https://gcc.gnu.org/bugzilla/show_bug.cgi?id=73550
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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Keywords| |missed-optimization
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to amker from comment #2)
> (In reply to Andrew Pinski from comment #1)
> > There was a patch to improve jump threading and vrp here just within a few
> > weeks. I wonder why that did not help. Basically this is a missing jump
> > threading.
>
> It can't help if the uninitialized info is analyzed/given before jump
> threading/vrp?
We don't do maybe unitialized until very late in the optimization passes.
