From patchwork Thu Oct 29 22:59:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luc Van Oostenryck X-Patchwork-Id: 11867863 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 556AE157C for ; Thu, 29 Oct 2020 22:59:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BBF22076D for ; Thu, 29 Oct 2020 22:59:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="r46kzC38" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725768AbgJ2W7M (ORCPT ); Thu, 29 Oct 2020 18:59:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbgJ2W7M (ORCPT ); Thu, 29 Oct 2020 18:59:12 -0400 Received: from mail-ej1-x641.google.com (mail-ej1-x641.google.com [IPv6:2a00:1450:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 537C2C0613CF for ; Thu, 29 Oct 2020 15:59:12 -0700 (PDT) Received: by mail-ej1-x641.google.com with SMTP id p5so6091638ejj.2 for ; Thu, 29 Oct 2020 15:59:12 -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 :mime-version:content-transfer-encoding; bh=3P61tOKnoY6cdZ41IxNSoJvKedhYuMiWCEn8xHIGMAE=; b=r46kzC38knsHeDSFkfupuozjZujEWdw5vEMTDy638IIPMibuZvCwRiwKTeuEzR3lg/ Dil9X3430IwfZGB62VX9CWWVBRzOCyoMuwWiKUHtFgTO6rEDjomUGgHVXJOoDs0RzITq Mp0aW8lnEMhQkrzv8Ub8NRPbeZrRSzYqSL4mwkluIZRSIuxSbC9b5yqNNwxP8RRFxMdU f6kNBP61O41fBGo/h0dQb58W65XvAWTHpmqiG4se/GJoPgXjRGslUTZ7WllkPhPZXPyj rg/vlOTikvBTYzuddNjpP5ZebfINqhVR738QviUx41SSW3JFqJMJyzruaUerDdqlSgz3 ddbw== 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:mime-version:content-transfer-encoding; bh=3P61tOKnoY6cdZ41IxNSoJvKedhYuMiWCEn8xHIGMAE=; b=VZiTOeoot/BQGVaQAO3iwRokne+wfnl9PNAdxq6LojV4Lx5yjv0ZThJ4VRD8hVDeEm /h06r1aFheP1wq1ZZeetCxI6cNpH9UdI6jz5dVH0J952VGkUknAdrt3dOhDtfRwn5K67 OwMrbO8e9IMBXCJ/ItPJkrjxUWGq56MBoZ5pzUWyi0rSOJna8TBzee0rks1oV6kfbu4d 1Gd++yiPLYpVibu4D5qb0mgaqAFiEYQpQjyf5HEQMcJIyIGgQvwr+F/jRZZSnz5rUmY2 2WrKOP7VUFSQLmIcd/ehmEv8IUxoilvOi1eTCFgPC8D+YkV5AO8cwXZBFH84hRjaAObY DlTw== X-Gm-Message-State: AOAM53329TzBg5DTHE9YbZDJSpficP0uuo3TJvt37bKg0thFmrscU/an iVuDdW15XP6XvnVtFC3vq4zgfBtHGpk= X-Google-Smtp-Source: ABdhPJx6c5dCCNVHpdNpY13S+3f3iDSYvqlcyruF+swT0IxklEAVMzWWlVOsN0hmPD0PKAaRjCKtYg== X-Received: by 2002:a17:906:2b44:: with SMTP id b4mr6266400ejg.73.1604012350787; Thu, 29 Oct 2020 15:59:10 -0700 (PDT) Received: from localhost.localdomain ([2a02:a03f:b7fe:f700:d5b9:9762:e6d6:4f40]) by smtp.gmail.com with ESMTPSA id v21sm2175224edt.80.2020.10.29.15.59.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2020 15:59:10 -0700 (PDT) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Luc Van Oostenryck Subject: [PATCH 1/2] eval_insn: add testcases for incorrect type in OP_SET_* Date: Thu, 29 Oct 2020 23:59:04 +0100 Message-Id: <20201029225905.85037-2-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20201029225905.85037-1-luc.vanoostenryck@gmail.com> References: <20201029225905.85037-1-luc.vanoostenryck@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org Because of the lack of type information, compare instruction are not always handled correctly. So, add some testcases for this. Signed-off-by: Luc Van Oostenryck --- validation/optim/cmp-op-type.c | 18 ++++++++++++++++++ validation/optim/cmp-type0.c | 13 +++++++++++++ validation/optim/cmp-type1.c | 16 ++++++++++++++++ 3 files changed, 47 insertions(+) create mode 100644 validation/optim/cmp-op-type.c create mode 100644 validation/optim/cmp-type0.c create mode 100644 validation/optim/cmp-type1.c diff --git a/validation/optim/cmp-op-type.c b/validation/optim/cmp-op-type.c new file mode 100644 index 000000000000..037272f84465 --- /dev/null +++ b/validation/optim/cmp-op-type.c @@ -0,0 +1,18 @@ +extern int get(void); + +static int array[8192]; + +static int foo(void) +{ + int n = -1; + if (n < 0) + n = get(); + return array[n]; +} + +/* + * check-name: cmp-op-type + * check-command: test-linearize -Wno-decl $file + * + * check-output-ignore + */ diff --git a/validation/optim/cmp-type0.c b/validation/optim/cmp-type0.c new file mode 100644 index 000000000000..695d082b6aed --- /dev/null +++ b/validation/optim/cmp-type0.c @@ -0,0 +1,13 @@ +static int foo(long long a) +{ + return 0LL < (0x80000000LL + (a - a)); +} + +/* + * check-name: cmp-type0 + * check-command: test-linearize $file + * check-known-to-fail + * + * check-output-ignore + * check-output-contains: ret.*\\$1 + */ diff --git a/validation/optim/cmp-type1.c b/validation/optim/cmp-type1.c new file mode 100644 index 000000000000..2fb78a0bb86a --- /dev/null +++ b/validation/optim/cmp-type1.c @@ -0,0 +1,16 @@ +int foo(void) +{ + int r; + long n; + n = 0; + return n < 2147483648U; +} + +/* + * check-name: cmp-type1 + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * + * check-output-ignore + * check-output-contains: ret\\..*\\$1 + */