diff options
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index d018835456..f8165d3fe0 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -583,7 +583,7 @@ bool RegisterCoalescer::removeCopyByCommutingDef(const CoalescerPair &CP, MachineOperand &NewDstMO = DefMI->getOperand(NewDstIdx); unsigned NewReg = NewDstMO.getReg(); - if (NewReg != IntB.reg || !NewDstMO.isKill()) + if (NewReg != IntB.reg || !LiveRangeQuery(IntB, AValNo->def).isKill()) return false; // Make sure there are no other definitions of IntB that would reach the |