Drop the reg argument to isRegReDefinedByTwoAddr, which was redundant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60586 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 5c5ba50..2cca6c0 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -646,13 +646,14 @@
return -1;
}
-/// isRegReDefinedByTwoAddr - Given the defined register and the operand index,
+/// isRegReDefinedByTwoAddr - Given the index of a register def operand,
/// check if the register def is a re-definition due to two addr elimination.
-bool MachineInstr::isRegReDefinedByTwoAddr(unsigned Reg, unsigned DefIdx) const{
+bool MachineInstr::isRegReDefinedByTwoAddr(unsigned DefIdx) const{
+ assert(getOperand(DefIdx).isDef() && "DefIdx is not a def!");
const TargetInstrDesc &TID = getDesc();
for (unsigned i = 0, e = TID.getNumOperands(); i != e; ++i) {
const MachineOperand &MO = getOperand(i);
- if (MO.isReg() && MO.isUse() && MO.getReg() == Reg &&
+ if (MO.isReg() && MO.isUse() &&
TID.getOperandConstraint(i, TOI::TIED_TO) == (int)DefIdx)
return true;
}