diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 39ab43bb5ea..6b2e98549c7 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -1305,6 +1305,8 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const { OS << "!\"" << MDS->getString() << '\"'; else MO.print(OS, TM); + } else if (TM && (isInsertSubreg() || isRegSequence()) && MO.isImm()) { + OS << TM->getRegisterInfo()->getSubRegIndexName(MO.getImm()); } else MO.print(OS, TM); }