1// Copyright 2014 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef V8_COMPILER_VALUE_NUMBERING_REDUCER_H_ 6#define V8_COMPILER_VALUE_NUMBERING_REDUCER_H_ 7 8#include "src/compiler/graph-reducer.h" 9 10namespace v8 { 11namespace internal { 12namespace compiler { 13 14class ValueNumberingReducer FINAL : public Reducer { 15 public: 16 explicit ValueNumberingReducer(Zone* zone); 17 ~ValueNumberingReducer(); 18 19 virtual Reduction Reduce(Node* node) OVERRIDE; 20 21 private: 22 Zone* zone() const { return zone_; } 23 24 // TODO(turbofan): We currently use separate chaining with linked lists here, 25 // we may want to replace that with a more sophisticated data structure at 26 // some point in the future. 27 class Entry; 28 Entry* buckets_[117u]; 29 Zone* zone_; 30}; 31 32} // namespace compiler 33} // namespace internal 34} // namespace v8 35 36#endif // V8_COMPILER_VALUE_NUMBERING_REDUCER_H_ 37