diff options
Diffstat (limited to 'lib/CodeGen/RegisterCoalescer.cpp')
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index 733312fbd0..349fcde5ef 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -657,6 +657,8 @@ bool RegisterCoalescer::removeCopyByCommutingDef(const CoalescerPair &CP, LiveInterval::iterator ULR = IntA.FindLiveRangeContaining(UseIdx); if (ULR == IntA.end() || ULR->valno != AValNo) continue; + // Kill flags are no longer accurate. They are recomputed after RA. + UseMO.setIsKill(false); if (TargetRegisterInfo::isPhysicalRegister(NewReg)) UseMO.substPhysReg(NewReg, *TRI); else |