diff options
| -rw-r--r-- | lib/CodeGen/StrongPHIElimination.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp index 87bb803488..91ec13df64 100644 --- a/lib/CodeGen/StrongPHIElimination.cpp +++ b/lib/CodeGen/StrongPHIElimination.cpp @@ -233,10 +233,9 @@ bool StrongPHIElimination::runOnMachineFunction(MachineFunction& MF) { addReg(SrcReg); unionRegs(DestReg, SrcReg); - for (MachineRegisterInfo::def_iterator DI = MRI->def_begin(SrcReg), - DE = MRI->def_end(); DI != DE; ++DI) { - PHISrcDefs[DI->getParent()].push_back(&*DI); - } + MachineInstr* DefMI = MRI->getVRegDef(SrcReg); + if (DefMI) + PHISrcDefs[DefMI->getParent()].push_back(DefMI); } } } |