     (get_local $0)
                                   )
+                                  (br $while-in$72)
                                 )
                                 (block
                                   (set_local $45
@@ -13768,10 +13638,8 @@
                                   (set_local $11
                                     (i32.const 278)
                                   )
-                                  (br $while-out$71)
                                 )
                               )
-                              (br $while-in$72)
                             )
                           )
                           (if
@@ -14078,26 +13946,23 @@
                 )
               )
               (loop $while-in$76
-                (block $while-out$75
-                  (i32.store
-                    (tee_local $1
-                      (i32.add
-                        (get_local $1)
-                        (i32.const 4)
-                      )
+                (i32.store
+                  (tee_local $1
+                    (i32.add
+                      (get_local $1)
+                      (i32.const 4)
                     )
-                    (i32.const 7)
                   )
-                  (br_if $while-out$75
-                    (i32.ge_u
-                      (i32.add
-                        (get_local $1)
-                        (i32.const 4)
-                      )
-                      (get_local $2)
+                  (i32.const 7)
+                )
+                (br_if $while-in$76
+                  (i32.lt_u
+                    (i32.add
+                      (get_local $1)
+                      (i32.const 4)
                     )
+                    (get_local $2)
                   )
-                  (br $while-in$76)
                 )
               )
               (if
@@ -14472,6 +14337,7 @@
                           (set_local $4
                             (get_local $1)
                           )
+                          (br $while-in$78)
                         )
                         (block
                           (set_local $46
@@ -14483,10 +14349,8 @@
                           (set_local $11
                             (i32.const 304)
                           )
-                          (br $while-out$77)
                         )
                       )
-                      (br $while-in$78)
                     )
                   )
                   (if
@@ -14625,38 +14489,35 @@
                 (i32.const 0)
               )
               (loop $while-in$47
-                (block $while-out$46
-                  (i32.store offset=12
-                    (tee_local $0
-                      (i32.add
-                        (i32.const 216)
+                (i32.store offset=12
+                  (tee_local $0
+                    (i32.add
+                      (i32.const 216)
+                      (i32.shl
                         (i32.shl
-                          (i32.shl
-                            (get_local $1)
-                            (i32.const 1)
-                          )
-                          (i32.const 2)
+                          (get_local $1)
+                          (i32.const 1)
                         )
+                        (i32.const 2)
                       )
                     )
-                    (get_local $0)
                   )
-                  (i32.store offset=8
-                    (get_local $0)
-                    (get_local $0)
-                  )
-                  (br_if $while-out$46
-                    (i32.eq
-                      (tee_local $1
-                        (i32.add
-                          (get_local $1)
-                          (i32.const 1)
-                        )
+                  (get_local $0)
+                )
+                (i32.store offset=8
+                  (get_local $0)
+                  (get_local $0)
+                )
+                (br_if $while-in$47
+                  (i32.ne
+                    (tee_local $1
+                      (i32.add
+                        (get_local $1)
+                        (i32.const 1)
                       )
-                      (i32.const 32)
                     )
+                    (i32.const 32)
                   )
-                  (br $while-in$47)
                 )
               )
               (i32.store
@@ -15165,50 +15026,47 @@
                   )
                 )
                 (loop $while-in$5
-                  (block $while-out$4
-                    (if
-                      (tee_local $0
-                        (i32.load
-                          (tee_local $13
-                            (i32.add
-                              (get_local $2)
-                              (i32.const 20)
-                            )
+                  (if
+                    (tee_local $0
+                      (i32.load
+                        (tee_local $13
+                          (i32.add
+                            (get_local $2)
+                            (i32.const 20)
                           )
                         )
                       )
-                      (block
-                        (set_local $2
-                          (get_local $0)
-                        )
-                        (set_local $6
-                          (get_local $13)
-                        )
-                        (br $while-in$5)
+                    )
+                    (block
+                      (set_local $2
+                        (get_local $0)
+                      )
+                      (set_local $6
+                        (get_local $13)
                       )
+                      (br $while-in$5)
                     )
-                    (if
-                      (tee_local $0
-                        (i32.load
-                          (tee_local $13
-                            (i32.add
-                              (get_local $2)
-                              (i32.const 16)
-                            )
+                  )
+                  (if
+                    (tee_local $0
+                      (i32.load
+                        (tee_local $13
+                          (i32.add
+                            (get_local $2)
+                            (i32.const 16)
                           )
                         )
                       )
-                      (block
-                        (set_local $2
-                          (get_local $0)
-                        )
-                        (set_local $6
-                          (get_local $13)
-                        )
+                    )
+                    (block
+                      (set_local $2
+                        (get_local $0)
+                      )
+                      (set_local $6
+                        (get_local $13)
                       )
-                      (br $while-out$4)
+                      (br $while-in$5)
                     )
-                    (br $while-in$5)
                   )
                 )
                 (if
@@ -15832,50 +15690,47 @@
                       )
                     )
                     (loop $while-in$13
-                      (block $while-out$12
-                        (if
-                          (tee_local $1
-                            (i32.load
-                              (tee_local $6
-                                (i32.add
-                                  (get_local $2)
-                                  (i32.const 20)
-                                )
+                      (if
+                        (tee_local $1
+                          (i32.load
+                            (tee_local $6
+                              (i32.add
+                                (get_local $2)
+                                (i32.const 20)
                               )
                             )
                           )
-                          (block
-                            (set_local $2
-                              (get_local $1)
-                            )
-                            (set_local $8
-                              (get_local $6)
-                            )
-                            (br $while-in$13)
+                        )
+                        (block
+                          (set_local $2
+                            (get_local $1)
+                          )
+                          (set_local $8
+                            (get_local $6)
                           )
+                          (br $while-in$13)
                         )
-                        (if
-                          (tee_local $1
-                            (i32.load
-                              (tee_local $6
-                                (i32.add
-                                  (get_local $2)
-                                  (i32.const 16)
-                                )
+                      )
+                      (if
+                        (tee_local $1
+                          (i32.load
+                            (tee_local $6
+                              (i32.add
+                                (get_local $2)
+                                (i32.const 16)
                               )
                             )
                           )
-                          (block
-                            (set_local $2
-                              (get_local $1)
-                            )
-                            (set_local $8
-                              (get_local $6)
-                            )
+                        )
+                        (block
+                          (set_local $2
+                            (get_local $1)
+                          )
+                          (set_local $8
+                            (get_local $6)
                           )
-                          (br $while-out$12)
+                          (br $while-in$13)
                         )
-                        (br $while-in$13)
                       )
                     )
                     (if
@@ -16463,6 +16318,7 @@
                 (set_local $1
                   (get_local $0)
                 )
+                (br $while-in$19)
               )
               (block
                 (set_local $18
@@ -16474,10 +16330,8 @@
                 (set_local $0
                   (i32.const 127)
                 )
-                (br $while-out$18)
               )
             )
-            (br $while-in$19)
           )
         )
         (if
@@ -16613,23 +16467,18 @@
       )
     )
     (loop $while-in$21
-      (block $while-out$20
-        (set_local $0
-          (i32.add
-            (tee_local $7
-              (i32.load
-                (get_local $0)
-              )
+      (set_local $0
+        (i32.add
+          (tee_local $7
+            (i32.load
+              (get_local $0)
             )
-            (i32.const 8)
-          )
-        )
-        (br_if $while-out$20
-          (i32.eqz
-            (get_local $7)
           )
+          (i32.const 8)
         )
-        (br $while-in$21)
+      )
+      (br_if $while-in$21
+        (get_local $7)
       )
     )
     (i32.store
@@ -16745,70 +16594,70 @@
               )
             )
             (loop $while-in$1
-              (block $while-out$0
-                (br_if $while-out$0
-                  (i32.ge_s
-                    (get_local $0)
-                    (get_local $3)
-                  )
-                )
-                (i32.store8
+              (if
+                (i32.lt_s
                   (get_local $0)
-                  (get_local $1)
+                  (get_local $3)
                 )
-                (set_local $0
-                  (i32.add
+                (block
+                  (i32.store8
                     (get_local $0)
-                    (i32.const 1)
+                    (get_local $1)
+                  )
+                  (set_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
+                    )
                   )
+                  (br $while-in$1)
                 )
-                (br $while-in$1)
               )
             )
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.ge_s
-                (get_local $0)
-                (get_local $6)
-              )
-            )
-            (i32.store
+          (if
+            (i32.lt_s
               (get_local $0)
-              (get_local $5)
+              (get_local $6)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (get_local $5)
+              )
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.ge_s
-            (get_local $0)
-            (get_local $4)
-          )
-        )
-        (i32.store8
+      (if
+        (i32.lt_s
           (get_local $0)
-          (get_local $1)
+          (get_local $4)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (get_local $1)
+          )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (i32.sub
@@ -16998,75 +16847,75 @@
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.lt_s
-                (get_local $2)
-                (i32.const 4)
-              )
-            )
-            (i32.store
-              (get_local $0)
-              (i32.load
-                (get_local $1)
-              )
+          (if
+            (i32.ge_s
+              (get_local $2)
+              (i32.const 4)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (i32.load
+                  (get_local $1)
+                )
               )
-            )
-            (set_local $1
-              (i32.add
-                (get_local $1)
-                (i32.const 4)
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
-            )
-            (set_local $2
-              (i32.sub
-                (get_local $2)
-                (i32.const 4)
+              (set_local $1
+                (i32.add
+                  (get_local $1)
+                  (i32.const 4)
+                )
               )
+              (set_local $2
+                (i32.sub
+                  (get_local $2)
+                  (i32.const 4)
+                )
+              )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.le_s
-            (get_local $2)
-            (i32.const 0)
-          )
-        )
-        (i32.store8
-          (get_local $0)
-          (i32.load8_s
-            (get_local $1)
-          )
+      (if
+        (i32.gt_s
+          (get_local $2)
+          (i32.const 0)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (i32.load8_s
+              (get_local $1)
+            )
           )
-        )
-        (set_local $1
-          (i32.add
-            (get_local $1)
-            (i32.const 1)
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
-        )
-        (set_local $2
-          (i32.sub
-            (get_local $2)
-            (i32.const 1)
+          (set_local $1
+            (i32.add
+              (get_local $1)
+              (i32.const 1)
+            )
+          )
+          (set_local $2
+            (i32.sub
+              (get_local $2)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (get_local $3)
diff --git a/test/emcc_hello_world.fromasm.imprecise b/test/emcc_hello_world.fromasm.imprecise
index 815fee11e..8ca2769d6 100644
--- a/test/emcc_hello_world.fromasm.imprecise
+++ b/test/emcc_hello_world.fromasm.imprecise
@@ -415,10 +415,9 @@
             (set_local $0
               (i32.const 5)
             )
-            (br $while-out$0)
           )
+          (br $while-in$1)
         )
-        (br $while-in$1)
       )
     )
     (if
@@ -450,55 +449,47 @@
         (i32.const 5)
       )
       (loop $while-in$3
-        (block $while-out$2
-          (loop $while-in$5
-            (block $while-out$4
-              (set_local $0
-                (i32.add
-                  (get_local $2)
-                  (i32.const 1)
-                )
-              )
-              (if
-                (i32.load8_s
-                  (get_local $2)
-                )
-                (set_local $2
-                  (get_local $0)
-                )
-                (block
-                  (set_local $1
-                    (get_local $0)
-                  )
-                  (br $while-out$4)
-                )
-              )
-              (br $while-in$5)
+        (loop $while-in$5
+          (set_local $0
+            (i32.add
+              (get_local $2)
+              (i32.const 1)
             )
           )
           (if
-            (tee_local $0
-              (i32.add
-                (get_local $3)
-                (i32.const -1)
-              )
+            (i32.load8_s
+              (get_local $2)
             )
             (block
-              (set_local $3
-                (get_local $0)
-              )
               (set_local $2
-                (get_local $1)
+                (get_local $0)
               )
+              (br $while-in$5)
             )
-            (block
-              (set_local $5
-                (get_local $1)
-              )
-              (br $while-out$2)
+            (set_local $1
+              (get_local $0)
+            )
+          )
+        )
+        (if
+          (tee_local $0
+            (i32.add
+              (get_local $3)
+              (i32.const -1)
+            )
+          )
+          (block
+            (set_local $3
+              (get_local $0)
+            )
+            (set_local $2
+              (get_local $1)
             )
+            (br $while-in$3)
+          )
+          (set_local $5
+            (get_local $1)
           )
-          (br $while-in$3)
         )
       )
     )
@@ -783,63 +774,60 @@
                 (get_local $0)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $0
-                    (if
-                      (i32.gt_s
-                        (i32.load offset=76
-                          (get_local $1)
-                        )
-                        (i32.const -1)
-                      )
-                      (call $___lockfile
+                (set_local $0
+                  (if
+                    (i32.gt_s
+                      (i32.load offset=76
                         (get_local $1)
                       )
-                      (i32.const 0)
+                      (i32.const -1)
+                    )
+                    (call $___lockfile
+                      (get_local $1)
                     )
+                    (i32.const 0)
                   )
-                  (set_local $2
-                    (if
-                      (i32.gt_u
-                        (i32.load offset=20
-                          (get_local $1)
-                        )
-                        (i32.load offset=28
-                          (get_local $1)
-                        )
+                )
+                (set_local $2
+                  (if
+                    (i32.gt_u
+                      (i32.load offset=20
+                        (get_local $1)
                       )
-                      (i32.or
-                        (call $___fflush_unlocked
-                          (get_local $1)
-                        )
-                        (get_local $2)
+                      (i32.load offset=28
+                        (get_local $1)
+                      )
+                    )
+                    (i32.or
+                      (call $___fflush_unlocked
+                        (get_local $1)
                       )
                       (get_local $2)
                     )
+                    (get_local $2)
                   )
-                  (if
-                    (get_local $0)
-                    (call $___unlockfile
+                )
+                (if
+                  (get_local $0)
+                  (call $___unlockfile
+                    (get_local $1)
+                  )
+                )
+                (if
+                  (tee_local $0
+                    (i32.load offset=56
                       (get_local $1)
                     )
                   )
-                  (if
-                    (tee_local $0
-                      (i32.load offset=56
-                        (get_local $1)
-                      )
-                    )
+                  (block
                     (set_local $1
                       (get_local $0)
                     )
-                    (block
-                      (set_local $0
-                        (get_local $2)
-                      )
-                      (br $while-out$2)
-                    )
+                    (br $while-in$3)
+                  )
+                  (set_local $0
+                    (get_local $2)
                   )
-                  (br $while-in$3)
                 )
               )
             )
@@ -1090,115 +1078,116 @@
             (set_local $1
               (i32.const 8)
             )
-            (br $while-out$0)
           )
-        )
-        (set_local $17
-          (i32.sub
-            (get_local $3)
-            (get_local $5)
-          )
-        )
-        (set_local $1
-          (if
-            (i32.gt_u
-              (get_local $5)
-              (tee_local $1
-                (i32.load offset=4
-                  (get_local $4)
-                )
-              )
-            )
-            (block
-              (i32.store
-                (get_local $7)
-                (tee_local $3
-                  (i32.load
-                    (get_local $13)
-                  )
-                )
-              )
-              (i32.store
-                (get_local $11)
+          (block
+            (set_local $17
+              (i32.sub
                 (get_local $3)
+                (get_local $5)
               )
-              (set_local $5
-                (i32.sub
+            )
+            (set_local $1
+              (if
+                (i32.gt_u
                   (get_local $5)
-                  (get_local $1)
-                )
-              )
-              (set_local $3
-                (i32.add
-                  (get_local $4)
-                  (i32.const 8)
+                  (tee_local $1
+                    (i32.load offset=4
+                      (get_local $4)
+                    )
+                  )
                 )
-              )
-              (set_local $6
-                (i32.add
-                  (get_local $6)
-                  (i32.const -1)
+                (block
+                  (i32.store
+                    (get_local $7)
+                    (tee_local $3
+                      (i32.load
+                        (get_local $13)
+                      )
+                    )
+                  )
+                  (i32.store
+                    (get_local $11)
+                    (get_local $3)
+                  )
+                  (set_local $5
+                    (i32.sub
+                      (get_local $5)
+                      (get_local $1)
+                    )
+                  )
+                  (set_local $3
+                    (i32.add
+                      (get_local $4)
+                      (i32.const 8)
+                    )
+                  )
+                  (set_local $6
+                    (i32.add
+                      (get_local $6)
+                      (i32.const -1)
+                    )
+                  )
+                  (i32.load offset=12
+                    (get_local $4)
+                  )
                 )
-              )
-              (i32.load offset=12
-                (get_local $4)
-              )
-            )
-            (if
-              (i32.eq
-                (get_local $6)
-                (i32.const 2)
-              )
-              (block
-                (i32.store
-                  (get_local $7)
-                  (i32.add
-                    (i32.load
+                (if
+                  (i32.eq
+                    (get_local $6)
+                    (i32.const 2)
+                  )
+                  (block
+                    (i32.store
                       (get_local $7)
+                      (i32.add
+                        (i32.load
+                          (get_local $7)
+                        )
+                        (get_local $5)
+                      )
                     )
-                    (get_local $5)
+                    (set_local $3
+                      (get_local $4)
+                    )
+                    (set_local $6
+                      (i32.const 2)
+                    )
+                    (get_local $1)
+                  )
+                  (block
+                    (set_local $3
+                      (get_local $4)
+                    )
+                    (get_local $1)
                   )
                 )
-                (set_local $3
-                  (get_local $4)
-                )
-                (set_local $6
-                  (i32.const 2)
-                )
-                (get_local $1)
               )
-              (block
-                (set_local $3
-                  (get_local $4)
+            )
+            (i32.store
+              (get_local $3)
+              (i32.add
+                (i32.load
+                  (get_local $3)
                 )
+                (get_local $5)
+              )
+            )
+            (i32.store offset=4
+              (get_local $3)
+              (i32.sub
                 (get_local $1)
+                (get_local $5)
               )
             )
-          )
-        )
-        (i32.store
-          (get_local $3)
-          (i32.add
-            (i32.load
+            (set_local $4
               (get_local $3)
             )
-            (get_local $5)
-          )
-        )
-        (i32.store offset=4
-          (get_local $3)
-          (i32.sub
-            (get_local $1)
-            (get_local $5)
+            (set_local $3
+              (get_local $17)
+            )
+            (br $while-in$1)
           )
         )
-        (set_local $4
-          (get_local $3)
-        )
-        (set_local $3
-          (get_local $17)
-        )
-        (br $while-in$1)
       )
     )
     (if
@@ -1684,41 +1673,40 @@
                       (get_local $1)
                     )
                     (loop $while-in$3
-                      (block $while-out$2
-                        (if
-                          (i32.eqz
-                            (get_local $3)
+                      (if
+                        (i32.eqz
+                          (get_local $3)
+                        )
+                        (block
+                          (set_local $2
+                            (i32.const 0)
                           )
-                          (block
-                            (set_local $2
-                              (i32.const 0)
-                            )
-                            (br $label$break$L10
-                              (get_local $4)
-                            )
+                          (br $label$break$L10
+                            (get_local $4)
                           )
                         )
-                        (if
-                          (i32.eq
-                            (i32.load8_s
-                              (i32.add
-                                (get_local $0)
-                                (tee_local $6
-                                  (i32.add
-                                    (get_local $3)
-                                    (i32.const -1)
-                                  )
+                      )
+                      (if
+                        (i32.ne
+                          (i32.load8_s
+                            (i32.add
+                              (get_local $0)
+                              (tee_local $6
+                                (i32.add
+                                  (get_local $3)
+                                  (i32.const -1)
                                 )
                               )
                             )
-                            (i32.const 10)
                           )
-                          (br $while-out$2)
+                          (i32.const 10)
+                        )
+                        (block
                           (set_local $3
                             (get_local $6)
                           )
+                          (br $while-in$3)
                         )
-                        (br $while-in$3)
                       )
                     )
                     (if
@@ -2143,79 +2131,78 @@
             (get_local $0)
           )
           (loop $while-in$2
-            (block $while-out$1
-              (if
-                (i32.eq
-                  (i32.load8_s
-                    (get_local $2)
-                  )
-                  (i32.shr_s
-                    (i32.shl
-                      (get_local $5)
-                      (i32.const 24)
-                    )
+            (if
+              (i32.eq
+                (i32.load8_s
+                  (get_local $2)
+                )
+                (i32.shr_s
+                  (i32.shl
+                    (get_local $5)
                     (i32.const 24)
                   )
+                  (i32.const 24)
                 )
-                (block
-                  (set_local $4
-                    (get_local $3)
-                  )
-                  (set_local $6
-                    (get_local $2)
-                  )
-                  (set_local $3
-                    (i32.const 6)
-                  )
-                  (br $label$break$L1)
+              )
+              (block
+                (set_local $4
+                  (get_local $3)
+                )
+                (set_local $6
+                  (get_local $2)
+                )
+                (set_local $3
+                  (i32.const 6)
                 )
+                (br $label$break$L1)
               )
-              (if
-                (i32.and
-                  (tee_local $3
-                    (i32.ne
-                      (tee_local $0
-                        (i32.add
-                          (get_local $3)
-                          (i32.const -1)
-                        )
+            )
+            (if
+              (i32.and
+                (tee_local $3
+                  (i32.ne
+                    (tee_local $0
+                      (i32.add
+                        (get_local $3)
+                        (i32.const -1)
                       )
-                      (i32.const 0)
                     )
+                    (i32.const 0)
                   )
-                  (i32.ne
-                    (i32.and
-                      (tee_local $2
-                        (i32.add
-                          (get_local $2)
-                          (i32.const 1)
-                        )
+                )
+                (i32.ne
+                  (i32.and
+                    (tee_local $2
+                      (i32.add
+                        (get_local $2)
+                        (i32.const 1)
                       )
-                      (i32.const 3)
                     )
-                    (i32.const 0)
+                    (i32.const 3)
                   )
+                  (i32.const 0)
                 )
+              )
+              (block
                 (set_local $3
                   (get_local $0)
                 )
-                (block
-                  (set_local $14
-                    (get_local $0)
-                  )
-                  (set_local $11
-                    (get_local $2)
-                  )
-                  (set_local $15
-                    (get_local $3)
-                  )
-                  (set_local $3
-                    (i32.const 5)
-                  )
-                  (br $while-out$1)
+                (br $while-in$2)
+              )
+              (block
+                (set_local $14
+                  (get_local $0)
+                )
+                (set_local $11
+                  (get_local $2)
+                )
+                (set_local $15
+                  (get_local $3)
+                )
+                (set_local $3
+                  (i32.const 5)
                 )
               )
-              (br $while-in$2)
             )
           )
         )
@@ -2343,7 +2330,7 @@
                         )
                       )
                       (if
-                        (i32.le_u
+                        (i32.gt_u
                           (tee_local $4
                             (i32.add
                               (get_local $4)
@@ -2352,6 +2339,7 @@
                           )
                           (i32.const 3)
                         )
+                        (br $while-in$6)
                         (block
                           (set_local $12
                             (get_local $4)
@@ -2365,7 +2353,6 @@
                           (br $label$break$L11)
                         )
                       )
-                      (br $while-in$6)
                     )
                   )
                   (set_local $10
@@ -2415,62 +2402,59 @@
               )
             )
             (loop $while-in$8
-              (block $while-out$7
-                (if
-                  (i32.eq
-                    (i32.load8_s
-                      (get_local $9)
-                    )
-                    (i32.shr_s
-                      (i32.shl
-                        (get_local $0)
-                        (i32.const 24)
-                      )
+              (if
+                (i32.eq
+                  (i32.load8_s
+                    (get_local $9)
+                  )
+                  (i32.shr_s
+                    (i32.shl
+                      (get_local $0)
                       (i32.const 24)
                     )
+                    (i32.const 24)
                   )
-                  (block
-                    (set_local $7
-                      (get_local $10)
-                    )
-                    (set_local $8
-                      (get_local $9)
-                    )
-                    (br $label$break$L8)
+                )
+                (block
+                  (set_local $7
+                    (get_local $10)
+                  )
+                  (set_local $8
+                    (get_local $9)
                   )
+                  (br $label$break$L8)
                 )
-                (set_local $2
+              )
+              (set_local $2
+                (i32.add
+                  (get_local $9)
+                  (i32.const 1)
+                )
+              )
+              (if
+                (tee_local $1
                   (i32.add
-                    (get_local $9)
-                    (i32.const 1)
+                    (get_local $10)
+                    (i32.const -1)
                   )
                 )
-                (if
-                  (tee_local $1
-                    (i32.add
-                      (get_local $10)
-                      (i32.const -1)
-                    )
+                (block
+                  (set_local $10
+                    (get_local $1)
                   )
-                  (block
-                    (set_local $10
-                      (get_local $1)
-                    )
-                    (set_local $9
-                      (get_local $2)
-                    )
+                  (set_local $9
+                    (get_local $2)
                   )
-                  (block
-                    (set_local $7
-                      (i32.const 0)
-                    )
-                    (set_local $8
-                      (get_local $2)
-                    )
-                    (br $while-out$7)
+                  (br $while-in$8)
+                )
+                (block
+                  (set_local $7
+                    (i32.const 0)
+                  )
+                  (set_local $8
+                    (get_local $2)
                   )
                 )
-                (br $while-in$8)
               )
             )
           )
@@ -2995,64 +2979,61 @@
               (i32.const 9)
             )
             (loop $while-in$8
-              (block $while-out$7
-                (set_local $11
-                  (i32.const 0)
-                )
-                (if
-                  (i32.ne
-                    (i32.load8_s offset=1
-                      (get_local $53)
-                    )
-                    (i32.const 37)
-                  )
-                  (block
-                    (set_local $39
-                      (get_local $53)
-                    )
-                    (set_local $54
-                      (get_local $64)
-                    )
-                    (br $label$break$L12)
+              (set_local $11
+                (i32.const 0)
+              )
+              (if
+                (i32.ne
+                  (i32.load8_s offset=1
+                    (get_local $53)
                   )
+                  (i32.const 37)
                 )
-                (set_local $5
-                  (i32.add
+                (block
+                  (set_local $39
+                    (get_local $53)
+                  )
+                  (set_local $54
                     (get_local $64)
-                    (i32.const 1)
                   )
+                  (br $label$break$L12)
                 )
-                (if
-                  (i32.eq
-                    (i32.load8_s
-                      (tee_local $1
-                        (i32.add
-                          (get_local $53)
-                          (i32.const 2)
-                        )
+              )
+              (set_local $5
+                (i32.add
+                  (get_local $64)
+                  (i32.const 1)
+                )
+              )
+              (if
+                (i32.eq
+                  (i32.load8_s
+                    (tee_local $1
+                      (i32.add
+                        (get_local $53)
+                        (i32.const 2)
                       )
                     )
-                    (i32.const 37)
                   )
-                  (block
-                    (set_local $53
-                      (get_local $1)
-                    )
-                    (set_local $64
-                      (get_local $5)
-                    )
+                  (i32.const 37)
+                )
+                (block
+                  (set_local $53
+                    (get_local $1)
                   )
-                  (block
-                    (set_local $39
-                      (get_local $1)
-                    )
-                    (set_local $54
-                      (get_local $5)
-                    )
-                    (br $while-out$7)
+                  (set_local $64
+                    (get_local $5)
+                  )
+                  (br $while-in$8)
+                )
+                (block
+                  (set_local $39
+                    (get_local $1)
+                  )
+                  (set_local $54
+                    (get_local $5)
                   )
                 )
-                (br $while-in$8)
               )
             )
           )
@@ -3195,75 +3176,72 @@
                 (i32.const 0)
               )
               (loop $while-in$11
-                (block $while-out$10
-                  (br_if $label$break$L25
-                    (i32.eqz
-                      (i32.and
-                        (i32.shl
-                          (i32.const 1)
-                          (i32.add
-                            (get_local $5)
-                            (i32.const -32)
-                          )
+                (br_if $label$break$L25
+                  (i32.eqz
+                    (i32.and
+                      (i32.shl
