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Fix off by one error. I misunderstood the comment about killedAt.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134229 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2011-07-01 03:31:29 +00:00
parent 1c8b97cbc0
commit fe11caaa73
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/RegisterCoalescer.cpp
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@ -1213,7 +1213,7 @@ static bool RegistersDefinedFromSameValue(LiveIntervals &li,
// FIXME: If "B = X" kills X, we have to move the kill back to its
// previous use. For now we just avoid the optimization in that case.
SlotIndex CopyIdx = li.getInstructionIndex(MI).getNextIndex().getDefIndex();
SlotIndex CopyIdx = li.getInstructionIndex(MI).getDefIndex();
LiveInterval &SrcInt = li.getInterval(Src);
if (SrcInt.killedAt(CopyIdx))
return false;