aboutsummaryrefslogtreecommitdiff
path: root/include/llvm/CodeGen/MachineInstr.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/CodeGen/MachineInstr.h')
-rw-r--r--include/llvm/CodeGen/MachineInstr.h36
1 files changed, 16 insertions, 20 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 3e8c35a70f..2d04719561 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -109,15 +109,13 @@ struct MachineOperand {
private:
// Bit fields of the flags variable used for different operand properties
enum {
- DEFONLYFLAG = 0x01, // this is a def but not a use of the operand
- DEFUSEFLAG = 0x02, // this is both a def and a use
+ DEFFLAG = 0x01, // this is a def of the operand
+ USEFLAG = 0x02, // this is a use of the operand
HIFLAG32 = 0x04, // operand is %hi32(value_or_immedVal)
LOFLAG32 = 0x08, // operand is %lo32(value_or_immedVal)
HIFLAG64 = 0x10, // operand is %hi64(value_or_immedVal)
LOFLAG64 = 0x20, // operand is %lo64(value_or_immedVal)
PCRELATIVE = 0x40, // Operand is relative to PC, not a global address
-
- USEDEFMASK = 0x03,
};
private:
@@ -157,9 +155,9 @@ private:
opType(OpTy),
regNum(Reg) {
switch (UseTy) {
- case MOTy::Use: flags = 0; break;
- case MOTy::Def: flags = DEFONLYFLAG; break;
- case MOTy::UseAndDef: flags = DEFUSEFLAG; break;
+ case MOTy::Use: flags = USEFLAG; break;
+ case MOTy::Def: flags = DEFFLAG; break;
+ case MOTy::UseAndDef: flags = DEFFLAG | USEFLAG; break;
default: assert(0 && "Invalid value for UseTy!");
}
}
@@ -168,9 +166,9 @@ private:
bool isPCRelative = false)
: value(V), opType(OpTy), regNum(-1) {
switch (UseTy) {
- case MOTy::Use: flags = 0; break;
- case MOTy::Def: flags = DEFONLYFLAG; break;
- case MOTy::UseAndDef: flags = DEFUSEFLAG; break;
+ case MOTy::Use: flags = DEFFLAG; break;
+ case MOTy::Def: flags = USEFLAG; break;
+ case MOTy::UseAndDef: flags = DEFFLAG | USEFLAG; break;
default: assert(0 && "Invalid value for UseTy!");
}
if (isPCRelative) flags |= PCRELATIVE;
@@ -283,13 +281,12 @@ public:
return *SymbolName;
}
- bool opIsUse () const { return (flags & USEDEFMASK) == 0; }
- bool opIsDefOnly () const { return flags & DEFONLYFLAG; }
- bool opIsDefAndUse () const { return flags & DEFUSEFLAG; }
- bool opHiBits32 () const { return flags & HIFLAG32; }
- bool opLoBits32 () const { return flags & LOFLAG32; }
- bool opHiBits64 () const { return flags & HIFLAG64; }
- bool opLoBits64 () const { return flags & LOFLAG64; }
+ bool isUse () const { return flags & USEFLAG; }
+ bool isDef () const { return flags & DEFFLAG; }
+ bool isHiBits32 () const { return flags & HIFLAG32; }
+ bool isLoBits32 () const { return flags & LOFLAG32; }
+ bool isHiBits64 () const { return flags & HIFLAG64; }
+ bool isLoBits64 () const { return flags & LOFLAG64; }
// used to check if a machine register has been allocated to this operand
bool hasAllocatedReg() const {
@@ -681,9 +678,8 @@ public:
inline VTy operator->() const { return operator*(); }
- inline bool isUseOnly() const { return MI->getOperand(i).opIsUse(); }
- inline bool isDefOnly() const { return MI->getOperand(i).opIsDefOnly(); }
- inline bool isDefAndUse() const { return MI->getOperand(i).opIsDefAndUse();}
+ inline bool isUse() const { return MI->getOperand(i).isUse(); }
+ inline bool isDef() const { return MI->getOperand(i).isDef(); }
inline _Self& operator++() { i++; skipToNextVal(); return *this; }
inline _Self operator++(int) { _Self tmp = *this; ++*this; return tmp; }