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There's no 'B3' in the example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun 2013-09-06 16:44:25 +00:00
parent 256cb9eaaf
commit c725865bbc
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/RegisterCoalescer.cpp
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@ -577,7 +577,7 @@ bool RegisterCoalescer::removeCopyByCommutingDef(const CoalescerPair &CP,
LiveInterval &IntB = LiveInterval &IntB =
LIS->getInterval(CP.isFlipped() ? CP.getSrcReg() : CP.getDstReg()); LIS->getInterval(CP.isFlipped() ? CP.getSrcReg() : CP.getDstReg());
// BValNo is a value number in B that is defined by a copy from A. 'B3' in // BValNo is a value number in B that is defined by a copy from A. 'B1' in
// the example above. // the example above.
VNInfo *BValNo = IntB.getVNInfoAt(CopyIdx); VNInfo *BValNo = IntB.getVNInfoAt(CopyIdx);
if (!BValNo || BValNo->def != CopyIdx) if (!BValNo || BValNo->def != CopyIdx)