From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19056 invoked by alias); 30 Nov 2015 16:58:18 -0000 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 Received: (qmail 19045 invoked by uid 89); 30 Nov 2015 16:58:17 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Mon, 30 Nov 2015 16:58:16 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id E6375C0A15FF; Mon, 30 Nov 2015 16:58:14 +0000 (UTC) Received: from localhost.localdomain (ovpn-113-91.phx2.redhat.com [10.3.113.91]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id tAUGwExd010186; Mon, 30 Nov 2015 11:58:14 -0500 Subject: Re: [PATCH] Fix PR68067 To: Richard Biener , Alan Lawrence References: <563C817D.1060107@arm.com> <565871CF.6060409@arm.com> <56589E4B.1080405@arm.com> Cc: "gcc-patches@gcc.gnu.org" From: Jeff Law Message-ID: <565C8026.2090104@redhat.com> Date: Mon, 30 Nov 2015 17:01:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2015-11/txt/msg03506.txt.bz2 On 11/30/2015 01:42 AM, Richard Biener wrote: > Yeah. I've pondered with clearing the hashmap after each pass > (and hope no IPA pass would redirect edges). Or even more aggressive, > clear the hashmap as well when we do set_cfun (). > > Maybe you can try that? > > And no, I don't think any pass expects this stuff to be live across > passes. I'd argue that any pass that expects this stuff to be live across a pass is fundamentally broken. jeff