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Add method MachineOperand::hasAllocatedReg(). 

llvm-svn: 3747
This commit is contained in:
Vikram S. Adve 2002-09-16 15:58:54 +00:00
parent 656e77d102
commit 794cbb1e11
1 changed files with 10 additions and 3 deletions
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13
llvm/include/llvm/CodeGen/MachineInstr.h
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@ -136,14 +136,21 @@ public:
inline bool opLoBits64 () const {
return flags & LOFLAG64;
}
// used to get the reg number if when one is allocated (must be
// called only after reg alloc)
// used to check if a machine register has been allocated to this operand
inline bool hasAllocatedReg() const {
return (regNum >= 0 &&
(opType == MO_VirtualRegister || opType == MO_CCRegister ||
opType == MO_MachineRegister));
}
// used to get the reg number if when one is allocated
inline int getAllocatedRegNum() const {
assert(opType == MO_VirtualRegister || opType == MO_CCRegister ||
opType == MO_MachineRegister);
return regNum;
}
public:
friend std::ostream& operator<<(std::ostream& os, const MachineOperand& mop);