376     if (isa_and_nonnull<UndefValue>(CElt)) {  in simplifyX86varShift()
405         ConstantVec.push_back(UndefValue::get(SVT));  in simplifyX86varShift()
422       ShiftVecAmts.push_back(UndefValue::get(SVT));  in simplifyX86varShift()
444   if (isa<UndefValue>(Arg0) && isa<UndefValue>(Arg1))  in simplifyX86pack()
445     return UndefValue::get(ResTy);  in simplifyX86pack()
509   if (isa<UndefValue>(Arg))  in simplifyX86movmsk()
551     Value *Res = UndefValue::get(RetTy);  in simplifyX86addcarry()
624                         UndefValue::get(IntTy64)};  in simplifyX86extrq()
656       return UndefValue::get(II.getType());  in simplifyX86extrq()
733     return UndefValue::get(II.getType());  in simplifyX86insertq()
781                         UndefValue::get(IntTy64)};  in simplifyX86insertq()
820     if (!COp || (!isa<UndefValue>(COp) && !isa<ConstantInt>(COp)))  in simplifyX86pshufb()
823     if (isa<UndefValue>(COp)) {  in simplifyX86pshufb()
865     if (!COp || (!isa<UndefValue>(COp) && !isa<ConstantInt>(COp)))  in simplifyX86vpermilvar()
868     if (isa<UndefValue>(COp)) {  in simplifyX86vpermilvar()
910     if (!COp || (!isa<UndefValue>(COp) && !isa<ConstantInt>(COp)))  in simplifyX86vpermv()
913     if (isa<UndefValue>(COp)) {  in simplifyX86vpermv()