From patchwork Sat Nov 12 01:47:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Jambor X-Patchwork-Id: 60471 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 74AEA395440D for ; Sat, 12 Nov 2022 01:48:15 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by sourceware.org (Postfix) with ESMTPS id 82A4E3899019 for ; Sat, 12 Nov 2022 01:47:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 82A4E3899019 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=suse.cz 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-out2.suse.de (Postfix) with ESMTPS id BD3681F45F; Sat, 12 Nov 2022 01:47:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1668217661; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type; bh=O74rV96i+0GTv+a/56rCjiq4422FpChwP+saC/m4dOo=; b=Xcwvj+RuPb2ZOcSF6PvAdQgLF+DnttHfOvVeg0tzKAbLE5N48Ca1yAQ4SKxTJRiE8ryLjJ xD6Ly8gzsaiMwdi4mk45lAiBKVeAsJxKaCjC0GerEGdhzgUqfoLloWtQb0XyFPRqYdBPeq GXpMjxzKQvBXv5XbQV3GEiOL9/Qv1fw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1668217661; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type; bh=O74rV96i+0GTv+a/56rCjiq4422FpChwP+saC/m4dOo=; b=KkFUxeJ/COUFSSvEUn8Yl3bvrfr5IGPHSqvTjRSXcXIwF1/N2mQhlFudFnpYI+tBshFCvQ ayPfjRuyalgjNPCA== 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 B005413A08; Sat, 12 Nov 2022 01:47:41 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 1l0KKz37bmPIZAAAMHmgww (envelope-from ); Sat, 12 Nov 2022 01:47:41 +0000 From: Martin Jambor To: GCC Patches Cc: Jan Hubicka , Jan Hubicka Subject: [PATCH 11/12] ipa-sra: Make scan_expr_access bail out on uninteresting expressions User-Agent: Notmuch/0.37 (https://notmuchmail.org) Emacs/28.1 (x86_64-suse-linux-gnu) Date: Sat, 12 Nov 2022 02:47:41 +0100 Message-ID: MIME-Version: 1.0 X-Spam-Status: No, score=-11.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_NONE, SPF_SOFTFAIL, TXREP 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: , Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Hi, I have noticed that scan_expr_access passes all the expressions it gets to get_ref_base_and_extent even when we are really only interested in memory accesses. So bail out when the expression is something clearly uninteresting. Bootstrapped and tested on x86_64-linux. OK for master? Thanks, Martin gcc/ChangeLog: 2021-12-14 Martin Jambor * ipa-sra.c (scan_expr_access): Bail out early if expr is something we clearly do not need to pass to get_ref_base_and_extent. --- gcc/ipa-sra.cc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/gcc/ipa-sra.cc b/gcc/ipa-sra.cc index 93fceeafc73..3646d71468c 100644 --- a/gcc/ipa-sra.cc +++ b/gcc/ipa-sra.cc @@ -1748,6 +1748,11 @@ scan_expr_access (tree expr, gimple *stmt, isra_scan_context ctx, || TREE_CODE (expr) == REALPART_EXPR) expr = TREE_OPERAND (expr, 0); + if (!handled_component_p (expr) + && !DECL_P (expr) + && TREE_CODE (expr) != MEM_REF) + return; + base = get_ref_base_and_extent (expr, &poffset, &psize, &pmax_size, &reverse); if (TREE_CODE (base) == MEM_REF)