From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28778 invoked by alias); 20 Jun 2011 11:14:39 -0000 Received: (qmail 28770 invoked by uid 22791); 20 Jun 2011 11:14:38 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RFC_ABUSE_POST X-Spam-Check-By: sourceware.org Received: from mail-wy0-f175.google.com (HELO mail-wy0-f175.google.com) (74.125.82.175) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 20 Jun 2011 11:14:24 +0000 Received: by wyb34 with SMTP id 34so1396313wyb.20 for ; Mon, 20 Jun 2011 04:14:23 -0700 (PDT) MIME-Version: 1.0 Received: by 10.227.197.83 with SMTP id ej19mr4754724wbb.105.1308568463487; Mon, 20 Jun 2011 04:14:23 -0700 (PDT) Received: by 10.227.28.69 with HTTP; Mon, 20 Jun 2011 04:14:23 -0700 (PDT) In-Reply-To: <20110619125142.GA22865@kam.mff.cuni.cz> References: <20110611125552.GA25068@kam.mff.cuni.cz> <20110619124502.GA1199@kam.mff.cuni.cz> <20110619125142.GA22865@kam.mff.cuni.cz> Date: Mon, 20 Jun 2011 11:23:00 -0000 Message-ID: Subject: Re: Cgraph alias reorg 15/14 (New infrastructure for same body aliases) From: Richard Guenther To: Jan Hubicka Cc: Hans-Peter Nilsson , gcc-patches@gcc.gnu.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2011-06/txt/msg01444.txt.bz2 On Sun, Jun 19, 2011 at 2:51 PM, Jan Hubicka wrote: >> > On Sat, 11 Jun 2011, Jan Hubicka wrote: >> > >> > > Hi, >> > > this patch complettes the same body alias rework by removing the old= same body >> > > alias code and adding new representation. =A0Same body aliases are n= ow separate >> > > function nodes that have IPA_REF_ALIAS reference to the node they ar= e alias of. >> > > >> > > I am still getting one failure: >> > > FAIL: g++.dg/torture/pr43879-1_1.C >> > > >> > > It tests IPA PTA in presence of same body aliases. =A0I honestly hav= e no idea >> > > what is wrong there. =A0I decided to go ahead with the patch anyway,= given the >> > > current state of affair of aliases and IPA-PTA. Hope Richard will he= lp me >> > > fixing this on Monday. >> > >> > Still there, see again PR49373. =A0Anything better than a xfail in the= works? >> >> Yes, we discussed the problem with Richi and the issue is that ipa-pta g= ets >> confused by inliner redirecting edge from alias to the real inline clone. >> The proper fix is to teach passmanager to do small ipa passes before fin= al >> compilation. =A0I am currently at the GCC gathering, so I plan to implem= ent >> this day after tomorrow after returning. > But for sure we can xfail it. > (It was prevoiusly latent problem and richi did quicker fix but that just > uncovered another problems. Sorry for the delays here). If you xfail it please open a regression bugreport. Richard. > Honza >