From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR03-AM7-obe.outbound.protection.outlook.com (mail-am7eur03on2075.outbound.protection.outlook.com [40.107.105.75]) by sourceware.org (Postfix) with ESMTPS id 700A53858D32 for ; Mon, 11 Dec 2023 08:49:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 700A53858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=arm.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 700A53858D32 Authentication-Results: server2.sourceware.org; arc=pass smtp.remote-ip=40.107.105.75 ARC-Seal: i=3; a=rsa-sha256; d=sourceware.org; s=key; t=1702284572; cv=pass; b=KaC9R1rvpSo7PpK5wR8QggFgn0morq46C2iebXYExGoGJzp1C/AJmjEh976a7FFIM3GLfEzWw3Km1yP9SzIydebS5v32AzUlz/RsNHbPs/MwXcvzr9+jvCzVApjvWc53tb+fadYI77NFu0Emhcwt6Wf1i1MT8S5XU7gTP8O64K8= ARC-Message-Signature: i=3; a=rsa-sha256; d=sourceware.org; s=key; t=1702284572; c=relaxed/simple; bh=3bShpfvsK/WL4vQ88EgUKwDjTvqs8u0Jf9W6mTOnoiU=; h=DKIM-Signature:DKIM-Signature:From:To:Subject:Date:Message-ID: MIME-Version; b=WxFcDRNJachV3awF3pPyGVIMXoGO7SEMdfASdjcvWEi2F4BezKGaVNgeN0FFBUzw4eWmv7ZMZGUcla/fv5Yzbld2HDDAUXGcKDP39u737Noh7hmdi0xdo3VBVEqhiphPWzoyyL+wdNue78PMo10MHUER7kFUZ+ICJeV4Pdr53eo= ARC-Authentication-Results: i=3; server2.sourceware.org ARC-Seal: i=2; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=pass; b=Jn30XpULxoDE3KDgAFYQAmTW36/qTG7G6Lpj8Y5RUpCA8VNzKqXlnMV5AkQdxyMjOZdvFjHrWMd3cE398MBZPCECsc7G21JH7oa/pIcj5eV+hp/YDg/8fehzuBwIuHiiHFhTe4ipmjQtyHXU7HULNCuH9hhgOAuT638Pkawk0z5hsKVImMTSPHPq8FfTglnJfJnsvwvxWZCjNeVSA/lBBzYVazUsdCM/PfQqrxCIW9yt4/jHGUcWcalxzw90YT5due+LgCQhBg03OG354GYIEZwuyNTYNN5Blsm9Av0x0KM6rDrEzZLJN709hRrIqLZE66gu6xrmmVLWCpyDn1+peg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=MlqJBDG5Iyu2ynHWakFXyO6mZEyY8pABrHo+UJms0Hs=; b=QUELjf4q50F8Yr8zE7SkFZSWGIGw6MZj7yWutAc8WXb3d/3+9n8fAVblQHt2v/EXKo+TVeUp9usosnrj0C1G32XB6rqb0fGiz9dvC84+AhE+KuXAXnaPgg+ZFaSa9Q8y1eXFDmGyfbgB/6ncfjWYaP/P2uDonUooq3lHi6h8uC88LWP2jEF/7zEaij6oYY1N7XgT6hpUWtqajMATvVdzU/DwXoZ7cvS3Ul/gIpeACfYLrY6EXewFIr5iBptT4V18LPjTWB3u1JZfKr651FIoQ59+ldHQZyuTgx5x/28XzRpCRIjO1WfntppHOs3HMDrsMQD3lfAHAVYhnaXxSeCU3g== ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 63.35.35.123) smtp.rcpttodomain=gcc.gnu.org smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com; arc=pass (0 oda=1 ltdi=1 spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com] dmarc=[1,1,header.from=arm.com]) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MlqJBDG5Iyu2ynHWakFXyO6mZEyY8pABrHo+UJms0Hs=; b=uOY7/fF9HP8uinM/APSQ8dyI1NZHwOdnp7/TbadX56CMAPysW5k8sc3u6u5+p45UDkurLkza5Y0+Gs/0j8ybKSLSynIjz3NHivUp8mwJ+WNbIkKBbd0sEJNBkMFlIQk/w/SfiJGB13V4INte1XkrWtaryYzUKpOEvZyrrRx+aFU= Received: from AM6P193CA0043.EURP193.PROD.OUTLOOK.COM (2603:10a6:209:8e::20) by VI0PR08MB10391.eurprd08.prod.outlook.com (2603:10a6:800:20c::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7068.32; Mon, 11 Dec 2023 08:49:21 +0000 Received: from AM3PEPF0000A78D.eurprd04.prod.outlook.com (2603:10a6:209:8e:cafe::7c) by AM6P193CA0043.outlook.office365.com (2603:10a6:209:8e::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7068.32 via Frontend Transport; Mon, 11 Dec 2023 08:49:21 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; pr=C Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by AM3PEPF0000A78D.mail.protection.outlook.com (10.167.16.116) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7091.18 via