[Bug middle-end/105083] scev_initialize should check for loop prerequesites

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105083

--- 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:7bb6fa5a1c77ef6af26c70e3126a8b1353d1f987

commit r13-84-g7bb6fa5a1c77ef6af26c70e3126a8b1353d1f987
Author: Richard Biener <rguent...@suse.de>
Date:   Tue May 3 12:48:43 2022 +0200

    middle-end/105083 - check prerequesites in scev_initialize

    2022-05-03  Richard Biener  <rguent...@suse.de>

            PR middle-end/105083
            * tree-scalar-evolution.cc (scev_initialize): Verify we
            have appropriate loop state.
            * tree-ssa-dce.cc (perform_tree_ssa_dce): Re-order SCEV and
            loop init and finalization.