+                        (i32.const 1)
+                        (i32.add
+                          (get_local $5)
+                          (i32.const -32)
                         )
-                        (i32.const 75913)
                       )
+                      (i32.const 75913)
                     )
                   )
-                  (set_local $8
-                    (i32.or
-                      (i32.shl
-                        (i32.const 1)
-                        (i32.add
-                          (i32.shr_s
-                            (i32.shl
-                              (get_local $1)
-                              (i32.const 24)
-                            )
+                )
+                (set_local $8
+                  (i32.or
+                    (i32.shl
+                      (i32.const 1)
+                      (i32.add
+                        (i32.shr_s
+                          (i32.shl
+                            (get_local $1)
                             (i32.const 24)
                           )
-                          (i32.const -32)
+                          (i32.const 24)
                         )
+                        (i32.const -32)
                       )
-                      (get_local $8)
                     )
+                    (get_local $8)
                   )
-                  (if
-                    (i32.eq
-                      (i32.and
-                        (tee_local $5
-                          (i32.shr_s
-                            (i32.shl
-                              (tee_local $1
-                                (i32.load8_s
-                                  (tee_local $6
-                                    (i32.add
-                                      (get_local $10)
-                                      (i32.const 1)
-                                    )
+                )
+                (if
+                  (i32.eq
+                    (i32.and
+                      (tee_local $5
+                        (i32.shr_s
+                          (i32.shl
+                            (tee_local $1
+                              (i32.load8_s
+                                (tee_local $6
+                                  (i32.add
+                                    (get_local $10)
+                                    (i32.const 1)
                                   )
                                 )
                               )
-                              (i32.const 24)
                             )
                             (i32.const 24)
                           )
+                          (i32.const 24)
                         )
-                        (i32.const -32)
                       )
-                      (i32.const 32)
+                      (i32.const -32)
                     )
+                    (i32.const 32)
+                  )
+                  (block
                     (set_local $10
                       (get_local $6)
                     )
-                    (block
-                      (set_local $10
-                        (get_local $6)
-                      )
-                      (br $while-out$10)
-                    )
+                    (br $while-in$11)
+                  )
+                  (set_local $10
+                    (get_local $6)
                   )
-                  (br $while-in$11)
                 )
               )
             )
@@ -3488,35 +3466,32 @@
                   (i32.const 0)
                 )
                 (loop $while-in$15
-                  (block $while-out$14
-                    (set_local $5
-                      (i32.add
-                        (i32.mul
-                          (get_local $5)
-                          (i32.const 10)
-                        )
-                        (get_local $6)
+                  (set_local $5
+                    (i32.add
+                      (i32.mul
+                        (get_local $5)
+                        (i32.const 10)
                       )
+                      (get_local $6)
                     )
-                    (br_if $while-out$14
-                      (i32.ge_u
-                        (tee_local $6
-                          (i32.add
-                            (i32.load8_s
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $1)
-                                  (i32.const 1)
-                                )
+                  )
+                  (br_if $while-in$15
+                    (i32.lt_u
+                      (tee_local $6
+                        (i32.add
+                          (i32.load8_s
+                            (tee_local $1
+                              (i32.add
+                                (get_local $1)
+                                (i32.const 1)
                               )
                             )
-                            (i32.const -48)
                           )
+                          (i32.const -48)
                         )
-                        (i32.const 10)
                       )
+                      (i32.const 10)
                     )
-                    (br $while-in$15)
                   )
                 )
                 (if
@@ -3629,7 +3604,7 @@
                         )
                       )
                       (if
-                        (i32.ge_u
+                        (i32.lt_u
                           (tee_local $6
                             (i32.add
                               (i32.load8_s
@@ -3645,6 +3620,7 @@
                           )
                           (i32.const 10)
                         )
+                        (br $while-in$18)
                         (block
                           (set_local $9
                             (get_local $5)
@@ -3654,7 +3630,6 @@
                           )
                         )
                       )
-                      (br $while-in$18)
                     )
                   )
                 )
@@ -3781,74 +3756,69 @@
           (i32.const 0)
         )
         (loop $while-in$20
-          (block $while-out$19
-            (if
-              (i32.gt_u
-                (tee_local $1
-                  (i32.add
-                    (i32.load8_s
-                      (get_local $13)
-                    )
-                    (i32.const -65)
+          (if
+            (i32.gt_u
+              (tee_local $1
+                (i32.add
+                  (i32.load8_s
+                    (get_local $13)
                   )
+                  (i32.const -65)
                 )
-                (i32.const 57)
-              )
-              (block
-                (set_local $23
-                  (i32.const -1)
-                )
-                (br $label$break$L1)
               )
+              (i32.const 57)
             )
-            (set_local $10
-              (i32.add
-                (get_local $13)
-                (i32.const 1)
+            (block
+              (set_local $23
+                (i32.const -1)
               )
+              (br $label$break$L1)
             )
-            (if
-              (i32.lt_u
-                (i32.add
-                  (tee_local $5
-                    (i32.and
-                      (tee_local $1
-                        (i32.load8_s
+          )
+          (set_local $10
+            (i32.add
+              (get_local $13)
+              (i32.const 1)
+            )
+          )
+          (if
+            (i32.lt_u
+              (i32.add
+                (tee_local $5
+                  (i32.and
+                    (tee_local $1
+                      (i32.load8_s
+                        (i32.add
                           (i32.add
-                            (i32.add
-                              (i32.const 3611)
-                              (i32.mul
-                                (get_local $14)
-                                (i32.const 58)
-                              )
+                            (i32.const 3611)
+                            (i32.mul
+                              (get_local $14)
+                              (i32.const 58)
                             )
-                            (get_local $1)
                           )
+                          (get_local $1)
                         )
                       )
-                      (i32.const 255)
                     )
+                    (i32.const 255)
                   )
-                  (i32.const -1)
                 )
-                (i32.const 8)
+                (i32.const -1)
               )
-              (block
-                (set_local $13
-                  (get_local $10)
-                )
-                (set_local $14
-                  (get_local $5)
-                )
+              (i32.const 8)
+            )
+            (block
+              (set_local $13
+                (get_local $10)
               )
-              (block
-                (set_local $6
-                  (get_local $5)
-                )
-                (br $while-out$19)
+              (set_local $14
+                (get_local $5)
               )
+              (br $while-in$20)
+            )
+            (set_local $6
+              (get_local $5)
             )
-            (br $while-in$20)
           )
         )
         (if
@@ -4297,26 +4267,26 @@
                                   (get_local $26)
                                 )
                                 (loop $while-in$39
-                                  (block $while-out$38
-                                    (i32.store8
-                                      (tee_local $6
-                                        (i32.add
-                                          (get_local $6)
-                                          (i32.const -1)
-                                        )
+                                  (i32.store8
+                                    (tee_local $6
+                                      (i32.add
+                                        (get_local $6)
+                                        (i32.const -1)
                                       )
-                                      (i32.and
-                                        (i32.or
-                                          (i32.and
-                                            (get_local $5)
-                                            (i32.const 7)
-                                          )
-                                          (i32.const 48)
+                                    )
+                                    (i32.and
+                                      (i32.or
+                                        (i32.and
+                                          (get_local $5)
+                                          (i32.const 7)
                                         )
-                                        (i32.const 255)
+                                        (i32.const 48)
                                       )
+                                      (i32.const 255)
                                     )
-                                    (br_if $while-out$38
+                                  )
+                                  (br_if $while-in$39
+                                    (i32.eqz
                                       (i32.and
                                         (i32.eqz
                                           (tee_local $5
@@ -4334,7 +4304,6 @@
                                         )
                                       )
                                     )
-                                    (br $while-in$39)
                                   )
                                 )
                               )
@@ -4811,24 +4780,19 @@
                                 (f64.const 8)
                               )
                               (loop $while-in$61
-                                (block $while-out$60
-                                  (set_local $28
-                                    (f64.mul
-                                      (get_local $28)
-                                      (f64.const 16)
-                                    )
+                                (set_local $28
+                                  (f64.mul
+                                    (get_local $28)
+                                    (f64.const 16)
                                   )
-                                  (br_if $while-out$60
-                                    (i32.eqz
-                                      (tee_local $1
-                                        (i32.add
-                                          (get_local $1)
-                                          (i32.const -1)
-                                        )
-                                      )
+                                )
+                                (br_if $while-in$61
+                                  (tee_local $1
+                                    (i32.add
+                                      (get_local $1)
+                                      (i32.const -1)
                                     )
                                   )
-                                  (br $while-in$61)
                                 )
                               )
                               (select
@@ -4958,95 +4922,90 @@
                           (get_local $27)
                         )
                         (loop $while-in$63
-                          (block $while-out$62
-                            (i32.store8
-                              (get_local $13)
-                              (i32.and
-                                (i32.or
-                                  (i32.and
-                                    (i32.load8_s
-                                      (i32.add
-                                        (tee_local $1
-                                          (i32.trunc_s/f64
-                                            (get_local $15)
-                                          )
+                          (i32.store8
+                            (get_local $13)
+                            (i32.and
+                              (i32.or
+                                (i32.and
+                                  (i32.load8_s
+                                    (i32.add
+                                      (tee_local $1
+                                        (i32.trunc_s/f64
+                                          (get_local $15)
                                         )
-                                        (i32.const 4075)
                                       )
+                                      (i32.const 4075)
                                     )
-                                    (i32.const 255)
                                   )
-                                  (get_local $6)
+                                  (i32.const 255)
                                 )
-                                (i32.const 255)
+                                (get_local $6)
                               )
+                              (i32.const 255)
                             )
-                            (set_local $15
-                              (f64.mul
-                                (f64.sub
-                                  (get_local $15)
-                                  (f64.convert_s/i32
-                                    (get_local $1)
-                                  )
+                          )
+                          (set_local $15
+                            (f64.mul
+                              (f64.sub
+                                (get_local $15)
+                                (f64.convert_s/i32
+                                  (get_local $1)
                                 )
-                                (f64.const 16)
                               )
+                              (f64.const 16)
                             )
-                            (set_local $13
-                              (block $do-once$64
-                                (if
-                                  (i32.eq
-                                    (i32.sub
-                                      (tee_local $1
-                                        (i32.add
-                                          (get_local $13)
-                                          (i32.const 1)
-                                        )
+                          )
+                          (set_local $13
+                            (block $do-once$64
+                              (if
+                                (i32.eq
+                                  (i32.sub
+                                    (tee_local $1
+                                      (i32.add
+                                        (get_local $13)
+                                        (i32.const 1)
                                       )
-                                      (get_local $63)
                                     )
-                                    (i32.const 1)
+                                    (get_local $63)
                                   )
-                                  (block
-                                    (br_if $do-once$64
-                                      (get_local $1)
+                                  (i32.const 1)
+                                )
+                                (block
+                                  (br_if $do-once$64
+                                    (get_local $1)
+                                    (i32.and
+                                      (get_local $14)
                                       (i32.and
-                                        (get_local $14)
-                                        (i32.and
-                                          (get_local $5)
-                                          (f64.eq
-                                            (get_local $15)
-                                            (f64.const 0)
-                                          )
+                                        (get_local $5)
+                                        (f64.eq
+                                          (get_local $15)
+                                          (f64.const 0)
                                         )
                                       )
                                     )
-                                    (i32.store8
-                                      (get_local $1)
-                                      (i32.const 46)
-                                    )
-                                    (i32.add
-                                      (get_local $13)
-                                      (i32.const 2)
-                                    )
                                   )
-                                  (get_local $1)
+                                  (i32.store8
+                                    (get_local $1)
+                                    (i32.const 46)
+                                  )
+                                  (i32.add
+                                    (get_local $13)
+                                    (i32.const 2)
+                                  )
                                 )
+                                (get_local $1)
                               )
                             )
-                            (if
-                              (f64.eq
-                                (get_local $15)
-                                (f64.const 0)
-                              )
-                              (block
-                                (set_local $1
-                                  (get_local $13)
-                                )
-                                (br $while-out$62)
-                              )
+                          )
+                          (if
+                            (f64.ne
+                              (get_local $15)
+                              (f64.const 0)
                             )
                             (br $while-in$63)
+                            (set_local $1
+                              (get_local $13)
+                            )
                           )
                         )
                         (call $_pad
@@ -5249,44 +5208,39 @@
                       (get_local $10)
                     )
                     (loop $while-in$67
-                      (block $while-out$66
-                        (i32.store
-                          (get_local $7)
-                          (tee_local $5
-                            (i32.trunc_s/f64
-                              (get_local $15)
-                            )
+                      (i32.store
+                        (get_local $7)
+                        (tee_local $5
+                          (i32.trunc_s/f64
+                            (get_local $15)
                           )
                         )
-                        (set_local $7
-                          (i32.add
-                            (get_local $7)
-                            (i32.const 4)
-                          )
+                      )
+                      (set_local $7
+                        (i32.add
+                          (get_local $7)
+                          (i32.const 4)
                         )
-                        (if
-                          (f64.eq
-                            (tee_local $15
-                              (f64.mul
-                                (f64.sub
-                                  (get_local $15)
-                                  (f64.convert_u/i32
-                                    (get_local $5)
-                                  )
+                      )
+                      (if
+                        (f64.ne
+                          (tee_local $15
+                            (f64.mul
+                              (f64.sub
+                                (get_local $15)
+                                (f64.convert_u/i32
+                                  (get_local $5)
                                 )
-                                (f64.const 1e9)
                               )
+                              (f64.const 1e9)
                             )
-                            (f64.const 0)
-                          )
-                          (block
-                            (set_local $6
-                              (get_local $7)
-                            )
-                            (br $while-out$66)
                           )
+                          (f64.const 0)
                         )
                         (br $while-in$67)
+                        (set_local $6
+                          (get_local $7)
+                        )
                       )
                     )
                     (if
@@ -5306,121 +5260,120 @@
                           (get_local $6)
                         )
                         (loop $while-in$69
-                          (block $while-out$68
-                            (set_local $13
-                              (select
-                                (i32.const 29)
+                          (set_local $13
+                            (select
+                              (i32.const 29)
+                              (get_local $5)
+                              (i32.gt_s
                                 (get_local $5)
-                                (i32.gt_s
-                                  (get_local $5)
-                                  (i32.const 29)
-                                )
+                                (i32.const 29)
                               )
                             )
-                            (set_local $7
-                              (block $do-once$70
-                                (if
-                                  (i32.lt_u
-                                    (tee_local $7
-                                      (i32.add
-                                        (get_local $14)
-                                        (i32.const -4)
-                                      )
+                          )
+                          (set_local $7
+                            (block $do-once$70
+                              (if
+                                (i32.lt_u
+                                  (tee_local $7
+                                    (i32.add
+                                      (get_local $14)
+                                      (i32.const -4)
                                     )
-                                    (get_local $8)
                                   )
                                   (get_local $8)
-                                  (block
-                                    (set_local $5
-                                      (i32.const 0)
-                                    )
-                                    (set_local $9
-                                      (get_local $7)
-                                    )
-                                    (loop $while-in$73
-                                      (block $while-out$72
-                                        (set_local $6
-                                          (call $___uremdi3
-                                            (tee_local $5
-                                              (call $_i64Add
-                                                (call $_bitshift64Shl
-                                                  (i32.load
-                                                    (get_local $9)
-                                                  )
-                                                  (i32.const 0)
-                                                  (get_local $13)
-                                                )
-                                                (get_global $tempRet0)
-                                                (get_local $5)
-                                                (i32.const 0)
+                                )
+                                (get_local $8)
+                                (block
+                                  (set_local $5
+                                    (i32.const 0)
+                                  )
+                                  (set_local $9
+                                    (get_local $7)
+                                  )
+                                  (loop $while-in$73
+                                    (set_local $6
+                                      (call $___uremdi3
+                                        (tee_local $5
+                                          (call $_i64Add
+                                            (call $_bitshift64Shl
+                                              (i32.load
+                                                (get_local $9)
                                               )
+                                              (i32.const 0)
+                                              (get_local $13)
                                             )
-                                            (tee_local $7
-                                              (get_global $tempRet0)
-                                            )
-                                            (i32.const 1000000000)
-                                            (i32.const 0)
-                                          )
-                                        )
-                                        (i32.store
-                                          (get_local $9)
-                                          (get_local $6)
-                                        )
-                                        (set_local $5
-                                          (call $___udivdi3
+                                            (get_global $tempRet0)
                                             (get_local $5)
-                                            (get_local $7)
-                                            (i32.const 1000000000)
                                             (i32.const 0)
                                           )
                                         )
-                                        (if
-                                          (i32.lt_u
-                                            (tee_local $7
-                                              (i32.add
-                                                (get_local $9)
-                                                (i32.const -4)
-                                              )
-                                            )
-                                            (get_local $8)
-                                          )
-                                          (br $while-out$72)
-                                          (set_local $9
-                                            (get_local $7)
-                                          )
+                                        (tee_local $7
+                                          (get_global $tempRet0)
                                         )
-                                        (br $while-in$73)
+                                        (i32.const 1000000000)
+                                        (i32.const 0)
                                       )
                                     )
-                                    (br_if $do-once$70
-                                      (get_local $8)
-                                      (i32.eqz
+                                    (i32.store
+                                      (get_local $9)
+                                      (get_local $6)
+                                    )
+                                    (set_local $5
+                                      (call $___udivdi3
                                         (get_local $5)
+                                        (get_local $7)
+                                        (i32.const 1000000000)
+                                        (i32.const 0)
                                       )
                                     )
-                                    (i32.store
-                                      (tee_local $7
-                                        (i32.add
-                                          (get_local $8)
-                                          (i32.const -4)
+                                    (if
+                                      (i32.ge_u
+                                        (tee_local $7
+                                          (i32.add
+                                            (get_local $9)
+                                            (i32.const -4)
+                                          )
+                                        )
+                                        (get_local $8)
+                                      )
+                                      (block
+                                        (set_local $9
+                                          (get_local $7)
                                         )
+                                        (br $while-in$73)
                                       )
+                                    )
+                                  )
+                                  (br_if $do-once$70
+                                    (get_local $8)
+                                    (i32.eqz
                                       (get_local $5)
                                     )
-                                    (get_local $7)
                                   )
+                                  (i32.store
+                                    (tee_local $7
+                                      (i32.add
+                                        (get_local $8)
+                                        (i32.const -4)
+                                      )
+                                    )
+                                    (get_local $5)
+                                  )
+                                  (get_local $7)
                                 )
                               )
                             )
-                            (loop $while-in$75
-                              (block $while-out$74
-                                (br_if $while-out$74
-                                  (i32.le_u
-                                    (get_local $14)
-                                    (get_local $7)
-                                  )
+                          )
+                          (loop $while-in$75
+                            (block $while-out$74
+                              (br_if $while-out$74
+                                (i32.le_u
+                                  (get_local $14)
+                                  (get_local $7)
                                 )
-                                (if
+                              )
+                              (if
+                                (i32.eqz
                                   (i32.load
                                     (tee_local $5
                                       (i32.add
@@ -5429,41 +5382,41 @@
                                       )
                                     )
                                   )
-                                  (br $while-out$74)
+                                )
+                                (block
                                   (set_local $14
                                     (get_local $5)
                                   )
+                                  (br $while-in$75)
                                 )
-                                (br $while-in$75)
                               )
                             )
-                            (i32.store
-                              (get_local $24)
-                              (tee_local $5
-                                (i32.sub
-                                  (i32.load
-                                    (get_local $24)
-                                  )
-                                  (get_local $13)
+                          )
+                          (i32.store
+                            (get_local $24)
+                            (tee_local $5
+                              (i32.sub
+                                (i32.load
+                                  (get_local $24)
                                 )
+                                (get_local $13)
                               )
                             )
-                            (if
-                              (i32.gt_s
-                                (get_local $5)
-                                (i32.const 0)
-                              )
+                          )
+                          (if
+                            (i32.gt_s
+                              (get_local $5)
+                              (i32.const 0)
+                            )
+                            (block
                               (set_local $8
                                 (get_local $7)
                               )
-                              (block
-                                (set_local $6
-                                  (get_local $14)
-                                )
-                                (br $while-out$68)
-                              )
+                              (br $while-in$69)
+                            )
+                            (set_local $6
+                              (get_local $14)
                             )
-                            (br $while-in$69)
                           )
                         )
                       )
@@ -5502,187 +5455,181 @@
                           (get_local $6)
                         )
                         (loop $while-in$77
-                          (block $while-out$76
-                            (set_local $9
-                              (select
-                                (i32.const 9)
-                                (tee_local $5
-                                  (i32.sub
-                                    (i32.const 0)
-                                    (get_local $5)
-                                  )
-                                )
-                                (i32.gt_s
+                          (set_local $9
+                            (select
+                              (i32.const 9)
+                              (tee_local $5
+                                (i32.sub
+                                  (i32.const 0)
                                   (get_local $5)
-                                  (i32.const 9)
                                 )
                               )
+                              (i32.gt_s
+                                (get_local $5)
+                                (i32.const 9)
+                              )
                             )
-                            (set_local $6
-                              (select
-                                (i32.add
-                                  (tee_local $5
-                                    (select
-                                      (get_local $10)
-                                      (tee_local $7
-                                        (block $do-once$78
-                                          (if
-                                            (i32.lt_u
+                          )
+                          (set_local $6
+                            (select
+                              (i32.add
+                                (tee_local $5
+                                  (select
+                                    (get_local $10)
+                                    (tee_local $7
+                                      (block $do-once$78
+                                        (if
+                                          (i32.lt_u
+                                            (get_local $7)
+                                            (get_local $19)
+                                          )
+                                          (block
+                                            (set_local $69
+                                              (i32.add
+                                                (i32.shl
+                                                  (i32.const 1)
+                                                  (get_local $9)
+                                                )
+                                                (i32.const -1)
+                                              )
+                                            )
+                                            (set_local $29
+                                              (i32.shr_u
+                                                (i32.const 1000000000)
+                                                (get_local $9)
+                                              )
+                                            )
+                                            (set_local $6
+                                              (i32.const 0)
+                                            )
+                                            (set_local $14
                                               (get_local $7)
-                                              (get_local $19)
                                             )
-                                            (block
-                                              (set_local $69
+                                            (loop $while-in$81
+                                              (i32.store
+                                                (get_local $14)
                                                 (i32.add
-                                                  (i32.shl
-                                                    (i32.const 1)
