[Bug tree-optimization/105618] [11/12/13 Regression] Missed loop body simplification by -O3 (trunk v.s. 10.3)

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105618

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:ebce0e9bd8d714a8607ae24331a3d842b0d11859

commit r13-550-gebce0e9bd8d714a8607ae24331a3d842b0d11859
Author: Richard Biener <rguenther@suse.de>
Date:   Tue May 17 09:45:02 2022 +0200

    tree-optimization/105618 - restore load sinking

    The PR97330 fix caused some missed sinking of loads out of loops
    the following patch re-instantiates.

    2022-05-17  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/105618
            * tree-ssa-sink.cc (statement_sink_location): For virtual
            PHI uses ignore those defining the used virtual operand.

            * gcc.dg/tree-ssa/ssa-sink-19.c: New testcase.