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