+                                                  (i32.shr_u
+                                                    (tee_local $5
+                                                      (i32.load
+                                                        (get_local $14)
+                                                      )
+                                                    )
                                                     (get_local $9)
                                                   )
-                                                  (i32.const -1)
-                                                )
-                                              )
-                                              (set_local $29
-                                                (i32.shr_u
-                                                  (i32.const 1000000000)
-                                                  (get_local $9)
+                                                  (get_local $6)
                                                 )
                                               )
                                               (set_local $6
-                                                (i32.const 0)
-                                              )
-                                              (set_local $14
-                                                (get_local $7)
+                                                (i32.mul
+                                                  (i32.and
+                                                    (get_local $5)
+                                                    (get_local $69)
+                                                  )
+                                                  (get_local $29)
+                                                )
                                               )
-                                              (loop $while-in$81
-                                                (block $while-out$80
-                                                  (i32.store
-                                                    (get_local $14)
+                                              (br_if $while-in$81
+                                                (i32.lt_u
+                                                  (tee_local $14
                                                     (i32.add
-                                                      (i32.shr_u
-                                                        (tee_local $5
-                                                          (i32.load
-                                                            (get_local $14)
-                                                          )
-                                                        )
-                                                        (get_local $9)
-                                                      )
-                                                      (get_local $6)
-                                                    )
-                                                  )
-                                                  (set_local $6
-                                                    (i32.mul
-                                                      (i32.and
-                                                        (get_local $5)
-                                                        (get_local $69)
-                                                      )
-                                                      (get_local $29)
-                                                    )
-                                                  )
-                                                  (br_if $while-out$80
-                                                    (i32.ge_u
-                                                      (tee_local $14
-                                                        (i32.add
-                                                          (get_local $14)
-                                                          (i32.const 4)
-                                                        )
-                                                      )
-                                                      (get_local $19)
+                                                      (get_local $14)
+                                                      (i32.const 4)
                                                     )
                                                   )
-                                                  (br $while-in$81)
+                                                  (get_local $19)
                                                 )
                                               )
-                                              (set_local $5
-                                                (select
+                                            )
+                                            (set_local $5
+                                              (select
+                                                (get_local $7)
+                                                (i32.add
                                                   (get_local $7)
-                                                  (i32.add
-                                                    (get_local $7)
-                                                    (i32.const 4)
-                                                  )
-                                                  (i32.load
-                                                    (get_local $7)
-                                                  )
+                                                  (i32.const 4)
                                                 )
-                                              )
-                                              (br_if $do-once$78
-                                                (get_local $5)
-                                                (i32.eqz
-                                                  (get_local $6)
+                                                (i32.load
+                                                  (get_local $7)
                                                 )
                                               )
-                                              (i32.store
-                                                (get_local $19)
+                                            )
+                                            (br_if $do-once$78
+                                              (get_local $5)
+                                              (i32.eqz
                                                 (get_local $6)
                                               )
-                                              (set_local $19
-                                                (i32.add
-                                                  (get_local $19)
-                                                  (i32.const 4)
-                                                )
-                                              )
-                                              (get_local $5)
                                             )
-                                            (select
-                                              (get_local $7)
+                                            (i32.store
+                                              (get_local $19)
+                                              (get_local $6)
+                                            )
+                                            (set_local $19
                                               (i32.add
-                                                (get_local $7)
+                                                (get_local $19)
                                                 (i32.const 4)
                                               )
-                                              (i32.load
-                                                (get_local $7)
-                                              )
+                                            )
+                                            (get_local $5)
+                                          )
+                                          (select
+                                            (get_local $7)
+                                            (i32.add
+                                              (get_local $7)
+                                              (i32.const 4)
+                                            )
+                                            (i32.load
+                                              (get_local $7)
                                             )
                                           )
                                         )
                                       )
-                                      (get_local $13)
                                     )
-                                  )
-                                  (i32.shl
-                                    (get_local $8)
-                                    (i32.const 2)
+                                    (get_local $13)
                                   )
                                 )
-                                (get_local $19)
-                                (i32.gt_s
-                                  (i32.shr_s
-                                    (i32.sub
-                                      (get_local $19)
-                                      (get_local $5)
-                                    )
-                                    (i32.const 2)
-                                  )
+                                (i32.shl
                                   (get_local $8)
+                                  (i32.const 2)
                                 )
                               )
-                            )
-                            (i32.store
-                              (get_local $24)
-                              (tee_local $5
-                                (i32.add
-                                  (i32.load
-                                    (get_local $24)
+                              (get_local $19)
+                              (i32.gt_s
+                                (i32.shr_s
+                                  (i32.sub
+                                    (get_local $19)
+                                    (get_local $5)
                                   )
-                                  (get_local $9)
+                                  (i32.const 2)
                                 )
+                                (get_local $8)
                               )
                             )
-                            (if
-                              (i32.lt_s
-                                (get_local $5)
-                                (i32.const 0)
+                          )
+                          (i32.store
+                            (get_local $24)
+                            (tee_local $5
+                              (i32.add
+                                (i32.load
+                                  (get_local $24)
+                                )
+                                (get_local $9)
                               )
+                            )
+                          )
+                          (if
+                            (i32.lt_s
+                              (get_local $5)
+                              (i32.const 0)
+                            )
+                            (block
                               (set_local $19
                                 (get_local $6)
                               )
-                              (block
-                                (set_local $19
-                                  (get_local $6)
-                                )
-                                (br $while-out$76)
-                              )
+                              (br $while-in$77)
+                            )
+                            (set_local $19
+                              (get_local $6)
                             )
-                            (br $while-in$77)
                           )
                         )
                       )
@@ -5729,30 +5676,25 @@
                             )
                           )
                           (loop $while-in$85
-                            (block $while-out$84
-                              (set_local $6
-                                (i32.add
-                                  (get_local $6)
-                                  (i32.const 1)
-                                )
+                            (set_local $6
+                              (i32.add
+                                (get_local $6)
+                                (i32.const 1)
                               )
-                              (if
-                                (i32.lt_u
-                                  (get_local $5)
-                                  (tee_local $8
-                                    (i32.mul
-                                      (get_local $8)
-                                      (i32.const 10)
-                                    )
-                                  )
-                                )
-                                (block
-                                  (set_local $14
-                                    (get_local $6)
+                            )
+                            (if
+                              (i32.lt_u
+                                (get_local $5)
+                                (tee_local $8
+                                  (i32.mul
+                                    (get_local $8)
+                                    (i32.const 10)
                                   )
-                                  (br $while-out$84)
                                 )
                               )
+                              (set_local $14
+                                (get_local $6)
+                              )
                               (br $while-in$85)
                             )
                           )
@@ -5862,29 +5804,24 @@
                                 (i32.const 10)
                               )
                               (loop $while-in$87
-                                (block $while-out$86
-                                  (set_local $5
-                                    (i32.mul
-                                      (get_local $5)
-                                      (i32.const 10)
-                                    )
+                                (set_local $5
+                                  (i32.mul
+                                    (get_local $5)
+                                    (i32.const 10)
                                   )
-                                  (if
-                                    (i32.eq
-                                      (tee_local $13
-                                        (i32.add
-                                          (get_local $13)
-                                          (i32.const 1)
-                                        )
-                                      )
-                                      (i32.const 9)
-                                    )
-                                    (block
-                                      (set_local $12
-                                        (get_local $5)
+                                )
+                                (if
+                                  (i32.eq
+                                    (tee_local $13
+                                      (i32.add
+                                        (get_local $13)
+                                        (i32.const 1)
                                       )
-                                      (br $while-out$86)
                                     )
+                                    (i32.const 9)
+                                  )
+                                  (set_local $12
+                                    (get_local $5)
                                   )
                                   (br $while-in$87)
                                 )
@@ -6029,55 +5966,52 @@
                                     (i32.const 999999999)
                                   )
                                   (loop $while-in$93
-                                    (block $while-out$92
-                                      (i32.store
-                                        (get_local $6)
-                                        (i32.const 0)
-                                      )
-                                      (set_local $7
-                                        (if
-                                          (i32.lt_u
-                                            (tee_local $6
-                                              (i32.add
-                                                (get_local $6)
-                                                (i32.const -4)
-                                              )
+                                    (i32.store
+                                      (get_local $6)
+                                      (i32.const 0)
+                                    )
+                                    (set_local $7
+                                      (if
+                                        (i32.lt_u
+                                          (tee_local $6
+                                            (i32.add
+                                              (get_local $6)
+                                              (i32.const -4)
                                             )
-                                            (get_local $7)
                                           )
-                                          (block
-                                            (i32.store
-                                              (tee_local $5
-                                                (i32.add
-                                                  (get_local $7)
-                                                  (i32.const -4)
-                                                )
+                                          (get_local $7)
+                                        )
+                                        (block
+                                          (i32.store
+                                            (tee_local $5
+                                              (i32.add
+                                                (get_local $7)
+                                                (i32.const -4)
                                               )
-                                              (i32.const 0)
                                             )
-                                            (get_local $5)
+                                            (i32.const 0)
                                           )
-                                          (get_local $7)
+                                          (get_local $5)
                                         )
+                                        (get_local $7)
                                       )
-                                      (i32.store
-                                        (get_local $6)
-                                        (tee_local $5
-                                          (i32.add
-                                            (i32.load
-                                              (get_local $6)
-                                            )
-                                            (i32.const 1)
+                                    )
+                                    (i32.store
+                                      (get_local $6)
+                                      (tee_local $5
+                                        (i32.add
+                                          (i32.load
+                                            (get_local $6)
                                           )
+                                          (i32.const 1)
                                         )
                                       )
-                                      (br_if $while-out$92
-                                        (i32.le_u
-                                          (get_local $5)
-                                          (i32.const 999999999)
-                                        )
+                                    )
+                                    (br_if $while-in$93
+                                      (i32.gt_u
+                                        (get_local $5)
+                                        (i32.const 999999999)
                                       )
-                                      (br $while-in$93)
                                     )
                                   )
                                 )
@@ -6113,30 +6047,25 @@
                                   )
                                 )
                                 (loop $while-in$95
-                                  (block $while-out$94
-                                    (set_local $13
-                                      (i32.add
-                                        (get_local $13)
-                                        (i32.const 1)
-                                      )
+                                  (set_local $13
+                                    (i32.add
+                                      (get_local $13)
+                                      (i32.const 1)
                                     )
-                                    (if
-                                      (i32.lt_u
-                                        (get_local $5)
-                                        (tee_local $9
-                                          (i32.mul
-                                            (get_local $9)
-                                            (i32.const 10)
-                                          )
-                                        )
-                                      )
-                                      (block
-                                        (set_local $14
-                                          (get_local $13)
+                                  )
+                                  (if
+                                    (i32.lt_u
+                                      (get_local $5)
+                                      (tee_local $9
+                                        (i32.mul
+                                          (get_local $9)
+                                          (i32.const 10)
                                         )
-                                        (br $while-out$94)
                                       )
                                     )
+                                    (set_local $14
+                                      (get_local $13)
+                                    )
                                     (br $while-in$95)
                                   )
                                 )
@@ -6207,13 +6136,14 @@
                             (set_local $19
                               (get_local $6)
                             )
-                            (br $while-out$96)
                           )
-                          (set_local $6
-                            (get_local $5)
+                          (block
+                            (set_local $6
+                              (get_local $5)
+                            )
+                            (br $while-in$97)
                           )
                         )
-                        (br $while-in$97)
                       )
                     )
                     (set_local $8
@@ -6338,14 +6268,14 @@
                                     )
                                   )
                                   (loop $while-in$103
-                                    (block $while-out$102
-                                      (set_local $6
-                                        (i32.add
-                                          (get_local $6)
-                                          (i32.const 1)
-                                        )
+                                    (set_local $6
+                                      (i32.add
+                                        (get_local $6)
+                                        (i32.const 1)
                                       )
-                                      (br_if $while-out$102
+                                    )
+                                    (br_if $while-in$103
+                                      (i32.eqz
                                         (i32.and
                                           (i32.rem_u
                                             (get_local $1)
@@ -6359,7 +6289,6 @@
                                           (i32.const -1)
                                         )
                                       )
-                                      (br $while-in$103)
                                     )
                                   )
                                 )
@@ -6540,26 +6469,23 @@
                               (i32.const 2)
                             )
                             (loop $while-in$105
-                              (block $while-out$104
-                                (i32.store8
-                                  (tee_local $5
-                                    (i32.add
-                                      (get_local $5)
-                                      (i32.const -1)
-                                    )
+                              (i32.store8
+                                (tee_local $5
+                                  (i32.add
+                                    (get_local $5)
+                                    (i32.const -1)
                                   )
-                                  (i32.const 48)
                                 )
-                                (br_if $while-out$104
-                                  (i32.ge_s
-                                    (i32.sub
-                                      (get_local $38)
-                                      (get_local $5)
-                                    )
-                                    (i32.const 2)
+                                (i32.const 48)
+                              )
+                              (br_if $while-in$105
+                                (i32.lt_s
+                                  (i32.sub
+                                    (get_local $38)
+                                    (get_local $5)
                                   )
+                                  (i32.const 2)
                                 )
-                                (br $while-in$105)
                               )
                             )
                           )
@@ -6669,103 +6595,95 @@
                             )
                           )
                           (loop $while-in$109
-                            (block $while-out$108
-                              (set_local $5
-                                (call $_fmt_u
-                                  (i32.load
-                                    (get_local $7)
-                                  )
-                                  (i32.const 0)
-                                  (get_local $43)
+                            (set_local $5
+                              (call $_fmt_u
+                                (i32.load
+                                  (get_local $7)
                                 )
+                                (i32.const 0)
+                                (get_local $43)
                               )
-                              (block $do-once$110
-                                (if
-                                  (i32.eq
-                                    (get_local $7)
-                                    (get_local $8)
+                            )
+                            (block $do-once$110
+                              (if
+                                (i32.eq
+                                  (get_local $7)
+                                  (get_local $8)
+                                )
+                                (block
+                                  (br_if $do-once$110
+                                    (i32.ne
+                                      (get_local $5)
+                                      (get_local $43)
+                                    )
                                   )
-                                  (block
-                                    (br_if $do-once$110
-                                      (i32.ne
-                                        (get_local $5)
-                                        (get_local $43)
-                                      )
+                                  (i32.store8
+                                    (get_local $52)
+                                    (i32.const 48)
+                                  )
+                                  (set_local $5
+                                    (get_local $52)
+                                  )
+                                )
+                                (block
+                                  (br_if $do-once$110
+                                    (i32.le_u
+                                      (get_local $5)
+                                      (get_local $27)
                                     )
+                                  )
+                                  (loop $while-in$113
                                     (i32.store8
-                                      (get_local $52)
+                                      (tee_local $5
+                                        (i32.add
+                                          (get_local $5)
+                                          (i32.const -1)
+                                        )
+                                      )
                                       (i32.const 48)
                                     )
-                                    (set_local $5
-                                      (get_local $52)
-                                    )
-                                  )
-                                  (block
-                                    (br_if $do-once$110
-                                      (i32.le_u
+                                    (br_if $while-in$113
+                                      (i32.gt_u
                                         (get_local $5)
                                         (get_local $27)
                                       )
                                     )
-                                    (loop $while-in$113
-                                      (block $while-out$112
-                                        (i32.store8
-                                          (tee_local $5
-                                            (i32.add
-                                              (get_local $5)
-                                              (i32.const -1)
-                                            )
-                                          )
-                                          (i32.const 48)
-                                        )
-                                        (br_if $while-out$112
-                                          (i32.le_u
-                                            (get_local $5)
-                                            (get_local $27)
-                                          )
-                                        )
-                                        (br $while-in$113)
-                                      )
-                                    )
                                   )
                                 )
                               )
-                              (if
-                                (i32.eqz
-                                  (i32.and
-                                    (i32.load
-                                      (get_local $0)
-                                    )
-                                    (i32.const 32)
-                                  )
-                                )
-                                (drop
-                                  (call $___fwritex
-                                    (get_local $5)
-                                    (i32.sub
-                                      (get_local $74)
-                                      (get_local $5)
-                                    )
+                            )
+                            (if
+                              (i32.eqz
+                                (i32.and
+                                  (i32.load
                                     (get_local $0)
                                   )
+                                  (i32.const 32)
                                 )
                               )
-                              (if
-                                (i32.gt_u
-                                  (tee_local $7
-                                    (i32.add
-                                      (get_local $7)
-                                      (i32.const 4)
-                                    )
+                              (drop
+                                (call $___fwritex
+                                  (get_local $5)
+                                  (i32.sub
+                                    (get_local $74)
+                                    (get_local $5)
                                   )
-                                  (get_local $10)
+                                  (get_local $0)
                                 )
-                                (block
-                                  (set_local $5
+                              )
+                            )
+                            (if
+                              (i32.gt_u
+                                (tee_local $7
+                                  (i32.add
                                     (get_local $7)
+                                    (i32.const 4)
                                   )
-                                  (br $while-out$108)
                                 )
+                                (get_local $10)
+                              )
+                              (set_local $5
+                                (get_local $7)
                               )
                               (br $while-in$109)
                             )
@@ -6808,98 +6726,92 @@
                               )
                             )
                             (loop $while-in$117
-                              (block $while-out$116
-                                (if
-                                  (i32.gt_u
-                                    (tee_local $1
-                                      (call $_fmt_u
-                                        (i32.load
-                                          (get_local $5)
-                                        )
-                                        (i32.const 0)
-                                        (get_local $43)
+                              (if
+                                (i32.gt_u
+                                  (tee_local $1
+                                    (call $_fmt_u
+                                      (i32.load
+                                        (get_local $5)
                                       )
+                                      (i32.const 0)
+                                      (get_local $43)
                                     )
-                                    (get_local $27)
                                   )
-                                  (loop $while-in$119
-                                    (block $while-out$118
-                                      (i32.store8
-                                        (tee_local $1
-                                          (i32.add
-                                            (get_local $1)
-                                            (i32.const -1)
-                                          )
-                                        )
-                                        (i32.const 48)
-                                      )
-                                      (br_if $while-out$118
-                                        (i32.le_u
-                                          (get_local $1)
-                                          (get_local $27)
-                                        )
+                                  (get_local $27)
+                                )
+                                (loop $while-in$119
+                                  (i32.store8
+                                    (tee_local $1
+                                      (i32.add
+                                        (get_local $1)
+                                        (i32.const -1)
                                       )
-                                      (br $while-in$119)
+                                    )
+                                    (i32.const 48)
+                                  )
+                                  (br_if $while-in$119
+                                    (i32.gt_u
+                                      (get_local $1)
+                                      (get_local $27)
                                     )
                                   )
                                 )
-                                (if
-                                  (i32.eqz
-                                    (i32.and
-                                      (i32.load
-                                        (get_local $0)
-                                      )
-                                      (i32.const 32)
+                              )
+                              (if
+                                (i32.eqz
+                                  (i32.and
+                                    (i32.load
+                                      (get_local $0)
                                     )
+                                    (i32.const 32)
                                   )
-                                  (drop
-                                    (call $___fwritex
-                                      (get_local $1)
-                                      (select
-                                        (i32.const 9)
+                                )
+                                (drop
+                                  (call $___fwritex
+                                    (get_local $1)
+                                    (select
+                                      (i32.const 9)
+                                      (get_local $12)
+                                      (i32.gt_s
                                         (get_local $12)
-                                        (i32.gt_s
-                                          (get_local $12)
-                                          (i32.const 9)
-                                        )
+                                        (i32.const 9)
                                       )
-                                      (get_local $0)
                                     )
+                                    (get_local $0)
                                   )
                                 )
-                                (set_local $1
-                                  (i32.add
+                              )
+                              (set_local $1
+                                (i32.add
+                                  (get_local $12)
+                                  (i32.const -9)
+                                )
