1 /** 2 * Copyright 2020-2021 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 #ifndef MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_UNUSED_NODE_REMOVE_PASS_H_ 17 #define MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_UNUSED_NODE_REMOVE_PASS_H_ 18 19 #include <string> 20 #include "backend/optimizer/common/pass.h" 21 #include "tools/converter/converter_flags.h" 22 #include "mindspore/lite/include/errorcode.h" 23 24 using mindspore::lite::STATUS; 25 namespace mindspore::opt { 26 class UnusedNodeRemovePass : public Pass { 27 public: UnusedNodeRemovePass()28 UnusedNodeRemovePass() : Pass("remove_unused_node_pass") {} 29 ~UnusedNodeRemovePass() override = default; 30 bool Run(const FuncGraphPtr &graph) override; 31 32 private: 33 STATUS ProcessGraph(const FuncGraphPtr &func_graph); 34 }; 35 } // namespace mindspore::opt 36 37 #endif // MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_UNUSED_NODE_REMOVE_PASS_H_ 38