From b0b051ad6c9fab511346882650d5d689f805a980 Mon Sep 17 00:00:00 2001 From: Mingyao Yang Date: Thu, 17 Nov 2016 09:04:53 -0800 Subject: CHA guard optimization (elimination/hoisting). Test: manual by checking the dump-cfg output. Change-Id: I254e168b9a85d2d3d23e02eea7e129c1bc9ab920 --- compiler/optimizing/cha_guard_optimization.h | 42 ++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 compiler/optimizing/cha_guard_optimization.h (limited to 'compiler/optimizing/cha_guard_optimization.h') diff --git a/compiler/optimizing/cha_guard_optimization.h b/compiler/optimizing/cha_guard_optimization.h new file mode 100644 index 0000000000..ba0cdb81fd --- /dev/null +++ b/compiler/optimizing/cha_guard_optimization.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2016 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_CHA_GUARD_OPTIMIZATION_H_ +#define ART_COMPILER_OPTIMIZING_CHA_GUARD_OPTIMIZATION_H_ + +#include "optimization.h" + +namespace art { + +/** + * Optimize CHA guards by removing/moving them. + */ +class CHAGuardOptimization : public HOptimization { + public: + explicit CHAGuardOptimization(HGraph* graph) + : HOptimization(graph, kCHAGuardOptimizationPassName) {} + + void Run() OVERRIDE; + + static constexpr const char* kCHAGuardOptimizationPassName = "cha_guard_optimization"; + + private: + DISALLOW_COPY_AND_ASSIGN(CHAGuardOptimization); +}; + +} // namespace art + +#endif // ART_COMPILER_OPTIMIZING_CHA_GUARD_OPTIMIZATION_H_ -- cgit v1.2.3-59-g8ed1b