91   static bool CanVary(const Expr *Ex,
612 bool IdempotentOperationChecker::CanVary(const Expr *Ex,  in CanVary()  argument
615   Ex = Ex->IgnoreParenCasts();  in CanVary()
617   if (Ex->getLocStart().isMacroID())  in CanVary()
620   switch (Ex->getStmtClass()) {  in CanVary()
653                        cast<const UnaryExprOrTypeTraitExpr>(Ex);  in CanVary()
660     return !isConstantOrPseudoConstant(cast<DeclRefExpr>(Ex), AC);  in CanVary()
664     const BinaryOperator *B = cast<const BinaryOperator>(Ex);  in CanVary()
676     const UnaryOperator *U = cast<const UnaryOperator>(Ex);  in CanVary()
686     return CanVary(cast<const ChooseExpr>(Ex)->getChosenSubExpr(  in CanVary()
690     return CanVary(cast<AbstractConditionalOperator>(Ex)->getCond(), AC);  in CanVary()