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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/104530] [12/13 Regression] Dead Code Elimination Regression at -O3 (trunk vs. 11.2.0)
Date: Tue, 08 Nov 2022 00:22:45 +0000 [thread overview]
Message-ID: <bug-104530-4-WdG60BqIfW@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-104530-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104530
--- Comment #7 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:c838119946c9f75f1e42f4320275355822cc86fc
commit r13-3765-gc838119946c9f75f1e42f4320275355822cc86fc
Author: Andrew MacLeod <amacleod@redhat.com>
Date: Mon Nov 7 15:07:35 2022 -0500
Add transitive inferred range processing.
Rewalk statements at the end of a block to see if any inferred ranges
affect earlier calculations and register those as inferred ranges.
gcc/
PR tree-optimization/104530
* gimple-range-cache.cc (ranger_cache::register_inferred_value):
New. Split from:
(ranger_cache::apply_inferred_ranges): Move setting cache to
separate function.
* gimple-range-cache.h (register_inferred_value): New prototype.
* gimple-range-infer.cc (infer_range_manager::has_range_p): New.
* gimple-range-infer.h (has_range_p): New prototype.
* gimple-range.cc (register_transitive_inferred_ranges): New.
* gimple-range.h (register_transitive_inferred_ranges): New proto.
* tree-vrp.cc (rvrp_folder::fold_stmt): Check for transitive
inferred
ranges at the end of the block before folding final stmt.
gcc/testsuite/
* gcc.dg/pr104530.c: New.
next prev parent reply other threads:[~2022-11-08 0:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-14 16:40 [Bug tree-optimization/104530] New: [12 " theodort at inf dot ethz.ch
2022-02-14 16:47 ` [Bug tree-optimization/104530] " jakub at gcc dot gnu.org
2022-02-15 23:14 ` amacleod at redhat dot com
2022-02-21 13:10 ` jakub at gcc dot gnu.org
2022-04-19 15:36 ` rguenth at gcc dot gnu.org
2022-05-06 8:32 ` [Bug tree-optimization/104530] [12/13 " jakub at gcc dot gnu.org
2022-11-08 0:22 ` cvs-commit at gcc dot gnu.org [this message]
2022-11-08 0:23 ` amacleod at redhat dot com
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