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Re: [RFC] Fix PR rtl-optimization/27616


Eric Botcazou <ebotcazou@libertysurf.fr> writes:

> > I'm sure I'm missing something, but if that comes from real code, then
> > how is it going to simplify?
> 
> Not sure if this can be real code, but one can imagine a slew of
> 
>   (set (mem (plus (reg) (const_int n)))
>        (const_int n+1))
> 
> intertwined and everything will fold once we reach the end, no?

True, I can imagine it.  Still, it seems more likely to me that a deep
recursion simply indicates something which will not simplify.

Ian


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