From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id ED96A3858D28; Sat, 9 Mar 2024 23:42:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org ED96A3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1710027738; bh=NTsUa2y4NWUIEpJ3jFMGsiHcuHk6rB/hgbOYvCM6U7U=; h=From:To:Subject:Date:In-Reply-To:References:From; b=KAz9xuT+exUvvId0zTnY6J12nA9bNM7PknHbkrHMhoc5KX2zYqyLqBW4parKdP+DD OmuFOxa7hhpAFmC3PXJ0PpY6jCul+9hACSF9BDIGwXRTrKtST3OPEjG2m2KeqEvqjp f+TAUn+ChDdFBmitBs/0aOJaNBIBSo1CeZS/1TsQ= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/56286] vectorizer does not keep loop-closed SSA up-to-date Date: Sat, 09 Mar 2024 23:42:17 +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: 4.8.0 X-Bugzilla-Keywords: compile-time-hog, FIXME, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: keywords cf_reconfirmed_on 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=3D56286 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |FIXME Last reconfirmed|2013-02-11 00:00:00 |2024-3-9 --- Comment #3 from Andrew Pinski --- The fixme is still there: /* If we vectorized any loop only virtual SSA form needs to be update= d. ??? Also while we try hard to update loop-closed SSA form we fail to properly do this in some corner-cases (see PR56286). */ rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa_only_virtuals); ret |=3D TODO_cleanup_cfg;=