526   if (UnaryOperator *UO = dyn_cast<UnaryOperator>(E->IgnoreParenCasts()))  in CheckForNullPointerDereference()  local
527     if (UO->getOpcode() == UO_Deref &&  in CheckForNullPointerDereference()
528         UO->getSubExpr()->IgnoreParenCasts()->  in CheckForNullPointerDereference()
530         !UO->getType().isVolatileQualified()) {  in CheckForNullPointerDereference()
531     S.DiagRuntimeBehavior(UO->getOperatorLoc(), UO,  in CheckForNullPointerDereference()
533                             << UO->getSubExpr()->getSourceRange());  in CheckForNullPointerDereference()
534     S.DiagRuntimeBehavior(UO->getOperatorLoc(), UO,  in CheckForNullPointerDereference()
8299   UnaryOperator *UO = dyn_cast<UnaryOperator>(LHS.get()->IgnoreImpCasts());  in diagnoseLogicalNotOnLHSofComparison()  local
8300   if (!UO || UO->getOpcode() != UO_LNot) return;  in diagnoseLogicalNotOnLHSofComparison()
8306   Expr *SubExpr = UO->getSubExpr()->IgnoreImpCasts();  in diagnoseLogicalNotOnLHSofComparison()
8310   S.Diag(UO->getOperatorLoc(), diag::warn_logical_not_on_lhs_of_comparison)  in diagnoseLogicalNotOnLHSofComparison()
8319   S.Diag(UO->getOperatorLoc(), diag::note_logical_not_fix)  in diagnoseLogicalNotOnLHSofComparison()
8329   S.Diag(UO->getOperatorLoc(), diag::note_logical_not_silence_with_parens)  in diagnoseLogicalNotOnLHSofComparison()
9295     if (UnaryOperator *UO = dyn_cast<UnaryOperator>(RHSCheck)) {  in CheckAssignmentOperands()  local
9296       if ((UO->getOpcode() == UO_Plus ||  in CheckAssignmentOperands()
9297            UO->getOpcode() == UO_Minus) &&  in CheckAssignmentOperands()
9298           Loc.isFileID() && UO->getOperatorLoc().isFileID() &&  in CheckAssignmentOperands()
9300           Loc.getLocWithOffset(1) == UO->getOperatorLoc() &&  in CheckAssignmentOperands()
9303           Loc.getLocWithOffset(2) != UO->getSubExpr()->getLocStart() &&  in CheckAssignmentOperands()
9304           UO->getSubExpr()->getLocStart().isFileID()) {  in CheckAssignmentOperands()
9306           << (UO->getOpcode() == UO_Plus ? "+" : "-")  in CheckAssignmentOperands()
9307           << SourceRange(UO->getOperatorLoc(), UO->getOperatorLoc());  in CheckAssignmentOperands()
9505     UnaryOperator *UO = cast<UnaryOperator>(E);  in getPrimaryDecl()  local
9507     switch(UO->getOpcode()) {  in getPrimaryDecl()
9511       return getPrimaryDecl(UO->getSubExpr());  in getPrimaryDecl()