[Bug tree-optimization/119389] [15 Regression] tree FRE very slow when dealing with big switch statements since r15-8050-g6470b4d749a0b9

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119389

--- 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:607f92597c3047d7813a981450a7493bca014324

commit r15-8471-g607f92597c3047d7813a981450a7493bca014324
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Mar 20 15:08:33 2025 +0100

    tree-optimization/119389 - limit edge processing in dominated_by_p_w_unex

    The following removes quadraticness when visiting each predecessor
    of a large CFG merge with dominated_by_p_w_unex.

            PR tree-optimization/119389
            * tree-ssa-sccvn.cc (dominated_by_p_w_unex): Limit the number
            of predecessors of a CFG merge we try to skip.