From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16072 invoked by alias); 13 Apr 2007 09:21:47 -0000 Received: (qmail 16042 invoked by alias); 13 Apr 2007 09:21:37 -0000 Date: Fri, 13 Apr 2007 09:21:00 -0000 Message-ID: <20070413092137.16041.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/21258] Teach VRP to pick up a constant from case label. In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2007-04/txt/msg00890.txt.bz2 ------- Comment #9 from rguenth at gcc dot gnu dot org 2007-04-13 10:21 ------- Subject: Bug 21258 Author: rguenth Date: Fri Apr 13 10:21:22 2007 New Revision: 123778 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123778 Log: 2007-04-13 Richard Guenther PR tree-optimization/21258 * tree-vrp.c (compare_case_labels): New helper. (find_switch_asserts): New function. (find_assert_locations): Call it for SWITCH_EXPRs. * gcc.dg/tree-ssa/vrp34.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21258