From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 23F853858400; Wed, 1 Sep 2021 04:18:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 23F853858400 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102152] New: [12 Regression] ICE: tree check: expected ssa_name, have integer_cst in cprop_operand, at tree-ssa-dom.c:1715 Date: Wed, 01 Sep 2021 04:18:46 +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: 12.0 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: Wed, 01 Sep 2021 04:18:47 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102152 Bug ID: 102152 Summary: [12 Regression] ICE: tree check: expected ssa_name, have integer_cst in cprop_operand, at tree-ssa-dom.c:1715 Product: gcc Version: 12.0 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-12.0.0-alpha20210829 snapshot (g:c3c669ac811429033c0151f910b38fc009e21c= a8) ICEs when compiling the following testcase w/ -march=3Darmv8-a+sve -O1 -ftree-loop-vectorize -fno-tree-fre: signed char i; void foo (void) { for (i =3D 0; i < 6; i +=3D 5) ; } % aarch64-linux-gnu-gcc-12.0.0 -march=3Darmv8-a+sve -O1 -ftree-loop-vectori= ze -fno-tree-fre -c gye5eeyb.c during GIMPLE pass: dom gye5eeyb.c: In function 'foo': gye5eeyb.c:4:1: internal compiler error: tree check: expected ssa_name, have integer_cst in cprop_operand, at tree-ssa-dom.c:1715 4 | foo (void) | ^~~ 0x7e6522 tree_check_failed(tree_node const*, char const*, int, char const*, ...) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree.c:8688 0x7a5747 tree_check(tree_node*, char const*, int, char const*, tree_code) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree.h:3391 0x7a5747 cprop_operand =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree-ssa-dom.c:1715 0x7a5747 cprop_into_stmt =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree-ssa-dom.c:1792 0x7a5747 dom_opt_dom_walker::optimize_stmt(basic_block_def*, gimple_stmt_iterator*, bool*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree-ssa-dom.c:2002 0x105aef8 dom_opt_dom_walker::before_dom_children(basic_block_def*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree-ssa-dom.c:1430 0x1a17487 dom_walker::walk(basic_block_def*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/domwalk.c:309 0x10584ec execute =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20210829/work/gcc-= 12-20210829/gcc/tree-ssa-dom.c:764=