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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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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52649 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2008-06-23 22:12:23 +00:00
parent 73b43b9b54
commit b3db9c90d2
1 changed files with 1 additions and 1 deletions

2
lib/CodeGen/SimpleRegisterCoalescing.cpp

@ -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;