Frontend Transport; Mon, 11 Dec 2023 08:49:21 +0000 Received: ("Tessian outbound 8289ea11ec17:v228"); Mon, 11 Dec 2023 08:49:21 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: 5102de7c125215a5 X-CR-MTA-TID: 64aa7808 Received: from d4648f4bb869.2 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 95BE4CB2-A973-49F1-8E44-51D70828594F.1; Mon, 11 Dec 2023 08:49:14 +0000 Received: from EUR02-AM0-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id d4648f4bb869.2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Mon, 11 Dec 2023 08:49:14 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=eMpnrZi3VRYl2LPoPLkSpPKIw8A+NV0wXY1jISogNOsjp4kRJ855XWBdbkQNm13Pp17bw63vhyYZuorluGFpPROaWabIC0Q5UTYYUdvtrBk+oupKXdc8uaa/xYAc3XaBl9sBAaLgAzMEQLgu1VlSxKhdHfBTGIJbLUegiwQsAdmjNsXvRTW4ts8m9llH1fyqA8z1DdyPXd3e1apfq3uQ2RKntwGv0BQCjmSpFDIDubJNLDmP54qmoCXXziuRjBEPQWIMt8Z0qH2bPzGOlUqViUHRyw8nLN1AetUa3ib38NqwbobYNN/+r2J21aEqKaApAxAPClhAk7p8lhOvGoDlSQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=MlqJBDG5Iyu2ynHWakFXyO6mZEyY8pABrHo+UJms0Hs=; b=iGoUrcXwKopRs6alNPHLJVxXw2fiyFJlcQLCQnFOKyHHeHi60SDQPdgW44Ep2uqEkTHZ9d65tBApGFDVtlOwx3pfIbHwUJyCPOgQdbWSV+vE5+5jmFagWZP4IclIncx0y+ajg7lApLjLRpCrOcjWyzrCkJn9pOn23KGbz7zIpElVTeruucoEZnEPeiQs1xUowVc6L2ySV57iKCAMcU7LOsai/QrfKkz0XnYPR8JIhVEPJuEbLm6sl9lQwT2IpCNEOtMfhqlj0axM4W19c0nCd7C1DGTWcsFu1PVFNWzJvzlseHLIp8GbJjBLoPIGAU7ZyVXYhfmrqnUuGmf8f/7zFg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MlqJBDG5Iyu2ynHWakFXyO6mZEyY8pABrHo+UJms0Hs=; b=uOY7/fF9HP8uinM/APSQ8dyI1NZHwOdnp7/TbadX56CMAPysW5k8sc3u6u5+p45UDkurLkza5Y0+Gs/0j8ybKSLSynIjz3NHivUp8mwJ+WNbIkKBbd0sEJNBkMFlIQk/w/SfiJGB13V4INte1XkrWtaryYzUKpOEvZyrrRx+aFU= Received: from VI1PR08MB5325.eurprd08.prod.outlook.com (2603:10a6:803:13e::17) by PAWPR08MB8958.eurprd08.prod.outlook.com (2603:10a6:102:33e::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7068.32; Mon, 11 Dec 2023 08:49:10 +0000 Received: from VI1PR08MB5325.eurprd08.prod.outlook.com ([fe80::9679:2ab0:99c6:54a3]) by VI1PR08MB5325.eurprd08.prod.outlook.com ([fe80::9679:2ab0:99c6:54a3%6]) with mapi id 15.20.7068.031; Mon, 11 Dec 2023 08:49:10 +0000 From: Tamar Christina To: Richard Biener , Richard Sandiford CC: "gcc-patches@gcc.gnu.org" , nd , "jlaw@ventanamicro.com" Subject: RE: [PATCH 15/21]middle-end: [RFC] conditionally support forcing final edge for debugging Thread-Topic: [PATCH 15/21]middle-end: [RFC] conditionally support forcing final edge for debugging Thread-Index: AQHaEISoaqB1/5GCUkOMWfMQZa9ndbCg9s3dgALyMgCAABMvAA== Date: Mon, 11 Dec 2023 08:49:10 +0000 Message-ID: References: <98348n1p-so0r-8n68-79rr-q4p16938501p@fhfr.qr> In-Reply-To: <98348n1p-so0r-8n68-79rr-q4p16938501p@fhfr.qr> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; x-ms-traffictypediagnostic: VI1PR08MB5325:EE_|PAWPR08MB8958:EE_|AM3PEPF0000A78D:EE_|VI0PR08MB10391:EE_ X-MS-Office365-Filtering-Correlation-Id: df07ea90-c702-4bb7-d289-08dbfa2611cc x-checkrecipientrouted: true nodisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: AiD+eKUfh7KYDemYzslfD/GyyaQA/6wo4yreRdvTbxkXuKyYW0RdPJnBetJAwH0/s1gJx5aavh9SjPSHTK6ASkI/HZxiMSzabfOCRO8EGkWK/Mv+MyRf7NqxSXgoqyb3h5j0mi9ihaDkrFpB9koPz/DB5MI3MlmcuqK3zFbcIXv56XFNnOTK4Ik8up5w7oG6k5RE+/RxJXKfM44IH6zyTG1U3ZAaPCsbz3hjP9ESYOOjr6LnTVBxc4uqQCapwSjV17VHGlFRYOO7VNx8HcjqyoK7bqc10mVLI8+QZOsElPqaSsmnCxC5qPGDJcYGSbgpOWHoFQZFMo3KvKHZWet0+pplzKZTVpGE4mSxvrI8El+yOclQETkxYHE+ej3qX4eOkFztJXt3wWKAD+siyo443i1xJCcPHHiKMmlJ39euokgc1aOYnMDuWVYqhKStxGHl30boyWWyHmseeNxOolLWRKOef5lXrzBWcNIAMnrbj07D6ix1vDw1qOVUCKHmTUstVv0WSTEhWaPAqEJScZHgtxrbdQ6bLZQ40o0ineIZ2n5NkSf75sO3xJJ+jCCBG5L+ZiO2bajbMsKx9/QjYkhAgFbKBcVDDLFtQYehr4wMwWn7wUa5KqM7AY23ZaoxQOyf X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR08MB5325.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(366004)(136003)(396003)(376002)(346002)(39860400002)(230922051799003)(451199024)(1800799012)(186009)(64100799003)(55016003)(26005)(38100700002)(33656002)(86362001)(38070700009)(122000001)(83380400001)(52536014)(5660300002)(53546011)(71200400001)(7696005)(6506007)(9686003)(76116006)(316002)(66556008)(110136005)(66946007)(8936002)(8676002)(66476007)(66446008)(64756008)(54906003)(6636002)(2906002)(41300700001)(4326008)(478600001);DIR:OUT;SFP:1101; Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR08MB8958 Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM3PEPF0000A78D.eurprd04.prod.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: caf5e5f1-2821-4d70-e52c-08dbfa260b2b X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:63.35.35.123;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:64aa7808-outbound-1.mta.getcheckrecipient.com;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;CAT:NONE;SFS:(13230031)(4636009)(136003)(346002)(396003)(39860400002)(376002)(230922051799003)(186009)(82310400011)(451199024)(1800799012)(64100799003)(46966006)(36840700001)(40470700004)(40480700001)(336012)(107886003)(26005)(40460700003)(81166007)(82740400003)(55016003)(33656002)(86362001)(356005)(47076005)(83380400001)(52536014)(5660300002)(53546011)(7696005)(6506007)(9686003)(36860700001)(70206006)(70586007)(110136005)(8936002)(8676002)(316002)(54906003)(6636002)(41300700001)(2906002)(478600001)(4326008);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Dec 2023 08:49:21.6769 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: df07ea90-c702-4bb7-d289-08dbfa2611cc X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM3PEPF0000A78D.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR08MB10391 X-Spam-Status: No, score=-6.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: > -----Original Message----- > From: Richard Biener > Sent: Monday, December 11, 2023 7:38 AM > To: Richard Sandiford > Cc: Tamar Christina ; gcc-patches@gcc.gnu.org; n= d > ; jlaw@ventanamicro.com > Subject: Re: [PATCH 15/21]middle-end: [RFC] conditionally support forcing= final > edge for debugging >=20 > On Sat, 9 Dec 2023, Richard Sandiford wrote: >=20 > > Tamar Christina writes: > > > Hi All, > > > > > > What do people think about having the ability to force only the latch= connected > > > exit as the exit as a param? I.e. what's in the patch but as a param. > > > > > > I found this useful when debugging large example failures as it tells= me where > > > I should be looking. No hard requirement but just figured I'd ask if= we should. > > > > If it's useful for that, then perhaps it would be worth making it a > > DEBUG_COUNTER instead of a --param, for easy bisection. >=20 > Or even better, make a debug counter that would skip the IV edge and > choose the "next". >=20 Ah, I'd never heard of debug counters. They look very useful! Did you mean everytime the counter is reached it picks the n-th successor? So If the counter is hit twice it picks the 3rd exit? Thanks, Tamar