diff options
| -rw-r--r-- | llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp index cca891d7735..c6d4576e9c9 100644 --- a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -464,7 +464,7 @@ bool SimpleRegisterCoalescing::ReMaterializeTrivialDef(LiveInterval &SrcInt, MachineOperand &MO = CopyMI->getOperand(i); if (MO.isReg() && MO.isImplicit()) NewMI->addOperand(MO); - if (MO.isDef()) { + if (MO.isDef() && li_->hasInterval(MO.getReg())) { unsigned Reg = MO.getReg(); DLR = li_->getInterval(Reg).getLiveRangeContaining(DefIdx); if (DLR && DLR->valno->copy == CopyMI) |