+                              )
+                              (if
+                                (i32.and
+                                  (i32.gt_s
                                     (get_local $12)
-                                    (i32.const -9)
+                                    (i32.const 9)
                                   )
-                                )
-                                (if
-                                  (i32.and
-                                    (i32.gt_s
-                                      (get_local $12)
-                                      (i32.const 9)
-                                    )
-                                    (i32.lt_u
-                                      (tee_local $5
-                                        (i32.add
-                                          (get_local $5)
-                                          (i32.const 4)
-                                        )
+                                  (i32.lt_u
+                                    (tee_local $5
+                                      (i32.add
+                                        (get_local $5)
+                                        (i32.const 4)
                                       )
-                                      (get_local $19)
                                     )
+                                    (get_local $19)
                                   )
+                                )
+                                (block
                                   (set_local $12
                                     (get_local $1)
                                   )
-                                  (block
-                                    (set_local $12
-                                      (get_local $1)
-                                    )
-                                    (br $while-out$116)
-                                  )
+                                  (br $while-in$117)
+                                )
+                                (set_local $12
+                                  (get_local $1)
                                 )
-                                (br $while-in$117)
                               )
                             )
                           )
@@ -6940,71 +6852,45 @@
                                 (get_local $7)
                               )
                               (loop $while-in$121
-                                (block $while-out$120
-                                  (set_local $8
-                                    (if
-                                      (i32.eq
-                                        (tee_local $1
-                                          (call $_fmt_u
-                                            (i32.load
-                                              (get_local $5)
-                                            )
-                                            (i32.const 0)
-                                            (get_local $43)
+                                (set_local $8
+                                  (if
+                                    (i32.eq
+                                      (tee_local $1
+                                        (call $_fmt_u
+                                          (i32.load
+                                            (get_local $5)
                                           )
+                                          (i32.const 0)
+                                          (get_local $43)
                                         )
-                                        (get_local $43)
                                       )
-                                      (block
-                                        (i32.store8
-                                          (get_local $52)
-                                          (i32.const 48)
-                                        )
+                                      (get_local $43)
+                                    )
+                                    (block
+                                      (i32.store8
                                         (get_local $52)
+                                        (i32.const 48)
                                       )
-                                      (get_local $1)
+                                      (get_local $52)
                                     )
+                                    (get_local $1)
                                   )
-                                  (block $do-once$122
-                                    (if
-                                      (i32.eq
-                                        (get_local $5)
-                                        (get_local $7)
-                                      )
-                                      (block
-                                        (set_local $1
-                                          (i32.add
-                                            (get_local $8)
-                                            (i32.const 1)
-                                          )
-                                        )
-                                        (if
-                                          (i32.eqz
-                                            (i32.and
-                                              (i32.load
-                                                (get_local $0)
-                                              )
-                                              (i32.const 32)
-                                            )
-                                          )
-                                          (drop
-                                            (call $___fwritex
-                                              (get_local $8)
-                                              (i32.const 1)
-                                              (get_local $0)
-                                            )
-                                          )
-                                        )
-                                        (br_if $do-once$122
-                                          (i32.and
-                                            (get_local $10)
-                                            (i32.lt_s
-                                              (get_local $12)
-                                              (i32.const 1)
-                                            )
-                                          )
+                                )
+                                (block $do-once$122
+                                  (if
+                                    (i32.eq
+                                      (get_local $5)
+                                      (get_local $7)
+                                    )
+                                    (block
+                                      (set_local $1
+                                        (i32.add
+                                          (get_local $8)
+                                          (i32.const 1)
                                         )
-                                        (br_if $do-once$122
+                                      )
+                                      (if
+                                        (i32.eqz
                                           (i32.and
                                             (i32.load
                                               (get_local $0)
@@ -7014,106 +6900,124 @@
                                         )
                                         (drop
                                           (call $___fwritex
-                                            (i32.const 4143)
+                                            (get_local $8)
                                             (i32.const 1)
                                             (get_local $0)
                                           )
                                         )
                                       )
-                                      (block
-                                        (if
-                                          (i32.gt_u
-                                            (get_local $8)
-                                            (get_local $27)
+                                      (br_if $do-once$122
+                                        (i32.and
+                                          (get_local $10)
+                                          (i32.lt_s
+                                            (get_local $12)
+                                            (i32.const 1)
+                                          )
+                                        )
+                                      )
+                                      (br_if $do-once$122
+                                        (i32.and
+                                          (i32.load
+                                            (get_local $0)
                                           )
+                                          (i32.const 32)
+                                        )
+                                      )
+                                      (drop
+                                        (call $___fwritex
+                                          (i32.const 4143)
+                                          (i32.const 1)
+                                          (get_local $0)
+                                        )
+                                      )
+                                    )
+                                    (block
+                                      (if
+                                        (i32.gt_u
+                                          (get_local $8)
+                                          (get_local $27)
+                                        )
+                                        (set_local $1
+                                          (get_local $8)
+                                        )
+                                        (block
                                           (set_local $1
                                             (get_local $8)
                                           )
-                                          (block
-                                            (set_local $1
-                                              (get_local $8)
+                                          (br $do-once$122)
+                                        )
+                                      )
+                                      (loop $while-in$125
+                                        (i32.store8
+                                          (tee_local $1
+                                            (i32.add
+                                              (get_local $1)
+                                              (i32.const -1)
                                             )
-                                            (br $do-once$122)
                                           )
+                                          (i32.const 48)
                                         )
-                                        (loop $while-in$125
-                                          (block $while-out$124
-                                            (i32.store8
-                                              (tee_local $1
-                                                (i32.add
-                                                  (get_local $1)
-                                                  (i32.const -1)
-                                                )
-                                              )
-                                              (i32.const 48)
-                                            )
-                                            (br_if $while-out$124
-                                              (i32.le_u
-                                                (get_local $1)
-                                                (get_local $27)
-                                              )
-                                            )
-                                            (br $while-in$125)
+                                        (br_if $while-in$125
+                                          (i32.gt_u
+                                            (get_local $1)
+                                            (get_local $27)
                                           )
                                         )
                                       )
                                     )
                                   )
-                                  (set_local $8
-                                    (i32.sub
-                                      (get_local $74)
-                                      (get_local $1)
-                                    )
+                                )
+                                (set_local $8
+                                  (i32.sub
+                                    (get_local $74)
+                                    (get_local $1)
                                   )
-                                  (if
-                                    (i32.eqz
-                                      (i32.and
-                                        (i32.load
-                                          (get_local $0)
-                                        )
-                                        (i32.const 32)
+                                )
+                                (if
+                                  (i32.eqz
+                                    (i32.and
+                                      (i32.load
+                                        (get_local $0)
                                       )
+                                      (i32.const 32)
                                     )
-                                    (drop
-                                      (call $___fwritex
-                                        (get_local $1)
-                                        (select
-                                          (get_local $8)
+                                  )
+                                  (drop
+                                    (call $___fwritex
+                                      (get_local $1)
+                                      (select
+                                        (get_local $8)
+                                        (get_local $12)
+                                        (i32.gt_s
                                           (get_local $12)
-                                          (i32.gt_s
-                                            (get_local $12)
-                                            (get_local $8)
-                                          )
+                                          (get_local $8)
                                         )
-                                        (get_local $0)
                                       )
+                                      (get_local $0)
                                     )
                                   )
-                                  (br_if $while-out$120
-                                    (i32.eqz
-                                      (i32.and
-                                        (i32.lt_u
-                                          (tee_local $5
-                                            (i32.add
-                                              (get_local $5)
-                                              (i32.const 4)
-                                            )
-                                          )
-                                          (get_local $13)
+                                )
+                                (br_if $while-in$121
+                                  (i32.and
+                                    (i32.lt_u
+                                      (tee_local $5
+                                        (i32.add
+                                          (get_local $5)
+                                          (i32.const 4)
                                         )
-                                        (i32.gt_s
-                                          (tee_local $12
-                                            (i32.sub
-                                              (get_local $12)
-                                              (get_local $8)
-                                            )
-                                          )
-                                          (i32.const -1)
+                                      )
+                                      (get_local $13)
+                                    )
+                                    (i32.gt_s
+                                      (tee_local $12
+                                        (i32.sub
+                                          (get_local $12)
+                                          (get_local $8)
                                         )
                                       )
+                                      (i32.const -1)
                                     )
                                   )
-                                  (br $while-in$121)
                                 )
                               )
                             )
@@ -7362,34 +7266,34 @@
                       (get_local $26)
                     )
                     (loop $while-in$130
-                      (block $while-out$129
-                        (i32.store8
-                          (tee_local $6
-                            (i32.add
-                              (get_local $6)
-                              (i32.const -1)
-                            )
+                      (i32.store8
+                        (tee_local $6
+                          (i32.add
+                            (get_local $6)
+                            (i32.const -1)
                           )
-                          (i32.and
-                            (i32.or
-                              (i32.and
-                                (i32.load8_s
-                                  (i32.add
-                                    (i32.and
-                                      (get_local $5)
-                                      (i32.const 15)
-                                    )
-                                    (i32.const 4075)
+                        )
+                        (i32.and
+                          (i32.or
+                            (i32.and
+                              (i32.load8_s
+                                (i32.add
+                                  (i32.and
+                                    (get_local $5)
+                                    (i32.const 15)
                                   )
+                                  (i32.const 4075)
                                 )
-                                (i32.const 255)
                               )
-                              (get_local $7)
+                              (i32.const 255)
                             )
-                            (i32.const 255)
+                            (get_local $7)
                           )
+                          (i32.const 255)
                         )
-                        (br_if $while-out$129
+                      )
+                      (br_if $while-in$130
+                        (i32.eqz
                           (i32.and
                             (i32.eqz
                               (tee_local $5
@@ -7407,7 +7311,6 @@
                             )
                           )
                         )
-                        (br $while-in$130)
                       )
                     )
                     (if
@@ -7629,17 +7532,16 @@
                               )
                             )
                           )
-                          (set_local $7
-                            (get_local $1)
-                          )
                           (block
                             (set_local $7
                               (get_local $1)
                             )
-                            (br $while-out$131)
+                            (br $while-in$132)
+                          )
+                          (set_local $7
+                            (get_local $1)
                           )
                         )
-                        (br $while-in$132)
                       )
                     )
                     (if
@@ -7673,92 +7575,91 @@
                           )
                         )
                         (loop $while-in$134
-                          (block $while-out$133
-                            (if
-                              (i32.eqz
-                                (tee_local $1
-                                  (i32.load
-                                    (get_local $8)
-                                  )
-                                )
-                              )
-                              (block
-                                (set_local $36
-                                  (get_local $7)
-                                )
-                                (set_local $11
-                                  (i32.const 98)
+                          (if
+                            (i32.eqz
+                              (tee_local $1
+                                (i32.load
+                                  (get_local $8)
                                 )
-                                (br $label$break$L308)
                               )
                             )
-                            (set_local $8
-                              (i32.add
-                                (get_local $8)
-                                (i32.const 4)
+                            (block
+                              (set_local $36
+                                (get_local $7)
                               )
+                              (set_local $11
+                                (i32.const 98)
+                              )
+                              (br $label$break$L308)
                             )
-                            (if
-                              (i32.gt_s
-                                (tee_local $1
-                                  (i32.add
-                                    (tee_local $5
-                                      (call $_wctomb
-                                        (get_local $62)
-                                        (get_local $1)
-                                      )
+                          )
+                          (set_local $8
+                            (i32.add
+                              (get_local $8)
+                              (i32.const 4)
+                            )
+                          )
+                          (if
+                            (i32.gt_s
+                              (tee_local $1
+                                (i32.add
+                                  (tee_local $5
+                                    (call $_wctomb
+                                      (get_local $62)
+                                      (get_local $1)
                                     )
-                                    (get_local $6)
                                   )
+                                  (get_local $6)
                                 )
+                              )
+                              (get_local $7)
+                            )
+                            (block
+                              (set_local $36
                                 (get_local $7)
                               )
-                              (block
-                                (set_local $36
-                                  (get_local $7)
-                                )
-                                (set_local $11
-                                  (i32.const 98)
-                                )
-                                (br $label$break$L308)
+                              (set_local $11
+                                (i32.const 98)
                               )
+                              (br $label$break$L308)
                             )
-                            (if
-                              (i32.eqz
-                                (i32.and
-                                  (i32.load
-                                    (get_local $0)
-                                  )
-                                  (i32.const 32)
-                                )
-                              )
-                              (drop
-                                (call $___fwritex
-                                  (get_local $62)
-                                  (get_local $5)
+                          )
+                          (if
+                            (i32.eqz
+                              (i32.and
+                                (i32.load
                                   (get_local $0)
                                 )
+                                (i32.const 32)
                               )
                             )
-                            (if
-                              (i32.lt_u
-                                (get_local $1)
-                                (get_local $7)
+                            (drop
+                              (call $___fwritex
+                                (get_local $62)
+                                (get_local $5)
+                                (get_local $0)
                               )
+                            )
+                          )
+                          (if
+                            (i32.lt_u
+                              (get_local $1)
+                              (get_local $7)
+                            )
+                            (block
                               (set_local $6
                                 (get_local $1)
                               )
-                              (block
-                                (set_local $36
-                                  (get_local $7)
-                                )
-                                (set_local $11
-                                  (i32.const 98)
-                                )
-                                (br $while-out$133)
+                              (br $while-in$134)
+                            )
+                            (block
+                              (set_local $36
+                                (get_local $7)
+                              )
+                              (set_local $11
+                                (i32.const 98)
                               )
                             )
-                            (br $while-in$134)
                           )
                         )
                       )
@@ -8078,7 +7979,7 @@
                     (get_local $2)
                   )
                   (if
-                    (i32.ge_s
+                    (i32.lt_s
                       (tee_local $1
                         (i32.add
                           (get_local $1)
@@ -8087,6 +7988,7 @@
                       )
                       (i32.const 10)
                     )
+                    (br $while-in$137)
                     (block
                       (set_local $23
                         (i32.const 1)
@@ -8094,7 +7996,6 @@
                       (br $label$break$L343)
                     )
                   )
-                  (br $while-in$137)
                 )
               )
               (if
@@ -8103,46 +8004,43 @@
                   (i32.const 10)
                 )
                 (loop $while-in$139
-                  (block $while-out$138
-                    (set_local $0
-                      (i32.add
-                        (get_local $1)
-                        (i32.const 1)
-                      )
+                  (set_local $0
+                    (i32.add
+                      (get_local $1)
+                      (i32.const 1)
                     )
-                    (if
-                      (i32.load
-                        (i32.add
-                          (get_local $4)
-                          (i32.shl
-                            (get_local $1)
-                            (i32.const 2)
-                          )
-                        )
-                      )
-                      (block
-                        (set_local $23
-                          (i32.const -1)
+                  )
+                  (if
+                    (i32.load
+                      (i32.add
+                        (get_local $4)
+                        (i32.shl
+                          (get_local $1)
+                          (i32.const 2)
                         )
-                        (br $label$break$L343)
                       )
                     )
-                    (if
-                      (i32.lt_s
-                        (get_local $0)
-                        (i32.const 10)
+                    (block
+                      (set_local $23
+                        (i32.const -1)
                       )
+                      (br $label$break$L343)
+                    )
+                  )
+                  (if
+                    (i32.lt_s
+                      (get_local $0)
+                      (i32.const 10)
+                    )
+                    (block
                       (set_local $1
                         (get_local $0)
                       )
-                      (block
-                        (set_local $23
-                          (i32.const 1)
-                        )
-                        (br $while-out$138)
-                      )
+                      (br $while-in$139)
+                    )
+                    (set_local $23
+                      (i32.const 1)
                     )
-                    (br $while-in$139)
                   )
                 )
                 (set_local $23
@@ -8594,69 +8492,66 @@
             (get_local $1)
           )
           (loop $while-in$1
-            (block $while-out$0
-              (set_local $0
-                (call $___uremdi3
-                  (get_local $3)
-                  (get_local $4)
-                  (i32.const 10)
-                  (i32.const 0)
-                )
+            (set_local $0
+              (call $___uremdi3
+                (get_local $3)
+                (get_local $4)
+                (i32.const 10)
+                (i32.const 0)
               )
-              (i32.store8
-                (tee_local $2
-                  (i32.add
-                    (get_local $2)
-                    (i32.const -1)
-                  )
-                )
-                (i32.and
-                  (i32.or
-                    (get_local $0)
-                    (i32.const 48)
-                  )
-                  (i32.const 255)
+            )
+            (i32.store8
+              (tee_local $2
+                (i32.add
+                  (get_local $2)
+                  (i32.const -1)
                 )
               )
-              (set_local $0
-                (call $___udivdi3
-                  (get_local $3)
-                  (get_local $4)
-                  (i32.const 10)
-                  (i32.const 0)
+              (i32.and
+                (i32.or
+                  (get_local $0)
+                  (i32.const 48)
                 )
+                (i32.const 255)
               )
-              (set_local $1
-                (get_global $tempRet0)
+            )
+            (set_local $0
+              (call $___udivdi3
+                (get_local $3)
+                (get_local $4)
+                (i32.const 10)
+                (i32.const 0)
               )
-              (if
-                (i32.or
-                  (i32.gt_u
+            )
+            (set_local $1
+              (get_global $tempRet0)
+            )
+            (if
+              (i32.or
+                (i32.gt_u
+                  (get_local $4)
+                  (i32.const 9)
+                )
+                (i32.and
+                  (i32.eq
                     (get_local $4)
                     (i32.const 9)
                   )
-                  (i32.and
-                    (i32.eq
-                      (get_local $4)
-                      (i32.const 9)
-                    )
-                    (i32.gt_u
-                      (get_local $3)
-                      (i32.const -1)
-                    )
+                  (i32.gt_u
+                    (get_local $3)
+                    (i32.const -1)
                   )
                 )
-                (block
-                  (set_local $3
-                    (get_local $0)
-                  )
-                  (set_local $4
-                    (get_local $1)
-                  )
+              )
+              (block
+                (set_local $3
+                  (get_local $0)
+                )
+                (set_local $4
+                  (get_local $1)
                 )
-                (br $while-out$0)
+                (br $while-in$1)
               )
-              (br $while-in$1)
             )
           )
           (set_local $3
@@ -8679,53 +8574,50 @@
           (get_local $0)
         )
         (loop $while-in$3
-          (block $while-out$2
-            (i32.store8
-              (tee_local $1
-                (i32.add
-                  (get_local $1)
-                  (i32.const -1)
-                )
-              )
-              (i32.and
-                (i32.or
-                  (i32.and
-                    (i32.rem_u
-                      (get_local $3)
-                      (i32.const 10)
-                    )
-                    (i32.const -1)
-                  )
-                  (i32.const 48)
-                )
-                (i32.const 255)
+          (i32.store8
+            (tee_local $1
+              (i32.add
+                (get_local $1)
+                (i32.const -1)
               )
             )
-            (set_local $0
-              (i32.and
-                (i32.div_u
-                  (get_local $3)
-                  (i32.const 10)
+            (i32.and
+              (i32.or
+                (i32.and
+                  (i32.rem_u
+                    (get_local $3)
+                    (i32.const 10)
+                  )
+                  (i32.const -1)
                 )
-                (i32.const -1)
+                (i32.const 48)
               )
+              (i32.const 255)
             )
-            (if
-              (i32.lt_u
+          )
+          (set_local $0
+            (i32.and
+              (i32.div_u
                 (get_local $3)
                 (i32.const 10)
               )
-              (block
-                (set_local $0
-                  (get_local $1)
-                )
-                (br $while-out$2)
-              )
+              (i32.const -1)
+            )
+          )
+          (if
+            (i32.lt_u
+              (get_local $3)
+              (i32.const 10)
+            )
+            (set_local $0
+              (get_local $1)
+            )
+            (block
               (set_local $3
                 (get_local $0)
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
@@ -8820,44 +8712,41 @@
                 (get_local $7)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $4
-                    (i32.eqz
-                      (i32.and
-                        (tee_local $1
-                          (if
-                            (get_local $4)
-                            (block
-                              (drop
-                                (call $___fwritex
-                                  (get_local $5)
-                                  (i32.const 256)
-                                  (get_local $0)
-                                )
-                              )
-                              (i32.load
+                (set_local $4
+                  (i32.eqz
+                    (i32.and
+                      (tee_local $1
+                        (if
+                          (get_local $4)
+                          (block
+                            (drop
+                              (call $___fwritex
+                                (get_local $5)
+                                (i32.const 256)
                                 (get_local $0)
                               )
                             )
-                            (get_local $1)
+                            (i32.load
+                              (get_local $0)
+                            )
                           )
+                          (get_local $1)
                         )
-                        (i32.const 32)
                       )
+                      (i32.const 32)
                     )
                   )
-                  (br_if $while-out$2
-                    (i32.le_u
-                      (tee_local $3
-                        (i32.add
-                          (get_local $3)
-                          (i32.const -256)
-                        )
+                )
+                (br_if $while-in$3
+                  (i32.gt_u
+                    (tee_local $3
+                      (i32.add
+                        (get_local $3)
+                        (i32.const -256)
                       )
-                      (i32.const 255)
                     )
+                    (i32.const 255)
                   )
-                  (br $while-in$3)
                 )
               )
               (set_local $1
@@ -9743,50 +9632,47 @@
                           )
                         )
                         (loop $while-in$11
-                          (block $while-out$10
-                            (if
-                              (tee_local $2
-                                (i32.load
-                                  (tee_local $5
-                                    (i32.add
-                                      (get_local $4)
-                                      (i32.const 20)
-                                    )
+                          (if
+                            (tee_local $2
+                              (i32.load
+                                (tee_local $5
+                                  (i32.add
+                                    (get_local $4)
+                                    (i32.const 20)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $4
-                                  (get_local $2)
-                                )
-                                (set_local $7
-                                  (get_local $5)
-                                )
-                                (br $while-in$11)
+                            )
+                            (block
+                              (set_local $4
+                                (get_local $2)
                               )
+                              (set_local $7
+                                (get_local $5)
+                              )
+                              (br $while-in$11)
                             )
-                            (if
-                              (tee_local $2
-                                (i32.load
-                                  (tee_local $5
-                                    (i32.add
-                                      (get_local $4)
-                                      (i32.const 16)
-                                    )
+                          )
+                          (if
+                            (tee_local $2
+                              (i32.load
+                                (tee_local $5
+                                  (i32.add
+                                    (get_local $4)
+                                    (i32.const 16)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $4
