1 /** 2 * Copyright 2021 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_CORE_API_IR_FUNC_GRAPH_MANAGER_H_ 18 #define MINDSPORE_CORE_API_IR_FUNC_GRAPH_MANAGER_H_ 19 20 #include <memory> 21 #include <utility> 22 #include <unordered_map> 23 24 #include "utils/visible.h" 25 #include "utils/compact_set.h" 26 #include "utils/hashing.h" 27 #include "ir/anf.h" 28 29 namespace mindspore::api { 30 31 class FuncGraph; 32 using FuncGraphPtr = std::shared_ptr<FuncGraph>; 33 34 class FuncGraphManager; 35 using FuncGraphManagerPtr = std::shared_ptr<FuncGraphManager>; 36 37 using AnfNodeIndexSet = CompactSet<std::pair<AnfNodePtr, int>>; 38 using NodeUsersMap = std::unordered_map<AnfNodePtr, AnfNodeIndexSet, PointerHash<AnfNodePtr>>; 39 40 class MS_CORE_API FuncGraphManager { 41 public: 42 FuncGraphManager() = default; 43 virtual ~FuncGraphManager() = default; 44 45 virtual bool Replace(const AnfNodePtr &old_node, const AnfNodePtr &new_node) = 0; 46 virtual void SetEdge(const AnfNodePtr &node, int index, const AnfNodePtr &value) = 0; 47 virtual void AddEdge(const AnfNodePtr &node, const AnfNodePtr &value) = 0; 48 virtual const NodeUsersMap &node_users() const = 0; 49 50 static FuncGraphManagerPtr Manage(const FuncGraphPtr &func_graph, bool manage = true); 51 }; 52 53 } // namespace mindspore::api 54 55 #endif // MINDSPORE_CORE_API_IR_FUNC_GRAPH_MANAGER_H_ 56