darling-JavaScriptCore/ftl/FTLExitArgumentForOperand.h
2017-08-12 09:48:01 -07:00

69 lines
2.2 KiB
C++

/*
* Copyright (C) 2013 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(FTL_JIT)
#include "FTLExitArgument.h"
#include "VirtualRegister.h"
namespace JSC { namespace FTL {
class ExitArgumentForOperand {
public:
ExitArgumentForOperand()
: m_operand(VirtualRegister())
{
}
ExitArgumentForOperand(ExitArgument exitArgument, VirtualRegister operand)
: m_exitArgument(exitArgument)
, m_operand(operand)
{
}
bool operator!() const { return !m_exitArgument; }
const ExitArgument& exitArgument() const { return m_exitArgument; }
VirtualRegister operand() const { return m_operand; }
void dump(PrintStream&) const;
private:
ExitArgument m_exitArgument;
VirtualRegister m_operand;
};
inline bool lesserArgumentIndex(
const ExitArgumentForOperand& a, const ExitArgumentForOperand& b)
{
return a.exitArgument().argument() < b.exitArgument().argument();
}
} } // namespace JSC::FTL
#endif // ENABLE(FTL_JIT)