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1 /**
2  * Copyright 2022-2023 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_BACKEND_COMMON_OPTIMIZER_DYNAMIC_SHAPE_LINK_CUSTOM_OP_H
18 #define MINDSPORE_CCSRC_BACKEND_COMMON_OPTIMIZER_DYNAMIC_SHAPE_LINK_CUSTOM_OP_H
19 
20 #include <set>
21 #include <utility>
22 #include "ir/anf.h"
23 #include "include/backend/optimizer/optimizer.h"
24 
25 namespace mindspore::opt::dynamic_shape {
26 using DependPair = std::pair<AnfNodePtr, AnfNodePtr>;
27 struct DependPairCmp {
operatorDependPairCmp28   bool operator()(const DependPair &lhs, const DependPair &rhs) const {
29     if (lhs.first != rhs.first) {
30       return lhs.first > rhs.first;
31     }
32     return lhs.second > rhs.second;
33   }
34 };
35 
36 class LinkCustomOp : public Pass {
37  public:
LinkCustomOp()38   LinkCustomOp() : Pass("link_custom_op") {}
39   ~LinkCustomOp() override = default;
40   bool Run(const FuncGraphPtr &func_graph) override;
41 
42  private:
43   void InsertDepend(const FuncGraphPtr &g, const AnfNodePtr &prev, const AnfNodePtr &next,
44                     AnfNodePtrList *depend_nodes);
45   bool LinkInternalOp(const FuncGraphPtr &g, const AnfNodePtr &node, AnfNodePtrList *depend_nodes);
46   bool LinkInputOp(const FuncGraphPtr &g, const CNodePtr &cnode, AnfNodePtrList *depend_nodes);
47   bool LinkDependSync(const FuncGraphPtr &g, const CNodePtr &cnode, AnfNodePtrList *depend_nodes);
48   void AttachDependNodes(const FuncGraphPtr &g, const AnfNodePtrList &depend_nodes) const;
49 
50   std::set<DependPair, DependPairCmp> added_set_;
51 };
52 }  // namespace mindspore::opt::dynamic_shape
53 #endif  // MINDSPORE_CCSRC_BACKEND_COMMON_OPTIMIZER_DYNAMIC_SHAPE_LINK_CUSTOM_OP_H
54