76     if (Element && isa<UndefValue>(Element)) {  in foldConstVectorToAPInt()
212         if (Src && isa<UndefValue>(Src))  in FoldBitCast()
246     if (isa<UndefValue>(Element)) {  in FoldBitCast()
248       Result.append(Ratio, UndefValue::get(DstEltTy));  in FoldBitCast()
382   if (isa<ConstantAggregateZero>(C) || isa<UndefValue>(C))  in ReadDataFromGlobal()
548     return UndefValue::get(IntType);  in FoldReinterpretLoadFromConstPtr()
552     return UndefValue::get(IntType);  in FoldReinterpretLoadFromConstPtr()
673       if (isa<UndefValue>(GV->getInitializer()))  in ConstantFoldLoadFromConstPtr()
674         return UndefValue::get(Ty);  in ConstantFoldLoadFromConstPtr()
1107       if (isa<UndefValue>(Incoming))  in ConstantFoldInstruction()
1124     return CommonValue ? CommonValue : UndefValue::get(PN->getType());  in ConstantFoldInstruction()
1637   if (isa<UndefValue>(Op)) {  in getConstIntOrUndef()
1657     if (isa<UndefValue>(Operands[0])) {  in ConstantFoldScalarCall()
2034           return UndefValue::get(Ty);  in ConstantFoldScalarCall()
2068           return UndefValue::get(Ty);  in ConstantFoldScalarCall()
2078           return UndefValue::get(Ty);  in ConstantFoldScalarCall()
2091           return UndefValue::get(Ty);  in ConstantFoldScalarCall()
2193       return UndefValue::get(Ty);  in ConstantFoldScalarCall()
2238       if (isa<UndefValue>(MaskElt)) {  in ConstantFoldVectorCall()