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_CCSRC_FRONTEND_OPTIMIZER_IRPASS_MUTABLE_ELIMINATE_H 18 #define MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_MUTABLE_ELIMINATE_H 19 20 #include <algorithm> 21 #include <memory> 22 #include <vector> 23 #include <string> 24 25 #include "frontend/optimizer/optimizer_caller.h" 26 #include "mindspore/core/ops/framework_ops.h" 27 #include "frontend/optimizer/anf_visitor.h" 28 #include "frontend/operator/ops.h" 29 #include "frontend/optimizer/irpass.h" 30 #include "frontend/optimizer/optimizer.h" 31 #include "include/common/utils/utils.h" 32 33 namespace mindspore { 34 namespace opt { 35 namespace irpass { 36 // {prim::kPrimMutable, X, Y} => X 37 class MutableEliminater : public AnfVisitor { 38 public: operator()39 AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override { 40 if (!IsPrimitiveCNode(node, prim::kPrimMutable)) { 41 return nullptr; 42 } 43 44 auto cnode = node->cast<CNodePtr>(); 45 constexpr size_t data_index = 1; 46 return cnode->input(data_index); 47 } 48 }; 49 } // namespace irpass 50 } // namespace opt 51 } // namespace mindspore 52 53 #endif // MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_MUTABLE_ELIMINATE_H 54