https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845
--- Comment #4 from Qirun Zhang ---
(In reply to Qirun Zhang from comment #3)
> (In reply to Jakub Jelinek from comment #2)
> > I'm not convinced it is a good idea.
> > Sure, in the above case it is obvious it will never trigger, but if we say
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845
--- Comment #3 from Qirun Zhang ---
(In reply to Jakub Jelinek from comment #2)
> I'm not convinced it is a good idea.
> Sure, in the above case it is obvious it will never trigger, but if we say
> use ranger to decide if the operation can or ca
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845
--- Comment #2 from Jakub Jelinek ---
I'm not convinced it is a good idea.
Sure, in the above case it is obvious it will never trigger, but if we say use
ranger to decide if the operation can or can't overflow, then VRP is in many
cases based on
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108845
Andrew Pinski changed:
What|Removed |Added
Keywords||missed-optimization
--- Comment #1 from