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Subject: [Bug tree-optimization/102943] [12 Regression] Jump threader
 compile-time hog with 521.wrf_r
Date: Thu, 17 Mar 2022 20:44:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102943

--- Comment #51 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:8db155ddf8cec9e31f0a4b8d80cc67db2c7a26f9

commit r12-7692-g8db155ddf8cec9e31f0a4b8d80cc67db2c7a26f9
Author: Andrew MacLeod <amacleod@redhat.com>
Date:   Thu Mar 17 10:52:10 2022 -0400

    Always use dominators in the cache when available.

    This patch adjusts range_from_dom to follow the dominator tree through =
the
    cache until value is found, then apply any outgoing ranges encountered
    along the way.  This reduces the amount of cache storage required.

            PR tree-optimization/102943
            * gimple-range-cache.cc (ranger_cache::range_from_dom): Find ra=
nge
via
            dominators and apply intermediary outgoing edge ranges.=