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_COMMON_EXPANDER_CORE_INFER_H_ 18 #define MINDSPORE_CCSRC_COMMON_EXPANDER_CORE_INFER_H_ 19 #include <memory> 20 #include "include/common/expander/core/node.h" 21 #include "abstract/ops/primitive_infer_map.h" 22 23 namespace mindspore { 24 namespace expander { 25 /// \brief ExpanderInfer is the adapter for inferring functions that is called in emitter. 26 class COMMON_EXPORT ExpanderInfer { 27 public: 28 ExpanderInfer() = default; 29 virtual ~ExpanderInfer() = default; 30 31 /// \brief Infer shape and dtype for node 32 virtual void Infer(const NodePtr &node) = 0; 33 34 virtual AbstractBasePtr GetAbstract(const NodePtr &node) = 0; 35 virtual BaseShapePtr GetShape(const NodePtr &node) = 0; 36 virtual TypePtr GetDtype(const NodePtr &node) = 0; 37 }; 38 using ExpanderInferPtr = std::shared_ptr<ExpanderInfer>; 39 40 /// \brief CppInfer calls the InferShapeAndType interface of frontend or backend map. 41 class COMMON_EXPORT CppInfer : public ExpanderInfer { 42 public: Infer(const NodePtr & node)43 void Infer(const NodePtr &node) override { return InferAnfnode(node->get()); } GetAbstract(const NodePtr & node)44 AbstractBasePtr GetAbstract(const NodePtr &node) override { return node->get()->abstract(); } 45 BaseShapePtr GetShape(const NodePtr &node) override; 46 TypePtr GetDtype(const NodePtr &node) override; 47 48 protected: 49 void InferAnfnode(const AnfNodePtr &anfnode) const; infer_impl_cache()50 static abstract::PrimitiveEvalImplMap &infer_impl_cache() { 51 static abstract::PrimitiveEvalImplMap cache{}; 52 return cache; 53 } 54 }; 55 } // namespace expander 56 } // namespace mindspore 57 #endif // MINDSPORE_CCSRC_COMMON_EXPANDER_CORE_INFER_H_ 58