[Bug tree-optimization/119044] [15 regression] 5-16% slowdown of 436.cactusADM since r15-7665-gee30e2586a3142

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119044

--- Comment #4 from GCC 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:302d22f6ec4706459e12b6ca93e4ac4b5c3590e7

commit r16-191-g302d22f6ec4706459e12b6ca93e4ac4b5c3590e7
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Feb 27 14:51:44 2025 +0100

    tree-optimization/119044 - predcom fails to preserve alias info

    Predictive commoning fails to preserve alias info for the refs it
    creates.  The following adds this to see whether it fixes the
    observed regression in 436.cactusADM after r15-7665.

            PR tree-optimization/119044
            * tree-predcom.cc (ref_at_iteration): Copy alias info
            from the original ref.