-                                  (get_local $2)
-                                )
-                                (set_local $7
-                                  (get_local $5)
-                                )
+                            )
+                            (block
+                              (set_local $4
+                                (get_local $2)
                               )
-                              (br $while-out$10)
+                              (set_local $7
+                                (get_local $5)
+                              )
+                              (br $while-in$11)
                             )
-                            (br $while-in$11)
                           )
                         )
                         (if
@@ -10377,80 +10263,78 @@
                         (i32.const 0)
                       )
                       (loop $while-in$18
-                        (block $while-out$17
-                          (if
-                            (i32.lt_u
-                              (tee_local $16
-                                (i32.sub
-                                  (tee_local $3
-                                    (i32.and
-                                      (i32.load offset=4
-                                        (get_local $23)
-                                      )
-                                      (i32.const -8)
+                        (if
+                          (i32.lt_u
+                            (tee_local $16
+                              (i32.sub
+                                (tee_local $3
+                                  (i32.and
+                                    (i32.load offset=4
+                                      (get_local $23)
                                     )
+                                    (i32.const -8)
                                   )
-                                  (get_local $5)
                                 )
+                                (get_local $5)
                               )
-                              (get_local $8)
                             )
-                            (if
-                              (i32.eq
-                                (get_local $3)
-                                (get_local $5)
+                            (get_local $8)
+                          )
+                          (if
+                            (i32.eq
+                              (get_local $3)
+                              (get_local $5)
+                            )
+                            (block
+                              (set_local $25
+                                (get_local $16)
                               )
-                              (block
-                                (set_local $25
-                                  (get_local $16)
-                                )
-                                (set_local $24
-                                  (get_local $23)
-                                )
-                                (set_local $28
-                                  (get_local $23)
-                                )
-                                (set_local $11
-                                  (i32.const 90)
-                                )
-                                (br $label$break$L123)
+                              (set_local $24
+                                (get_local $23)
                               )
-                              (set_local $35
+                              (set_local $28
                                 (get_local $23)
                               )
+                              (set_local $11
+                                (i32.const 90)
+                              )
+                              (br $label$break$L123)
                             )
-                            (set_local $16
-                              (get_local $8)
+                            (set_local $35
+                              (get_local $23)
                             )
                           )
-                          (set_local $15
-                            (select
-                              (get_local $15)
-                              (tee_local $3
-                                (i32.load offset=20
-                                  (get_local $23)
-                                )
+                          (set_local $16
+                            (get_local $8)
+                          )
+                        )
+                        (set_local $15
+                          (select
+                            (get_local $15)
+                            (tee_local $3
+                              (i32.load offset=20
+                                (get_local $23)
                               )
-                              (i32.or
-                                (i32.eqz
-                                  (get_local $3)
-                                )
-                                (i32.eq
-                                  (get_local $3)
-                                  (tee_local $3
-                                    (i32.load
+                            )
+                            (i32.or
+                              (i32.eqz
+                                (get_local $3)
+                              )
+                              (i32.eq
+                                (get_local $3)
+                                (tee_local $3
+                                  (i32.load
+                                    (i32.add
                                       (i32.add
-                                        (i32.add
-                                          (get_local $23)
-                                          (i32.const 16)
-                                        )
-                                        (i32.shl
-                                          (i32.shr_u
-                                            (get_local $11)
-                                            (i32.const 31)
-                                          )
-                                          (i32.const 2)
+                                        (get_local $23)
+                                        (i32.const 16)
+                                      )
+                                      (i32.shl
+                                        (i32.shr_u
+                                          (get_local $11)
+                                          (i32.const 31)
                                         )
+                                        (i32.const 2)
                                       )
                                     )
                                   )
@@ -10458,49 +10342,48 @@
                               )
                             )
                           )
-                          (set_local $11
-                            (i32.shl
-                              (get_local $11)
-                              (i32.xor
-                                (i32.and
-                                  (tee_local $8
-                                    (i32.eqz
-                                      (get_local $3)
-                                    )
+                        )
+                        (set_local $11
+                          (i32.shl
+                            (get_local $11)
+                            (i32.xor
+                              (i32.and
+                                (tee_local $8
+                                  (i32.eqz
+                                    (get_local $3)
                                   )
-                                  (i32.const 1)
                                 )
                                 (i32.const 1)
                               )
+                              (i32.const 1)
                             )
                           )
-                          (if
-                            (get_local $8)
-                            (block
-                              (set_local $30
-                                (get_local $16)
-                              )
-                              (set_local $31
-                                (get_local $15)
-                              )
-                              (set_local $27
-                                (get_local $35)
-                              )
-                              (set_local $11
-                                (i32.const 86)
-                              )
-                              (br $while-out$17)
+                        )
+                        (if
+                          (get_local $8)
+                          (block
+                            (set_local $30
+                              (get_local $16)
                             )
-                            (block
-                              (set_local $8
-                                (get_local $16)
-                              )
-                              (set_local $23
-                                (get_local $3)
-                              )
+                            (set_local $31
+                              (get_local $15)
+                            )
+                            (set_local $27
+                              (get_local $35)
                             )
+                            (set_local $11
+                              (i32.const 86)
+                            )
+                          )
+                          (block
+                            (set_local $8
+                              (get_local $16)
+                            )
+                            (set_local $23
+                              (get_local $3)
+                            )
+                            (br $while-in$18)
                           )
-                          (br $while-in$18)
                         )
                       )
                     )
@@ -10694,84 +10577,79 @@
                     (i32.const 90)
                   )
                   (loop $while-in$20
-                    (block $while-out$19
-                      (set_local $11
-                        (i32.const 0)
-                      )
-                      (set_local $0
-                        (i32.lt_u
-                          (tee_local $3
-                            (i32.sub
-                              (i32.and
-                                (i32.load offset=4
-                                  (get_local $24)
-                                )
-                                (i32.const -8)
+                    (set_local $11
+                      (i32.const 0)
+                    )
+                    (set_local $0
+                      (i32.lt_u
+                        (tee_local $3
+                          (i32.sub
+                            (i32.and
+                              (i32.load offset=4
+                                (get_local $24)
                               )
-                              (get_local $5)
+                              (i32.const -8)
                             )
+                            (get_local $5)
                           )
-                          (get_local $25)
                         )
+                        (get_local $25)
                       )
-                      (set_local $17
-                        (select
-                          (get_local $3)
-                          (get_local $25)
-                          (get_local $0)
-                        )
+                    )
+                    (set_local $17
+                      (select
+                        (get_local $3)
+                        (get_local $25)
+                        (get_local $0)
                       )
-                      (set_local $3
-                        (select
+                    )
+                    (set_local $3
+                      (select
+                        (get_local $24)
+                        (get_local $28)
+                        (get_local $0)
+                      )
+                    )
+                    (if
+                      (tee_local $0
+                        (i32.load offset=16
                           (get_local $24)
-                          (get_local $28)
-                          (get_local $0)
                         )
                       )
-                      (if
-                        (tee_local $0
-                          (i32.load offset=16
-                            (get_local $24)
-                          )
+                      (block
+                        (set_local $25
+                          (get_local $17)
                         )
-                        (block
-                          (set_local $25
-                            (get_local $17)
-                          )
-                          (set_local $24
-                            (get_local $0)
-                          )
-                          (set_local $28
-                            (get_local $3)
-                          )
-                          (br $while-in$20)
+                        (set_local $24
+                          (get_local $0)
+                        )
+                        (set_local $28
+                          (get_local $3)
                         )
+                        (br $while-in$20)
                       )
-                      (if
-                        (tee_local $0
-                          (i32.load offset=20
-                            (get_local $24)
-                          )
+                    )
+                    (if
+                      (tee_local $0
+                        (i32.load offset=20
+                          (get_local $24)
                         )
-                        (block
-                          (set_local $25
-                            (get_local $17)
-                          )
-                          (set_local $24
-                            (get_local $0)
-                          )
-                          (set_local $28
-                            (get_local $3)
-                          )
+                      )
+                      (block
+                        (set_local $25
+                          (get_local $17)
                         )
-                        (block
-                          (set_local $13
-                            (get_local $3)
-                          )
-                          (br $while-out$19)
+                        (set_local $24
+                          (get_local $0)
+                        )
+                        (set_local $28
+                          (get_local $3)
                         )
+                        (br $while-in$20)
+                      )
+                      (set_local $13
+                        (get_local $3)
                       )
-                      (br $while-in$20)
                     )
                   )
                 )
@@ -10864,50 +10742,47 @@
                               )
                             )
                             (loop $while-in$24
-                              (block $while-out$23
-                                (if
-                                  (tee_local $2
-                                    (i32.load
-                                      (tee_local $8
-                                        (i32.add
-                                          (get_local $7)
-                                          (i32.const 20)
-                                        )
+                              (if
+                                (tee_local $2
+                                  (i32.load
+                                    (tee_local $8
+                                      (i32.add
+                                        (get_local $7)
+                                        (i32.const 20)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $7
-                                      (get_local $2)
-                                    )
-                                    (set_local $9
-                                      (get_local $8)
-                                    )
-                                    (br $while-in$24)
+                                )
+                                (block
+                                  (set_local $7
+                                    (get_local $2)
+                                  )
+                                  (set_local $9
+                                    (get_local $8)
                                   )
+                                  (br $while-in$24)
                                 )
-                                (if
-                                  (tee_local $2
-                                    (i32.load
-                                      (tee_local $8
-                                        (i32.add
-                                          (get_local $7)
-                                          (i32.const 16)
-                                        )
+                              )
+                              (if
+                                (tee_local $2
+                                  (i32.load
+                                    (tee_local $8
+                                      (i32.add
+                                        (get_local $7)
+                                        (i32.const 16)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $7
-                                      (get_local $2)
-                                    )
-                                    (set_local $9
-                                      (get_local $8)
-                                    )
+                                )
+                                (block
+                                  (set_local $7
+                                    (get_local $2)
+                                  )
+                                  (set_local $9
+                                    (get_local $8)
                                   )
-                                  (br $while-out$23)
+                                  (br $while-in$24)
                                 )
-                                (br $while-in$24)
                               )
                             )
                             (if
@@ -11546,6 +11421,7 @@
                                     (set_local $2
                                       (get_local $0)
                                     )
+                                    (br $while-in$32)
                                   )
                                   (block
                                     (set_local $41
@@ -11557,10 +11433,8 @@
                                     (set_local $11
                                       (i32.const 145)
                                     )
-                                    (br $while-out$31)
                                   )
                                 )
-                                (br $while-in$32)
                               )
                             )
                             (if
@@ -12031,8 +11905,11 @@
                                 (get_local $16)
                               )
                             )
-                            (set_local $16
-                              (get_local $4)
+                            (block
+                              (set_local $16
+                                (get_local $4)
+                              )
+                              (br $while-in$38)
                             )
                             (block
                               (set_local $11
@@ -12041,7 +11918,6 @@
                               (br $label$break$L259)
                             )
                           )
-                          (br $while-in$38)
                         )
                       )
                       (if
@@ -12497,12 +12373,13 @@
                         (get_local $8)
                       )
                     )
-                    (set_local $8
-                      (get_local $4)
+                    (block
+                      (set_local $8
+                        (get_local $4)
+                      )
+                      (br $while-in$49)
                     )
-                    (br $while-out$48)
                   )
-                  (br $while-in$49)
                 )
               )
               (if
@@ -12660,21 +12537,16 @@
                     )
                   )
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=8
-                          (get_local $1)
-                        )
+                    (tee_local $1
+                      (i32.load offset=8
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $26
-                        (i32.const 624)
-                      )
-                      (br $while-out$50)
+                    (br $while-in$51)
+                    (set_local $26
+                      (i32.const 624)
                     )
                   )
-                  (br $while-in$51)
                 )
               )
               (if
@@ -13066,50 +12938,47 @@
                                                   )
                                                 )
                                                 (loop $while-in$62
-                                                  (block $while-out$61
-                                                    (if
-                                                      (tee_local $1
-                                                        (i32.load
-                                                          (tee_local $20
-                                                            (i32.add
-                                                              (get_local $4)
-                                                              (i32.const 20)
-                                                            )
+                                                  (if
+                                                    (tee_local $1
+                                                      (i32.load
+                                                        (tee_local $20
+                                                          (i32.add
+                                                            (get_local $4)
+                                                            (i32.const 20)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $4
-                                                          (get_local $1)
-                                                        )
-                                                        (set_local $9
-                                                          (get_local $20)
-                                                        )
-                                                        (br $while-in$62)
+                                                    )
+                                                    (block
+                                                      (set_local $4
+                                                        (get_local $1)
+                                                      )
+                                                      (set_local $9
+                                                        (get_local $20)
                                                       )
+                                                      (br $while-in$62)
                                                     )
-                                                    (if
-                                                      (tee_local $1
-                                                        (i32.load
-                                                          (tee_local $20
-                                                            (i32.add
-                                                              (get_local $4)
-                                                              (i32.const 16)
-                                                            )
+                                                  )
+                                                  (if
+                                                    (tee_local $1
+                                                      (i32.load
+                                                        (tee_local $20
+                                                          (i32.add
+                                                            (get_local $4)
+                                                            (i32.const 16)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $4
-                                                          (get_local $1)
-                                                        )
-                                                        (set_local $9
-                                                          (get_local $20)
-                                                        )
+                                                    )
+                                                    (block
+                                                      (set_local $4
+                                                        (get_local $1)
                                                       )
-                                                      (br $while-out$61)
+                                                      (set_local $9
+                                                        (get_local $20)
+                                                      )
+                                                      (br $while-in$62)
                                                     )
-                                                    (br $while-in$62)
                                                   )
                                                 )
                                                 (if
@@ -13750,6 +13619,7 @@
                                   (set_local $2
                                     (get_local $0)
                                   )
+                                  (br $while-in$72)
                                 )
                                 (block
                                   (set_local $45
@@ -13761,10 +13631,8 @@
                                   (set_local $11
                                     (i32.const 278)
                                   )
-                                  (br $while-out$71)
                                 )
                               )
-                              (br $while-in$72)
                             )
                           )
                           (if
@@ -14071,26 +13939,23 @@
                 )
               )
               (loop $while-in$76
-                (block $while-out$75
-                  (i32.store
-                    (tee_local $1
-                      (i32.add
-                        (get_local $1)
-                        (i32.const 4)
-                      )
+                (i32.store
+                  (tee_local $1
+                    (i32.add
+                      (get_local $1)
+                      (i32.const 4)
                     )
-                    (i32.const 7)
                   )
-                  (br_if $while-out$75
-                    (i32.ge_u
-                      (i32.add
-                        (get_local $1)
-                        (i32.const 4)
-                      )
-                      (get_local $2)
+                  (i32.const 7)
+                )
+                (br_if $while-in$76
+                  (i32.lt_u
+                    (i32.add
+                      (get_local $1)
+                      (i32.const 4)
                     )
+                    (get_local $2)
                   )
-                  (br $while-in$76)
                 )
               )
               (if
@@ -14465,6 +14330,7 @@
                           (set_local $4
                             (get_local $1)
                           )
+                          (br $while-in$78)
                         )
                         (block
                           (set_local $46
@@ -14476,10 +14342,8 @@
                           (set_local $11
                             (i32.const 304)
                           )
-                          (br $while-out$77)
                         )
                       )
-                      (br $while-in$78)
                     )
                   )
                   (if
@@ -14618,38 +14482,35 @@
                 (i32.const 0)
               )
               (loop $while-in$47
-                (block $while-out$46
-                  (i32.store offset=12
-                    (tee_local $0
-                      (i32.add
-                        (i32.const 216)
+                (i32.store offset=12
+                  (tee_local $0
+                    (i32.add
+                      (i32.const 216)
+                      (i32.shl
                         (i32.shl
-                          (i32.shl
-                            (get_local $1)
-                            (i32.const 1)
-                          )
-                          (i32.const 2)
+                          (get_local $1)
+                          (i32.const 1)
                         )
+                        (i32.const 2)
                       )
                     )
-                    (get_local $0)
                   )
-                  (i32.store offset=8
-                    (get_local $0)
-                    (get_local $0)
-                  )
-                  (br_if $while-out$46
-                    (i32.eq
-                      (tee_local $1
-                        (i32.add
-                          (get_local $1)
-                          (i32.const 1)
-                        )
+                  (get_local $0)
+                )
+                (i32.store offset=8
+                  (get_local $0)
+                  (get_local $0)
+                )
+                (br_if $while-in$47
+                  (i32.ne
+                    (tee_local $1
+                      (i32.add
+                        (get_local $1)
+                        (i32.const 1)
                       )
-                      (i32.const 32)
                     )
+                    (i32.const 32)
                   )
-                  (br $while-in$47)
                 )
               )
               (i32.store
@@ -15158,50 +15019,47 @@
                   )
                 )
                 (loop $while-in$5
-                  (block $while-out$4
-                    (if
-                      (tee_local $0
-                        (i32.load
-                          (tee_local $13
-                            (i32.add
-                              (get_local $2)
-                              (i32.const 20)
-                            )
+                  (if
+                    (tee_local $0
+                      (i32.load
+                        (tee_local $13
+                          (i32.add
+                            (get_local $2)
+                            (i32.const 20)
                           )
                         )
                       )
-                      (block
-                        (set_local $2
-                          (get_local $0)
-                        )
-                        (set_local $6
-                          (get_local $13)
-                        )
-                        (br $while-in$5)
+                    )
+                    (block
+                      (set_local $2
+                        (get_local $0)
+                      )
+                      (set_local $6
+                        (get_local $13)
                       )
+                      (br $while-in$5)
                     )
-                    (if
-                      (tee_local $0
-                        (i32.load
-                          (tee_local $13
-                            (i32.add
-                              (get_local $2)
-                              (i32.const 16)
-                            )
+                  )
+                  (if
+                    (tee_local $0
+                      (i32.load
+                        (tee_local $13
+                          (i32.add
+                            (get_local $2)
+                            (i32.const 16)
                           )
                         )
                       )
-                      (block
-                        (set_local $2
-                          (get_local $0)
-                        )
-                        (set_local $6
-                          (get_local $13)
-                        )
+                    )
+                    (block
+                      (set_local $2
+                        (get_local $0)
+                      )
+                      (set_local $6
+                        (get_local $13)
                       )
-                      (br $while-out$4)
+                      (br $while-in$5)
                     )
-                    (br $while-in$5)
                   )
                 )
                 (if
@@ -15825,50 +15683,47 @@
                       )
                     )
                     (loop $while-in$13
-                      (block $while-out$12
-                        (if
-                          (tee_local $1
-                            (i32.load
-                              (tee_local $6
-                                (i32.add
-                                  (get_local $2)
-                                  (i32.const 20)
-                                )
+                      (if
+                        (tee_local $1
+                          (i32.load
+                            (tee_local $6
+                              (i32.add
+                                (get_local $2)
+                                (i32.const 20)
                               )
                             )
                           )
-                          (block
-                            (set_local $2
-                              (get_local $1)
-                            )
-                            (set_local $8
-                              (get_local $6)
-                            )
-                            (br $while-in$13)
+                        )
+                        (block
+                          (set_local $2
+                            (get_local $1)
+                          )
+                          (set_local $8
+                            (get_local $6)
                           )
+                          (br $while-in$13)
                         )
-                        (if
-                          (tee_local $1
-                            (i32.load
-                              (tee_local $6
-                                (i32.add
-                                  (get_local $2)
-                                  (i32.const 16)
-                                )
+                      )
+                      (if
+                        (tee_local $1
+                          (i32.load
+                            (tee_local $6
+                              (i32.add
+                                (get_local $2)
+                                (i32.const 16)
                               )
                             )
                           )
-                          (block
-                            (set_local $2
-                              (get_local $1)
-                            )
-                            (set_local $8
-                              (get_local $6)
-                            )
+                        )
+                        (block
+                          (set_local $2
+                            (get_local $1)
+                          )
+                          (set_local $8
+                            (get_local $6)
                           )
-                          (br $while-out$12)
+                          (br $while-in$13)
                         )
-                        (br $while-in$13)
                       )
                     )
                     (if
@@ -16456,6 +16311,7 @@
                 (set_local $1
                   (get_local $0)
                 )
+                (br $while-in$19)
               )
               (block
                 (set_local $18
@@ -16467,10 +16323,8 @@
                 (set_local $0
                   (i32.const 127)
                 )
-                (br $while-out$18)
               )
             )
-            (br $while-in$19)
           )
         )
         (if
@@ -16606,23 +16460,18 @@
       )
     )
     (loop $while-in$21
-      (block $while-out$20
-        (set_local $0
-          (i32.add
-            (tee_local $7
-              (i32.load
-                (get_local $0)
-              )
+      (set_local $0
+        (i32.add
+          (tee_local $7
+            (i32.load
+              (get_local $0)
             )
-            (i32.const 8)
-          )
-        )
-        (br_if $while-out$20
-          (i32.eqz
-            (get_local $7)
           )
+          (i32.const 8)
         )
-        (br $while-in$21)
+      )
+      (br_if $while-in$21
+        (get_local $7)
       )
     )
     (i32.store
@@ -16738,70 +16587,70 @@
               )
             )
             (loop $while-in$1
-              (block $while-out$0
-                (br_if $while-out$0
-                  (i32.ge_s
-                    (get_local $0)
-                    (get_local $3)
-                  )
-                )
-                (i32.store8
+              (if
+                (i32.lt_s
                   (get_local $0)
-                  (get_local $1)
+                  (get_local $3)
                 )
-                (set_local $0
-                  (i32.add
+                (block
+                  (i32.store8
                     (get_local $0)
-                    (i32.const 1)
+                    (get_local $1)
+                  )
+                  (set_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
+                    )
                   )
+                  (br $while-in$1)
                 )
-                (br $while-in$1)
               )
             )
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.ge_s
-                (get_local $0)
-                (get_local $6)
-              )
-            )
-            (i32.store
+          (if
+            (i32.lt_s
               (get_local $0)
-              (get_local $5)
+              (get_local $6)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (get_local $5)
+              )
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.ge_s
-            (get_local $0)
-            (get_local $4)
-          )
-        )
-        (i32.store8
+      (if
+        (i32.lt_s
           (get_local $0)
-          (get_local $1)
+          (get_local $4)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (get_local $1)
+          )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (i32.sub
@@ -16991,75 +16840,75 @@
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.lt_s
-                (get_local $2)
-                (i32.const 4)
-              )
-            )
-            (i32.store
-              (get_local $0)
-              (i32.load
-                (get_local $1)
-              )
+          (if
+            (i32.ge_s
+              (get_local $2)
+              (i32.const 4)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (i32.load
+                  (get_local $1)
+                )
               )
-            )
-            (set_local $1
-              (i32.add
-                (get_local $1)
-                (i32.const 4)
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
