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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 __CODE_INDEX_H__
#define __CODE_INDEX_H__
#include <coco/IR/Block.h>
#include <coco/IR/Instr.h>
/**
* @brief A CodeIndex denotes the index of instruction inside the whole module
*/
class CodeIndex
{
public:
CodeIndex() = default;
public:
CodeIndex(const coco::BlockIndex &blk_ind, const coco::InstrIndex &ins_ind)
: _blk_ind{blk_ind}, _ins_ind{ins_ind}
{
}
public:
const coco::BlockIndex &block(void) const { return _blk_ind; }
const coco::InstrIndex &instr(void) const { return _ins_ind; }
private:
coco::BlockIndex _blk_ind;
coco::InstrIndex _ins_ind;
};
static inline coco::BlockIndex block_index(const coco::Block *blk)
{
if (blk == nullptr)
{
return coco::BlockIndex{};
}
return blk->index();
}
static inline CodeIndex code_index(const coco::Instr *ins)
{
return CodeIndex{block_index(ins->parent()), ins->index()};
}
static inline bool operator<(const CodeIndex &lhs, const CodeIndex &rhs)
{
if (lhs.block() < rhs.block())
{
return true;
}
if (lhs.block().value() > rhs.block().value())
{
return false;
}
return lhs.instr() < rhs.instr();
}
#endif // __CODE_INDEX_H__
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