272 PreferredTuple ChoosePreferredUse(PreferredTuple &CurrentUse,  in ChoosePreferredUse()  argument
276   if (!CurrentUse.Ty.isValid()) {  in ChoosePreferredUse()
277     if (CurrentUse.ExtendOpcode == OpcodeForCandidate ||  in ChoosePreferredUse()
278         CurrentUse.ExtendOpcode == TargetOpcode::G_ANYEXT)  in ChoosePreferredUse()
280     return CurrentUse;  in ChoosePreferredUse()
291       CurrentUse.ExtendOpcode != TargetOpcode::G_ANYEXT)  in ChoosePreferredUse()
292     return CurrentUse;  in ChoosePreferredUse()
293   else if (CurrentUse.ExtendOpcode == TargetOpcode::G_ANYEXT &&  in ChoosePreferredUse()
299   if (CurrentUse.Ty == TyForCandidate) {  in ChoosePreferredUse()
300     if (CurrentUse.ExtendOpcode == TargetOpcode::G_SEXT &&  in ChoosePreferredUse()
302       return CurrentUse;  in ChoosePreferredUse()
303     else if (CurrentUse.ExtendOpcode == TargetOpcode::G_ZEXT &&  in ChoosePreferredUse()
313   if (TyForCandidate.getSizeInBits() > CurrentUse.Ty.getSizeInBits()) {  in ChoosePreferredUse()
316   return CurrentUse;  in ChoosePreferredUse()