diff options
| -rw-r--r-- | llvm/lib/Target/Hexagon/RDFLiveness.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/RDFLiveness.cpp b/llvm/lib/Target/Hexagon/RDFLiveness.cpp index 6710e5083d5..2a2700ee6ac 100644 --- a/llvm/lib/Target/Hexagon/RDFLiveness.cpp +++ b/llvm/lib/Target/Hexagon/RDFLiveness.cpp @@ -801,7 +801,7 @@ void Liveness::resetKills(MachineBasicBlock *B) { Live.reset(*SR); } for (auto &Op : MI->operands()) { - if (!Op.isReg() || !Op.isUse()) + if (!Op.isReg() || !Op.isUse() || Op.isUndef()) continue; unsigned R = Op.getReg(); if (!TargetRegisterInfo::isPhysicalRegister(R)) |
