From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6EB193858407; Thu, 11 Jan 2024 01:08:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6EB193858407 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704935334; bh=ytf+iJ8YVBp5bPRDSUqy0XGqzolHH5mKoPsrO8XuWO4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oVd/9NB5XOFIdVSrbxRzDWjxFi20g9+fY3CiO0OkWxiFpqpWJ3+TuqkOE45bHcv6L APiC6CUmZ+dvaECVqn11QB6MxGNlu2L/GH/lPF/xf3cOncEzdZHXSwQy6PKtoN1Z1T y8ey45wuimMnC5RHTEYh0grcjfqCP08l2PcDyjmg= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/110941] [14 Regression] Dead Code Elimination Regression at -O3 since r14-2379-gc496d15954c Date: Thu, 11 Jan 2024 01:08:53 +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: missed-optimization 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: pinskia at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to bug_status 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=3D110941 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot = gnu.org Status|NEW |ASSIGNED --- Comment #5 from Andrew Pinski --- Will commit a testcase for this. r14-5109-ga291237b628f41 is definitely the fix for this based on my analysi= s in comment #2: > GCC 13: > Global Exported: _6 =3D [irange] unsigned int [0, 24] NONZERO 0x1e > trunk: > Global Exported: _6 =3D [irange] unsigned int [0, 24][+INF, +INF] MASK 0x= 1c VALUE 0x0 The removal of `[+INF, +INF]` here fixes the issue earlier=