1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef FTLExitArgumentForOperand_h 27#define FTLExitArgumentForOperand_h 28 29#if ENABLE(FTL_JIT) 30 31#include "FTLExitArgument.h" 32#include "VirtualRegister.h" 33 34namespace JSC { namespace FTL { 35 36class ExitArgumentForOperand { 37public: 38 ExitArgumentForOperand() 39 : m_operand(VirtualRegister()) 40 { 41 } 42 43 ExitArgumentForOperand(ExitArgument exitArgument, VirtualRegister operand) 44 : m_exitArgument(exitArgument) 45 , m_operand(operand) 46 { 47 } 48 49 bool operator!() const { return !m_exitArgument; } 50 51 const ExitArgument& exitArgument() const { return m_exitArgument; } 52 VirtualRegister operand() const { return m_operand; } 53 54 void dump(PrintStream&) const; 55 56private: 57 ExitArgument m_exitArgument; 58 VirtualRegister m_operand; 59}; 60 61inline bool lesserArgumentIndex( 62 const ExitArgumentForOperand& a, const ExitArgumentForOperand& b) 63{ 64 return a.exitArgument().argument() < b.exitArgument().argument(); 65} 66 67} } // namespace JSC::FTL 68 69#endif // ENABLE(FTL_JIT) 70 71#endif // FTLExitArgumentForOperand_h 72 73