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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(B3_JIT)
#include "AirInsertionSet.h"
#include <wtf/Insertion.h>
#include <wtf/Vector.h>
namespace JSC { namespace B3 { namespace Air {
class BasicBlock;
class Code;
// Phased insertions allow you to ascribe phases to the things inserted at an instruction boundary.
class PhaseInsertion : public Insertion {
public:
PhaseInsertion() { }
template<typename T>
PhaseInsertion(size_t index, unsigned phase, T&& element)
: Insertion(index, std::forward<T>(element))
, m_phase(phase)
{
}
unsigned phase() const { return m_phase; }
bool operator<(const PhaseInsertion& other) const
{
if (index() != other.index())
return index() < other.index();
return m_phase < other.m_phase;
}
private:
unsigned m_phase { 0 };
};
class PhaseInsertionSet {
public:
PhaseInsertionSet()
{
}
template<typename T>
void appendInsertion(T&& insertion)
{
m_insertions.append(std::forward<T>(insertion));
}
template<typename Inst>
void insertInst(size_t index, unsigned phase, Inst&& inst)
{
appendInsertion(PhaseInsertion(index, phase, std::forward<Inst>(inst)));
}
template<typename... Arguments>
void insert(size_t index, unsigned phase, Arguments&&... arguments)
{
insertInst(index, phase, Inst(std::forward<Arguments>(arguments)...));
}
void execute(BasicBlock*);
private:
Vector<PhaseInsertion, 8> m_insertions;
};
} } } // namespace JSC::B3::Air
#endif // ENABLE(B3_JIT)
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