[Bug tree-optimization/97500] [11 Regression] ICE in vect_schedule_slp_instance, at tree-vect-slp.c:5094 since r11-3823-g126ed72b9f48f853

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97500

--- Comment #2 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:d94093013877cde3dce5c243099ad54668849400

commit r11-4185-gd94093013877cde3dce5c243099ad54668849400
Author: Richard Biener <rguent...@suse.de>
Date:   Wed Oct 21 10:54:54 2020 +0200

    tree-optimization/97500 - avoid SLP backedges for inductions

    Inductions are not vectorized as cycle but materialized from SCEV data.
    Filling in backedge SLP nodes confuses this process.

    2020-10-21  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/97500
            * tree-vect-slp.c (vect_analyze_slp_backedges): Do not
            fill backedges for inductions.

            * gfortran.dg/pr97500.f90: New testcase.