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 "base/macros.h" 21 #include "nodes.h" 22 #include "optimization.h" 23 24 namespace art HIDDEN { 25 26 class SideEffectsAnalysis; 27 28 class GVNOptimization : public HOptimization { 29 public: 30 GVNOptimization(HGraph* graph, 31 const SideEffectsAnalysis& side_effects, 32 const char* pass_name = kGlobalValueNumberingPassName) HOptimization(graph,pass_name)33 : HOptimization(graph, pass_name), side_effects_(side_effects) {} 34 35 bool Run() override; 36 37 static constexpr const char* kGlobalValueNumberingPassName = "GVN"; 38 39 private: 40 const SideEffectsAnalysis& side_effects_; 41 42 DISALLOW_COPY_AND_ASSIGN(GVNOptimization); 43 }; 44 45 } // namespace art 46 47 #endif // ART_COMPILER_OPTIMIZING_GVN_H_ 48