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 17 #ifndef MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_REDUCE_STACK_FUSION_H 18 #define MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_REDUCE_STACK_FUSION_H 19 20 #include "ir/anf.h" 21 #include "include/backend/optimizer/pass.h" 22 23 namespace mindspore { 24 namespace opt { 25 class ReduceStackFusion : public Pass { 26 public: ReduceStackFusion()27 ReduceStackFusion() : Pass("ReduceStackFusion") {} 28 ~ReduceStackFusion() override = default; 29 bool Run(const FuncGraphPtr &func_graph) override; 30 31 private: 32 int Process(const FuncGraphPtr &func_graph, const CNodePtr &stack); 33 bool CheckCanFusion(const FuncGraphPtr &func_graph, const CNodePtr &stack); 34 bool CheckReduce(const FuncGraphPtr &func_graph, const CNodePtr &reduce, int stack_axis); 35 PrimitivePtr reduce_prim_{nullptr}; 36 }; 37 } // namespace opt 38 } // namespace mindspore 39 #endif // MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_REDUCE_STACK_FUSION_H 40