[Bug tree-optimization/81549] PHI node should be eliminated if loop iterates enough times.

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81549

--- Comment #3 from amker at gcc dot gnu.org ---
(In reply to amker from comment #2)
> (In reply to Richard Biener from comment #1)
> > Confirmed.  This is sort of final value replacement (but not SCEV based).
Hmm, it could be SCEV based if we recognize/support more kinds of scalar
evolution.
> Hi, do we have dedicated pass responsible for this transformation?  Thanks.