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Use LiveRangeQuery instead of getLiveRangeContaining(). 

llvm-svn: 157142
This commit is contained in:
Jakob Stoklund Olesen 2012-05-20 02:44:33 +00:00
parent ef8431d3be
commit 2aeead4bf6
1 changed files with 4 additions and 4 deletions
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8
llvm/lib/CodeGen/InlineSpiller.cpp
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@ -578,11 +578,11 @@ MachineInstr *InlineSpiller::traceSiblingValue(unsigned UseReg, VNInfo *UseVNI,
if (unsigned SrcReg = isFullCopyOf(MI, Reg)) {
if (isSibling(SrcReg)) {
LiveInterval &SrcLI = LIS.getInterval(SrcReg);
LiveRange *SrcLR = SrcLI.getLiveRangeContaining(VNI->def.getRegSlot(true));
assert(SrcLR && "Copy from non-existing value");
LiveRangeQuery SrcQ(SrcLI, VNI->def);
assert(SrcQ.valueIn() && "Copy from non-existing value");
// Check if this COPY kills its source.
SVI->second.KillsSource = (SrcLR->end == VNI->def);
VNInfo *SrcVNI = SrcLR->valno;
SVI->second.KillsSource = SrcQ.isKill();
VNInfo *SrcVNI = SrcQ.valueIn();
DEBUG(dbgs() << "copy of " << PrintReg(SrcReg) << ':'
<< SrcVNI->id << '@' << SrcVNI->def
<< " kill=" << unsigned(SVI->second.KillsSource) << '\n');