diff options
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 6326eda..6f5b523 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -323,7 +323,8 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(LiveInterval &IntA, MachineInstr *UseMI = &*UI; ++UI; if (JoinedCopies.count(UseMI)) - continue; + // It'll no longer be "joined" after the change. + JoinedCopies.erase(UseMI); unsigned UseIdx = li_->getInstructionIndex(UseMI); LiveInterval::iterator ULR = IntA.FindLiveRangeContaining(UseIdx); if (ULR->valno != AValNo) |