[Bug tree-optimization/103254] [12 Regression] Compile time hog in compare_values_warnv since r12-4790-g4b3a325f07acebf4

["cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103254

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Aldy Hernandez <aldyh@gcc.gnu.org>:

https://gcc.gnu.org/g:d1c1919ef8a18eea9d5c1741f8c9adaabf5571f2

commit r12-5515-gd1c1919ef8a18eea9d5c1741f8c9adaabf5571f2
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Wed Nov 24 17:58:43 2021 +0100

    path solver: Move boolean import code to compute_imports.

    In a follow-up patch I will be pruning the set of exported ranges
    within blocks to avoid unnecessary work.  In order to do this, all the
    interesting SSA names must be in the internal import bitmap ahead of
    time.  I had already abstracted them out into compute_imports, but I
    missed the boolean code.  This fixes the oversight.

    There's a net gain of 25 threadable paths, which is unexpected but
    welcome.

    Tested on x86-64 & ppc64le Linux.

    gcc/ChangeLog:

            PR tree-optimization/103254
            * gimple-range-path.cc (path_range_query::compute_ranges): Move
            exported boolean code...
            (path_range_query::compute_imports): ...here.