text: /**
   * Copyright 2020-2021 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.
   */
  
  #ifndef MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_SWITCH_LAYER_DEFER_INLINE_H_
  #define MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_SWITCH_LAYER_DEFER_INLINE_H_
  
  #include <vector>
  #include <algorithm>
  
  #include "frontend/optimizer/irpass.h"
  #include "frontend/optimizer/optimizer.h"
  #include "frontend/optimizer/anf_visitor.h"
  #include "frontend/operator/ops.h"
  
  namespace mindspore {
  namespace opt {
  namespace irpass {
  // {prim::kPrimSwitch, cond, true_branch, false_branch}
  class SwitchDeferInline : public AnfVisitor {
   public:
    AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
      auto cnode = node->cast<CNodePtr>();
      auto true_abstract = dyn_cast<abstract::FuncGraphAbstractClosure>(cnode->input(2)->abstract());
      if (true_abstract != nullptr) {
        *(true_abstract->func_graph()->switch_input()) = true;
      }
      auto false_abstract = dyn_cast<abstract::FuncGraphAbstractClosure>(cnode->input(3)->abstract());
      if (false_abstract != nullptr) {
        *(false_abstract->func_graph()->switch_input()) = true;
      }
      return nullptr;
    }
  };
  
  // {prim::kPrimSwitchLayer, Index, layers}
  class SwitchLayerDeferInline : public AnfVisitor {
   public:
    AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
      auto cnode = node->cast<CNodePtr>();
      auto tuple = dyn_cast<abstract::AbstractTuple>(cnode->input(2)->abstract());
      if (tuple == nullptr) {
        return nullptr;
      }
      for (auto elem : tuple->elements()) {
        auto abstract = dyn_cast<abstract::FuncGraphAbstractClosure>(elem);
        if (abstract != nullptr) {
          *(abstract->func_graph()->switch_layer_input()) = true;
        }
      }
      return nullptr;
    }
  };
  }  // namespace irpass
  }  // namespace opt
  }  // namespace mindspore
  #endif  // MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_SWITCH_LAYER_DEFER_INLINE_H_
  