-            )
-            (set_local $2
-              (i32.sub
-                (get_local $2)
-                (i32.const 4)
+              (set_local $1
+                (i32.add
+                  (get_local $1)
+                  (i32.const 4)
+                )
               )
+              (set_local $2
+                (i32.sub
+                  (get_local $2)
+                  (i32.const 4)
+                )
+              )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.le_s
-            (get_local $2)
-            (i32.const 0)
-          )
-        )
-        (i32.store8
-          (get_local $0)
-          (i32.load8_s
-            (get_local $1)
-          )
+      (if
+        (i32.gt_s
+          (get_local $2)
+          (i32.const 0)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (i32.load8_s
+              (get_local $1)
+            )
           )
-        )
-        (set_local $1
-          (i32.add
-            (get_local $1)
-            (i32.const 1)
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
-        )
-        (set_local $2
-          (i32.sub
-            (get_local $2)
-            (i32.const 1)
+          (set_local $1
+            (i32.add
+              (get_local $1)
+              (i32.const 1)
+            )
+          )
+          (set_local $2
+            (i32.sub
+              (get_local $2)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (get_local $3)
diff --git a/test/memorygrowth.fromasm b/test/memorygrowth.fromasm
index 85105c556..61b85f883 100644
--- a/test/memorygrowth.fromasm
+++ b/test/memorygrowth.fromasm
@@ -964,50 +964,47 @@
                           )
                         )
                         (loop $while-in$11
-                          (block $while-out$10
-                            (if
-                              (tee_local $7
-                                (i32.load
-                                  (tee_local $8
-                                    (i32.add
-                                      (get_local $11)
-                                      (i32.const 20)
-                                    )
+                          (if
+                            (tee_local $7
+                              (i32.load
+                                (tee_local $8
+                                  (i32.add
+                                    (get_local $11)
+                                    (i32.const 20)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $11
-                                  (get_local $7)
-                                )
-                                (set_local $0
-                                  (get_local $8)
-                                )
-                                (br $while-in$11)
+                            )
+                            (block
+                              (set_local $11
+                                (get_local $7)
+                              )
+                              (set_local $0
+                                (get_local $8)
                               )
+                              (br $while-in$11)
                             )
-                            (if
-                              (tee_local $7
-                                (i32.load
-                                  (tee_local $8
-                                    (i32.add
-                                      (get_local $11)
-                                      (i32.const 16)
-                                    )
+                          )
+                          (if
+                            (tee_local $7
+                              (i32.load
+                                (tee_local $8
+                                  (i32.add
+                                    (get_local $11)
+                                    (i32.const 16)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $11
-                                  (get_local $7)
-                                )
-                                (set_local $0
-                                  (get_local $8)
-                                )
+                            )
+                            (block
+                              (set_local $11
+                                (get_local $7)
+                              )
+                              (set_local $0
+                                (get_local $8)
                               )
-                              (br $while-out$10)
+                              (br $while-in$11)
                             )
-                            (br $while-in$11)
                           )
                         )
                         (if
@@ -1610,90 +1607,88 @@
                         (i32.const 0)
                       )
                       (loop $while-in$18
-                        (block $while-out$17
-                          (if
-                            (i32.lt_u
-                              (tee_local $29
-                                (i32.sub
-                                  (tee_local $27
-                                    (i32.and
-                                      (i32.load offset=4
-                                        (get_local $19)
-                                      )
-                                      (i32.const -8)
+                        (if
+                          (i32.lt_u
+                            (tee_local $29
+                              (i32.sub
+                                (tee_local $27
+                                  (i32.and
+                                    (i32.load offset=4
+                                      (get_local $19)
                                     )
+                                    (i32.const -8)
                                   )
-                                  (get_local $2)
                                 )
+                                (get_local $2)
                               )
-                              (get_local $7)
                             )
-                            (if
-                              (i32.eq
-                                (get_local $27)
-                                (get_local $2)
+                            (get_local $7)
+                          )
+                          (if
+                            (i32.eq
+                              (get_local $27)
+                              (get_local $2)
+                            )
+                            (block
+                              (set_local $36
+                                (get_local $29)
                               )
-                              (block
-                                (set_local $36
-                                  (get_local $29)
-                                )
-                                (set_local $18
-                                  (get_local $19)
-                                )
-                                (set_local $17
-                                  (get_local $19)
-                                )
-                                (set_local $7
-                                  (i32.const 90)
-                                )
-                                (br $label$break$a)
+                              (set_local $18
+                                (get_local $19)
                               )
-                              (block
-                                (set_local $4
-                                  (get_local $29)
-                                )
-                                (set_local $0
-                                  (get_local $19)
-                                )
+                              (set_local $17
+                                (get_local $19)
+                              )
+                              (set_local $7
+                                (i32.const 90)
                               )
+                              (br $label$break$a)
                             )
                             (block
                               (set_local $4
-                                (get_local $7)
+                                (get_local $29)
                               )
                               (set_local $0
-                                (get_local $5)
+                                (get_local $19)
                               )
                             )
                           )
-                          (set_local $27
-                            (select
-                              (get_local $25)
-                              (tee_local $29
-                                (i32.load offset=20
-                                  (get_local $19)
-                                )
+                          (block
+                            (set_local $4
+                              (get_local $7)
+                            )
+                            (set_local $0
+                              (get_local $5)
+                            )
+                          )
+                        )
+                        (set_local $27
+                          (select
+                            (get_local $25)
+                            (tee_local $29
+                              (i32.load offset=20
+                                (get_local $19)
                               )
-                              (i32.or
-                                (i32.eqz
-                                  (get_local $29)
-                                )
-                                (i32.eq
-                                  (get_local $29)
-                                  (tee_local $19
-                                    (i32.load
+                            )
+                            (i32.or
+                              (i32.eqz
+                                (get_local $29)
+                              )
+                              (i32.eq
+                                (get_local $29)
+                                (tee_local $19
+                                  (i32.load
+                                    (i32.add
                                       (i32.add
-                                        (i32.add
-                                          (get_local $19)
-                                          (i32.const 16)
-                                        )
-                                        (i32.shl
-                                          (i32.shr_u
-                                            (get_local $3)
-                                            (i32.const 31)
-                                          )
-                                          (i32.const 2)
+                                        (get_local $19)
+                                        (i32.const 16)
+                                      )
+                                      (i32.shl
+                                        (i32.shr_u
+                                          (get_local $3)
+                                          (i32.const 31)
                                         )
+                                        (i32.const 2)
                                       )
                                     )
                                   )
@@ -1701,52 +1696,51 @@
                               )
                             )
                           )
-                          (if
-                            (tee_local $29
-                              (i32.eqz
-                                (get_local $19)
-                              )
+                        )
+                        (if
+                          (tee_local $29
+                            (i32.eqz
+                              (get_local $19)
                             )
-                            (block
-                              (set_local $40
-                                (get_local $4)
-                              )
-                              (set_local $12
-                                (get_local $27)
-                              )
-                              (set_local $38
-                                (get_local $0)
-                              )
-                              (set_local $7
-                                (i32.const 86)
-                              )
-                              (br $while-out$17)
+                          )
+                          (block
+                            (set_local $40
+                              (get_local $4)
                             )
-                            (block
-                              (set_local $7
-                                (get_local $4)
-                              )
-                              (set_local $25
-                                (get_local $27)
-                              )
-                              (set_local $3
-                                (i32.shl
-                                  (get_local $3)
-                                  (i32.xor
-                                    (i32.and
-                                      (get_local $29)
-                                      (i32.const 1)
-                                    )
+                            (set_local $12
+                              (get_local $27)
+                            )
+                            (set_local $38
+                              (get_local $0)
+                            )
+                            (set_local $7
+                              (i32.const 86)
+                            )
+                          )
+                          (block
+                            (set_local $7
+                              (get_local $4)
+                            )
+                            (set_local $25
+                              (get_local $27)
+                            )
+                            (set_local $3
+                              (i32.shl
+                                (get_local $3)
+                                (i32.xor
+                                  (i32.and
+                                    (get_local $29)
                                     (i32.const 1)
                                   )
+                                  (i32.const 1)
                                 )
                               )
-                              (set_local $5
-                                (get_local $0)
-                              )
                             )
+                            (set_local $5
+                              (get_local $0)
+                            )
+                            (br $while-in$18)
                           )
-                          (br $while-in$18)
                         )
                       )
                     )
@@ -1943,84 +1937,81 @@
                     (i32.const 90)
                   )
                   (loop $while-in$20
-                    (block $while-out$19
-                      (set_local $7
-                        (i32.const 0)
-                      )
-                      (set_local $3
-                        (i32.lt_u
-                          (tee_local $5
-                            (i32.sub
-                              (i32.and
-                                (i32.load offset=4
-                                  (get_local $18)
-                                )
-                                (i32.const -8)
+                    (set_local $7
+                      (i32.const 0)
+                    )
+                    (set_local $3
+                      (i32.lt_u
+                        (tee_local $5
+                          (i32.sub
+                            (i32.and
+                              (i32.load offset=4
+                                (get_local $18)
                               )
-                              (get_local $2)
+                              (i32.const -8)
                             )
+                            (get_local $2)
                           )
-                          (get_local $36)
                         )
+                        (get_local $36)
                       )
-                      (set_local $12
-                        (select
-                          (get_local $5)
-                          (get_local $36)
+                    )
+                    (set_local $12
+                      (select
+                        (get_local $5)
+                        (get_local $36)
+                        (get_local $3)
+                      )
+                    )
+                    (set_local $5
+                      (select
+                        (get_local $18)
+                        (get_local $17)
+                        (get_local $3)
+                      )
+                    )
+                    (if
+                      (tee_local $3
+                        (i32.load offset=16
+                          (get_local $18)
+                        )
+                      )
+                      (block
+                        (set_local $36
+                          (get_local $12)
+                        )
+                        (set_local $18
                           (get_local $3)
                         )
+                        (set_local $17
+                          (get_local $5)
+                        )
+                        (br $while-in$20)
                       )
-                      (set_local $5
-                        (select
+                    )
+                    (if
+                      (tee_local $18
+                        (i32.load offset=20
                           (get_local $18)
-                          (get_local $17)
-                          (get_local $3)
                         )
                       )
-                      (if
-                        (tee_local $3
-                          (i32.load offset=16
-                            (get_local $18)
-                          )
+                      (block
+                        (set_local $36
+                          (get_local $12)
                         )
-                        (block
-                          (set_local $36
-                            (get_local $12)
-                          )
-                          (set_local $18
-                            (get_local $3)
-                          )
-                          (set_local $17
-                            (get_local $5)
-                          )
-                          (br $while-in$20)
+                        (set_local $17
+                          (get_local $5)
                         )
+                        (br $while-in$20)
                       )
-                      (if
-                        (tee_local $18
-                          (i32.load offset=20
-                            (get_local $18)
-                          )
-                        )
-                        (block
-                          (set_local $36
-                            (get_local $12)
-                          )
-                          (set_local $17
-                            (get_local $5)
-                          )
+                      (block
+                        (set_local $22
+                          (get_local $12)
                         )
-                        (block
-                          (set_local $22
-                            (get_local $12)
-                          )
-                          (set_local $9
-                            (get_local $5)
-                          )
-                          (br $while-out$19)
+                        (set_local $9
+                          (get_local $5)
                         )
                       )
-                      (br $while-in$20)
                     )
                   )
                 )
@@ -2118,50 +2109,47 @@
                               )
                             )
                             (loop $while-in$24
-                              (block $while-out$23
-                                (if
-                                  (tee_local $16
-                                    (i32.load
-                                      (tee_local $14
-                                        (i32.add
-                                          (get_local $11)
-                                          (i32.const 20)
-                                        )
+                              (if
+                                (tee_local $16
+                                  (i32.load
+                                    (tee_local $14
+                                      (i32.add
+                                        (get_local $11)
+                                        (i32.const 20)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $11
-                                      (get_local $16)
-                                    )
-                                    (set_local $0
-                                      (get_local $14)
-                                    )
-                                    (br $while-in$24)
+                                )
+                                (block
+                                  (set_local $11
+                                    (get_local $16)
+                                  )
+                                  (set_local $0
+                                    (get_local $14)
                                   )
+                                  (br $while-in$24)
                                 )
-                                (if
-                                  (tee_local $16
-                                    (i32.load
-                                      (tee_local $14
-                                        (i32.add
-                                          (get_local $11)
-                                          (i32.const 16)
-                                        )
+                              )
+                              (if
+                                (tee_local $16
+                                  (i32.load
+                                    (tee_local $14
+                                      (i32.add
+                                        (get_local $11)
+                                        (i32.const 16)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $11
-                                      (get_local $16)
-                                    )
-                                    (set_local $0
-                                      (get_local $14)
-                                    )
+                                )
+                                (block
+                                  (set_local $11
+                                    (get_local $16)
                                   )
-                                  (br $while-out$23)
+                                  (set_local $0
+                                    (get_local $14)
+                                  )
+                                  (br $while-in$24)
                                 )
-                                (br $while-in$24)
                               )
                             )
                             (if
@@ -2797,6 +2785,7 @@
                                     (set_local $14
                                       (get_local $3)
                                     )
+                                    (br $while-in$32)
                                   )
                                   (block
                                     (set_local $6
@@ -2808,10 +2797,8 @@
                                     (set_local $7
                                       (i32.const 145)
                                     )
-                                    (br $while-out$31)
                                   )
                                 )
-                                (br $while-in$32)
                               )
                             )
                             (if
@@ -3286,13 +3273,12 @@
                             )
                           )
                           (if
-                            (i32.eqz
-                              (tee_local $13
-                                (i32.load offset=8
-                                  (get_local $13)
-                                )
+                            (tee_local $13
+                              (i32.load offset=8
+                                (get_local $13)
                               )
                             )
+                            (br $while-in$36)
                             (block
                               (set_local $7
                                 (i32.const 171)
@@ -3300,7 +3286,6 @@
                               (br $label$break$c)
                             )
                           )
-                          (br $while-in$36)
                         )
                       )
                       (if
@@ -3927,21 +3912,16 @@
                     )
                   )
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=8
-                          (get_local $1)
-                        )
+                    (tee_local $1
+                      (i32.load offset=8
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $37
-                        (i32.const 1656)
-                      )
-                      (br $while-out$48)
+                    (br $while-in$49)
+                    (set_local $37
+                      (i32.const 1656)
                     )
                   )
-                  (br $while-in$49)
                 )
               )
               (if
@@ -4340,50 +4320,47 @@
                                                   )
                                                 )
                                                 (loop $while-in$60
-                                                  (block $while-out$59
-                                                    (if
-                                                      (tee_local $20
-                                                        (i32.load
-                                                          (tee_local $13
-                                                            (i32.add
-                                                              (get_local $11)
-                                                              (i32.const 20)
-                                                            )
+                                                  (if
+                                                    (tee_local $20
+                                                      (i32.load
+                                                        (tee_local $13
+                                                          (i32.add
+                                                            (get_local $11)
+                                                            (i32.const 20)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $11
-                                                          (get_local $20)
-                                                        )
-                                                        (set_local $0
-                                                          (get_local $13)
-                                                        )
-                                                        (br $while-in$60)
+                                                    )
+                                                    (block
+                                                      (set_local $11
+                                                        (get_local $20)
                                                       )
+                                                      (set_local $0
+                                                        (get_local $13)
+                                                      )
+                                                      (br $while-in$60)
                                                     )
-                                                    (if
-                                                      (tee_local $20
-                                                        (i32.load
-                                                          (tee_local $13
-                                                            (i32.add
-                                                              (get_local $11)
-                                                              (i32.const 16)
-                                                            )
+                                                  )
+                                                  (if
+                                                    (tee_local $20
+                                                      (i32.load
+                                                        (tee_local $13
+                                                          (i32.add
+                                                            (get_local $11)
+                                                            (i32.const 16)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $11
-                                                          (get_local $20)
-                                                        )
-                                                        (set_local $0
-                                                          (get_local $13)
-                                                        )
+                                                    )
+                                                    (block
+                                                      (set_local $11
+                                                        (get_local $20)
                                                       )
-                                                      (br $while-out$59)
+                                                      (set_local $0
+                                                        (get_local $13)
+                                                      )
+                                                      (br $while-in$60)
                                                     )
-                                                    (br $while-in$60)
                                                   )
                                                 )
                                                 (if
@@ -5017,6 +4994,7 @@
                                   (set_local $6
                                     (get_local $17)
                                   )
+                                  (br $while-in$70)
                                 )
                                 (block
                                   (set_local $48
@@ -5028,10 +5006,8 @@
                                   (set_local $7
                                     (i32.const 276)
                                   )
-                                  (br $while-out$69)
                                 )
                               )
-                              (br $while-in$70)
                             )
                           )
                           (if
@@ -5729,6 +5705,7 @@
                           (set_local $17
                             (get_local $6)
                           )
+                          (br $while-in$76)
                         )
                         (block
                           (set_local $26
@@ -5740,10 +5717,8 @@
                           (set_local $7
                             (i32.const 302)
                           )
-                          (br $while-out$75)
                         )
                       )
-                      (br $while-in$76)
                     )
                   )
                   (if
@@ -6425,58 +6400,55 @@
                   )
                 )
                 (loop $while-in$5
-                  (block $while-out$4
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $6
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 20)
-                            )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $6
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 20)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $4
-                          (get_local $6)
-                        )
-                        (br $while-in$5)
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
+                      )
+                      (set_local $4
+                        (get_local $6)
                       )
+                      (br $while-in$5)
                     )
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $6
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 16)
-                            )
+                  )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $6
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 16)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $4
-                          (get_local $6)
-                        )
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
                       )
-                      (block
-                        (set_local $6
-                          (get_local $1)
-                        )
-                        (set_local $10
-                          (get_local $4)
-                        )
-                        (br $while-out$4)
+                      (set_local $4
+                        (get_local $6)
+                      )
+                      (br $while-in$5)
+                    )
+                    (block
+                      (set_local $6
+                        (get_local $1)
+                      )
+                      (set_local $10
+                        (get_local $4)
                       )
                     )
-                    (br $while-in$5)
                   )
                 )
                 (if
@@ -7099,50 +7071,47 @@
                       )
                     )
                     (loop $while-in$13
-                      (block $while-out$12
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 20)
-                                )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 20)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $4
-                              (get_local $1)
-                            )
-                            (br $while-in$13)
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $4
+                            (get_local $1)
                           )
+                          (br $while-in$13)
                         )
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 16)
-                                )
+                      )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 16)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $4
-                              (get_local $1)
-                            )
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $4
+                            (get_local $1)
                           )
-                          (br $while-out$12)
+                          (br $while-in$13)
                         )
-                        (br $while-in$13)
                       )
                     )
                     (if
@@ -7730,6 +7699,7 @@
                 (set_local $1
                   (get_local $12)
                 )
+                (br $while-in$19)
               )
               (block
                 (set_local $18
@@ -7741,10 +7711,8 @@
                 (set_local $0
                   (i32.const 127)
                 )
-                (br $while-out$18)
               )
             )
-            (br $while-in$19)
           )
         )
         (if
@@ -7880,22 +7848,21 @@
       )
     )
     (loop $while-in$21
-      (block $while-out$20
-        (if
-          (tee_local $2
-            (i32.load
-              (get_local $0)
-            )
+      (if
+        (tee_local $2
+          (i32.load
+            (get_local $0)
           )
+        )
+        (block
           (set_local $0
             (i32.add
               (get_local $2)
               (i32.const 8)
             )
           )
-          (br $while-out$20)
+          (br $while-in$21)
         )
-        (br $while-in$21)
       )
     )
     (i32.store
@@ -8093,121 +8060,122 @@
             (set_local $1
               (i32.const 8)
             )
-            (br $while-out$0)
-          )
-        )
-        (set_local $10
-          (i32.sub
-            (get_local $5)
-            (get_local $6)
           )
-        )
-        (set_local $3
-          (if
-            (i32.gt_u
-              (get_local $6)
-              (tee_local $5
-                (i32.load offset=4
-                  (get_local $4)
-                )
+          (block
+            (set_local $10
+              (i32.sub
+                (get_local $5)
+                (get_local $6)
               )
             )
-            (block
-              (i32.store
-                (get_local $9)
-                (tee_local $7
-                  (i32.load
-                    (get_local $8)
-                  )
-                )
-              )
-              (i32.store
-                (get_local $14)
-                (get_local $7)
-              )
-              (set_local $6
-                (i32.sub
+            (set_local $3
+              (if
+                (i32.gt_u
                   (get_local $6)
-                  (get_local $5)
-                )
-              )
-              (set_local $7
-                (i32.add
-                  (get_local $4)
-                  (i32.const 8)
+                  (tee_local $5
+                    (i32.load offset=4
+                      (get_local $4)
+                    )
+                  )
                 )
-              )
-              (set_local $15
-                (i32.add
-                  (get_local $3)
-                  (i32.const -1)
+                (block
+                  (i32.store
+                    (get_local $9)
+                    (tee_local $7
+                      (i32.load
+                        (get_local $8)
+                      )
+                    )
+                  )
+                  (i32.store
+                    (get_local $14)
+                    (get_local $7)
+                  )
+                  (set_local $6
+                    (i32.sub
+                      (get_local $6)
+                      (get_local $5)
+                    )
+                  )
+                  (set_local $7
+                    (i32.add
+                      (get_local $4)
+                      (i32.const 8)
+                    )
+                  )
+                  (set_local $15
+                    (i32.add
+                      (get_local $3)
+                      (i32.const -1)
+                    )
+                  )
+                  (i32.load offset=12
+                    (get_local $4)
+                  )
                 )
-              )
-              (i32.load offset=12
-                (get_local $4)
-              )
-            )
-            (if
-              (i32.eq
-                (get_local $3)
-                (i32.const 2)
-              )
-              (block
-                (i32.store
-                  (get_local $9)
-                  (i32.add
-                    (i32.load
+                (if
+                  (i32.eq
+                    (get_local $3)
+                    (i32.const 2)
+                  )
+                  (block
+                    (i32.store
                       (get_local $9)
+                      (i32.add
+                        (i32.load
+                          (get_local $9)
+                        )
+                        (get_local $6)
+                      )
                     )
-                    (get_local $6)
