59   const MDNode *Node = nullptr;
63   explicit AliasScopeNode(const MDNode *N) : Node(N) {}  in AliasScopeNode()
66   const MDNode *getNode() const { return Node; }  in getNode()
69   const MDNode *getDomain() const {  in getDomain()
72     return dyn_cast_or_null<MDNode>(Node->getOperand(1));  in getDomain()
84   const MDNode *AScopes = LocA.AATags.Scope, *BScopes = LocB.AATags.Scope;  in alias()
86   const MDNode *ANoAlias = LocA.AATags.NoAlias, *BNoAlias = LocB.AATags.NoAlias;  in alias()
130 static void collectMDInDomain(const MDNode *List, const MDNode *Domain,  in collectMDInDomain()
131                               SmallPtrSetImpl<const MDNode *> &Nodes) {  in collectMDInDomain()
133     if (const MDNode *MD = dyn_cast<MDNode>(MDOp))  in collectMDInDomain()
138 bool ScopedNoAliasAAResult::mayAliasInScopes(const MDNode *Scopes,  in mayAliasInScopes()
139                                              const MDNode *NoAlias) const {  in mayAliasInScopes()
144   SmallPtrSet<const MDNode *, 16> Domains;  in mayAliasInScopes()
146     if (const MDNode *NAMD = dyn_cast<MDNode>(MDOp))  in mayAliasInScopes()
147       if (const MDNode *Domain = AliasScopeNode(NAMD).getDomain())  in mayAliasInScopes()
152   for (const MDNode *Domain : Domains) {  in mayAliasInScopes()
153     SmallPtrSet<const MDNode *, 16> ScopeNodes;  in mayAliasInScopes()
158     SmallPtrSet<const MDNode *, 16> NANodes;  in mayAliasInScopes()
163     for (const MDNode *SMD : ScopeNodes)  in mayAliasInScopes()