Translate NumberDivide/NumberModulus operators to Int32Div, Int32Mod in representation-change.h.

src/compiler/change-lowering.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_CHANGE_LOWERING_H_
 #define V8_COMPILER_CHANGE_LOWERING_H_
 
 #include "src/compiler/graph-reducer.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Forward declarations.
 class CommonOperatorBuilder;
 class JSGraph;
 class Linkage;
 class MachineOperatorBuilder;
 
 class ChangeLowering FINAL : public Reducer {
  public:
   ChangeLowering(JSGraph* jsgraph, Linkage* linkage)
       : jsgraph_(jsgraph), linkage_(linkage) {}
   virtual ~ChangeLowering();
 
   virtual Reduction Reduce(Node* node) OVERRIDE;
 
  private:
-  enum Signedness { kSigned, kUnsigned };
-
   Node* HeapNumberValueIndexConstant();
   Node* SmiMaxValueConstant();
   Node* SmiShiftBitsConstant();
 
   Node* AllocateHeapNumberWithValue(Node* value, Node* control);
   Node* ChangeSmiToInt32(Node* value);
   Node* LoadHeapNumberValue(Node* value, Node* control);
 
   Reduction ChangeBitToBool(Node* val, Node* control);
   Reduction ChangeBoolToBit(Node* val);
@@ skipping 12 matching lines @@
 
   JSGraph* jsgraph_;
   Linkage* linkage_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CHANGE_LOWERING_H_