diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineVerifier.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index fd00a2d7501..6834059234e 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -1652,7 +1652,8 @@ void MachineVerifier::checkPHIOps(const MachineBasicBlock &MBB) { if (MInfo.reachable) { seen.insert(&Pre); BBInfo &PrInfo = MBBInfoMap[&Pre]; - if (PrInfo.reachable && !PrInfo.isLiveOut(MO0.getReg())) + if (!MO0.isUndef() && PrInfo.reachable && + !PrInfo.isLiveOut(MO0.getReg())) report("PHI operand is not live-out from predecessor", &MO0, I); } } |
