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_OPTIMIZATION_H_ 18 #define ART_COMPILER_OPTIMIZING_OPTIMIZATION_H_ 19 20 #include "base/arena_object.h" 21 #include "nodes.h" 22 #include "optimizing_compiler_stats.h" 23 24 namespace art { 25 26 /** 27 * Abstraction to implement an optimization pass. 28 */ 29 class HOptimization : public ArenaObject<kArenaAllocOptimization> { 30 public: 31 HOptimization(HGraph* graph, 32 const char* pass_name, 33 OptimizingCompilerStats* stats = nullptr) graph_(graph)34 : graph_(graph), 35 stats_(stats), 36 pass_name_(pass_name) {} 37 ~HOptimization()38 virtual ~HOptimization() {} 39 40 // Return the name of the pass. GetPassName()41 const char* GetPassName() const { return pass_name_; } 42 43 // Perform the analysis itself. 44 virtual void Run() = 0; 45 46 protected: 47 void MaybeRecordStat(MethodCompilationStat compilation_stat, size_t count = 1) const; 48 49 HGraph* const graph_; 50 // Used to record stats about the optimization. 51 OptimizingCompilerStats* const stats_; 52 53 private: 54 // Optimization pass name. 55 const char* pass_name_; 56 57 DISALLOW_COPY_AND_ASSIGN(HOptimization); 58 }; 59 60 } // namespace art 61 62 #endif // ART_COMPILER_OPTIMIZING_OPTIMIZATION_H_ 63