171   void VisitDeclRefExpr(DeclRefExpr *DR);
334     if (const auto *DR = dyn_cast<DeclRefExpr>(B->getLHS()->IgnoreParens())) {  in VisitBinaryOperator()  local
335       LV.inAssignment[DR] = 1;  in VisitBinaryOperator()
345     if (DeclRefExpr *DR = dyn_cast<DeclRefExpr>(LHS)) {  in VisitBinaryOperator()  local
346       const Decl* D = DR->getDecl();  in VisitBinaryOperator()
365         observer->observerKill(DR);  in VisitBinaryOperator()
379 void TransferFunctions::VisitDeclRefExpr(DeclRefExpr *DR) {  in VisitDeclRefExpr()  argument
380   const Decl* D = DR->getDecl();  in VisitDeclRefExpr()
381   bool InAssignment = LV.inAssignment[DR];  in VisitDeclRefExpr()
417   DeclRefExpr *DR = nullptr;  in VisitObjCForCollectionStmt()  local
424   else if ((DR = dyn_cast<DeclRefExpr>(cast<Expr>(element)->IgnoreParens()))) {  in VisitObjCForCollectionStmt()
425     VD = cast<VarDecl>(DR->getDecl());  in VisitObjCForCollectionStmt()
430     if (observer && DR)  in VisitObjCForCollectionStmt()
431       observer->observerKill(DR);  in VisitObjCForCollectionStmt()
468   if (auto *DR = dyn_cast<DeclRefExpr>(UO->getSubExpr()->IgnoreParens())) {  in VisitUnaryOperator()  local
469     const Decl *D = DR->getDecl();  in VisitUnaryOperator()
472       observer->observerKill(DR);  in VisitUnaryOperator()