[Bug tree-optimization/84646] Missed optimisation for hoisting conditions outside nested loops

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84646

--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:f1b76811f2c3773e8cabcc07932bf13e82e264db

commit r13-3879-gf1b76811f2c3773e8cabcc07932bf13e82e264db
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Nov 10 15:02:37 2022 +0100

    better PHI copy propagation for forwprop

    We can handle _1 = PHI <_1, _2> as a copy.

            PR tree-optimization/84646
            * tree-ssa-forwprop.cc (pass_forwprop::execute): Improve
            copy propagation across PHIs.