253   FunctionDecl *fn = dyn_cast<FunctionDecl>(CurContext);  in makeUnavailableInSystemHeader()
382   if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {  in ShouldRemoveFromUnused()
385     const FunctionDecl *DeclToCheck;  in ShouldRemoveFromUnused()
436     if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) {  in getUndefinedButUsed()
494       assert(cast<FunctionDecl>(ND)->getMostRecentDecl()->isInlined() &&  in checkUndefinedButUsed()
582       if (const FunctionDecl *FD =  in IsRecordFullyDefined()
583           dyn_cast<FunctionDecl>((*I)->getFriendDecl()))  in IsRecordFullyDefined()
621         const FunctionDecl *Definition = nullptr;  in ActOnEndOfTranslationUnit()
776       if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) {  in ActOnEndOfTranslationUnit()
777         const FunctionDecl *DiagD;  in ActOnEndOfTranslationUnit()
874 FunctionDecl *Sema::getCurFunctionDecl() {  in getCurFunctionDecl()
876   return dyn_cast<FunctionDecl>(DC);  in getCurFunctionDecl()
888   if (isa<ObjCMethodDecl>(DC) || isa<FunctionDecl>(DC))  in getCurFunctionOrMethodDecl()
1259       if (const FunctionDecl *OverloadDecl  in tryExprAsCall()
1260             = dyn_cast<FunctionDecl>((*it)->getUnderlyingDecl())) {  in tryExprAsCall()
1293     if (const FunctionDecl *Fun = dyn_cast<FunctionDecl>(DeclRef->getDecl())) {  in tryExprAsCall()
1363     const FunctionDecl *OverloadDecl = cast<FunctionDecl>(*It);  in notePlausibleOverloads()