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/*
* Copyright (C) 2015 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_LOAD_STORE_ELIMINATION_H_
#define ART_COMPILER_OPTIMIZING_LOAD_STORE_ELIMINATION_H_
#include "optimization.h"
namespace art {
class SideEffectsAnalysis;
class LoadStoreElimination : public HOptimization {
public:
// Whether or not we should attempt partial Load-store-elimination which
// requires additional blocks and predicated instructions.
static constexpr bool kEnablePartialLSE = true;
// Controls whether to enable VLOG(compiler) logs explaining the transforms taking place.
static constexpr bool kVerboseLoggingMode = false;
LoadStoreElimination(HGraph* graph,
OptimizingCompilerStats* stats,
const char* name = kLoadStoreEliminationPassName)
: HOptimization(graph, name, stats) {}
bool Run() override {
return Run(kEnablePartialLSE);
}
// Exposed for testing.
bool Run(bool enable_partial_lse);
static constexpr const char* kLoadStoreEliminationPassName = "load_store_elimination";
private:
DISALLOW_COPY_AND_ASSIGN(LoadStoreElimination);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_LOAD_STORE_ELIMINATION_H_
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