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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/101151] [11/12 Regression] ICE at -O1 and above on x86_64-linux-gnu: verify_ssa failed since r11-3705-gdae673abd37d4004
Date: Tue, 22 Jun 2021 10:10:08 +0000 [thread overview]
Message-ID: <bug-101151-4-GG3ruC54iU@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-101151-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101151
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:a2ef8395fa970498985764514044e5fd00f7d5c0
commit r12-1718-ga2ef8395fa970498985764514044e5fd00f7d5c0
Author: Richard Biener <rguenther@suse.de>
Date: Tue Jun 22 10:14:02 2021 +0200
tree-optimization/101151 - fix irreducible region check for sinking
The check whether two blocks are in the same irreducible region
and thus post-dominance checks being unreliable was incomplete
since an irreducible region can contain reducible sub-regions but
if one block is in the irreducible part and one not the check
still doesn't work as expected.
2021-06-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/101151
* tree-ssa-sink.c (statement_sink_location): Expand irreducible
region check.
* gcc.dg/torture/pr101151.c: New testcase.
next prev parent reply other threads:[~2021-06-22 10:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-21 14:40 [Bug tree-optimization/101151] New: ICE at -O1 and above on x86_64-linux-gnu: verify_ssa failed zhendong.su at inf dot ethz.ch
2021-06-22 6:28 ` [Bug tree-optimization/101151] [11/12 Regression] ICE at -O1 and above on x86_64-linux-gnu: verify_ssa failed since r11-3705-gdae673abd37d4004 marxin at gcc dot gnu.org
2021-06-22 6:50 ` rguenth at gcc dot gnu.org
2021-06-22 8:13 ` rguenth at gcc dot gnu.org
2021-06-22 10:10 ` cvs-commit at gcc dot gnu.org [this message]
2021-06-22 10:10 ` [Bug tree-optimization/101151] [11 " rguenth at gcc dot gnu.org
2021-06-25 9:06 ` cvs-commit at gcc dot gnu.org
2021-06-25 9:07 ` rguenth at gcc dot gnu.org
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