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-rw-r--r--src/passes/LowerIfElse.cpp67
1 files changed, 0 insertions, 67 deletions
diff --git a/src/passes/LowerIfElse.cpp b/src/passes/LowerIfElse.cpp
deleted file mode 100644
index b566e8207..000000000
--- a/src/passes/LowerIfElse.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright 2015 WebAssembly Community Group participants
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//
-// Lowers if (x) y else z into
-//
-// L: {
-// if (x) break (y) L
-// z
-// }
-//
-// This is useful for investigating how beneficial if_else is.
-//
-
-#include <memory>
-
-#include <wasm.h>
-#include <pass.h>
-
-namespace wasm {
-
-struct LowerIfElse : public WalkerPass<PostWalker<LowerIfElse, Visitor<LowerIfElse>>> {
- MixedArena* allocator;
- std::unique_ptr<NameManager> namer;
-
- void prepare(PassRunner* runner, Module *module) override {
- allocator = runner->allocator;
- namer = make_unique<NameManager>();
- namer->run(runner, module);
- }
-
- void visitIf(If *curr) {
- if (curr->ifFalse) {
- auto block = allocator->alloc<Block>();
- auto name = namer->getUnique("L"); // TODO: getUniqueInFunction
- block->name = name;
- block->list.push_back(curr);
- block->list.push_back(curr->ifFalse);
- block->finalize();
- curr->ifFalse = nullptr;
- auto break_ = allocator->alloc<Break>();
- break_->name = name;
- break_->value = curr->ifTrue;
- curr->ifTrue = break_;
- replaceCurrent(block);
- }
- }
-};
-
-Pass *createLowerIfElsePass() {
- return new LowerIfElse();
-}
-
-} // namespace wasm