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-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index b237247f7f..b321b3fdf6 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1165,6 +1165,7 @@ addIntervalsForSpills(const LiveInterval &li,
// it's also guaranteed to be a single val# / range interval.
if (vrm.getPreSplitReg(li.reg)) {
vrm.setIsSplitFromReg(li.reg, 0);
+ vrm.removeKillPoint(li.reg);
bool DefIsReMat = vrm.isReMaterialized(li.reg);
Slot = vrm.getStackSlot(li.reg);
assert(Slot != VirtRegMap::MAX_STACK_SLOT);
@@ -1398,8 +1399,10 @@ addIntervalsForSpills(const LiveInterval &li,
int UseIdx = LastUse->findRegisterUseOperandIdx(LI->reg);
assert(UseIdx != -1);
if (LastUse->getInstrDescriptor()->
- getOperandConstraint(UseIdx, TOI::TIED_TO) == -1)
+ getOperandConstraint(UseIdx, TOI::TIED_TO) == -1) {
LastUse->getOperand(UseIdx).setIsKill();
+ vrm.addKillPoint(LI->reg, &LastUse->getOperand(UseIdx));
+ }
}
RetNewLIs.push_back(LI);
}