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Subject: [Bug tree-optimization/101014] [12 Regression] Big compile time hog
 with -O3 since r12-1268-g9858cd1a6827ee7a
Date: Fri, 18 Jun 2021 21:44:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101014

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andrew Macleod <amacleod@gcc.gnu.org>:

https://gcc.gnu.org/g:870b674f72d4894b94efa61764fd87ecec29ffde

commit r12-1652-g870b674f72d4894b94efa61764fd87ecec29ffde
Author: Andrew MacLeod <amacleod@redhat.com>
Date:   Fri Jun 18 12:33:18 2021 -0400

    Remove poor value computations.

    Remove the old "poor value" approach which made callbacks into ranger
    from the cache.  Use only the best available value for all propagation.

            PR tree-optimization/101014
            * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove po=
or
            value list.
            (ranger_cache::~ranger_cache): Ditto.
            (ranger_cache::enable_new_values): Delete.
            (ranger_cache::push_poor_value): Delete.
            (ranger_cache::range_of_def): Remove poor value processing.
            (ranger_cache::entry_range): Ditto.
            (ranger_cache::fill_block_cache): Ditto.
            * gimple-range-cache.h (class ranger_cache): Remove poor value
members.
            * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
            * gimple-range.h (class gimple_ranger): Adjust.=