60   bool VisitObjCMessageExpr(ObjCMessageExpr *E) {  in VisitObjCMessageExpr()  argument
61     switch (E->getMethodFamily()) {  in VisitObjCMessageExpr()
63       if (E->isInstanceMessage() && E->getSelector() == FinalizeSel)  in VisitObjCMessageExpr()
67       if (isRemovable(E)) {  in VisitObjCMessageExpr()
68         if (!isCommonUnusedAutorelease(E)) {  in VisitObjCMessageExpr()
76               E->getBeginLoc(), E->getSourceRange());  in VisitObjCMessageExpr()
84       if (E->getReceiverKind() == ObjCMessageExpr::Instance)  in VisitObjCMessageExpr()
85         if (Expr *rec = E->getInstanceReceiver()) {  in VisitObjCMessageExpr()
88               (E->getMethodFamily() != OMF_retain || isRemovable(E))) {  in VisitObjCMessageExpr()
90             err += E->getSelector().getAsString() + "' message on "  in VisitObjCMessageExpr()
97               (E->getMethodFamily() != OMF_retain || isRemovable(E))) {  in VisitObjCMessageExpr()
99             err += E->getSelector().getAsString() + "' message on "  in VisitObjCMessageExpr()
105           if (E->getMethodFamily() == OMF_release && isDelegateMessage(rec)) {  in VisitObjCMessageExpr()
120     switch (E->getReceiverKind()) {  in VisitObjCMessageExpr()
125       clearDiagnostics(E->getSelectorLoc(0));  in VisitObjCMessageExpr()
126       if (tryRemoving(E))  in VisitObjCMessageExpr()
128       Pass.TA.replace(E->getSourceRange(), "self");  in VisitObjCMessageExpr()
135     Expr *rec = E->getInstanceReceiver();  in VisitObjCMessageExpr()
139     clearDiagnostics(E->getSelectorLoc(0));  in VisitObjCMessageExpr()
141     ObjCMessageExpr *Msg = E;  in VisitObjCMessageExpr()
177   bool isCommonUnusedAutorelease(ObjCMessageExpr *E) {  in isCommonUnusedAutorelease()  argument
178     return isPlusOneAssignBeforeOrAfterAutorelease(E) ||  in isCommonUnusedAutorelease()
179            isReturnedAfterAutorelease(E);  in isCommonUnusedAutorelease()
182   bool isReturnedAfterAutorelease(ObjCMessageExpr *E) {  in isReturnedAfterAutorelease()  argument
183     Expr *Rec = E->getInstanceReceiver();  in isReturnedAfterAutorelease()
191     Stmt *nextStmt = getNextStmt(E);  in isReturnedAfterAutorelease()
203   bool isPlusOneAssignBeforeOrAfterAutorelease(ObjCMessageExpr *E) {  in isPlusOneAssignBeforeOrAfterAutorelease()  argument
204     Expr *Rec = E->getInstanceReceiver();  in isPlusOneAssignBeforeOrAfterAutorelease()
213     std::tie(prevStmt, nextStmt) = getPreviousAndNextStmt(E);  in isPlusOneAssignBeforeOrAfterAutorelease()
240   Stmt *getNextStmt(Expr *E) {  in getNextStmt()  argument
241     return getPreviousAndNextStmt(E).second;  in getNextStmt()
244   std::pair<Stmt *, Stmt *> getPreviousAndNextStmt(Expr *E) {  in getPreviousAndNextStmt()  argument
246     if (!E)  in getPreviousAndNextStmt()
249     Stmt *OuterS = E, *InnerS;  in getPreviousAndNextStmt()
272       if (auto *E = dyn_cast_or_null<Expr>(prevStmt))  in getPreviousAndNextStmt()  local
273         prevStmt = E->IgnoreImplicit();  in getPreviousAndNextStmt()
283     if (auto *E = dyn_cast_or_null<Expr>(nextStmt))  in getPreviousAndNextStmt()  local
284       nextStmt = E->IgnoreImplicit();  in getPreviousAndNextStmt()
289   Decl *getReferencedDecl(Expr *E) {  in getReferencedDecl()  argument
290     if (!E)  in getReferencedDecl()
293     E = E->IgnoreParenCasts();  in getReferencedDecl()
294     if (ObjCMessageExpr *ME = dyn_cast<ObjCMessageExpr>(E)) {  in getReferencedDecl()
305     if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))  in getReferencedDecl()
307     if (MemberExpr *ME = dyn_cast<MemberExpr>(E))  in getReferencedDecl()
309     if (ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(E))  in getReferencedDecl()
395   bool isDelegateMessage(Expr *E) const {  in isDelegateMessage()
396     if (!E) return false;  in isDelegateMessage()
398     E = E->IgnoreParenCasts();  in isDelegateMessage()
401     if (PseudoObjectExpr *pseudoOp = dyn_cast<PseudoObjectExpr>(E))  in isDelegateMessage()
402       E = pseudoOp->getResultExpr()->IgnoreImplicit();  in isDelegateMessage()
404     if (ObjCMessageExpr *ME = dyn_cast<ObjCMessageExpr>(E))  in isDelegateMessage()
410   bool isInAtFinally(Expr *E) const {  in isInAtFinally()
411     assert(E);  in isInAtFinally()
412     Stmt *S = E;  in isInAtFinally()
422   bool isRemovable(Expr *E) const {  in isRemovable()
423     return Removables.count(E);  in isRemovable()
426   bool tryRemoving(Expr *E) const {  in tryRemoving()
427     if (isRemovable(E)) {  in tryRemoving()
428       Pass.TA.removeStmt(E);  in tryRemoving()
432     Stmt *parent = StmtMap->getParent(E);  in tryRemoving()
442       if (bopE->getOpcode() == BO_Comma && bopE->getLHS() == E &&  in tryRemoving()