diff options
Diffstat (limited to 'llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp')
-rw-r--r-- | llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp index 84b226b3d0f..727e8f9628d 100644 --- a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp +++ b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp @@ -909,6 +909,7 @@ unsigned AggressiveAntiDepBreaker::BreakAntiDependencies( // information related to the anti-dependency register, make // sure to update that as well. const SUnit *SU = MISUnitMap[Q->second.Operand->getParent()]; + if (!SU) continue; for (unsigned i = 0, e = SU->DbgInstrList.size() ; i < e ; ++i) { MachineInstr *DI = SU->DbgInstrList[i]; assert (DI->getNumOperands()==3 && DI->getOperand(0).isReg() && |