From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 3DFDC3858403; Mon, 25 Jul 2022 08:12:04 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3DFDC3858403
From: "asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/106433] New: [13 Regression] ICE in
 vect_transform_loops, at tree-vectorizer.cc:1032
Date: Mon, 25 Jul 2022 08:12:04 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: asolokha at gmx dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status
 keywords bug_severity priority component assigned_to reporter
 target_milestone cf_gcctarget
Message-ID: <bug-106433-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Mon, 25 Jul 2022 08:12:04 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106433

            Bug ID: 106433
           Summary: [13 Regression] ICE in vect_transform_loops, at
                    tree-vectorizer.cc:1032
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: aarch64-linux-gnu

gcc 13.0.0 20220724 snapshot (g:8b8103dcd2624936bd1f56ac2ee63d1fb779a7e4) I=
CEs
when compiling the following testcase w/ -march=3Darmv8-a+sve -O1:

int n;

int
quux ()
{
  return n;
}

__attribute__ ((simd)) int
bar (int x)
{
  if (quux () !=3D quux (0))
    n =3D 0;

  return quux ();
}

__attribute__ ((simd)) int
foo (void)
{
  return bar (0);
}

% aarch64-linux-gnu-gcc-13.0.0 -march=3Darmv8-a+sve -O1 -c x83c1h7f.c
during GIMPLE pass: vect
x83c1h7f.c: In function 'foo.simdclone.0':
x83c1h7f.c:19:1: internal compiler error: in vect_transform_loops, at
tree-vectorizer.cc:1032
   19 | foo (void)
      | ^~~
0x7d0332 vect_transform_loops
=20=20=20=20=20=20=20
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220724/work/gcc-13-2=
0220724/gcc/tree-vectorizer.cc:1032
0x11f9f73 try_vectorize_loop_1
=20=20=20=20=20=20=20
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220724/work/gcc-13-2=
0220724/gcc/tree-vectorizer.cc:1153
0x11f9f73 try_vectorize_loop
=20=20=20=20=20=20=20
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220724/work/gcc-13-2=
0220724/gcc/tree-vectorizer.cc:1183
0x11fa534 execute
=20=20=20=20=20=20=20
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220724/work/gcc-13-2=
0220724/gcc/tree-vectorizer.cc:1299=