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 10 namespace v8 { 11 namespace internal { 12 namespace compiler { 13 14 class ValueNumberingReducer FINAL : public Reducer { 15 public: 16 explicit ValueNumberingReducer(Zone* zone); 17 ~ValueNumberingReducer(); 18 19 virtual Reduction Reduce(Node* node) OVERRIDE; 20 21 private: zone()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