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Add new opIsUse method

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5062 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner committed 2002-12-15 22:05:02 +00:00
1 parent f605055994
commit c583175e72
1 file changed
+7 -4
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include/llvm/CodeGen/MachineInstr.h
+7 -4
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@@ -84,12 +84,14 @@ public:
private: private:
// Bit fields of the flags variable used for different operand properties // Bit fields of the flags variable used for different operand properties
static const char DEFFLAG = 0x1; // this is a def of the operand static const char DEFFLAG = 0x01; // this is a def of the operand
static const char DEFUSEFLAG = 0x2; // this is both a def and a use static const char DEFUSEFLAG = 0x02; // this is both a def and a use
static const char HIFLAG32 = 0x4; // operand is %hi32(value_or_immedVal) static const char HIFLAG32 = 0x04; // operand is %hi32(value_or_immedVal)
static const char LOFLAG32 = 0x8; // operand is %lo32(value_or_immedVal) static const char LOFLAG32 = 0x08; // operand is %lo32(value_or_immedVal)
static const char HIFLAG64 = 0x10; // operand is %hi64(value_or_immedVal) static const char HIFLAG64 = 0x10; // operand is %hi64(value_or_immedVal)
static const char LOFLAG64 = 0x20; // operand is %lo64(value_or_immedVal) static const char LOFLAG64 = 0x20; // operand is %lo64(value_or_immedVal)
static const char USEDEFMASK = 0x03;
private: private:
union { union {
@@ -203,6 +205,7 @@ public:
return MBB; return MBB;
} }
bool opIsUse () const { return (flags & USEDEFMASK) == 0; }
bool opIsDef () const { return flags & DEFFLAG; } bool opIsDef () const { return flags & DEFFLAG; }
bool opIsDefAndUse () const { return flags & DEFUSEFLAG; } bool opIsDefAndUse () const { return flags & DEFUSEFLAG; }
bool opHiBits32 () const { return flags & HIFLAG32; } bool opHiBits32 () const { return flags & HIFLAG32; }