// Copyright (c) 2017 Google Inc.

//

// 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 "source/opt/instruction_list.h"

namespace spvtools {

namespace opt {

InstructionList::iterator InstructionList::iterator::InsertBefore(

    std::vector<std::unique_ptr<Instruction>>&& list) {

  Instruction* first_node = list.front().get();

  for (auto& i : list) {

    i.release()->InsertBefore(node_);

  }

  list.clear();

  return iterator(first_node);

}

InstructionList::iterator InstructionList::iterator::InsertBefore(

    std::unique_ptr<Instruction>&& i) {

  i.get()->InsertBefore(node_);

  return iterator(i.release());

}

}  // namespace opt

}  // namespace spvtools