1 /** 2 * Copyright 2022 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_HARD_SWISH_FUSION_H_ 17 #define MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_HARD_SWISH_FUSION_H_ 18 19 #include <memory> 20 #include <string> 21 #include "schema/inner/model_generated.h" 22 #include "tools/optimizer/common/pattern_process_pass_extends.h" 23 #include "include/common/utils/utils.h" 24 #include "tools/optimizer/common/gllo_utils.h" 25 26 namespace mindspore { 27 namespace opt { 28 /// fuse hard swish into one operator 29 class HardSwishFusion : public LitePatternProcessPass { 30 public: 31 explicit HardSwishFusion(const std::string &name = "HardSwishFusion", bool multigraph = true) LitePatternProcessPass(name,multigraph)32 : LitePatternProcessPass(name, multigraph) {} 33 34 ~HardSwishFusion() override = default; 35 36 private: 37 bool Init() const; 38 const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const override; 39 bool CheckPattern(const EquivPtr &equiv) const; 40 const BaseRef DefinePattern() const override; 41 42 protected: 43 mutable VarPtr input_ = nullptr; 44 mutable VarPtr add_const_ = nullptr; 45 mutable VarPtr div_const_ = nullptr; 46 }; 47 } // namespace opt 48 } // namespace mindspore 49 50 #endif // MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_HARD_SWISH_FUSION_H_ 51