text: /**
   * Copyright 2021 Huawei Technologies Co., Ltd
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include <memory>
  #include <utility>
  #include <set>
  #include <string>
  #include <unordered_map>
  #include "ir/anf.h"
  #include "tools/optimizer/common/gllo_utils.h"
  #include "backend/optimizer/common/node_pass.h"
  #include "tools/optimizer/parallel/split_strategy.h"
  #include "tools/optimizer/parallel/operator_info.h"
  
  #ifndef MINDSPORE_LITE_SRC_PASS_PARALLEL_PARALLEL_PASS_H_
  #define MINDSPORE_LITE_SRC_PASS_PARALLEL_PARALLEL_PASS_H_
  
  namespace mindspore {
  namespace opt {
  class ParallelPass : public opt::NodePass {
   public:
    explicit ParallelPass(const std::unordered_map<std::string, SplitStrategy> &strategys, const int32_t fmk_type)
        : NodePass("parallel_pass"), split_strategys_(strategys), fmk_type_(fmk_type) {}
    ~ParallelPass() override = default;
    AnfNodePtr Run(const FuncGraphPtr &func_graph, const AnfNodePtr &node) override;
  
   private:
    // to check this node whether support to parallel && split
    bool IsParallelCareNode(const AnfNodePtr &node);
  
    // set curr_node a new op_name with parallel symbol
    bool SetParallelOpName(const AnfNodePtr &node, std::string *parallel_name);
  
    // create a parallel operator from different scope_name
    OperatorInfoPtr CreateParallelOperator(const CNodePtr &cnode, const std::string &scope_name,
                                           const std::string &parallel_op_name);
  
   private:
    bool is_depth_wise_{false};
    std::string type_name_;
    std::unordered_map<std::string, SplitStrategy> split_strategys_;
    int32_t fmk_type_{};
  };
  
  }  // namespace opt
  }  // namespace mindspore
  
  #endif  // MINDSPORE_LITE_SRC_PASS_PARALLEL_PARALLEL_PASS_H_
  