75       if (isa<ObjCProtocolDecl>(method->getDeclContext())) {  in checkInitMethod()
129                              const ObjCProtocolDecl *PD, Sema &S) {  in diagnoseNoescape()
522                                    ObjCProtocolDecl *const *ProtoRefs,  in diagnoseUseOfProtocols()
1088     diagnoseUseOfProtocols(*this, IDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartClassInterface()
1090     IDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartClassInterface()
1180   const ObjCList<ObjCProtocolDecl> &PList) {  in CheckForwardProtocolDeclarationForCircularDependency()
1183   for (ObjCList<ObjCProtocolDecl>::iterator I = PList.begin(),  in CheckForwardProtocolDeclarationForCircularDependency()
1185     if (ObjCProtocolDecl *PDecl = LookupProtocol((*I)->getIdentifier(),  in CheckForwardProtocolDeclarationForCircularDependency()
1212   ObjCProtocolDecl *PrevDecl = LookupProtocol(ProtocolName, ProtocolLoc,  in ActOnStartProtocolInterface()
1214   ObjCProtocolDecl *PDecl = nullptr;  in ActOnStartProtocolInterface()
1215   if (ObjCProtocolDecl *Def = PrevDecl? PrevDecl->getDefinition() : nullptr) {  in ActOnStartProtocolInterface()
1224     PDecl = ObjCProtocolDecl::Create(Context, CurContext, ProtocolName,  in ActOnStartProtocolInterface()
1237       ObjCList<ObjCProtocolDecl> PList;  in ActOnStartProtocolInterface()
1238       PList.set((ObjCProtocolDecl *const*)ProtoRefs, NumProtoRefs, Context);  in ActOnStartProtocolInterface()
1244     PDecl = ObjCProtocolDecl::Create(Context, CurContext, ProtocolName,  in ActOnStartProtocolInterface()
1261     diagnoseUseOfProtocols(*this, PDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartProtocolInterface()
1263     PDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartProtocolInterface()
1271 static bool NestedProtocolHasNoDefinition(ObjCProtocolDecl *PDecl,  in NestedProtocolHasNoDefinition()
1272                                           ObjCProtocolDecl *&UndefinedProtocol) {  in NestedProtocolHasNoDefinition()
1294     ObjCProtocolDecl *PDecl = LookupProtocol(Pair.first, Pair.second);  in FindProtocolDeclaration()
1299           llvm::make_unique<DeclFilterCCC<ObjCProtocolDecl>>(),  in FindProtocolDeclaration()
1301       if ((PDecl = Corrected.getCorrectionDeclAs<ObjCProtocolDecl>()))  in FindProtocolDeclaration()
1323     ObjCProtocolDecl *UndefinedProtocol;  in FindProtocolDeclaration()
1349       if (candidate.getCorrectionDeclAs<ObjCProtocolDecl>())  in ValidateCandidate()
1440       ObjCProtocolDecl *&proto  in actOnObjCTypeArgsOrProtocolQualifiers()
1441         = reinterpret_cast<ObjCProtocolDecl *&>(protocols[i]);  in actOnObjCTypeArgsOrProtocolQualifiers()
1455       ObjCProtocolDecl *forwardDecl = nullptr;  in actOnObjCTypeArgsOrProtocolQualifiers()
1488       llvm::SmallPtrSet<ObjCProtocolDecl*, 8> knownProtocols;  in actOnObjCTypeArgsOrProtocolQualifiers()
1492         if (knownProtocols.count(static_cast<ObjCProtocolDecl *>(proto)) == 0) {  in actOnObjCTypeArgsOrProtocolQualifiers()
1513     ObjCProtocolDecl *proto = LookupProtocol(identifiers[i], identifierLocs[i]);  in actOnObjCTypeArgsOrProtocolQualifiers()
1682       if (auto proto = corrected.getCorrectionDeclAs<ObjCProtocolDecl>()) {  in actOnObjCTypeArgsOrProtocolQualifiers()
1770     ObjCProtocolDecl *PrevDecl = LookupProtocol(Ident, IdentPair.second,  in ActOnForwardProtocolDeclaration()
1772     ObjCProtocolDecl *PDecl  in ActOnForwardProtocolDeclaration()
1773       = ObjCProtocolDecl::Create(Context, CurContext, Ident,  in ActOnForwardProtocolDeclaration()
1871     diagnoseUseOfProtocols(*this, CDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartCategoryInterface()
1873     CDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartCategoryInterface()
1877      IDecl->mergeClassExtensionProtocolList((ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartCategoryInterface()
2636 static void findProtocolsWithExplicitImpls(const ObjCProtocolDecl *PDecl,  in findProtocolsWithExplicitImpls()
2662                                     ObjCProtocolDecl *PDecl,  in CheckProtocolMethodDefs()
2821                                       isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2823           WarnExactTypedMethods(ImpMethodDecl, I, isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2847                                       isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2849           WarnExactTypedMethods(ImpMethodDecl, I, isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2854   if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl> (CDecl)) {  in MatchAllMethodDeclarations()
3251   auto *MethodProtocol = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext());  in isMethodContextSameForKindofLookup()
3253       dyn_cast<ObjCProtocolDecl>(MethodInList->getDeclContext());  in isMethodContextSameForKindofLookup()
3439   auto *MethodProtocol = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext());  in FilterMethodsByTypeBound()
3891          || isa<ObjCProtocolDecl>(ClassDecl);  in ActOnAtEnd()
4215   void searchFrom(ObjCProtocolDecl *protocol) {  in searchFrom()
4315       if (isa<ObjCProtocolDecl>(overridden->getDeclContext()) ||  in CheckObjCMethodOverrides()
4343                 if (isa<ObjCProtocolDecl>(SuperOverridden->getDeclContext()) ||  in CheckObjCMethodOverrides()
4370               isa<ObjCProtocolDecl>(overridden->getDeclContext()));  in CheckObjCMethodOverrides()