172   void VisitDeclRefExpr(DeclRefExpr *DR);
335     if (const auto *DR = dyn_cast<DeclRefExpr>(B->getLHS()->IgnoreParens())) {  in VisitBinaryOperator()  local
336       LV.inAssignment[DR] = 1;  in VisitBinaryOperator()
346     if (DeclRefExpr *DR = dyn_cast<DeclRefExpr>(LHS)) {  in VisitBinaryOperator()  local
347       const Decl* D = DR->getDecl();  in VisitBinaryOperator()
366         observer->observerKill(DR);  in VisitBinaryOperator()
380 void TransferFunctions::VisitDeclRefExpr(DeclRefExpr *DR) {  in VisitDeclRefExpr()  argument
381   const Decl* D = DR->getDecl();  in VisitDeclRefExpr()
382   bool InAssignment = LV.inAssignment[DR];  in VisitDeclRefExpr()
418   DeclRefExpr *DR = nullptr;  in VisitObjCForCollectionStmt()  local
425   else if ((DR = dyn_cast<DeclRefExpr>(cast<Expr>(element)->IgnoreParens()))) {  in VisitObjCForCollectionStmt()
426     VD = cast<VarDecl>(DR->getDecl());  in VisitObjCForCollectionStmt()
431     if (observer && DR)  in VisitObjCForCollectionStmt()
432       observer->observerKill(DR);  in VisitObjCForCollectionStmt()
469   if (auto *DR = dyn_cast<DeclRefExpr>(UO->getSubExpr()->IgnoreParens())) {  in VisitUnaryOperator()  local
470     const Decl *D = DR->getDecl();  in VisitUnaryOperator()
473       observer->observerKill(DR);  in VisitUnaryOperator()