From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2004 invoked by alias); 26 Nov 2014 15:18:08 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 1820 invoked by uid 55); 26 Nov 2014 15:18:04 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/63738] [4.9/5 Regression] ssa corruption when compiled with -O3 Date: Wed, 26 Nov 2014 15:18:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-11/txt/msg03137.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63738 --- Comment #8 from Richard Biener --- Author: rguenth Date: Wed Nov 26 15:17:31 2014 New Revision: 218089 URL: https://gcc.gnu.org/viewcvs?rev=218089&root=gcc&view=rev Log: 2014-11-26 Richard Biener PR middle-end/63738 * tree-data-ref.c (split_constant_offset_1): Do not follow SSA edges for SSA names with SSA_NAME_OCCURS_IN_ABNORMAL_PHI. * gcc.dg/torture/pr63738.c: New testcase. Added: branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr63738.c Modified: branches/gcc-4_9-branch/gcc/ChangeLog branches/gcc-4_9-branch/gcc/testsuite/ChangeLog branches/gcc-4_9-branch/gcc/tree-data-ref.c