54 bool isUsefullToPreserve(Attribute::AttrKind Kind) {  in isUsefullToPreserve()
56     case Attribute::NonNull:  in isUsefullToPreserve()
57     case Attribute::NoUndef:  in isUsefullToPreserve()
58     case Attribute::Alignment:  in isUsefullToPreserve()
59     case Attribute::Dereferenceable:  in isUsefullToPreserve()
60     case Attribute::DereferenceableOrNull:  in isUsefullToPreserve()
61     case Attribute::Cold:  in isUsefullToPreserve()
75   case Attribute::NonNull:  in canonicalizedKnowledge()
78   case Attribute::Alignment: {  in canonicalizedKnowledge()
87   case Attribute::Dereferenceable:  in canonicalizedKnowledge()
88   case Attribute::DereferenceableOrNull: {  in canonicalizedKnowledge()
106   using MapKey = std::pair<Value *, Attribute::AttrKind>;
156           (!Attribute::isIntAttrKind(RK.AttrKind) ||  in isKnowledgeWorthPreserving()
195   void addAttribute(Attribute Attr, Value *WasOn) {  in addAttribute()
209         for (Attribute Attr : AttrList.getParamAttrs(Idx)) {  in addCall()
210           bool IsPoisonAttr = Attr.hasAttribute(Attribute::NonNull) ||  in addCall()
211                               Attr.hasAttribute(Attribute::Alignment);  in addCall()
215       for (Attribute Attr : AttrList.getFnAttrs())  in addCall()
242           std::string(Attribute::getNameFromAttrKind(MapElem.first.second)),  in build()
258       addKnowledge({Attribute::Dereferenceable, DerefSize, Pointer});  in addAccessedPtr()
261         addKnowledge({Attribute::NonNull, 0u, Pointer});  in addAccessedPtr()
264       addKnowledge({Attribute::Alignment, MA.valueOrOne().value(), Pointer});  in addAccessedPtr()
401     SmallDenseMap<std::pair<Value *, Attribute::AttrKind>,  in dropRedundantKnowledge()
427               if (!Attribute::isIntAttrKind(RK.AttrKind) ||  in dropRedundantKnowledge()
438               Arg->addAttr(Attribute::get(C, RK.AttrKind, RK.ArgValue));  in dropRedundantKnowledge()