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GET /api/patches/812854/?format=api
{ "id": 812854, "url": "http://patchwork.ozlabs.org/api/patches/812854/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/alpine.LSU.2.20.1709121546240.26836@zhemvz.fhfr.qr/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<alpine.LSU.2.20.1709121546240.26836@zhemvz.fhfr.qr>", "list_archive_url": null, "date": "2017-09-12T13:47:36", "name": "Fix PR82157", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f670aea825c12b3cf62840206813a848c888bb8d", "submitter": { "id": 4338, "url": "http://patchwork.ozlabs.org/api/people/4338/?format=api", "name": "Richard Biener", "email": "rguenther@suse.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/alpine.LSU.2.20.1709121546240.26836@zhemvz.fhfr.qr/mbox/", "series": [ { "id": 2706, "url": "http://patchwork.ozlabs.org/api/series/2706/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=2706", "date": "2017-09-12T13:47:36", "name": "Fix PR82157", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/2706/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/812854/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/812854/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-return-461921-incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-461921-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"MUo2VKy+\"; dkim-atps=neutral", "sourceware.org; auth=none" ], "Received": [ "from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xs5hf4ZrVz9s5L\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 12 Sep 2017 23:47:46 +1000 (AEST)", "(qmail 33501 invoked by alias); 12 Sep 2017 13:47:40 -0000", "(qmail 33483 invoked by uid 89); 12 Sep 2017 13:47:39 -0000", "from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by\n\tsourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP;\n\tTue, 12 Sep 2017 13:47:38 +0000", "from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254])\tby\n\tmx1.suse.de (Postfix) with ESMTP id 333E8AB43\tfor\n\t<gcc-patches@gcc.gnu.org>; Tue, 12 Sep 2017 13:47:36 +0000 (UTC)" ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:date\n\t:from:to:subject:message-id:mime-version:content-type; q=dns; s=\n\tdefault; b=qXhGaNnaNC+CzMNjMm63jBfGai8gXfKvuB96BpOKK3jWVgHWz+e9B\n\tl2ZwePWOFqI3U+cM0h6DDciITULbWAtydaAwDGE4k2XOWCO47jo/jp/KFsQZ7Ujl\n\tIFnTkx1WUHNK9zEfI7mnwzlRYiRorsnX+yMwCf1sdDwMMFp61ZpzoA=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender:date\n\t:from:to:subject:message-id:mime-version:content-type; s=\n\tdefault; bh=i49v8CpI4FWXVvjsXGYtc693m0k=; b=MUo2VKy+IPWpE1o0x9Bp\n\trBLbAGd8fBgt7cWKSAKIWznB5Qiaxy+xQ1DmxeGSwTeGHY3FDBLb9DLDU6jKxU0V\n\tKn/YcE/OM7igX7JXAmVu2zNHOEPFuTbz0Wgt6eBAKolbHVBflQQRCeAQDcQtLVz4\n\tQ9VwnlhtII/p0EuWhHtqF3c=", "Mailing-List": "contact gcc-patches-help@gcc.gnu.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<mailto:gcc-patches-unsubscribe-incoming=patchwork.ozlabs.org@gcc.gnu.org>", "List-Archive": "<http://gcc.gnu.org/ml/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-help@gcc.gnu.org>", "Sender": "gcc-patches-owner@gcc.gnu.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-11.1 required=5.0 tests=BAYES_00, GIT_PATCH_2,\n\tGIT_PATCH_3, KAM_ASCII_DIVIDERS, RP_MATCHES_RCVD,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:1557", "X-HELO": "mx1.suse.de", "Date": "Tue, 12 Sep 2017 15:47:36 +0200 (CEST)", "From": "Richard Biener <rguenther@suse.de>", "To": "gcc-patches@gcc.gnu.org", "Subject": "[PATCH] Fix PR82157", "Message-ID": "<alpine.LSU.2.20.1709121546240.26836@zhemvz.fhfr.qr>", "User-Agent": "Alpine 2.20 (LSU 67 2015-01-07)", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=US-ASCII" }, "content": "The following fixes a latent issue in fold_stmt uncovered by\nPRE re-org. We muck with the gsi in inapprorpate ways.\n\nBootstrapped on x86_64-unknown-linux-gnu, testing in progress.\n\nRichard.\n\n2017-09-12 Richard Biener <rguenther@suse.de>\n\n\tPR tree-optimization/82157\n\t* tree-ssa-pre.c (remove_dead_inserted_code): Do not remove\n\tstmts with side-effects.\n\n\t* gcc.dg/torture/pr82157.c: New testcase.", "diff": "Index: gcc/tree-ssa-pre.c\n===================================================================\n--- gcc/tree-ssa-pre.c\t(revision 252002)\n+++ gcc/tree-ssa-pre.c\t(working copy)\n@@ -4913,6 +4964,8 @@ remove_dead_inserted_code (void)\n \tcontinue;\n \n gimple *t = SSA_NAME_DEF_STMT (def);\n+ if (gimple_has_side_effects (t))\n+\tcontinue;\n \n /* Add uses to the worklist. */\n ssa_op_iter iter;\nIndex: gcc/testsuite/gcc.dg/torture/pr82157.c\n===================================================================\n--- gcc/testsuite/gcc.dg/torture/pr82157.c\t(nonexistent)\n+++ gcc/testsuite/gcc.dg/torture/pr82157.c\t(working copy)\n@@ -0,0 +1,43 @@\n+/* { dg-do compile } */\n+\n+int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z;\n+\n+int aa ()\n+{ \n+ w = f < 0 || e >> f;\n+ while (z)\n+ h = i && (r && p) | ((l = p) == c % d);\n+ k = v + 1 < a;\n+ t = -(j < 1) * q;\n+ return u;\n+}\n+\n+int ab ()\n+{ \n+ for (j = 0; 1; j = 5)\n+ if (!s)\n+ return d;\n+}\n+\n+void ac ()\n+{ \n+ char ad = aa ();\n+ ab ();\n+ if (x)\n+ { \n+ for (m = 0; m < 3; m = a)\n+\t{ \n+\t y = a && b;\n+\t if (g)\n+\t break;\n+\t}\n+ n = j;\n+ }\n+ o = j & ad;\n+}\n+\n+int main ()\n+{ \n+ ac ();\n+ return 0;\n+}\n", "prefixes": [] }