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[Bug tree-optimization/81549] PHI node should be eliminated if loop iterates enough times.
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 25 Jul 2017 13:44:59 +0000
- Subject: [Bug tree-optimization/81549] PHI node should be eliminated if loop iterates enough times.
- Auto-submitted: auto-generated
- References: <bug-81549-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81549
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 25 Jul 2017, amker at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81549
>
> --- Comment #2 from amker at gcc dot gnu.org ---
> (In reply to Richard Biener from comment #1)
> > Confirmed. This is sort of final value replacement (but not SCEV based).
> Hi, do we have dedicated pass responsible for this transformation? Thanks.
Yes, pass_scev_cprop.