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_VALUE_BASED_ELIMINATE_H_ 18 #define MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_VALUE_BASED_ELIMINATE_H_ 19 20 #include <algorithm> 21 #include <memory> 22 #include <vector> 23 24 #include "frontend/optimizer/irpass.h" 25 #include "frontend/optimizer/irpass/prim_eliminate.h" 26 #include "frontend/optimizer/optimizer_caller.h" 27 #include "frontend/optimizer/anf_visitor.h" 28 #include "ir/pattern_matcher.h" 29 30 namespace mindspore { 31 namespace opt { 32 namespace irpass { 33 // {prim::kPrimSelect, {prim::kPrimGreater, X, 0}, Y, Z}} -> Y when X is always greater than 0 34 // {prim::kPrimMaximum, X, Y} -> X when Y is smaller than LOWER_FLT_LIMIT 35 // {prim::kPrimMinimum, X, Y} -> X when Y is greater than UPPER_FLT_LIMIT 36 class ValueBasedEliminate : public OptimizerCaller { 37 public: 38 AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override; 39 }; 40 } // namespace irpass 41 } // namespace opt 42 } // namespace mindspore 43 #endif // MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_VALUE_BASED_ELIMINATE_H_ 44