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/*
* Copyright (c) 2018 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.
*/
#ifndef __ENCO_TRANSFORM_INDIRECT_COPY_ELIMINATION_H__
#define __ENCO_TRANSFORM_INDIRECT_COPY_ELIMINATION_H__
#include "Code.h"
#include "Pass.h"
namespace enco
{
/**
* @brief Convert all the indirect copies as a direct copy
*
* >>> BEFORE <<<
* %obj_0 = ...
* %obj_1 = ...
* %obj_2 = ...
*
* copy(from: %obj_0, into: %obj_1)
* copy(from: %obj_1, into: %obj_2)
*
* >>> AFTER <<<
* %obj_0 = ...
* %obj_1 = ...
* %obj_2 = ...
*
* copy(from: %obj_0, into: %obj_1)
* copy(from: %obj_0, into: %obj_2)
*
*/
void eliminate_indirect_copy(enco::Code *code);
struct IndirectCopyEliminationPass final : public enco::Pass
{
PASS_CTOR(IndirectCopyEliminationPass)
{
// DO NOTHING
}
void run(const SessionID &sess) const override { eliminate_indirect_copy(code(sess)); }
};
} // namespace enco
#endif // __ENCO_TRANSFORM_INDIRECT_COPY_ELIMINATION_H__
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