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 #ifndef MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_AXIS_NORMALIZER_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_AXIS_NORMALIZER_H_ 18 19 #include "ir/func_graph.h" 20 #include "include/backend/optimizer/optimizer.h" 21 22 namespace mindspore::graphkernel { 23 // change Reduce nodes' axis to non-negative value 24 class AxisNormalizer : public opt::Pass { 25 public: AxisNormalizer()26 AxisNormalizer() : Pass("axis_normalizer") {} 27 ~AxisNormalizer() = default; 28 bool Run(const FuncGraphPtr &func_graph) override; 29 30 private: 31 bool Process(const AnfNodePtr &graph_kernel_node) const; 32 // convert the axis value to a shape vector, return true if the axis changed after normalization, 33 // return false otherwise 34 bool AxisProcess(ValuePtr axis, const size_t rank, ShapeVector *axis_vec) const; 35 int64_t NormAxis(int64_t x, size_t rank) const; 36 bool IsReduce(const AnfNodePtr &node) const; 37 }; 38 } // namespace mindspore::graphkernel 39 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_AXIS_NORMALIZER_H_ 40