Eliminate intentional conversion from Smi to Int32 in HMul

src/hydrogen-instructions.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 379 matching lines @@
 
 bool HValue::CheckUsesForFlag(Flag f) {
   for (HUseIterator it(uses()); !it.Done(); it.Advance()) {
     if (it.value()->IsSimulate()) continue;
     if (!it.value()->CheckFlag(f)) return false;
   }
   return true;
 }
 
 
+bool HValue::CheckUsesForFlag(Flag f, HValue** value) {
+  for (HUseIterator it(uses()); !it.Done(); it.Advance()) {
+    if (it.value()->IsSimulate()) continue;
+    if (!it.value()->CheckFlag(f)) {
+      *value = it.value();
+      return false;
+    }
+  }
+  return true;
+}
+
+
 bool HValue::HasAtLeastOneUseWithFlagAndNoneWithout(Flag f) {
   bool return_value = false;
   for (HUseIterator it(uses()); !it.Done(); it.Advance()) {
     if (it.value()->IsSimulate()) continue;
     if (!it.value()->CheckFlag(f)) return false;
     return_value = true;
   }
   return return_value;
 }
 
@@ skipping 3588 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal