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GET /api/1.1/patches/2232322/?format=api
{ "id": 2232322, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2232322/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260504111517.506A24BAE7C2@sourceware.org/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<20260504111517.506A24BAE7C2@sourceware.org>", "date": "2026-05-04T11:14:49", "name": "middle-end/125156 - preserve edge flags in cleanup_control_expr_graph", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f4aba5d56369988e5368c955600eb3589d89dd2c", "submitter": { "id": 4338, "url": "http://patchwork.ozlabs.org/api/1.1/people/4338/?format=api", "name": "Richard Biener", "email": "rguenther@suse.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260504111517.506A24BAE7C2@sourceware.org/mbox/", "series": [ { "id": 502645, "url": "http://patchwork.ozlabs.org/api/1.1/series/502645/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=502645", "date": "2026-05-04T11:14:49", "name": "middle-end/125156 - preserve edge flags in cleanup_control_expr_graph", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502645/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2232322/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2232322/checks/", "tags": {}, "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=BkVZTuw6;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=Pgs2xMWO;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=BkVZTuw6;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=Pgs2xMWO;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777893289;\n h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version:\n content-type:content-type; bh=QQFVoI5FTS4Qt7YdSUEzJuqp1OELM/SWvEE+5eDfhBQ=;\n b=Pgs2xMWOHgrzEbHbgEoHR3cU/fUysRmQAne9bGZrYNcXuJUSM73ESrJ7AE/qFHXUeEUoXa\n u74s1X13j7qMiiBw==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1777893289;\n h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version:\n content-type:content-type; bh=QQFVoI5FTS4Qt7YdSUEzJuqp1OELM/SWvEE+5eDfhBQ=;\n b=BkVZTuw6NFuVvrJ7L2dE4Rhzg6pjKgjXjSCZg1Op92ndiNYpWa+XLjkpP1jbQeRMtDUQWd\n lHCH8oprUs5OmG/u910TmjSV2vosUtFh7RqVJQCS8RR4zRV8ExncKJQnkqbjckukzf57L4\n 7Jl+nTuNs9APS2I/SpAf+8jdKdYNwws=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1777893289;\n h=from:from:reply-to:date:date:to:to:cc:mime-version:mime-version:\n content-type:content-type; bh=QQFVoI5FTS4Qt7YdSUEzJuqp1OELM/SWvEE+5eDfhBQ=;\n b=Pgs2xMWOHgrzEbHbgEoHR3cU/fUysRmQAne9bGZrYNcXuJUSM73ESrJ7AE/qFHXUeEUoXa\n u74s1X13j7qMiiBw==" ], "Date": "Mon, 4 May 2026 13:14:49 +0200 (CEST)", "From": "Richard Biener <rguenther@suse.de>", "To": "gcc-patches@gcc.gnu.org", "Subject": "[PATCH] middle-end/125156 - preserve edge flags in\n cleanup_control_expr_graph", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=US-ASCII", "X-Spamd-Result": "default: False [-1.80 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n MISSING_MID(2.50)[]; NEURAL_HAM_LONG(-1.00)[-0.998];\n NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain];\n RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[];\n MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[];\n RCVD_COUNT_ZERO(0.00)[0];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n FROM_EQ_ENVFROM(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com];\n TO_DN_NONE(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[];\n DBL_BLOCKED_OPENRESOLVER(0.00)[tree-cfgcleanup.cc:url,\n murzim.nue2.suse.org:helo]", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org", "Message-Id": "<20260504111517.506A24BAE7C2@sourceware.org>" }, "content": "cleanup_control_expr_graph when setting EDGE_FALLTHRU cleared all\nexisting edge flags such as EDGE_IRREDUCIBLE_LOOP rather than\njust the no longer relevant EDGE_TRUE_VALUE and EDGE_FALSE_VALUE flags.\n\nBootstrapped and tested on x86_64-unknown-linux-gnu, pushed to trunk.\n\nRichard.\n\n\tPR middle-end/125156\n\t* tree-cfgcleanup.cc (cleanup_control_expr_graph): Clear\n\tEDGE_TRUE_VALUE and EDGE_FALSE_VALUE edge flags only.\n\n\t* gcc.dg/torture/pr125156.c: New testcase.\n---\n gcc/testsuite/gcc.dg/torture/pr125156.c | 26 +++++++++++++++++++++++++\n gcc/tree-cfgcleanup.cc | 3 ++-\n 2 files changed, 28 insertions(+), 1 deletion(-)\n create mode 100644 gcc/testsuite/gcc.dg/torture/pr125156.c", "diff": "diff --git a/gcc/testsuite/gcc.dg/torture/pr125156.c b/gcc/testsuite/gcc.dg/torture/pr125156.c\nnew file mode 100644\nindex 00000000000..bb232b1a436\n--- /dev/null\n+++ b/gcc/testsuite/gcc.dg/torture/pr125156.c\n@@ -0,0 +1,26 @@\n+/* { dg-do compile } */\n+\n+#include <stdint.h>\n+\n+int64_t g1, g8;\n+\n+void g14()\n+{\n+ int16_t v5;\n+ goto lbl_cont30;\n+lbl_bf2:\n+ g8 = 0;\n+lbl_b5:\n+ g1 = g1 - 8366249724514421075;\n+ switch (v5)\n+case 5:\n+case 2:\n+ goto lbl_b5;\n+ goto lbl_bf2;\n+lbl_cont30:\n+ switch (v5)\n+ {\n+ case 0: goto lbl_bf2;\n+ case 5: goto lbl_b5;\n+ }\n+}\ndiff --git a/gcc/tree-cfgcleanup.cc b/gcc/tree-cfgcleanup.cc\nindex 234b45a219f..85b9a3cedaa 100644\n--- a/gcc/tree-cfgcleanup.cc\n+++ b/gcc/tree-cfgcleanup.cc\n@@ -240,7 +240,8 @@ cleanup_control_expr_graph (basic_block bb, gimple_stmt_iterator gsi)\n \n bitmap_set_bit (cfgcleanup_altered_bbs, bb->index);\n gsi_remove (&gsi, true);\n- taken_edge->flags = EDGE_FALLTHRU;\n+ taken_edge->flags &= ~(EDGE_TRUE_VALUE|EDGE_FALSE_VALUE);\n+ taken_edge->flags |= EDGE_FALLTHRU;\n \n return retval;\n }\n", "prefixes": [] }