1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_COMPILER_OPTIMIZING_GVN_H_ 18 #define ART_COMPILER_OPTIMIZING_GVN_H_ 19 20 #include "nodes.h" 21 #include "optimization.h" 22 23 namespace art { 24 25 class SideEffectsAnalysis; 26 27 class GVNOptimization : public HOptimization { 28 public: GVNOptimization(HGraph * graph,const SideEffectsAnalysis & side_effects)29 GVNOptimization(HGraph* graph, const SideEffectsAnalysis& side_effects) 30 : HOptimization(graph, true, kGlobalValueNumberingPassName), side_effects_(side_effects) {} 31 32 void Run() OVERRIDE; 33 34 static constexpr const char* kGlobalValueNumberingPassName = "GVN"; 35 36 private: 37 const SideEffectsAnalysis& side_effects_; 38 39 DISALLOW_COPY_AND_ASSIGN(GVNOptimization); 40 }; 41 42 } // namespace art 43 44 #endif // ART_COMPILER_OPTIMIZING_GVN_H_ 45