From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28152 invoked by alias); 23 Oct 2012 20:34:07 -0000 Received: (qmail 27167 invoked by uid 55); 23 Oct 2012 20:33:53 -0000 From: "law at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/54985] [4.7/4.8 Regression] dom optimization erroneous remove conditional goto. Date: Tue, 23 Oct 2012 20:34:00 -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-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: law at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.3 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-10/txt/msg02103.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54985 --- Comment #7 from Jeffrey A. Law 2012-10-23 20:33:52 UTC --- Author: law Date: Tue Oct 23 20:33:49 2012 New Revision: 192745 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192745 Log: PR tree-optimization/54985 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function * extracted from thread_across_edge. (thread_across_edge): Use it in all cases where we might thread across a back edge. * gcc.c-torture/execute/pr54985.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr54985.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-threadedge.c