Remove `Push` (#2867)

Push and Pop have been superseded by tuples for their original
intended purpose of supporting multivalue. Pop is still used to
represent block arguments for exception handling, but there are no
plans to use Push for anything now or in the future.

1 files changed, 0 insertions, 14 deletions

diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h
index 56e453b64..c47786a08 100644
--- a/src/wasm-interpreter.h
+++ b/src/wasm-interpreter.h
@@ -1222,7 +1222,6 @@ public:
   Flow visitSIMDLoad(SIMDLoad* curr) { WASM_UNREACHABLE("unimp"); }
   Flow visitSIMDLoadSplat(SIMDLoad* curr) { WASM_UNREACHABLE("unimp"); }
   Flow visitSIMDLoadExtend(SIMDLoad* curr) { WASM_UNREACHABLE("unimp"); }
-  Flow visitPush(Push* curr) { WASM_UNREACHABLE("unimp"); }
   Flow visitPop(Pop* curr) { WASM_UNREACHABLE("unimp"); }
   Flow visitRefNull(RefNull* curr) {
     NOTE_ENTER("RefNull");
@@ -1521,10 +1520,6 @@ public:
     NOTE_ENTER("SIMDLoadExtend");
     return Flow(NONCONSTANT_FLOW);
   }
-  Flow visitPush(Push* curr) {
-    NOTE_ENTER("Push");
-    return Flow(NONCONSTANT_FLOW);
-  }
   Flow visitPop(Pop* curr) {
     NOTE_ENTER("Pop");
     return Flow(NONCONSTANT_FLOW);
@@ -2425,15 +2420,6 @@ private:
         return this->visit(curr->catchBody);
       }
     }
-    Flow visitPush(Push* curr) {
-      NOTE_ENTER("Push");
-      Flow value = this->visit(curr->value);
-      if (value.breaking()) {
-        return value;
-      }
-      instance.multiValues.push_back(value.getSingleValue());
-      return Flow();
-    }
     Flow visitPop(Pop* curr) {
       NOTE_ENTER("Pop");
       assert(!instance.multiValues.empty());