1 /** 2 * Copyright 2020 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_GRAD_VAR_PREPARE_H_ 18 #define MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_GRAD_VAR_PREPARE_H_ 19 20 #include <vector> 21 #include <algorithm> 22 #include <unordered_map> 23 #include <memory> 24 25 #include "frontend/operator/composite/composite.h" 26 #include "frontend/operator/ops.h" 27 #include "frontend/optimizer/irpass.h" 28 #include "frontend/optimizer/optimizer.h" 29 #include "frontend/optimizer/anf_visitor.h" 30 #include "ir/func_graph.h" 31 #include "ir/func_graph_cloner.h" 32 33 namespace mindspore { 34 namespace opt { 35 namespace irpass { 36 // {{GradOperation, g, w}, Ys} 37 // {UnPackCall, {GradOperation, g, w}, Ys} 38 class GradVarPrepare : public AnfVisitor { 39 public: GradVarPrepare()40 GradVarPrepare() 41 : grad_op_(std::make_shared<prim::GradOperation>("grad")), 42 unpack_op_(std::make_shared<prim::UnpackCall>("unpack_call")) {} 43 ~GradVarPrepare() override = default; 44 45 AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override; 46 47 private: 48 MetaFuncGraphPtr grad_op_; 49 MetaFuncGraphPtr unpack_op_; 50 }; 51 } // namespace irpass 52 } // namespace opt 53 } // namespace mindspore 54 #endif // MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_GRAD_VAR_PREPARE_H_ 55