48 void AliasSet::mergeSetIn(AliasSet &AS, AliasSetTracker &AST) {  in mergeSetIn()  argument
49   assert(!AS.Forward && "Alias set is already forwarding!");  in mergeSetIn()
54   Access |= AS.Access;  in mergeSetIn()
55   Alias  |= AS.Alias;  in mergeSetIn()
63     PointerRec *R = AS.getSomePointer();  in mergeSetIn()
75     if (AS.Alias == SetMustAlias)  in mergeSetIn()
76       AST.TotalMayAliasSetSize += AS.size();  in mergeSetIn()
79   bool ASHadUnknownInsts = !AS.UnknownInsts.empty();  in mergeSetIn()
82       std::swap(UnknownInsts, AS.UnknownInsts);  in mergeSetIn()
86     llvm::append_range(UnknownInsts, AS.UnknownInsts);  in mergeSetIn()
87     AS.UnknownInsts.clear();  in mergeSetIn()
90   AS.Forward = this; // Forward across AS now...  in mergeSetIn()
94   if (AS.PtrList) {  in mergeSetIn()
95     SetSize += AS.size();  in mergeSetIn()
96     AS.SetSize = 0;  in mergeSetIn()
97     *PtrListEnd = AS.PtrList;  in mergeSetIn()
98     AS.PtrList->setPrevInList(PtrListEnd);  in mergeSetIn()
99     PtrListEnd = AS.PtrListEnd;  in mergeSetIn()
101     AS.PtrList = nullptr;  in mergeSetIn()
102     AS.PtrListEnd = &AS.PtrList;  in mergeSetIn()
103     assert(*AS.PtrListEnd == nullptr && "End of list is not null?");  in mergeSetIn()
106     AS.dropRef(AST);  in mergeSetIn()
109 void AliasSetTracker::removeAliasSet(AliasSet *AS) {  in removeAliasSet()  argument
110   if (AliasSet *Fwd = AS->Forward) {  in removeAliasSet()
112     AS->Forward = nullptr;  in removeAliasSet()
114       if (AS->Alias == AliasSet::SetMayAlias)  in removeAliasSet()
115         TotalMayAliasSetSize -= AS->size();  in removeAliasSet()
117   AliasSets.erase(AS);  in removeAliasSet()
120   if (AS == AliasAnyAS) {  in removeAliasSet()
307   for (AliasSet &AS : llvm::make_early_inc_range(*this)) {  in mergeAliasSetsForPointer()
308     if (AS.Forward)  in mergeAliasSetsForPointer()
311     AliasResult AR = AS.aliasesPointer(Ptr, Size, AAInfo, AA);  in mergeAliasSetsForPointer()
320       FoundSet = &AS;  in mergeAliasSetsForPointer()
323       FoundSet->mergeSetIn(AS, *this);  in mergeAliasSetsForPointer()
332   for (AliasSet &AS : llvm::make_early_inc_range(*this)) {  in findAliasSetForUnknownInst()
333     if (AS.Forward || !AS.aliasesUnknownInst(Inst, AA))  in findAliasSetForUnknownInst()
337       FoundSet = &AS;  in findAliasSetForUnknownInst()
340       FoundSet->mergeSetIn(AS, *this);  in findAliasSetForUnknownInst()
384   if (AliasSet *AS =  in getAliasSetFor()  local
387     AS->addPointer(*this, Entry, Size, AAInfo, MustAliasAll);  in getAliasSetFor()
388     return *AS;  in getAliasSetFor()
448   if (AliasSet *AS = findAliasSetForUnknownInst(Inst)) {  in addUnknown()  local
449     AS->addUnknownInst(Inst, AA);  in addUnknown()
523   for (const AliasSet &AS : AST) {  in add()  local
524     if (AS.Forward)  in add()
528     for (unsigned i = 0, e = AS.UnknownInsts.size(); i != e; ++i)  in add()
529       if (auto *Inst = AS.getUnknownInst(i))  in add()
533     for (AliasSet::iterator ASI = AS.begin(), E = AS.end(); ASI != E; ++ASI)  in add()
536           (AliasSet::AccessLattice)AS.Access);  in add()
552   AliasSet *AS = PtrValEnt->getAliasSet(*this);  in deleteValue()  local
557   if (AS->Alias == AliasSet::SetMayAlias) {  in deleteValue()
558     AS->SetSize--;  in deleteValue()
563   AS->dropRef(*this);  in deleteValue()
586   AliasSet *AS = I->second->getAliasSet(*this);  in copyValue()  local
587   AS->addPointer(*this, Entry, I->second->getSize(), I->second->getAAInfo(),  in copyValue()
600   for (AliasSet &AS : *this)  in mergeAllAliasSets()
601     ASVector.push_back(&AS);  in mergeAllAliasSets()
630   AliasSet &AS = getAliasSetFor(Loc);  in addPointer()  local
631   AS.Access |= E;  in addPointer()
639   return AS;  in addPointer()
692   for (const AliasSet &AS : *this)  in print()
693     AS.print(OS);  in print()