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1 /*

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

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24 */

26 #ifndef FTLExitArgumentForOperand_h

27 #define FTLExitArgumentForOperand_h

29 #if ENABLE(FTL_JIT)

31 #include "FTLExitArgument.h"

32 #include "VirtualRegister.h"

34 namespace JSC { namespace FTL {

36 class ExitArgumentForOperand {

37 public:

38 ExitArgumentForOperand()

         : m_operand(VirtualRegister())

40 {

41 }

43 ExitArgumentForOperand(ExitArgument exitArgument, VirtualRegister operand)

44 : m_exitArgument(exitArgument)

45 , m_operand(operand)

46 {

47 }

     bool operator!() const { return !m_exitArgument; }

     const ExitArgument& exitArgument() const { return m_exitArgument; }

     VirtualRegister operand() const { return m_operand; }

     void dump(PrintStream&) const;

56 private:

57 ExitArgument m_exitArgument;

58 VirtualRegister m_operand;

59 };

61 inline bool lesserArgumentIndex(

     const ExitArgumentForOperand& a, const ExitArgumentForOperand& b)

63 {

     return a.exitArgument().argument() < b.exitArgument().argument();

65 }

67 } } // namespace JSC::FTL

69 #endif // ENABLE(FTL_JIT)

71 #endif // FTLExitArgumentForOperand_h