75       if (isa<ObjCProtocolDecl>(method->getDeclContext())) {  in checkInitMethod()
453                                    ObjCProtocolDecl *const *ProtoRefs,  in diagnoseUseOfProtocols()
1016     diagnoseUseOfProtocols(*this, IDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartClassInterface()
1018     IDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartClassInterface()
1098   const ObjCList<ObjCProtocolDecl> &PList) {  in CheckForwardProtocolDeclarationForCircularDependency()
1101   for (ObjCList<ObjCProtocolDecl>::iterator I = PList.begin(),  in CheckForwardProtocolDeclarationForCircularDependency()
1103     if (ObjCProtocolDecl *PDecl = LookupProtocol((*I)->getIdentifier(),  in CheckForwardProtocolDeclarationForCircularDependency()
1134   ObjCProtocolDecl *PrevDecl = LookupProtocol(ProtocolName, ProtocolLoc,  in ActOnStartProtocolInterface()
1136   ObjCProtocolDecl *PDecl = nullptr;  in ActOnStartProtocolInterface()
1137   if (ObjCProtocolDecl *Def = PrevDecl? PrevDecl->getDefinition() : nullptr) {  in ActOnStartProtocolInterface()
1146     PDecl = ObjCProtocolDecl::Create(Context, CurContext, ProtocolName,  in ActOnStartProtocolInterface()
1154       ObjCList<ObjCProtocolDecl> PList;  in ActOnStartProtocolInterface()
1155       PList.set((ObjCProtocolDecl *const*)ProtoRefs, NumProtoRefs, Context);  in ActOnStartProtocolInterface()
1161     PDecl = ObjCProtocolDecl::Create(Context, CurContext, ProtocolName,  in ActOnStartProtocolInterface()
1178     diagnoseUseOfProtocols(*this, PDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartProtocolInterface()
1180     PDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartProtocolInterface()
1188 static bool NestedProtocolHasNoDefinition(ObjCProtocolDecl *PDecl,  in NestedProtocolHasNoDefinition()
1189                                           ObjCProtocolDecl *&UndefinedProtocol) {  in NestedProtocolHasNoDefinition()
1211     ObjCProtocolDecl *PDecl = LookupProtocol(Pair.first, Pair.second);  in FindProtocolDeclaration()
1216           llvm::make_unique<DeclFilterCCC<ObjCProtocolDecl>>(),  in FindProtocolDeclaration()
1218       if ((PDecl = Corrected.getCorrectionDeclAs<ObjCProtocolDecl>()))  in FindProtocolDeclaration()
1240     ObjCProtocolDecl *UndefinedProtocol;  in FindProtocolDeclaration()
1266       if (candidate.getCorrectionDeclAs<ObjCProtocolDecl>())  in ValidateCandidate()
1357       ObjCProtocolDecl *&proto   in actOnObjCTypeArgsOrProtocolQualifiers()
1358         = reinterpret_cast<ObjCProtocolDecl *&>(protocols[i]);  in actOnObjCTypeArgsOrProtocolQualifiers()
1372       ObjCProtocolDecl *forwardDecl = nullptr;  in actOnObjCTypeArgsOrProtocolQualifiers()
1405       llvm::SmallPtrSet<ObjCProtocolDecl*, 8> knownProtocols;  in actOnObjCTypeArgsOrProtocolQualifiers()
1409         if (knownProtocols.count(static_cast<ObjCProtocolDecl *>(proto)) == 0) {  in actOnObjCTypeArgsOrProtocolQualifiers()
1430     ObjCProtocolDecl *proto = LookupProtocol(identifiers[i], identifierLocs[i]);  in actOnObjCTypeArgsOrProtocolQualifiers()
1601       if (auto proto = corrected.getCorrectionDeclAs<ObjCProtocolDecl>()) {  in actOnObjCTypeArgsOrProtocolQualifiers()
1689     ObjCProtocolDecl *PrevDecl = LookupProtocol(Ident, IdentPair.second,  in ActOnForwardProtocolDeclaration()
1691     ObjCProtocolDecl *PDecl  in ActOnForwardProtocolDeclaration()
1692       = ObjCProtocolDecl::Create(Context, CurContext, Ident,   in ActOnForwardProtocolDeclaration()
1787     diagnoseUseOfProtocols(*this, CDecl, (ObjCProtocolDecl*const*)ProtoRefs,  in ActOnStartCategoryInterface()
1789     CDecl->setProtocolList((ObjCProtocolDecl*const*)ProtoRefs, NumProtoRefs,  in ActOnStartCategoryInterface()
1793      IDecl->mergeClassExtensionProtocolList((ObjCProtocolDecl*const*)ProtoRefs,   in ActOnStartCategoryInterface()
2565 static void findProtocolsWithExplicitImpls(const ObjCProtocolDecl *PDecl,  in findProtocolsWithExplicitImpls()
2591                                     ObjCProtocolDecl *PDecl,  in CheckProtocolMethodDefs()
2750                                       isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2752           WarnExactTypedMethods(ImpMethodDecl, I, isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2776                                       isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2778           WarnExactTypedMethods(ImpMethodDecl, I, isa<ObjCProtocolDecl>(CDecl));  in MatchAllMethodDeclarations()
2783   if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl> (CDecl)) {  in MatchAllMethodDeclarations()
3180   auto *MethodProtocol = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext());  in isMethodContextSameForKindofLookup()
3182       dyn_cast<ObjCProtocolDecl>(MethodInList->getDeclContext());  in isMethodContextSameForKindofLookup()
3368   auto *MethodProtocol = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext());  in FilterMethodsByTypeBound()
3710          || isa<ObjCProtocolDecl>(ClassDecl);  in ActOnAtEnd()
4012   void searchFrom(ObjCProtocolDecl *protocol) {  in searchFrom()
4112       if (isa<ObjCProtocolDecl>(overridden->getDeclContext()) ||  in CheckObjCMethodOverrides()
4140                 if (isa<ObjCProtocolDecl>(SuperOverridden->getDeclContext()) ||  in CheckObjCMethodOverrides()
4167               isa<ObjCProtocolDecl>(overridden->getDeclContext()));  in CheckObjCMethodOverrides()