From patchwork Mon Mar 27 21:23:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luc Van Oostenryck X-Patchwork-Id: 9647501 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EDF3B601D7 for ; Mon, 27 Mar 2017 21:26:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DF51A2840E for ; Mon, 27 Mar 2017 21:26:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D41B428422; Mon, 27 Mar 2017 21:26:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7BC062840E for ; Mon, 27 Mar 2017 21:26:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752425AbdC0V0u (ORCPT ); Mon, 27 Mar 2017 17:26:50 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:34733 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752469AbdC0V0s (ORCPT ); Mon, 27 Mar 2017 17:26:48 -0400 Received: by mail-wr0-f195.google.com with SMTP id w43so14203437wrb.1 for ; Mon, 27 Mar 2017 14:26:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DQAY1Wjp/NNIBj3upKyDFwirt5MD8/APBdkCG9DfOls=; b=WlJguS9pIJXN2pmg7exAn9Z5Dhb5M2uYkjn4yMZxIH0uEk/H5dp8vYpY2W+VH3vGmY A4IeVU5A7TbNDSFMLnvgnav4TfLKbgyu+QqVPxJ31dgy0jNSturYvSQGVFwTAJxATquS 7T025M7lG6/tsAzVUjQXks6+bVYtwfBkL+LkV+IA7aLDP4rnHtsb/3xkcSq3ongCMScH sALrZNhL123rzWUDwLSEO6AkdVrT/SvoHfrq2Ry5xXhb1QmgCFfrU6pupqz/6olhJCfJ 2q/7WSf2IGOeaF1zRH/R1/Y6rUUUlRwtOXpgITRLxQlgCW5tXAes/zGoDMiJ/UvtReFp HJrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DQAY1Wjp/NNIBj3upKyDFwirt5MD8/APBdkCG9DfOls=; b=NoNYUtKomrB7tSSVJJl0MOxAQWigtYYylGWwdyLBg0SIRxyrFxJjEOHxR/7WbXSP96 YNiEgsxg2bLmBRbC6klf1nRx5vIk3ezM/l7QLykJtyqqfQN0ZixT/+X6U8lVMg3OcoKL EFQwehxZlqHQIQfccZoDIXNaYHweq0FK1DBUQoJ+zZL5LgdrlyReRPadDQqFesbX1i/y qBcKWKdYGoLkF5MZXO2ABC85g68yPLhRMv9fZgbXLXyjMb/imVrY3SKZ2WVI1W7enlFC 6vUWzmYJKhKWnXKiIODA9GHzo5rGInrMhwJ/kqBUrVzj82pG/s1W1mdDdJzhlOQlGKWZ jA2A== X-Gm-Message-State: AFeK/H1ooIswpXJJv+gP7Hz+5shtV898uthl7NSw4ivZk9gGoK+JqAuQzESH7i4Vtf19pg== X-Received: by 10.28.137.208 with SMTP id l199mr10974430wmd.65.1490650001292; Mon, 27 Mar 2017 14:26:41 -0700 (PDT) Received: from localhost.localdomain ([2a02:a03f:802:b00:496:ae63:aebb:a034]) by smtp.gmail.com with ESMTPSA id k203sm973767wmk.4.2017.03.27.14.26.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Mar 2017 14:26:40 -0700 (PDT) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Christopher Li , Luc Van Oostenryck Subject: [PATCH v6 17/52] llvm: add test cases for arrays passed as argument Date: Mon, 27 Mar 2017 23:23:41 +0200 Message-Id: <20170327212416.18536-18-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170327212416.18536-1-luc.vanoostenryck@gmail.com> References: <20170327212416.18536-1-luc.vanoostenryck@gmail.com> Sender: linux-sparse-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Luc Van Oostenryck --- validation/backend/function-ptr.c | 148 +++++++++++++++++++++++++++++++++++++- 1 file changed, 145 insertions(+), 3 deletions(-) diff --git a/validation/backend/function-ptr.c b/validation/backend/function-ptr.c index fc022b3cd..47e85deab 100644 --- a/validation/backend/function-ptr.c +++ b/validation/backend/function-ptr.c @@ -1,8 +1,150 @@ -typedef int (*fn_t)(int x, int y); +extern int ival; +extern int *ipval; +extern int array[3]; +extern int matrix[3][3]; +extern int fun(int); -static int run(fn_t fn, int x, int y) +// via an argument +void arg(int a, int *p, int (*fb)(unsigned char), int (*fi)(int), int (*fl)(long), int (*fv)(void), int (*fip)(int *), int (*fim)(int (*)[3]), int (*fvp)(void *), int (*ffp)(int (*)(int))); +void arg(int a, int *p, int (*fb)(unsigned char), int (*fi)(int), int (*fl)(long), int (*fv)(void), int (*fip)(int *), int (*fim)(int (*)[3]), int (*fvp)(void *), int (*ffp)(int (*)(int))) { - return fn(x, y); + fv(); + + fb(a); + fi(a); + fl(a); + fb(123); + fi(123); + fl(123); + fb(123L); + fi(123L); + fl(123L); + fb(ival); + fi(ival); + fl(ival); + + fip(p); + fip((void*)0); + fip(ipval); + fip(&ival); + fip(array); + fim(matrix); + + fvp(p); + fvp((void*)0); + fvp(ipval); + fvp(&ival); + fvp(array); + fvp(matrix); + + fvp(fun); + fvp(&fun); + ffp(fun); + ffp(&fun); +} + +// a global +extern int (*fb)(unsigned char); +extern int (*fi)(int); +extern int (*fl)(long); +extern int (*fv)(void); +extern int (*fip)(int *); +extern int (*fim)(int (*)[3]); +extern int (*fvp)(void *); +extern int (*ffp)(int (*)(int)); + +void glb(int a, int *p); +void glb(int a, int *p) +{ + fv(); + + fb(a); + fi(a); + fl(a); + fb(123); + fi(123); + fl(123); + fb(123L); + fi(123L); + fl(123L); + fb(ival); + fi(ival); + fl(ival); + + fip(p); + fip((void*)0); + fip(ipval); + fip(&ival); + fip(array); + fim(matrix); + + fvp(p); + fvp((void*)0); + fvp(ipval); + fvp(&ival); + fvp(array); + fvp(matrix); + + fvp(fun); + fvp(&fun); + ffp(fun); + ffp(&fun); +} + +// via a struct member: +// -> force to create a register containing the function pointer +struct ops { + int (*fb)(unsigned char); + int (*fi)(int); + int (*fl)(long); + int (*fv)(void); + int (*fip)(int *); + int (*fim)(int (*)[3]); + int (*fvp)(void *); + int (*ffp)(int (*)(int)); + + int (*const cfi)(int); // for the fun of it +}; + +void ops(int a, int *p, struct ops *ops); +void ops(int a, int *p, struct ops *ops) +{ + ops->fv(); + + ops->fb(a); + ops->fi(a); + ops->fl(a); + ops->fb(123); + ops->fi(123); + ops->fl(123); + ops->fb(123L); + ops->fi(123L); + ops->fl(123L); + ops->fb(ival); + ops->fi(ival); + ops->fl(ival); + + ops->fip(p); + ops->fip((void*)0); + ops->fip(ipval); + ops->fip(&ival); + ops->fip(array); + ops->fim(matrix); + + ops->fvp(p); + ops->fvp((void*)0); + ops->fvp(ipval); + ops->fvp(&ival); + ops->fvp(array); + ops->fvp(matrix); + + ops->fvp(fun); + ops->fvp(&fun); + ops->ffp(fun); + ops->ffp(&fun); + ops->fvp(fi); + + ops->cfi(42); } /*