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Use getMBBEndIdx rather than assuming that the end is right after the last instruction in the block.

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llvm-svn: 52649
This commit is contained in:
Owen Anderson 2008-06-23 22:12:23 +00:00
parent 24ec9f54bc
commit f2386cff4f
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -443,7 +443,7 @@ bool SimpleRegisterCoalescing::isBackEdgeCopy(MachineInstr *CopyMI,
LI.FindLiveRangeContaining(li_->getDefIndex(DefIdx));
if (DstLR == LI.end())
return false;
unsigned KillIdx = li_->getInstructionIndex(&MBB->back()) + InstrSlots::NUM;
unsigned KillIdx = li_->getMBBEndIdx(MBB) + 1;
if (DstLR->valno->kills.size() == 1 &&
DstLR->valno->kills[0] == KillIdx && DstLR->valno->hasPHIKill)
return true;