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (i32.const 2)
+                    )
+                    (get_local $5)
+                  )
+                  (block
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (get_local $3)
+                    )
+                    (get_local $5)
                   )
                 )
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (i32.const 2)
-                )
-                (get_local $5)
               )
-              (block
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (get_local $3)
+            )
+            (i32.store
+              (get_local $7)
+              (i32.add
+                (i32.load
+                  (get_local $7)
                 )
-                (get_local $5)
+                (get_local $6)
               )
             )
-          )
-        )
-        (i32.store
-          (get_local $7)
-          (i32.add
-            (i32.load
+            (i32.store offset=4
               (get_local $7)
+              (i32.sub
+                (get_local $3)
+                (get_local $6)
+              )
             )
-            (get_local $6)
-          )
-        )
-        (i32.store offset=4
-          (get_local $7)
-          (i32.sub
-            (get_local $3)
-            (get_local $6)
+            (set_local $4
+              (get_local $7)
+            )
+            (set_local $3
+              (get_local $15)
+            )
+            (set_local $5
+              (get_local $10)
+            )
+            (br $while-in$1)
           )
         )
-        (set_local $4
-          (get_local $7)
-        )
-        (set_local $3
-          (get_local $15)
-        )
-        (set_local $5
-          (get_local $10)
-        )
-        (br $while-in$1)
       )
     )
     (if
@@ -8398,49 +8366,46 @@
                     (get_local $1)
                   )
                   (loop $while-in$3
-                    (block $while-out$2
-                      (if
-                        (i32.eqz
-                          (get_local $3)
+                    (if
+                      (i32.eqz
+                        (get_local $3)
+                      )
+                      (block
+                        (set_local $2
+                          (get_local $0)
                         )
-                        (block
-                          (set_local $2
-                            (get_local $0)
-                          )
-                          (set_local $3
-                            (i32.const 0)
-                          )
-                          (br $label$break$b
-                            (get_local $1)
-                          )
+                        (set_local $3
+                          (i32.const 0)
+                        )
+                        (br $label$break$b
+                          (get_local $1)
                         )
                       )
-                      (if
-                        (i32.eq
-                          (i32.load8_s
-                            (i32.add
-                              (get_local $0)
-                              (tee_local $7
-                                (i32.add
-                                  (get_local $3)
-                                  (i32.const -1)
-                                )
+                    )
+                    (if
+                      (i32.eq
+                        (i32.load8_s
+                          (i32.add
+                            (get_local $0)
+                            (tee_local $7
+                              (i32.add
+                                (get_local $3)
+                                (i32.const -1)
                               )
                             )
                           )
-                          (i32.const 10)
-                        )
-                        (block
-                          (set_local $4
-                            (get_local $3)
-                          )
-                          (br $while-out$2)
                         )
+                        (i32.const 10)
+                      )
+                      (set_local $4
+                        (get_local $3)
+                      )
+                      (block
                         (set_local $3
                           (get_local $7)
                         )
+                        (br $while-in$3)
                       )
-                      (br $while-in$3)
                     )
                   )
                   (br_if $label$break$a
@@ -8539,45 +8504,40 @@
             (get_local $3)
           )
           (loop $while-in$2
-            (block $while-out$1
-              (if
-                (i32.eqz
-                  (i32.load8_s
-                    (get_local $0)
-                  )
+            (if
+              (i32.eqz
+                (i32.load8_s
+                  (get_local $0)
                 )
-                (block
-                  (set_local $5
-                    (get_local $4)
-                  )
-                  (br $label$break$a)
+              )
+              (block
+                (set_local $5
+                  (get_local $4)
                 )
+                (br $label$break$a)
               )
-              (if
-                (i32.eqz
-                  (i32.and
-                    (tee_local $4
-                      (tee_local $0
-                        (i32.add
-                          (get_local $0)
-                          (i32.const 1)
-                        )
-                      )
+            )
+            (if
+              (i32.and
+                (tee_local $4
+                  (tee_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
                     )
-                    (i32.const 3)
-                  )
-                )
-                (block
-                  (set_local $2
-                    (get_local $0)
-                  )
-                  (set_local $1
-                    (i32.const 4)
                   )
-                  (br $while-out$1)
                 )
+                (i32.const 3)
               )
               (br $while-in$2)
+              (block
+                (set_local $2
+                  (get_local $0)
+                )
+                (set_local $1
+                  (i32.const 4)
+                )
+              )
             )
           )
         )
@@ -8601,8 +8561,8 @@
           (get_local $2)
         )
         (loop $while-in$4
-          (block $while-out$3
-            (if
+          (if
+            (i32.eqz
               (i32.and
                 (i32.xor
                   (i32.and
@@ -8620,15 +8580,16 @@
                   (i32.const -16843009)
                 )
               )
-              (br $while-out$3)
+            )
+            (block
               (set_local $1
                 (i32.add
                   (get_local $1)
                   (i32.const 4)
                 )
               )
+              (br $while-in$4)
             )
-            (br $while-in$4)
           )
         )
         (if
@@ -8647,22 +8608,21 @@
               (get_local $1)
             )
             (loop $while-in$6
-              (block $while-out$5
-                (if
-                  (i32.load8_s
-                    (tee_local $1
-                      (i32.add
-                        (get_local $2)
-                        (i32.const 1)
-                      )
+              (if
+                (i32.load8_s
+                  (tee_local $1
+                    (i32.add
+                      (get_local $2)
+                      (i32.const 1)
                     )
                   )
+                )
+                (block
                   (set_local $2
                     (get_local $1)
                   )
-                  (br $while-out$5)
+                  (br $while-in$6)
                 )
-                (br $while-in$6)
               )
             )
           )
@@ -8751,62 +8711,55 @@
                 (get_local $0)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $0
-                    (if
-                      (i32.gt_s
-                        (i32.load offset=76
-                          (get_local $1)
-                        )
-                        (i32.const -1)
-                      )
-                      (call $Ya
+                (set_local $0
+                  (if
+                    (i32.gt_s
+                      (i32.load offset=76
                         (get_local $1)
                       )
-                      (i32.const 0)
-                    )
-                  )
-                  (set_local $2
-                    (if
-                      (i32.gt_u
-                        (i32.load offset=20
-                          (get_local $1)
-                        )
-                        (i32.load offset=28
-                          (get_local $1)
-                        )
-                      )
-                      (i32.or
-                        (call $$a
-                          (get_local $1)
-                        )
-                        (get_local $2)
-                      )
-                      (get_local $2)
+                      (i32.const -1)
                     )
-                  )
-                  (if
-                    (get_local $0)
-                    (call $Ta
+                    (call $Ya
                       (get_local $1)
                     )
+                    (i32.const 0)
                   )
+                )
+                (set_local $2
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=56
-                          (get_local $1)
-                        )
+                    (i32.gt_u
+                      (i32.load offset=20
+                        (get_local $1)
+                      )
+                      (i32.load offset=28
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $0
-                        (get_local $2)
+                    (i32.or
+                      (call $$a
+                        (get_local $1)
                       )
-                      (br $while-out$2)
+                      (get_local $2)
+                    )
+                    (get_local $2)
+                  )
+                )
+                (if
+                  (get_local $0)
+                  (call $Ta
+                    (get_local $1)
+                  )
+                )
+                (if
+                  (tee_local $1
+                    (i32.load offset=56
+                      (get_local $1)
                     )
                   )
                   (br $while-in$3)
+                  (set_local $0
+                    (get_local $2)
+                  )
                 )
               )
             )
@@ -9179,75 +9132,75 @@
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.lt_s
-                (get_local $2)
-                (i32.const 4)
-              )
-            )
-            (i32.store
-              (get_local $0)
-              (i32.load
-                (get_local $1)
-              )
+          (if
+            (i32.ge_s
+              (get_local $2)
+              (i32.const 4)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (i32.load
+                  (get_local $1)
+                )
               )
-            )
-            (set_local $1
-              (i32.add
-                (get_local $1)
-                (i32.const 4)
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
-            )
-            (set_local $2
-              (i32.sub
-                (get_local $2)
-                (i32.const 4)
+              (set_local $1
+                (i32.add
+                  (get_local $1)
+                  (i32.const 4)
+                )
+              )
+              (set_local $2
+                (i32.sub
+                  (get_local $2)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.le_s
-            (get_local $2)
-            (i32.const 0)
-          )
-        )
-        (i32.store8
-          (get_local $0)
-          (i32.load8_s
-            (get_local $1)
-          )
+      (if
+        (i32.gt_s
+          (get_local $2)
+          (i32.const 0)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (i32.load8_s
+              (get_local $1)
+            )
           )
-        )
-        (set_local $1
-          (i32.add
-            (get_local $1)
-            (i32.const 1)
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
-        )
-        (set_local $2
-          (i32.sub
-            (get_local $2)
-            (i32.const 1)
+          (set_local $1
+            (i32.add
+              (get_local $1)
+              (i32.const 1)
+            )
           )
+          (set_local $2
+            (i32.sub
+              (get_local $2)
+              (i32.const 1)
+            )
+          )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (get_local $3)
@@ -9322,70 +9275,70 @@
               )
             )
             (loop $while-in$1
-              (block $while-out$0
-                (br_if $while-out$0
-                  (i32.ge_s
-                    (get_local $0)
-                    (get_local $3)
-                  )
-                )
-                (i32.store8
+              (if
+                (i32.lt_s
                   (get_local $0)
-                  (get_local $1)
+                  (get_local $3)
                 )
-                (set_local $0
-                  (i32.add
+                (block
+                  (i32.store8
                     (get_local $0)
-                    (i32.const 1)
+                    (get_local $1)
+                  )
+                  (set_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
+                    )
                   )
+                  (br $while-in$1)
                 )
-                (br $while-in$1)
               )
             )
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.ge_s
-                (get_local $0)
-                (get_local $6)
-              )
-            )
-            (i32.store
+          (if
+            (i32.lt_s
               (get_local $0)
-              (get_local $5)
+              (get_local $6)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (get_local $5)
+              )
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.ge_s
-            (get_local $0)
-            (get_local $4)
-          )
-        )
-        (i32.store8
+      (if
+        (i32.lt_s
           (get_local $0)
-          (get_local $1)
+          (get_local $4)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (get_local $1)
+          )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (i32.sub
diff --git a/test/memorygrowth.fromasm.imprecise b/test/memorygrowth.fromasm.imprecise
index 6e3124830..44a4bd01d 100644
--- a/test/memorygrowth.fromasm.imprecise
+++ b/test/memorygrowth.fromasm.imprecise
@@ -962,50 +962,47 @@
                           )
                         )
                         (loop $while-in$11
-                          (block $while-out$10
-                            (if
-                              (tee_local $7
-                                (i32.load
-                                  (tee_local $8
-                                    (i32.add
-                                      (get_local $11)
-                                      (i32.const 20)
-                                    )
+                          (if
+                            (tee_local $7
+                              (i32.load
+                                (tee_local $8
+                                  (i32.add
+                                    (get_local $11)
+                                    (i32.const 20)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $11
-                                  (get_local $7)
-                                )
-                                (set_local $0
-                                  (get_local $8)
-                                )
-                                (br $while-in$11)
+                            )
+                            (block
+                              (set_local $11
+                                (get_local $7)
+                              )
+                              (set_local $0
+                                (get_local $8)
                               )
+                              (br $while-in$11)
                             )
-                            (if
-                              (tee_local $7
-                                (i32.load
-                                  (tee_local $8
-                                    (i32.add
-                                      (get_local $11)
-                                      (i32.const 16)
-                                    )
+                          )
+                          (if
+                            (tee_local $7
+                              (i32.load
+                                (tee_local $8
+                                  (i32.add
+                                    (get_local $11)
+                                    (i32.const 16)
                                   )
                                 )
                               )
-                              (block
-                                (set_local $11
-                                  (get_local $7)
-                                )
-                                (set_local $0
-                                  (get_local $8)
-                                )
+                            )
+                            (block
+                              (set_local $11
+                                (get_local $7)
+                              )
+                              (set_local $0
+                                (get_local $8)
                               )
-                              (br $while-out$10)
+                              (br $while-in$11)
                             )
-                            (br $while-in$11)
                           )
                         )
                         (if
@@ -1608,90 +1605,88 @@
                         (i32.const 0)
                       )
                       (loop $while-in$18
-                        (block $while-out$17
-                          (if
-                            (i32.lt_u
-                              (tee_local $29
-                                (i32.sub
-                                  (tee_local $27
-                                    (i32.and
-                                      (i32.load offset=4
-                                        (get_local $19)
-                                      )
-                                      (i32.const -8)
+                        (if
+                          (i32.lt_u
+                            (tee_local $29
+                              (i32.sub
+                                (tee_local $27
+                                  (i32.and
+                                    (i32.load offset=4
+                                      (get_local $19)
                                     )
+                                    (i32.const -8)
                                   )
-                                  (get_local $2)
                                 )
+                                (get_local $2)
                               )
-                              (get_local $7)
                             )
-                            (if
-                              (i32.eq
-                                (get_local $27)
-                                (get_local $2)
+                            (get_local $7)
+                          )
+                          (if
+                            (i32.eq
+                              (get_local $27)
+                              (get_local $2)
+                            )
+                            (block
+                              (set_local $36
+                                (get_local $29)
                               )
-                              (block
-                                (set_local $36
-                                  (get_local $29)
-                                )
-                                (set_local $18
-                                  (get_local $19)
-                                )
-                                (set_local $17
-                                  (get_local $19)
-                                )
-                                (set_local $7
-                                  (i32.const 90)
-                                )
-                                (br $label$break$a)
+                              (set_local $18
+                                (get_local $19)
                               )
-                              (block
-                                (set_local $4
-                                  (get_local $29)
-                                )
-                                (set_local $0
-                                  (get_local $19)
-                                )
+                              (set_local $17
+                                (get_local $19)
+                              )
+                              (set_local $7
+                                (i32.const 90)
                               )
+                              (br $label$break$a)
                             )
                             (block
                               (set_local $4
-                                (get_local $7)
+                                (get_local $29)
                               )
                               (set_local $0
-                                (get_local $5)
+                                (get_local $19)
                               )
                             )
                           )
-                          (set_local $27
-                            (select
-                              (get_local $25)
-                              (tee_local $29
-                                (i32.load offset=20
-                                  (get_local $19)
-                                )
+                          (block
+                            (set_local $4
+                              (get_local $7)
+                            )
+                            (set_local $0
+                              (get_local $5)
+                            )
+                          )
+                        )
+                        (set_local $27
+                          (select
+                            (get_local $25)
+                            (tee_local $29
+                              (i32.load offset=20
+                                (get_local $19)
                               )
-                              (i32.or
-                                (i32.eqz
-                                  (get_local $29)
-                                )
-                                (i32.eq
-                                  (get_local $29)
-                                  (tee_local $19
-                                    (i32.load
+                            )
+                            (i32.or
+                              (i32.eqz
+                                (get_local $29)
+                              )
+                              (i32.eq
+                                (get_local $29)
+                                (tee_local $19
+                                  (i32.load
+                                    (i32.add
                                       (i32.add
-                                        (i32.add
-                                          (get_local $19)
-                                          (i32.const 16)
-                                        )
-                                        (i32.shl
-                                          (i32.shr_u
-                                            (get_local $3)
-                                            (i32.const 31)
-                                          )
-                                          (i32.const 2)
+                                        (get_local $19)
+                                        (i32.const 16)
+                                      )
+                                      (i32.shl
+                                        (i32.shr_u
+                                          (get_local $3)
+                                          (i32.const 31)
                                         )
+                                        (i32.const 2)
                                       )
                                     )
                                   )
@@ -1699,52 +1694,51 @@
                               )
                             )
                           )
-                          (if
-                            (tee_local $29
-                              (i32.eqz
-                                (get_local $19)
-                              )
+                        )
+                        (if
+                          (tee_local $29
+                            (i32.eqz
+                              (get_local $19)
                             )
-                            (block
-                              (set_local $40
-                                (get_local $4)
-                              )
-                              (set_local $12
-                                (get_local $27)
-                              )
-                              (set_local $38
-                                (get_local $0)
-                              )
-                              (set_local $7
-                                (i32.const 86)
-                              )
-                              (br $while-out$17)
+                          )
+                          (block
+                            (set_local $40
+                              (get_local $4)
                             )
-                            (block
-                              (set_local $7
-                                (get_local $4)
-                              )
-                              (set_local $25
-                                (get_local $27)
-                              )
-                              (set_local $3
-                                (i32.shl
-                                  (get_local $3)
-                                  (i32.xor
-                                    (i32.and
-                                      (get_local $29)
-                                      (i32.const 1)
-                                    )
+                            (set_local $12
+                              (get_local $27)
+                            )
+                            (set_local $38
+                              (get_local $0)
+                            )
+                            (set_local $7
+                              (i32.const 86)
+                            )
+                          )
+                          (block
+                            (set_local $7
+                              (get_local $4)
+                            )
+                            (set_local $25
+                              (get_local $27)
+                            )
+                            (set_local $3
+                              (i32.shl
+                                (get_local $3)
+                                (i32.xor
+                                  (i32.and
+                                    (get_local $29)
                                     (i32.const 1)
                                   )
+                                  (i32.const 1)
                                 )
                               )
-                              (set_local $5
-                                (get_local $0)
-                              )
                             )
+                            (set_local $5
+                              (get_local $0)
+                            )
+                            (br $while-in$18)
                           )
-                          (br $while-in$18)
                         )
                       )
                     )
@@ -1941,84 +1935,81 @@
                     (i32.const 90)
                   )
                   (loop $while-in$20
-                    (block $while-out$19
-                      (set_local $7
-                        (i32.const 0)
-                      )
-                      (set_local $3
-                        (i32.lt_u
-                          (tee_local $5
-                            (i32.sub
-                              (i32.and
-                                (i32.load offset=4
-                                  (get_local $18)
-                                )
-                                (i32.const -8)
+                    (set_local $7
+                      (i32.const 0)
+                    )
+                    (set_local $3
+                      (i32.lt_u
+                        (tee_local $5
+                          (i32.sub
+                            (i32.and
+                              (i32.load offset=4
+                                (get_local $18)
                               )
-                              (get_local $2)
+                              (i32.const -8)
                             )
+                            (get_local $2)
                           )
-                          (get_local $36)
                         )
+                        (get_local $36)
                       )
-                      (set_local $12
-                        (select
-                          (get_local $5)
-                          (get_local $36)
+                    )
+                    (set_local $12
+                      (select
+                        (get_local $5)
+                        (get_local $36)
+                        (get_local $3)
+                      )
+                    )
+                    (set_local $5
+                      (select
+                        (get_local $18)
+                        (get_local $17)
+                        (get_local $3)
+                      )
+                    )
+                    (if
+                      (tee_local $3
+                        (i32.load offset=16
+                          (get_local $18)
+                        )
+                      )
+                      (block
+                        (set_local $36
+                          (get_local $12)
+                        )
+                        (set_local $18
                           (get_local $3)
                         )
+                        (set_local $17
+                          (get_local $5)
+                        )
+                        (br $while-in$20)
                       )
-                      (set_local $5
-                        (select
+                    )
+                    (if
+                      (tee_local $18
+                        (i32.load offset=20
                           (get_local $18)
-                          (get_local $17)
-                          (get_local $3)
                         )
                       )
-                      (if
-                        (tee_local $3
-                          (i32.load offset=16
-                            (get_local $18)
-                          )
+                      (block
+                        (set_local $36
+                          (get_local $12)
                         )
-                        (block
-                          (set_local $36
-                            (get_local $12)
-                          )
-                          (set_local $18
-                            (get_local $3)
-                          )
-                          (set_local $17
-                            (get_local $5)
-                          )
-                          (br $while-in$20)
+                        (set_local $17
+                          (get_local $5)
                         )
+                        (br $while-in$20)
                       )
-                      (if
-                        (tee_local $18
-                          (i32.load offset=20
-                            (get_local $18)
-                          )
-                        )
-                        (block
-                          (set_local $36
-                            (get_local $12)
-                          )
-                          (set_local $17
-                            (get_local $5)
-                          )
+                      (block
+                        (set_local $22
+                          (get_local $12)
                         )
-                        (block
-                          (set_local $22
-                            (get_local $12)
-                          )
-                          (set_local $9
-                            (get_local $5)
-                          )
-                          (br $while-out$19)
+                        (set_local $9
+                          (get_local $5)
                         )
                       )
-                      (br $while-in$20)
                     )
                   )
                 )
@@ -2116,50 +2107,47 @@
                               )
                             )
                             (loop $while-in$24
-                              (block $while-out$23
-                                (if
-                                  (tee_local $16
-                                    (i32.load
-                                      (tee_local $14
-                                        (i32.add
-                                          (get_local $11)
-                                          (i32.const 20)
-                                        )
+                              (if
+                                (tee_local $16
+                                  (i32.load
+                                    (tee_local $14
+                                      (i32.add
+                                        (get_local $11)
+                                        (i32.const 20)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $11
-                                      (get_local $16)
-                                    )
-                                    (set_local $0
-                                      (get_local $14)
-                                    )
-                                    (br $while-in$24)
+                                )
+                                (block
+                                  (set_local $11
+                                    (get_local $16)
+                                  )
+                                  (set_local $0
+                                    (get_local $14)
                                   )
+                                  (br $while-in$24)
                                 )
-                                (if
-                                  (tee_local $16
-                                    (i32.load
-                                      (tee_local $14
-                                        (i32.add
-                                          (get_local $11)
-                                          (i32.const 16)
-                                        )
+                              )
+                              (if
+                                (tee_local $16
+                                  (i32.load
+                                    (tee_local $14
+                                      (i32.add
+                                        (get_local $11)
+                                        (i32.const 16)
                                       )
                                     )
                                   )
-                                  (block
-                                    (set_local $11
-                                      (get_local $16)
-                                    )
-                                    (set_local $0
-                                      (get_local $14)
-                                    )
+                                )
+                                (block
+                                  (set_local $11
+                                    (get_local $16)
                                   )
-                                  (br $while-out$23)
+                                  (set_local $0
+                                    (get_local $14)
+                                  )
+                                  (br $while-in$24)
                                 )
-                                (br $while-in$24)
                               )
                             )
                             (if
@@ -2795,6 +2783,7 @@
                                     (set_local $14
                                       (get_local $3)
                                     )
+                                    (br $while-in$32)
                                   )
                                   (block
                                     (set_local $6
@@ -2806,10 +2795,8 @@
                                     (set_local $7
                                       (i32.const 145)
                                     )
-                                    (br $while-out$31)
                                   )
                                 )
-                                (br $while-in$32)
                               )
                             )
                             (if
@@ -3284,13 +3271,12 @@
                             )
                           )
                           (if
-                            (i32.eqz
-                              (tee_local $13
-                                (i32.load offset=8
-                                  (get_local $13)
-                                )
+                            (tee_local $13
+                              (i32.load offset=8
+                                (get_local $13)
                               )
                             )
+                            (br $while-in$36)
                             (block
                               (set_local $7
                                 (i32.const 171)
@@ -3298,7 +3284,6 @@
                               (br $label$break$c)
                             )
                           )
-                          (br $while-in$36)
                         )
                       )
                       (if
@@ -3925,21 +3910,16 @@
                     )
                   )
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=8
-                          (get_local $1)
-                        )
+                    (tee_local $1
+                      (i32.load offset=8
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $37
-                        (i32.const 1656)
-                      )
-                      (br $while-out$48)
+                    (br $while-in$49)
+                    (set_local $37
+                      (i32.const 1656)
                     )
                   )
-                  (br $while-in$49)
                 )
               )
               (if
@@ -4338,50 +4318,47 @@
                                                   )
                                                 )
                                                 (loop $while-in$60
-                                                  (block $while-out$59
-                                                    (if
-                                                      (tee_local $20
-                                                        (i32.load
-                                                          (tee_local $13
-                                                            (i32.add
