From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id F1E583835839; Fri, 22 Jul 2022 03:24:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F1E583835839 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/106397] New: [13 Regression] ICE in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 Date: Fri, 22 Jul 2022 03:24:04 +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: 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Jul 2022 03:24:05 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106397 Bug ID: 106397 Summary: [13 Regression] ICE in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 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: x86_64-pc-linux-gnu gcc 13.0.0 20220717 snapshot (g:7bcd7f47359b903bf7a193b95d4450d9d69c60ba) I= CEs when compiling the following testcase w/ -O3 -march=3Dk8-sse3 --param l2-cache-size=3D0 --param prefetch-latency=3D3: int bar (void) { /* No return statement. */ } __attribute__ ((simd)) int foo (void) { if (bar ()) return 0; __builtin_unreachable (); } % x86_64-pc-linux-gnu-gcc-13.0.0 -O3 -march=3Dk8-sse3 --param l2-cache-size= =3D0 --param prefetch-latency=3D3 -c q9jpcpot.c during GIMPLE pass: aprefetch q9jpcpot.c: In function 'foo.simdclone.7': q9jpcpot.c:8:1: internal compiler error: in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 8 | foo (void) | ^~~ 0x773567 check_loop_closed_ssa_def =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220717/work/gcc-13-20220717/gcc/tr= ee-ssa-loop-manip.cc:645 0x1063824 check_loop_closed_ssa_bb =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220717/work/gcc-13-20220717/gcc/tr= ee-ssa-loop-manip.cc:659 0x1064b86 verify_loop_closed_ssa(bool, loop*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220717/work/gcc-13-20220717/gcc/tr= ee-ssa-loop-manip.cc:695 0x1064b86 verify_loop_closed_ssa(bool, loop*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220717/work/gcc-13-20220717/gcc/tr= ee-ssa-loop-manip.cc:679 0xdf2b34 execute_function_todo =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220717/work/gcc-13-20220717/gcc/pa= sses.cc:2109 0xdf2f0c execute_todo =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220717/work/gcc-13-20220717/gcc/pa= sses.cc:2145=