From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 121763858434; Fri, 1 Oct 2021 09:36:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 121763858434 From: "zhendong.su at inf dot ethz.ch" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102546] [12 Regregression] Missed Dead Code Elimination regression (trunk vs 11.2.0) at -O3 Date: Fri, 01 Oct 2021 09:36:42 +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: 12.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: zhendong.su at inf dot ethz.ch X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: aldyh at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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 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, 01 Oct 2021 09:36:43 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102546 --- Comment #7 from Zhendong Su --- (In reply to Aldy Hernandez from comment #6) > (In reply to Richard Biener from comment #4) > > I think it's similar to in the other PR, with old EVRP when visiting BB= 8 >=20 > BTW, which is this other PR, so I may see if my work for this PR fixes th= at > one? https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102540=