419         auto VI = LocalVRMap.find(Reg);  in duplicateInstruction()  local
420         if (VI != LocalVRMap.end()) {  in duplicateInstruction()
425           auto *MappedRC = MRI->getRegClass(VI->second.Reg);  in duplicateInstruction()
427           if (VI->second.SubReg != 0) {  in duplicateInstruction()
429                                                      VI->second.SubReg);  in duplicateInstruction()
434               MRI->setRegClass(VI->second.Reg, ConstrRC);  in duplicateInstruction()
445                            : MRI->constrainRegClass(VI->second.Reg, OrigRC);  in duplicateInstruction()
451             MO.setReg(VI->second.Reg);  in duplicateInstruction()
455                 TRI->composeSubRegIndices(VI->second.SubReg, MO.getSubReg()));  in duplicateInstruction()
463                 .addReg(VI->second.Reg, 0, VI->second.SubReg);  in duplicateInstruction()
464             LocalVRMap.erase(VI);  in duplicateInstruction()