From patchwork Mon Apr 30 10:15:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 906630 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-476972-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="Lao7Ji7P"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40ZL6Z1fLHz9s06 for ; Mon, 30 Apr 2018 20:16:19 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; q=dns; s= default; b=g4qXken4Kgyc+lhVavQJOjkB/H7lnp+VlWZ/4g1BQT3f960kkxvv1 1Ot6CIRwsfdb0JJPa5kDSTyd36p7ogJhH79ywagimvvQL67qOBEILFI2Wn30rOcW iIfQqmm4SUjkka1y7mMO79/H4/HI7hgzShF7V3EYvRdgDRItMCTgU8= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; s= default; bh=C6fGOLyJ4oCRGy5MlU9iXSLzKFY=; b=Lao7Ji7Pv53lnyVQb0e/ puUT5b/xCX97PvvkepKjXSHZvb9C1FBpg/XQmzKRwqBskUTLnZR5/1I+Gn7wkPE1 wQ322PmVoiFKcoWP2bGSSBx/3eZlb0MNnxpe1XqaUxZl044KzoDtHDV46Yb4SiUy fitlYeH6sfmxreN8FyUtC9c= Received: (qmail 36597 invoked by alias); 30 Apr 2018 10:16:11 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 36280 invoked by uid 89); 30 Apr 2018 10:15:32 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-11.1 required=5.0 tests=BAYES_00, GIT_PATCH_2, GIT_PATCH_3, KAM_ASCII_DIVIDERS, SPF_PASS, TIME_LIMIT_EXCEEDED autolearn=unavailable version=3.3.2 spammy= X-HELO: mx2.suse.de Received: from mx2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 30 Apr 2018 10:15:10 +0000 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 2BDD6ADDC for ; Mon, 30 Apr 2018 10:15:06 +0000 (UTC) Date: Mon, 30 Apr 2018 12:15:05 +0200 (CEST) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] More checking TLC Message-ID: User-Agent: Alpine 2.20 (LSU 67 2015-01-07) MIME-Version: 1.0 Bootstrapped on x86_64-unknown-linux-gnu, applied. Richard. 2018-04-30 Richard Biener * tree-chrec.h (evolution_function_is_constant_p): Remove redundant check. * tree-cfg.c (tree_node_can_be_shared): Re-order checks. Index: gcc/tree-chrec.h =================================================================== --- gcc/tree-chrec.h (revision 259755) +++ gcc/tree-chrec.h (working copy) @@ -170,8 +170,6 @@ evolution_function_is_constant_p (const_ if (chrec == NULL_TREE) return false; - if (CONSTANT_CLASS_P (chrec)) - return true; return is_gimple_min_invariant (chrec); } Index: gcc/tree-cfg.c =================================================================== --- gcc/tree-cfg.c (revision 259755) +++ gcc/tree-cfg.c (working copy) @@ -5212,16 +5028,13 @@ static bool tree_node_can_be_shared (tree t) { if (IS_TYPE_OR_DECL_P (t) - || is_gimple_min_invariant (t) || TREE_CODE (t) == SSA_NAME - || t == error_mark_node - || TREE_CODE (t) == IDENTIFIER_NODE) - return true; - - if (TREE_CODE (t) == CASE_LABEL_EXPR) + || TREE_CODE (t) == IDENTIFIER_NODE + || TREE_CODE (t) == CASE_LABEL_EXPR + || is_gimple_min_invariant (t)) return true; - if (DECL_P (t)) + if (t == error_mark_node) return true; return false;