57   const MDNode *Node;
61   explicit AliasScopeNode(const MDNode *N) : Node(N) {}  in AliasScopeNode()
64   const MDNode *getNode() const { return Node; }  in getNode()
67   const MDNode *getDomain() const {  in getDomain()
70     return dyn_cast_or_null<MDNode>(Node->getOperand(1));  in getDomain()
81   const MDNode *AScopes = LocA.AATags.Scope, *BScopes = LocB.AATags.Scope;  in alias()
83   const MDNode *ANoAlias = LocA.AATags.NoAlias, *BNoAlias = LocB.AATags.NoAlias;  in alias()
131     const MDNode *List, const MDNode *Domain,  in collectMDInDomain()
132     SmallPtrSetImpl<const MDNode *> &Nodes) const {  in collectMDInDomain()
134     if (const MDNode *MD = dyn_cast<MDNode>(MDOp))  in collectMDInDomain()
139 bool ScopedNoAliasAAResult::mayAliasInScopes(const MDNode *Scopes,  in mayAliasInScopes()
140                                              const MDNode *NoAlias) const {  in mayAliasInScopes()
145   SmallPtrSet<const MDNode *, 16> Domains;  in mayAliasInScopes()
147     if (const MDNode *NAMD = dyn_cast<MDNode>(MDOp))  in mayAliasInScopes()
148       if (const MDNode *Domain = AliasScopeNode(NAMD).getDomain())  in mayAliasInScopes()
153   for (const MDNode *Domain : Domains) {  in mayAliasInScopes()
154     SmallPtrSet<const MDNode *, 16> NANodes, ScopeNodes;  in mayAliasInScopes()
162     for (const MDNode *SMD : ScopeNodes)  in mayAliasInScopes()