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 "nodes.h" 21 #include "optimizing_compiler_stats.h" 22 23 namespace art { 24 25 /** 26 * Abstraction to implement an optimization pass. 27 */ 28 class HOptimization : public ValueObject { 29 public: 30 HOptimization(HGraph* graph, 31 bool is_in_ssa_form, 32 const char* pass_name, 33 OptimizingCompilerStats* stats = nullptr) graph_(graph)34 : graph_(graph), 35 stats_(stats), 36 is_in_ssa_form_(is_in_ssa_form), 37 pass_name_(pass_name) {} 38 ~HOptimization()39 virtual ~HOptimization() {} 40 41 // Return the name of the pass. GetPassName()42 const char* GetPassName() const { return pass_name_; } 43 44 // Peform the analysis itself. 45 virtual void Run() = 0; 46 47 // Verify the graph; abort if it is not valid. 48 void Check(); 49 50 protected: 51 void MaybeRecordStat(MethodCompilationStat compilation_stat, size_t count = 1) const; 52 53 HGraph* const graph_; 54 // Used to record stats about the optimization. 55 OptimizingCompilerStats* const stats_; 56 57 private: 58 // Does the analyzed graph use the SSA form? 59 const bool is_in_ssa_form_; 60 // Optimization pass name. 61 const char* pass_name_; 62 63 DISALLOW_COPY_AND_ASSIGN(HOptimization); 64 }; 65 66 } // namespace art 67 68 #endif // ART_COMPILER_OPTIMIZING_OPTIMIZATION_H_ 69