From patchwork Fri Jan 8 17:56:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Jambor X-Patchwork-Id: 1423921 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=gcc-patches-bounces@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.cz Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DC9l80vHWz9sW4 for ; Sat, 9 Jan 2021 04:56:17 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id F1B5A3982432; Fri, 8 Jan 2021 17:56:14 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by sourceware.org (Postfix) with ESMTPS id B20CE3982407 for ; Fri, 8 Jan 2021 17:56:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org B20CE3982407 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mjambor@suse.cz X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A3E5DACC6 for ; Fri, 8 Jan 2021 17:56:11 +0000 (UTC) From: Martin Jambor To: GCC Patches Subject: [PATCH] Testcase for old PR 47059 User-Agent: Notmuch/0.31.2 (https://notmuchmail.org) Emacs/27.1 (x86_64-suse-linux-gnu) Date: Fri, 08 Jan 2021 18:56:11 +0100 Message-ID: MIME-Version: 1.0 X-Spam-Status: No, score=-3038.8 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_NUMSUBJECT, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) 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@gcc.gnu.org Sender: "Gcc-patches" Hi, I stumbled across PR 47059 from 2010 which has been addressed by store-merging. I am going to close it but would like to add its testcase too. OK for trunk? Thanks, Martin gcc/testsuite/ChangeLog: 2021-01-08 Martin Jambor PR tree-optimization/47059 * gcc.dg/tree-ssa/pr47059.c: New test. --- gcc/testsuite/gcc.dg/tree-ssa/pr47059.c | 45 +++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/pr47059.c diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c b/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c new file mode 100644 index 00000000000..9f9c61aa213 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c @@ -0,0 +1,45 @@ +/* { dg-do compile } */ +/* { dg-options "-Os -fdump-tree-optimized" } */ + + +struct struct1 +{ + void *data; + unsigned short f1; + unsigned short f2; +}; +typedef struct struct1 S1; + +struct struct2 +{ + int f3; + S1 f4; +}; +typedef struct struct2 S2; + + +extern void foo (S1 *ptr); +extern S2 gstruct2_var; +extern S1 gstruct1_var; + +static inline S1 bar (const S1 *ptr) __attribute__ ((always_inline)); + +static inline S1 +bar (const S1 *ptr) +{ + S1 ls_var = *ptr; + foo (&ls_var); + return ls_var; +} + +int +main () +{ + S2 *ps_var; + + ps_var = &gstruct2_var; + ps_var->f4 = bar (&gstruct1_var); + + return 0; +} +/* { dg-final { scan-tree-dump-times "short unsigned int\[^*\]*;" 0 "optimized"} } */