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Fixed a typo that's causing a missing kill marker.

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llvm-svn: 41893
This commit is contained in:
Evan Cheng
2007-09-12 23:02:04 +00:00
parent 302def221c
commit d8317967aa
2 changed files with 18 additions and 4 deletions
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7
llvm/lib/CodeGen/LiveVariables.cpp
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@@ -306,9 +306,8 @@ bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *RefMI,
for (const unsigned *SubRegs = RegInfo->getImmediateSubRegisters(Reg);
unsigned SubReg = *SubRegs; ++SubRegs) {
MachineInstr *LastRef = PhysRegInfo[SubReg];
if (LastRef != RefMI)
SubKills.insert(SubReg);
else if (!HandlePhysRegKill(SubReg, RefMI, SubKills))
if (LastRef != RefMI ||
!HandlePhysRegKill(SubReg, RefMI, SubKills))
SubKills.insert(SubReg);
}
@@ -336,7 +335,7 @@ void LiveVariables::addRegisterKills(unsigned Reg, MachineInstr *MI,
bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *RefMI) {
SmallSet<unsigned, 4> SubKills;
if (HandlePhysRegKill(Reg, RefMI, SubKills)) {
addRegisterKilled(Reg, RefMI);
addRegisterKilled(Reg, RefMI, true);
return true;
} else {
// Some sub-registers are killed by another MI.