[Bug tree-optimization/103990] 541.leela_r slower by 4.5-6% with PGO+LTO -Ofast -march=native in the first week of January 2022

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103990

--- Comment #4 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:2f62294dec1f3af59dd7505c058b0af38c2d1524

commit r12-6527-g2f62294dec1f3af59dd7505c058b0af38c2d1524
Author: Richard Biener <rguent...@suse.de>
Date:   Wed Jan 12 15:25:07 2022 +0100

    tree-optimization/103990 - fix CFG cleanup regression from PRE change

    This adjusts the CFG cleanup flow back to what it was before the
    last change which fixes the observed regression of 541.leela_r with
    LTO and FDO.

    2022-01-12  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/103990
            * tree-pass.h (tail_merge_optimize): Drop unused argument.
            * tree-ssa-tail-merge.c (tail_merge_optimize): Likewise.
            * tree-ssa-pre.c (pass_pre::execute): Retain TODO_cleanup_cfg
            and adjust call to tail_merge_optimize.