From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 992743858C20; Mon, 15 Jan 2024 08:44:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 992743858C20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705308296; bh=dR7H7dsLCm+FR3F0lTxrgdq89d0XZ9rbeuA0kiT91Ws=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tkCS+bbwnJi8xgBs8TZVova2QxnwucGtxX4d9ot/qb/IcgeviItnxqunRYJJKRbH9 06tS1TsdAdNG78deYdMSBqK1gr4YT4T/3oc+/Bk2IsP5+PUr38Mm0fN9c6MPIosJmX +T3HHlGYPC8ivrupKrgHM9hwUDxo3Af8ZSp54ak0= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113374] [14 regression] ICE in find_uses_to_rename_use Date: Mon, 15 Jan 2024 08:44:48 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113374 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #6 from Jakub Jelinek --- Started to ICE with r14-7194-g6cb155a6cf314232248a12bdd395ed4151ae5a28 with pr113374.c: In function =E2=80=98void decode(vector)=E2=80=99: pr113374.c:7:6: error: PHI node with wrong VUSE on edge from BB 5 7 | void decode(struct vector vec) { | ^~~~~~ .MEM_115 =3D PHI <.MEM_7(5), .MEM_7(3)> expected .MEM_108 pr113374.c:7:6: error: multiple virtual PHI nodes in BB 11 .MEM_28 =3D PHI <.MEM_7(7)> .MEM_116 =3D PHI <.MEM_9(D)(7)> pr113374.c:7:6: error: PHI node with wrong VUSE on edge from BB 11 .MEM_30 =3D PHI <.MEM_116(11), .MEM_115(17)> expected .MEM_28 during GIMPLE pass: vect pr113374.c:7:6: internal compiler error: verify_ssa failed r14-7195-g411de96dbf2bdafc7a90ebbfc63e68afd6388d29 changes the ICE to during GIMPLE pass: vect pr113374.c: In function =E2=80=98void decode(vector)=E2=80=99: pr113374.c:7:6: internal compiler error: in as_a, at is-a.h:255 7 | void decode(struct vector vec) { | ^~~~~~ 0xa16d76 gphi* as_a(gimple*) ../../gcc/is-a.h:255 0x14b5428 slpeel_tree_duplicate_loop_to_edge_cfg(loop*, edge_def*, loop*, edge_def*, edge_def*, edge_def**, bool, vec*) ../../gcc/tree-vect-loop-manip.cc:1742 0x14ba302 vect_do_peeling(_loop_vec_info*, tree_node*, tree_node*, tree_nod= e**, tree_node**, tree_node**, int, bool, bool, tree_node**) ../../gcc/tree-vect-loop-manip.cc:3346 0x14a47ee vect_transform_loop(_loop_vec_info*, gimple*) ../../gcc/tree-vect-loop.cc:11924 and finally r14-7196-g99c0a540d6689ede068f9ba98af6f38c3cd71362 to during GIMPLE pass: vect pr113374.c: In function =E2=80=98void decode(vector)=E2=80=99: pr113374.c:7:6: internal compiler error: Segmentation fault 7 | void decode(struct vector vec) { | ^~~~~~ 0x1151dc6 crash_signal ../../gcc/toplev.cc:317 0x13485a9 find_uses_to_rename_use ../../gcc/tree-ssa-loop-manip.cc:414 0x1348884 find_uses_to_rename_bb ../../gcc/tree-ssa-loop-manip.cc:489 0x1348a6d find_uses_to_rename ../../gcc/tree-ssa-loop-manip.cc:521 which appears until latest trunk.=