From patchwork Tue May 17 15:20:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 54099 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 4A44E3858002 for ; Tue, 17 May 2022 15:20:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4A44E3858002 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1652800855; bh=gFK2OEAhj22aNKNKm3OW/oSx6Qh6GDP3PE4cLRtnbIg=; h=Date:To:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=R9ucRdfQ00LVEl3JO8M2X/jhvHIe6zbbmryWTM/ApnfFCOjx3tMAJeFzstc199ANs RsovhtZsTDjCbw3OM+ESqcOWGBJyP/e8s5R+taJejyENmH0Pt80HEIM/OIwisBeTPY Um8IbflQuKdGmLjXQGmqwZ6qVkWoDX6GIu8zOxHk= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by sourceware.org (Postfix) with ESMTPS id 987B93858C53 for ; Tue, 17 May 2022 15:20:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 987B93858C53 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 6CCF321CD2 for ; Tue, 17 May 2022 15:20:24 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 5002413AA2 for ; Tue, 17 May 2022 15:20:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id yp1fEji9g2IcbwAAMHmgww (envelope-from ) for ; Tue, 17 May 2022 15:20:24 +0000 Date: Tue, 17 May 2022 17:20:23 +0200 (CEST) To: gcc-patches@gcc.gnu.org Subject: [PATCH] Do not clear bb->aux in duplicate_loop_body_to_header_edge MIME-Version: 1.0 Message-Id: <20220517152024.5002413AA2@imap2.suse-dmz.suse.de> X-Spam-Status: No, score=-11.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Richard Biener via Gcc-patches From: Richard Biener Reply-To: Richard Biener Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" duplicate_loop_body_to_header_edge clears bb->aux which is not wanted by a new use in loop unswitching. The clearing was introduced with r0-69110-g6580ee7781f903 and it seems accidentially so. Bootstrapped on x86_64-unknown-linux-gnu, testing in progress. 2022-05-17 Richard Biener * cfgloopmanip.cc (duplicate_loop_body_to_header_edge): Do not clear bb->aux of the copied blocks. --- gcc/cfgloopmanip.cc | 1 - 1 file changed, 1 deletion(-) diff --git a/gcc/cfgloopmanip.cc b/gcc/cfgloopmanip.cc index b4357c03e86..7736e3ec709 100644 --- a/gcc/cfgloopmanip.cc +++ b/gcc/cfgloopmanip.cc @@ -1351,7 +1351,6 @@ duplicate_loop_body_to_header_edge (class loop *loop, edge e, unsigned j; bb = bbs[i]; - bb->aux = 0; auto_vec dom_bbs = get_dominated_by (CDI_DOMINATORS, bb); FOR_EACH_VEC_ELT (dom_bbs, j, dominated)