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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. 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.
*/
#include "loco/IR/Use.h"
#include "loco/IR/Node.h"
#include <cassert>
namespace loco
{
void Use::node(Node *node)
{
if (_node != nullptr)
{
assert(_node->_uses.find(this) != _node->_uses.end());
_node->_uses.erase(this);
_node = nullptr;
}
assert(_node == nullptr);
if (node != nullptr)
{
_node = node;
_node->_uses.insert(this);
}
assert(_node == node);
}
} // namespace loco
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