-                                                              (get_local $11)
-                                                              (i32.const 20)
-                                                            )
+                                                  (if
+                                                    (tee_local $20
+                                                      (i32.load
+                                                        (tee_local $13
+                                                          (i32.add
+                                                            (get_local $11)
+                                                            (i32.const 20)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $11
-                                                          (get_local $20)
-                                                        )
-                                                        (set_local $0
-                                                          (get_local $13)
-                                                        )
-                                                        (br $while-in$60)
+                                                    )
+                                                    (block
+                                                      (set_local $11
+                                                        (get_local $20)
                                                       )
+                                                      (set_local $0
+                                                        (get_local $13)
+                                                      )
+                                                      (br $while-in$60)
                                                     )
-                                                    (if
-                                                      (tee_local $20
-                                                        (i32.load
-                                                          (tee_local $13
-                                                            (i32.add
-                                                              (get_local $11)
-                                                              (i32.const 16)
-                                                            )
+                                                  )
+                                                  (if
+                                                    (tee_local $20
+                                                      (i32.load
+                                                        (tee_local $13
+                                                          (i32.add
+                                                            (get_local $11)
+                                                            (i32.const 16)
                                                           )
                                                         )
                                                       )
-                                                      (block
-                                                        (set_local $11
-                                                          (get_local $20)
-                                                        )
-                                                        (set_local $0
-                                                          (get_local $13)
-                                                        )
+                                                    )
+                                                    (block
+                                                      (set_local $11
+                                                        (get_local $20)
                                                       )
-                                                      (br $while-out$59)
+                                                      (set_local $0
+                                                        (get_local $13)
+                                                      )
+                                                      (br $while-in$60)
                                                     )
-                                                    (br $while-in$60)
                                                   )
                                                 )
                                                 (if
@@ -5015,6 +4992,7 @@
                                   (set_local $6
                                     (get_local $17)
                                   )
+                                  (br $while-in$70)
                                 )
                                 (block
                                   (set_local $48
@@ -5026,10 +5004,8 @@
                                   (set_local $7
                                     (i32.const 276)
                                   )
-                                  (br $while-out$69)
                                 )
                               )
-                              (br $while-in$70)
                             )
                           )
                           (if
@@ -5727,6 +5703,7 @@
                           (set_local $17
                             (get_local $6)
                           )
+                          (br $while-in$76)
                         )
                         (block
                           (set_local $26
@@ -5738,10 +5715,8 @@
                           (set_local $7
                             (i32.const 302)
                           )
-                          (br $while-out$75)
                         )
                       )
-                      (br $while-in$76)
                     )
                   )
                   (if
@@ -6423,58 +6398,55 @@
                   )
                 )
                 (loop $while-in$5
-                  (block $while-out$4
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $6
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 20)
-                            )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $6
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 20)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $4
-                          (get_local $6)
-                        )
-                        (br $while-in$5)
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
+                      )
+                      (set_local $4
+                        (get_local $6)
                       )
+                      (br $while-in$5)
                     )
-                    (if
-                      (tee_local $11
-                        (i32.load
-                          (tee_local $6
-                            (i32.add
-                              (get_local $1)
-                              (i32.const 16)
-                            )
+                  )
+                  (if
+                    (tee_local $11
+                      (i32.load
+                        (tee_local $6
+                          (i32.add
+                            (get_local $1)
+                            (i32.const 16)
                           )
                         )
                       )
-                      (block
-                        (set_local $1
-                          (get_local $11)
-                        )
-                        (set_local $4
-                          (get_local $6)
-                        )
+                    )
+                    (block
+                      (set_local $1
+                        (get_local $11)
                       )
-                      (block
-                        (set_local $6
-                          (get_local $1)
-                        )
-                        (set_local $10
-                          (get_local $4)
-                        )
-                        (br $while-out$4)
+                      (set_local $4
+                        (get_local $6)
+                      )
+                      (br $while-in$5)
+                    )
+                    (block
+                      (set_local $6
+                        (get_local $1)
+                      )
+                      (set_local $10
+                        (get_local $4)
                       )
                     )
-                    (br $while-in$5)
                   )
                 )
                 (if
@@ -7097,50 +7069,47 @@
                       )
                     )
                     (loop $while-in$13
-                      (block $while-out$12
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 20)
-                                )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 20)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $4
-                              (get_local $1)
-                            )
-                            (br $while-in$13)
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $4
+                            (get_local $1)
                           )
+                          (br $while-in$13)
                         )
-                        (if
-                          (tee_local $11
-                            (i32.load
-                              (tee_local $1
-                                (i32.add
-                                  (get_local $0)
-                                  (i32.const 16)
-                                )
+                      )
+                      (if
+                        (tee_local $11
+                          (i32.load
+                            (tee_local $1
+                              (i32.add
+                                (get_local $0)
+                                (i32.const 16)
                               )
                             )
                           )
-                          (block
-                            (set_local $0
-                              (get_local $11)
-                            )
-                            (set_local $4
-                              (get_local $1)
-                            )
+                        )
+                        (block
+                          (set_local $0
+                            (get_local $11)
+                          )
+                          (set_local $4
+                            (get_local $1)
                           )
-                          (br $while-out$12)
+                          (br $while-in$13)
                         )
-                        (br $while-in$13)
                       )
                     )
                     (if
@@ -7728,6 +7697,7 @@
                 (set_local $1
                   (get_local $12)
                 )
+                (br $while-in$19)
               )
               (block
                 (set_local $18
@@ -7739,10 +7709,8 @@
                 (set_local $0
                   (i32.const 127)
                 )
-                (br $while-out$18)
               )
             )
-            (br $while-in$19)
           )
         )
         (if
@@ -7878,22 +7846,21 @@
       )
     )
     (loop $while-in$21
-      (block $while-out$20
-        (if
-          (tee_local $2
-            (i32.load
-              (get_local $0)
-            )
+      (if
+        (tee_local $2
+          (i32.load
+            (get_local $0)
           )
+        )
+        (block
           (set_local $0
             (i32.add
               (get_local $2)
               (i32.const 8)
             )
           )
-          (br $while-out$20)
+          (br $while-in$21)
         )
-        (br $while-in$21)
       )
     )
     (i32.store
@@ -8091,121 +8058,122 @@
             (set_local $1
               (i32.const 8)
             )
-            (br $while-out$0)
-          )
-        )
-        (set_local $10
-          (i32.sub
-            (get_local $5)
-            (get_local $6)
           )
-        )
-        (set_local $3
-          (if
-            (i32.gt_u
-              (get_local $6)
-              (tee_local $5
-                (i32.load offset=4
-                  (get_local $4)
-                )
+          (block
+            (set_local $10
+              (i32.sub
+                (get_local $5)
+                (get_local $6)
               )
             )
-            (block
-              (i32.store
-                (get_local $9)
-                (tee_local $7
-                  (i32.load
-                    (get_local $8)
-                  )
-                )
-              )
-              (i32.store
-                (get_local $14)
-                (get_local $7)
-              )
-              (set_local $6
-                (i32.sub
+            (set_local $3
+              (if
+                (i32.gt_u
                   (get_local $6)
-                  (get_local $5)
-                )
-              )
-              (set_local $7
-                (i32.add
-                  (get_local $4)
-                  (i32.const 8)
+                  (tee_local $5
+                    (i32.load offset=4
+                      (get_local $4)
+                    )
+                  )
                 )
-              )
-              (set_local $15
-                (i32.add
-                  (get_local $3)
-                  (i32.const -1)
+                (block
+                  (i32.store
+                    (get_local $9)
+                    (tee_local $7
+                      (i32.load
+                        (get_local $8)
+                      )
+                    )
+                  )
+                  (i32.store
+                    (get_local $14)
+                    (get_local $7)
+                  )
+                  (set_local $6
+                    (i32.sub
+                      (get_local $6)
+                      (get_local $5)
+                    )
+                  )
+                  (set_local $7
+                    (i32.add
+                      (get_local $4)
+                      (i32.const 8)
+                    )
+                  )
+                  (set_local $15
+                    (i32.add
+                      (get_local $3)
+                      (i32.const -1)
+                    )
+                  )
+                  (i32.load offset=12
+                    (get_local $4)
+                  )
                 )
-              )
-              (i32.load offset=12
-                (get_local $4)
-              )
-            )
-            (if
-              (i32.eq
-                (get_local $3)
-                (i32.const 2)
-              )
-              (block
-                (i32.store
-                  (get_local $9)
-                  (i32.add
-                    (i32.load
+                (if
+                  (i32.eq
+                    (get_local $3)
+                    (i32.const 2)
+                  )
+                  (block
+                    (i32.store
                       (get_local $9)
+                      (i32.add
+                        (i32.load
+                          (get_local $9)
+                        )
+                        (get_local $6)
+                      )
                     )
-                    (get_local $6)
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (i32.const 2)
+                    )
+                    (get_local $5)
+                  )
+                  (block
+                    (set_local $7
+                      (get_local $4)
+                    )
+                    (set_local $15
+                      (get_local $3)
+                    )
+                    (get_local $5)
                   )
                 )
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (i32.const 2)
-                )
-                (get_local $5)
               )
-              (block
-                (set_local $7
-                  (get_local $4)
-                )
-                (set_local $15
-                  (get_local $3)
+            )
+            (i32.store
+              (get_local $7)
+              (i32.add
+                (i32.load
+                  (get_local $7)
                 )
-                (get_local $5)
+                (get_local $6)
               )
             )
-          )
-        )
-        (i32.store
-          (get_local $7)
-          (i32.add
-            (i32.load
+            (i32.store offset=4
               (get_local $7)
+              (i32.sub
+                (get_local $3)
+                (get_local $6)
+              )
             )
-            (get_local $6)
-          )
-        )
-        (i32.store offset=4
-          (get_local $7)
-          (i32.sub
-            (get_local $3)
-            (get_local $6)
+            (set_local $4
+              (get_local $7)
+            )
+            (set_local $3
+              (get_local $15)
+            )
+            (set_local $5
+              (get_local $10)
+            )
+            (br $while-in$1)
           )
         )
-        (set_local $4
-          (get_local $7)
-        )
-        (set_local $3
-          (get_local $15)
-        )
-        (set_local $5
-          (get_local $10)
-        )
-        (br $while-in$1)
       )
     )
     (if
@@ -8396,49 +8364,46 @@
                     (get_local $1)
                   )
                   (loop $while-in$3
-                    (block $while-out$2
-                      (if
-                        (i32.eqz
-                          (get_local $3)
+                    (if
+                      (i32.eqz
+                        (get_local $3)
+                      )
+                      (block
+                        (set_local $2
+                          (get_local $0)
                         )
-                        (block
-                          (set_local $2
-                            (get_local $0)
-                          )
-                          (set_local $3
-                            (i32.const 0)
-                          )
-                          (br $label$break$b
-                            (get_local $1)
-                          )
+                        (set_local $3
+                          (i32.const 0)
+                        )
+                        (br $label$break$b
+                          (get_local $1)
                         )
                       )
-                      (if
-                        (i32.eq
-                          (i32.load8_s
-                            (i32.add
-                              (get_local $0)
-                              (tee_local $7
-                                (i32.add
-                                  (get_local $3)
-                                  (i32.const -1)
-                                )
+                    )
+                    (if
+                      (i32.eq
+                        (i32.load8_s
+                          (i32.add
+                            (get_local $0)
+                            (tee_local $7
+                              (i32.add
+                                (get_local $3)
+                                (i32.const -1)
                               )
                             )
                           )
-                          (i32.const 10)
-                        )
-                        (block
-                          (set_local $4
-                            (get_local $3)
-                          )
-                          (br $while-out$2)
                         )
+                        (i32.const 10)
+                      )
+                      (set_local $4
+                        (get_local $3)
+                      )
+                      (block
                         (set_local $3
                           (get_local $7)
                         )
+                        (br $while-in$3)
                       )
-                      (br $while-in$3)
                     )
                   )
                   (br_if $label$break$a
@@ -8537,45 +8502,40 @@
             (get_local $3)
           )
           (loop $while-in$2
-            (block $while-out$1
-              (if
-                (i32.eqz
-                  (i32.load8_s
-                    (get_local $0)
-                  )
+            (if
+              (i32.eqz
+                (i32.load8_s
+                  (get_local $0)
                 )
-                (block
-                  (set_local $5
-                    (get_local $4)
-                  )
-                  (br $label$break$a)
+              )
+              (block
+                (set_local $5
+                  (get_local $4)
                 )
+                (br $label$break$a)
               )
-              (if
-                (i32.eqz
-                  (i32.and
-                    (tee_local $4
-                      (tee_local $0
-                        (i32.add
-                          (get_local $0)
-                          (i32.const 1)
-                        )
-                      )
+            )
+            (if
+              (i32.and
+                (tee_local $4
+                  (tee_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
                     )
-                    (i32.const 3)
-                  )
-                )
-                (block
-                  (set_local $2
-                    (get_local $0)
-                  )
-                  (set_local $1
-                    (i32.const 4)
                   )
-                  (br $while-out$1)
                 )
+                (i32.const 3)
               )
               (br $while-in$2)
+              (block
+                (set_local $2
+                  (get_local $0)
+                )
+                (set_local $1
+                  (i32.const 4)
+                )
+              )
             )
           )
         )
@@ -8599,8 +8559,8 @@
           (get_local $2)
         )
         (loop $while-in$4
-          (block $while-out$3
-            (if
+          (if
+            (i32.eqz
               (i32.and
                 (i32.xor
                   (i32.and
@@ -8618,15 +8578,16 @@
                   (i32.const -16843009)
                 )
               )
-              (br $while-out$3)
+            )
+            (block
               (set_local $1
                 (i32.add
                   (get_local $1)
                   (i32.const 4)
                 )
               )
+              (br $while-in$4)
             )
-            (br $while-in$4)
           )
         )
         (if
@@ -8645,22 +8606,21 @@
               (get_local $1)
             )
             (loop $while-in$6
-              (block $while-out$5
-                (if
-                  (i32.load8_s
-                    (tee_local $1
-                      (i32.add
-                        (get_local $2)
-                        (i32.const 1)
-                      )
+              (if
+                (i32.load8_s
+                  (tee_local $1
+                    (i32.add
+                      (get_local $2)
+                      (i32.const 1)
                     )
                   )
+                )
+                (block
                   (set_local $2
                     (get_local $1)
                   )
-                  (br $while-out$5)
+                  (br $while-in$6)
                 )
-                (br $while-in$6)
               )
             )
           )
@@ -8749,62 +8709,55 @@
                 (get_local $0)
               )
               (loop $while-in$3
-                (block $while-out$2
-                  (set_local $0
-                    (if
-                      (i32.gt_s
-                        (i32.load offset=76
-                          (get_local $1)
-                        )
-                        (i32.const -1)
-                      )
-                      (call $Ya
+                (set_local $0
+                  (if
+                    (i32.gt_s
+                      (i32.load offset=76
                         (get_local $1)
                       )
-                      (i32.const 0)
-                    )
-                  )
-                  (set_local $2
-                    (if
-                      (i32.gt_u
-                        (i32.load offset=20
-                          (get_local $1)
-                        )
-                        (i32.load offset=28
-                          (get_local $1)
-                        )
-                      )
-                      (i32.or
-                        (call $$a
-                          (get_local $1)
-                        )
-                        (get_local $2)
-                      )
-                      (get_local $2)
+                      (i32.const -1)
                     )
-                  )
-                  (if
-                    (get_local $0)
-                    (call $Ta
+                    (call $Ya
                       (get_local $1)
                     )
+                    (i32.const 0)
                   )
+                )
+                (set_local $2
                   (if
-                    (i32.eqz
-                      (tee_local $1
-                        (i32.load offset=56
-                          (get_local $1)
-                        )
+                    (i32.gt_u
+                      (i32.load offset=20
+                        (get_local $1)
+                      )
+                      (i32.load offset=28
+                        (get_local $1)
                       )
                     )
-                    (block
-                      (set_local $0
-                        (get_local $2)
+                    (i32.or
+                      (call $$a
+                        (get_local $1)
                       )
-                      (br $while-out$2)
+                      (get_local $2)
+                    )
+                    (get_local $2)
+                  )
+                )
+                (if
+                  (get_local $0)
+                  (call $Ta
+                    (get_local $1)
+                  )
+                )
+                (if
+                  (tee_local $1
+                    (i32.load offset=56
+                      (get_local $1)
                     )
                   )
                   (br $while-in$3)
+                  (set_local $0
+                    (get_local $2)
+                  )
                 )
               )
             )
@@ -9177,75 +9130,75 @@
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.lt_s
-                (get_local $2)
-                (i32.const 4)
-              )
-            )
-            (i32.store
-              (get_local $0)
-              (i32.load
-                (get_local $1)
-              )
+          (if
+            (i32.ge_s
+              (get_local $2)
+              (i32.const 4)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (i32.load
+                  (get_local $1)
+                )
               )
-            )
-            (set_local $1
-              (i32.add
-                (get_local $1)
-                (i32.const 4)
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
-            )
-            (set_local $2
-              (i32.sub
-                (get_local $2)
-                (i32.const 4)
+              (set_local $1
+                (i32.add
+                  (get_local $1)
+                  (i32.const 4)
+                )
+              )
+              (set_local $2
+                (i32.sub
+                  (get_local $2)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.le_s
-            (get_local $2)
-            (i32.const 0)
-          )
-        )
-        (i32.store8
-          (get_local $0)
-          (i32.load8_s
-            (get_local $1)
-          )
+      (if
+        (i32.gt_s
+          (get_local $2)
+          (i32.const 0)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (i32.load8_s
+              (get_local $1)
+            )
           )
-        )
-        (set_local $1
-          (i32.add
-            (get_local $1)
-            (i32.const 1)
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
-        )
-        (set_local $2
-          (i32.sub
-            (get_local $2)
-            (i32.const 1)
+          (set_local $1
+            (i32.add
+              (get_local $1)
+              (i32.const 1)
+            )
           )
+          (set_local $2
+            (i32.sub
+              (get_local $2)
+              (i32.const 1)
+            )
+          )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (get_local $3)
@@ -9320,70 +9273,70 @@
               )
             )
             (loop $while-in$1
-              (block $while-out$0
-                (br_if $while-out$0
-                  (i32.ge_s
-                    (get_local $0)
-                    (get_local $3)
-                  )
-                )
-                (i32.store8
+              (if
+                (i32.lt_s
                   (get_local $0)
-                  (get_local $1)
+                  (get_local $3)
                 )
-                (set_local $0
-                  (i32.add
+                (block
+                  (i32.store8
                     (get_local $0)
-                    (i32.const 1)
+                    (get_local $1)
+                  )
+                  (set_local $0
+                    (i32.add
+                      (get_local $0)
+                      (i32.const 1)
+                    )
                   )
+                  (br $while-in$1)
                 )
-                (br $while-in$1)
               )
             )
           )
         )
         (loop $while-in$3
-          (block $while-out$2
-            (br_if $while-out$2
-              (i32.ge_s
-                (get_local $0)
-                (get_local $6)
-              )
-            )
-            (i32.store
+          (if
+            (i32.lt_s
               (get_local $0)
-              (get_local $5)
+              (get_local $6)
             )
-            (set_local $0
-              (i32.add
+            (block
+              (i32.store
                 (get_local $0)
-                (i32.const 4)
+                (get_local $5)
+              )
+              (set_local $0
+                (i32.add
+                  (get_local $0)
+                  (i32.const 4)
+                )
               )
+              (br $while-in$3)
             )
-            (br $while-in$3)
           )
         )
       )
     )
     (loop $while-in$5
-      (block $while-out$4
-        (br_if $while-out$4
-          (i32.ge_s
-            (get_local $0)
-            (get_local $4)
-          )
-        )
-        (i32.store8
+      (if
+        (i32.lt_s
           (get_local $0)
-          (get_local $1)
+          (get_local $4)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (i32.store8
             (get_local $0)
-            (i32.const 1)
+            (get_local $1)
+          )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
           )
+          (br $while-in$5)
         )
-        (br $while-in$5)
       )
     )
     (i32.sub
diff --git a/test/passes/remove-unused-brs.txt b/test/passes/remove-unused-brs.txt
index 1c5c8e713..ff150f1ac 100644
--- a/test/passes/remove-unused-brs.txt
+++ b/test/passes/remove-unused-brs.txt
@@ -419,4 +419,276 @@
       (i32.const 1)
     )
   )
+  (func $loops (type $1)
+    (loop $in
+      (block $out
+        (br_if $in
+          (i32.eqz
+            (i32.const 0)
+          )
+        )
+      )
+    )
+    (loop $in
+      (br $in)
+    )
+    (loop $loop-in1
+      (block $out
+        (br_if $out
+          (i32.const 0)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $out
+          (i32.const 0)
+        )
+      )
+    )
+    (loop $in
+      (nop)
+    )
+    (loop $in
+      (block $out
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $out
+          (i32.const 0)
+        )
+        (br_if $in
+          (i32.const 1)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $in
+          (i32.const 0)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (unreachable)
+        )
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (block $block8
+            (call $loops)
+          )
+          (br $in)
+        )
+      )
+    )
+    (loop $in-todo
+      (block $out-todo
+        (if
+          (i32.const 0)
+          (nop)
+          (block
+            (call $loops)
+            (br $in-todo)
+          )
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (nop)
+          (block
+            (call $loops)
+            (br $in)
+          )
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (block
+            (call $loops)
+            (br $in)
+          )
+          (nop)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (block $block15
+            (drop
+              (i32.const 1)
+            )
+            (call $loops)
+            (br $in)
+          )
+          (nop)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (nop)
+          (block
+            (call $loops)
+            (drop
+              (i32.const 100)
+            )
+            (br $in)
+          )
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (block
+            (call $loops)
+            (drop
+              (i32.const 101)
+            )
+            (br $in)
+          )
+          (nop)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (block $block22
+            (drop
+              (i32.const 1)
+            )
+            (call $loops)
+            (drop
+              (i32.const 102)
+            )
+            (br $in)
+          )
+          (nop)
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (return)
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (br $out)
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if
+          (i32.const 0)
+          (nop)
+          (block
+            (call $loops)
+            (drop
+              (block $out2
+                (i32.const 1)
+              )
+            )
+            (br $in)
+          )
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $in
+          (i32.eqz
+            (i32.const 0)
+          )
+        )
+      )
+    )
+    (loop $in-todo2
+      (block $out-todo2
+        (if
+          (i32.const 0)
+          (nop)
+          (block
+            (call $loops)
+            (br $in-todo2)
+          )
+        )
+      )
+    )
+    (loop $in
+      (block $out
+        (br $out)
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $in
+          (i32.const 0)
+        )
+        (br $in)
+      )
+    )
+    (loop $in-not
+      (block $out-not
+        (br_if $out-not
+          (i32.const -1)
+        )
+        (br_if $out-not
+          (i32.const 0)
+        )
+        (call $loops)
+        (br $in-not)
+      )
+    )
+    (loop $in-todo2
+      (block $out-todo2
+        (if
+          (i32.const 0)
+          (nop)
+          (block
+            (call $loops)
+            (drop
+              (i32.const 1)
+            )
+            (br $in-todo2)
+          )
+        )
+      )
+    )
+  )
 )
diff --git a/test/passes/remove-unused-brs.wast b/test/passes/remove-unused-brs.wast
index f3d20f5e0..87e144096 100644
--- a/test/passes/remove-unused-brs.wast
+++ b/test/passes/remove-unused-brs.wast
@@ -452,4 +452,205 @@
       (i32.const 1)
     )
   )
+  (func $loops
+    (loop $in
+      (block $out
+        (if (i32.const 0) (br $out))
+        (br $in) ;; we can conditionalize this, and then the br out can vanish
+      )
+    )
+    (loop $in
+      (br $in)
+    )
+    (loop
+      (block $out
+        (if (i32.const 0) (br $out))
+        (br $out)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0) (br $out))
+        (br $out)
+      )
+    )
+    (loop $in)
+    (loop $in
+      (block $out)
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0) (br $out))
+        (br_if $in (i32.const 1))
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0) (br $in))
+        (br $out)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0) (unreachable))
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (block
+            (call $loops)
+            (br $out)
+          )
+        )
+        (br $in)
+      )
+    )
+    (loop $in-todo ;; br_if into if
+      (block $out-todo
+        (if (i32.const 0) (br $out-todo))
+        (call $loops)
+        (br $in-todo)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (call $loops)
+          (br $out)
+        )
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (block
+            (drop (i32.const 1))
+            (call $loops)
+          )
+          (br $out)
+        )
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (drop (i32.const 100))
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (call $loops)
+          (br $out)
+        )
+        (drop (i32.const 101))
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (block
+            (drop (i32.const 1))
+            (call $loops)
+          )
+          (br $out)
+        )
+        (drop (i32.const 102))
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (return)
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (br $out)
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (if (i32.const 0)
+          (br $out)
+          (call $loops)
+        )
+        (drop
+          (block $out2
+            (br $out2 (i32.const 1))
+          )
+        )
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $out (i32.const 0))
+        (br $in)
+      )
+    )
+    (loop $in-todo2 ;; if-ify
+      (block $out-todo2
+        (br_if $out-todo2 (i32.const 0))
+        (call $loops)
+        (br $in-todo2)
+      )
+    )
+    (loop $in
+      (block $out
+        (br $out)
+        (br $in)
+      )
+    )
+    (loop $in
+      (block $out
+        (br_if $in (i32.const 0))
+        (br $in)
+      )
+    )
+    (loop $in-not ;; do NOT if-ify, the block can't be removed
+      (block $out-not
+        (br_if $out-not (i32.const -1))
+        (br_if $out-not (i32.const 0))
+        (call $loops)
+        (br $in-not)
+      )
+    )
+    (loop $in-todo2 ;; if-ify a slice with 2 things
+      (block $out-todo2
+        (br_if $out-todo2 (i32.const 0))
+        (call $loops)
+        (drop (i32.const 1))
+        (br $in-todo2)
+      )
+    )
+  )
 )
diff --git a/test/unit.fromasm b/test/unit.fromasm
index e1956de79..7b941e731 100644
--- a/test/unit.fromasm
+++ b/test/unit.fromasm
@@ -293,23 +293,23 @@
       (i32.const 1)
     )
     (loop $for-in$1
-      (block $for-out$0
-        (br_if $for-out$0
-          (i32.ge_s
-            (get_local $0)
-            (i32.const 200)
-          )
-        )
-        (call_import $h
+      (if
+        (i32.lt_s
           (get_local $0)
+          (i32.const 200)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (call_import $h
             (get_local $0)
-            (i32.const 1)
           )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
+          )
+          (br $for-in$1)
         )
-        (br $for-in$1)
       )
     )
   )
diff --git a/test/unit.fromasm.imprecise b/test/unit.fromasm.imprecise
index 017284aae..7b548e2db 100644
--- a/test/unit.fromasm.imprecise
+++ b/test/unit.fromasm.imprecise
@@ -274,23 +274,23 @@
       (i32.const 1)
     )
     (loop $for-in$1
-      (block $for-out$0
-        (br_if $for-out$0
-          (i32.ge_s
-            (get_local $0)
-            (i32.const 200)
-          )
-        )
-        (call_import $h
+      (if
+        (i32.lt_s
           (get_local $0)
+          (i32.const 200)
         )
-        (set_local $0
-          (i32.add
+        (block
+          (call_import $h
             (get_local $0)
-            (i32.const 1)
           )
+          (set_local $0
+            (i32.add
+              (get_local $0)
+              (i32.const 1)
+            )
+          )
+          (br $for-in$1)
         )
-        (br $for-in$1)
       )
     )
   )