| /* |
| * 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_CONSTANT_FOLDING_H_ |
| #define ART_COMPILER_OPTIMIZING_CONSTANT_FOLDING_H_ |
| |
| #include "nodes.h" |
| #include "optimization.h" |
| |
| namespace art { |
| |
| /** |
| * Optimization pass performing a simple constant-expression |
| * evaluation on the SSA form. |
| * |
| * This class is named art::HConstantFolding to avoid name |
| * clashes with the art::ConstantPropagation class defined in |
| * compiler/dex/post_opt_passes.h. |
| */ |
| class HConstantFolding : public HOptimization { |
| public: |
| explicit HConstantFolding(HGraph* graph) |
| : HOptimization(graph, true, kConstantFoldingPassName) {} |
| |
| void Run() OVERRIDE; |
| |
| static constexpr const char* kConstantFoldingPassName = "constant_folding"; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(HConstantFolding); |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_COMPILER_OPTIMIZING_CONSTANT_FOLDING_H_ |