text: // Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
  //
  // 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.
  
  #pragma once
  
  #include <memory>
  #include <string>
  #include <unordered_map>
  #include <vector>
  #include "lite/core/mir/pass.h"
  #include "lite/core/op_registry.h"
  
  namespace paddle {
  namespace lite {
  namespace mir {
  
  /*
   * IoComplementPass complement the necessary instruction to make data
   * transferring or transformation between different places.
   */
  class TypeTargetTransformPass : public ProgramPass {
   public:
    void Apply(const std::unique_ptr<SSAGraph>& graph) override;
  
    void ComplementInputs(SSAGraph* graph,
                          Node* inst_node,
                          Node* in,
                          std::unordered_map<std::string, Node*>* copied_nodes);
  
    void AddIoCopyInst(const Type& from,
                       const Type& to,
                       Node* in,
                       SSAGraph* graph,
                       Node* inst_node,
                       std::unordered_map<std::string, Node*>* copied_nodes,
                       const std::vector<Place>& valid_places);
  
    void SetValidPlaces(const std::vector<Place>& valid_places);
  
    const std::vector<Place>& valid_places() const { return valid_places_; }
  
   private:
    void UpdateInstNode(Node* in,
                        SSAGraph* graph,
                        Node* inst_node,
                        std::string io_copy_output_name);
  
    std::vector<Place> valid_places_;
  };
  
  }  // namespace mir
  }  // namespace lite
  }  // namespace paddle
  