From patchwork Mon Nov 8 11:05:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prathamesh Kulkarni X-Patchwork-Id: 47210 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 21177385800F for ; Mon, 8 Nov 2021 11:06:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 21177385800F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1636369570; bh=LLP62wikYKNJx422vX3hQDiUo2sbyWQGNpqulGej9Uk=; h=Date:Subject:To:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=hoBH3HhpO7w5NAlZN7NOc/N/gcYpNNiTaAeYYZaSgH+KfFlIdzp4mTke6P7IZ3I65 66r+zkJut6a61YW2zdnfuz4UPViE+uW95zIBlpml+FIfl49W8xMqi1DQq2LOl0TM2U 6pvbjKurBJa6x+tkQUoT4DDwUjdn+BQY8WQD5lbY= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by sourceware.org (Postfix) with ESMTPS id 9245D3858401 for ; Mon, 8 Nov 2021 11:05:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 9245D3858401 Received: by mail-ed1-x52b.google.com with SMTP id g14so60216472edz.2 for ; Mon, 08 Nov 2021 03:05:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=LLP62wikYKNJx422vX3hQDiUo2sbyWQGNpqulGej9Uk=; b=BNpTVVVKPBXJHVnj+nHgHz5PjsgRhIOt5n0jsQFlrwJZ2pr2lGNGoLJ6aggY6DX4Hz GLvxQQM5FsDH7GOOVxD4wCWIyoRYDafmSJyQVHFQg1X3sVFHBkCE5LrIDxmV1k/uCyyf umCTDkH67bOZbxHcjuwphkCOvgwlFTMBLdCd1r42LlAK2pC1ABmFtnaBEYc+JKP5OjnV Sf+9ng0RQ6UIRkzb01rXN5cCj3qQXyo/QAiHZ/rxnR6X2Ze0ajMqsV6c3AIvXa7WIRbY TX6qiWPB87jTIeeeX53Yf1KAMo/hXAqrMFwGfc1hxB35yrOYd8TpV2rqpCPxAzbK5X4U 0zTQ== X-Gm-Message-State: AOAM532GopQmgMU+bAfjIoSNWc0H5awUawGvnGVay+BnyuByK8wNGOlH HQ4jzWWfk/lGds2/6C/JVbkN8xg0TRGf87W6PjkfUITPw/IR6A== X-Google-Smtp-Source: ABdhPJx+wGIerwj9Xz9WKobKsY1Mr71LYtvud0RGaJ6MPp/ETfC3b86rp1So9eAji7ruIQ7WevsIrx5YsvCTvZ3/16o= X-Received: by 2002:a05:6402:5190:: with SMTP id q16mr68158123edd.12.1636369539290; Mon, 08 Nov 2021 03:05:39 -0800 (PST) MIME-Version: 1.0 Date: Mon, 8 Nov 2021 16:35:04 +0530 Message-ID: Subject: [tree-ssa-loop] Remove redundant check for number of loops in pass_vectorize::execute To: gcc Patches X-Spam-Status: No, score=-8.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Prathamesh Kulkarni via Gcc-patches From: Prathamesh Kulkarni Reply-To: Prathamesh Kulkarni Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Hi, The attached patch removes redundant check for number of loops in pass_vectorize::execute, since it only calls vectorize_loops, and in vectorize_loops, we immediately bail out if no loops are present: vect_loops_num = number_of_loops (cfun); /* Bail out if there are no loops. */ if (vect_loops_num <= 1) return 0; Is the patch OK to commit ? Thanks, Prathamesh diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c index 1bbf2f1fb2c..d10e2dc0d54 100644 --- a/gcc/tree-ssa-loop.c +++ b/gcc/tree-ssa-loop.c @@ -407,9 +407,6 @@ public: unsigned int pass_vectorize::execute (function *fun) { - if (number_of_loops (fun) <= 1) - return 0; - return vectorize_loops (); }