65 lines
2 KiB
C++
65 lines
2 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_COMPILER_OPTIMIZING_OPTIMIZATION_H_
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#define ART_COMPILER_OPTIMIZING_OPTIMIZATION_H_
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#include "base/arena_object.h"
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#include "nodes.h"
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#include "optimizing_compiler_stats.h"
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namespace art {
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/**
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* Abstraction to implement an optimization pass.
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*/
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class HOptimization : public ArenaObject<kArenaAllocOptimization> {
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public:
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HOptimization(HGraph* graph,
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const char* pass_name,
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OptimizingCompilerStats* stats = nullptr)
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: graph_(graph),
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stats_(stats),
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pass_name_(pass_name) {}
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virtual ~HOptimization() {}
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// Return the name of the pass. Pass names for a single HOptimization should be of form
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// <optimization_name> or <optimization_name>$<pass_name> for common <optimization_name> prefix.
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// Example: 'instruction_simplifier', 'instruction_simplifier$after_bce',
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// 'instruction_simplifier$before_codegen'.
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const char* GetPassName() const { return pass_name_; }
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// Perform the analysis itself.
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virtual void Run() = 0;
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protected:
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void MaybeRecordStat(MethodCompilationStat compilation_stat, size_t count = 1) const;
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HGraph* const graph_;
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// Used to record stats about the optimization.
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OptimizingCompilerStats* const stats_;
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private:
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// Optimization pass name.
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const char* pass_name_;
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DISALLOW_COPY_AND_ASSIGN(HOptimization);
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};
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} // namespace art
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#endif // ART_COMPILER_OPTIMIZING_OPTIMIZATION_H_
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