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_LITE_TOOLS_OPTIMIZER_FUSION_STRIDED_SLICE_CHECKER_H_ 18 #define MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_STRIDED_SLICE_CHECKER_H_ 19 20 #include <vector> 21 #include "ir/anf.h" 22 #include "tools/lite_exporter/fetch_content.h" 23 24 namespace mindspore { 25 namespace opt { 26 class StridedSliceChecker { 27 public: 28 StridedSliceChecker() = default; 29 ~StridedSliceChecker() = default; 30 static bool CheckCommonInfo(const CNodePtr &strided_slice); 31 static int GetBegin(const CNodePtr &strided_slice, std::vector<int> *begin); 32 static int GetEnd(const CNodePtr &strided_slice, std::vector<int> *end); 33 34 private: 35 static bool CheckStepIsOne(const CNodePtr &strided_slice); 36 static int GetConstTensor(const CNodePtr &strided_slice, size_t index, lite::DataInfo *data_info); 37 }; 38 } // namespace opt 39 } // namespace mindspore 40 #endif // MINDSPORE_LITE_TOOLS_OPTIMIZER_FUSION_STRIDED_SLICE_CHECKER_H_ 41