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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.
*/
#ifndef __ONERT_COMPILER_PASS_CONSTANT_INSERTION_PASS_H__
#define __ONERT_COMPILER_PASS_CONSTANT_INSERTION_PASS_H__
#include <ir/operand/PermuteFactor.h>
#include <ir/Index.h>
#include "LoweredOperationPass.h"
#include <unordered_map>
#include <utility>
namespace onert
{
namespace compiler
{
namespace pass
{
class ConstantInsertionPass : public LoweredOperationPass
{
public:
using LoweredOperationPass::LoweredOperationPass;
public:
std::string id() final { return "ConstantInsertionPass"; }
public:
void callback(const ir::OperationIndex &index, ir::Operation &node) final;
private:
struct ReplaceKey
{
ir::OperandIndex index;
ir::operand::PermuteFactor factor;
bool operator==(const ReplaceKey &other) const
{
return index == other.index && factor == other.factor;
}
};
/**
* @brief Structure that provides hash function of ReplaceKey
*/
struct KeyHasher
{
std::size_t operator()(const ReplaceKey &key) const noexcept
{
using std::hash;
return hash<ir::OperandIndex>()(key.index) ^
(hash<ir::operand::PermuteFactor>()(key.factor) << 1);
}
};
std::unordered_map<ReplaceKey, ir::OperandIndex, KeyHasher> _replace_operands_map;
};
} // namespace pass
} // namespace compiler
} // namespace onert
#endif // __ONERT_COMPILER_PASS_CONSTANT_INSERTION_PASS_H__
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