305   return isa<UndefValue>(CmpEq) || match(CmpEq, m_One());  in isElementWiseEqual()
332       this, [&](const auto *C) { return isa<UndefValue>(C); });  in containsUndefOrPoisonElement()
342     return isa<UndefValue>(C) && !isa<PoisonValue>(C);  in containsUndefElement()
437   if (const auto *UV = dyn_cast<UndefValue>(this))  in getAggregateElement()
540     delete static_cast<UndefValue *>(C);  in deleteConstant()
784     return UndefValue::get(Ty);  in mergeUndefsWith()
803       NewC[I] = UndefValue::get(EltTy);  in mergeUndefsWith()
1091 UndefValue *UndefValue::getSequentialElement() const {  in getSequentialElement()
1093     return UndefValue::get(ATy->getElementType());  in getSequentialElement()
1094   return UndefValue::get(cast<VectorType>(getType())->getElementType());  in getSequentialElement()
1097 UndefValue *UndefValue::getStructElement(unsigned Elt) const {  in getStructElement()
1098   return UndefValue::get(getType()->getStructElementType(Elt));  in getStructElement()
1101 UndefValue *UndefValue::getElementValue(Constant *C) const {  in getElementValue()
1107 UndefValue *UndefValue::getElementValue(unsigned Idx) const {  in getElementValue()
1113 unsigned UndefValue::getNumElements() const {  in getNumElements()
1259   if (isa<UndefValue>(C) && rangeOnlyContains(V.begin(), V.end(), C))  in getImpl()
1260     return UndefValue::get(Ty);  in getImpl()
1310     isUndef = isa<UndefValue>(V[0]);  in get()
1320         if (isa<PoisonValue>(C) || !isa<UndefValue>(C))  in get()
1330     return UndefValue::get(ST);  in get()
1357   bool isUndef = isa<UndefValue>(C);  in getImpl()
1373     return UndefValue::get(T);  in getImpl()
1401   else if (isa<UndefValue>(V))  in getSplat()
1402     return UndefValue::get(VTy);  in getSplat()
1628       isa<UndefValue>(Shuf->getOperand(1))) {  in getSplatValue()
1632         isa<UndefValue>(IElt->getOperand(0))) {  in getSplatValue()
1661     if (isa<UndefValue>(OpC))  in getSplatValue()
1665     if (isa<UndefValue>(Elt))  in getSplatValue()
1724 UndefValue *UndefValue::get(Type *Ty) {  in get()
1725   std::unique_ptr<UndefValue> &Entry = Ty->getContext().pImpl->UVConstants[Ty];  in get()
1727     Entry.reset(new UndefValue(Ty));  in get()
1733 void UndefValue::destroyConstantImpl() {  in destroyConstantImpl()
2502     if (isa<UndefValue>(Elt)) {  in getExactLogBase2()
3122   if (AllSame && isa<UndefValue>(ToC))  in handleOperandChangeImpl()
3123     return UndefValue::get(getType());  in handleOperandChangeImpl()
3162   if (AllSame && isa<UndefValue>(ToC))  in handleOperandChangeImpl()
3163     return UndefValue::get(getType());  in handleOperandChangeImpl()