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Change findRegisterUseOperand() to return operand index instead.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35363 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-03-26 22:37:45 +00:00
parent c6b9ef80a8
commit 32eb1f1ca4
2 changed files with 7 additions and 7 deletions
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6
include/llvm/CodeGen/MachineInstr.h
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@ -390,10 +390,10 @@ public:
delete removeFromParent();
}
/// findRegisterUseOperand() - Returns the MachineOperand that is a use of
/// the specific register or NULL if it is not found. It further tightening
/// findRegisterUseOperand() - Returns the operand index that is a use of
/// the specific register or -1 if it is not found. It further tightening
/// the search criteria to a use that kills the register if isKill is true.
MachineOperand *findRegisterUseOperand(unsigned Reg, bool isKill = false);
int findRegisterUseOperand(unsigned Reg, bool isKill = false);
/// findRegisterDefOperand() - Returns the MachineOperand that is a def of
/// the specific register or NULL if it is not found.

8
lib/CodeGen/MachineInstr.cpp
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@ -170,16 +170,16 @@ bool MachineOperand::isIdenticalTo(const MachineOperand &Other) const {
}
/// findRegisterUseOperand() - Returns the MachineOperand that is a use of
/// the specific register or NULL if it is not found. It further tightening
/// the specific register or -1 if it is not found. It further tightening
/// the search criteria to a use that kills the register if isKill is true.
MachineOperand *MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){
int MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
MachineOperand &MO = getOperand(i);
if (MO.isReg() && MO.isUse() && MO.getReg() == Reg)
if (!isKill || MO.isKill())
return &MO;
return i;
}
return NULL;
return -1;
}
/// findRegisterDefOperand() - Returns the MachineOperand that is a def of