1 /** 2 * Copyright 2024 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_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_FOLD_UPDATESTATES_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_FOLD_UPDATESTATES_H_ 18 #include "include/backend/optimizer/pass.h" 19 20 namespace mindspore::graphkernel { 21 /** 22 * @brief Fold UpdateStates If Order is not guaranteed by those UpdateStates 23 * @example 24 * %1 = UpdateState(...) 25 * %2 = call1(...) 26 * %3 = UpdateState(%1, %2) 27 * %4 = call2(...) 28 * %5 = UpdateState(%3, %4) 29 * ----------> 30 * %1 = UpdateState(...) 31 * %2 = call1(...) 32 * %3 = call2(...) 33 * %4 = UpdateState(%1, %2, %3) 34 */ 35 class FoldUpdateState : public opt::Pass { 36 public: FoldUpdateState()37 FoldUpdateState() : Pass("fold_updatestates") {} 38 ~FoldUpdateState() override = default; 39 bool Run(const FuncGraphPtr &func_graph) override; 40 }; 41 } // namespace mindspore::graphkernel 42 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_FOLD_UPDATESTATES_H_ 43