305   return isa<UndefValue>(CmpEq) || match(CmpEq, m_One());  in isElementWiseEqual()
332       this, [&](const auto *C) { return isa<UndefValue>(C); });  in containsUndefOrPoisonElement()
429   if (const auto *UV = dyn_cast<UndefValue>(this))  in getAggregateElement()
532     delete static_cast<UndefValue *>(C);  in deleteConstant()
778     return UndefValue::get(Ty);  in mergeUndefsWith()
797       NewC[I] = UndefValue::get(EltTy);  in mergeUndefsWith()
1097 UndefValue *UndefValue::getSequentialElement() const {  in getSequentialElement()
1099     return UndefValue::get(ATy->getElementType());  in getSequentialElement()
1100   return UndefValue::get(cast<VectorType>(getType())->getElementType());  in getSequentialElement()
1103 UndefValue *UndefValue::getStructElement(unsigned Elt) const {  in getStructElement()
1104   return UndefValue::get(getType()->getStructElementType(Elt));  in getStructElement()
1107 UndefValue *UndefValue::getElementValue(Constant *C) const {  in getElementValue()
1113 UndefValue *UndefValue::getElementValue(unsigned Idx) const {  in getElementValue()
1119 unsigned UndefValue::getNumElements() const {  in getNumElements()
1265   if (isa<UndefValue>(C) && rangeOnlyContains(V.begin(), V.end(), C))  in getImpl()
1266     return UndefValue::get(Ty);  in getImpl()
1316     isUndef = isa<UndefValue>(V[0]);  in get()
1326         if (isa<PoisonValue>(C) || !isa<UndefValue>(C))  in get()
1336     return UndefValue::get(ST);  in get()
1363   bool isUndef = isa<UndefValue>(C);  in getImpl()
1379     return UndefValue::get(T);  in getImpl()
1407   else if (isa<UndefValue>(V))  in getSplat()
1408     return UndefValue::get(VTy);  in getSplat()
1638       isa<UndefValue>(Shuf->getOperand(1))) {  in getSplatValue()
1642         isa<UndefValue>(IElt->getOperand(0))) {  in getSplatValue()
1671     if (isa<UndefValue>(OpC))  in getSplatValue()
1675     if (isa<UndefValue>(Elt))  in getSplatValue()
1710 UndefValue *UndefValue::get(Type *Ty) {  in get()
1711   std::unique_ptr<UndefValue> &Entry = Ty->getContext().pImpl->UVConstants[Ty];  in get()
1713     Entry.reset(new UndefValue(Ty));  in get()
1719 void UndefValue::destroyConstantImpl() {  in destroyConstantImpl()
2736     if (isa<UndefValue>(Elt)) {  in getExactLogBase2()
3330   if (AllSame && isa<UndefValue>(ToC))  in handleOperandChangeImpl()
3331     return UndefValue::get(getType());  in handleOperandChangeImpl()
3370   if (AllSame && isa<UndefValue>(ToC))  in handleOperandChangeImpl()
3371     return UndefValue::get(getType());  in handleOperandChangeImpl()