From patchwork Tue Oct 17 11:27:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 154125 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4073952vqb; Tue, 17 Oct 2023 04:48:37 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF0fQQtDDTLToQ6qRZhoaCorlO/R8c7zHq83QzC2IgDwIi4rKQ19ZjWZsUCI1S8Yuo72pVv X-Received: by 2002:a05:620a:2911:b0:773:e380:b364 with SMTP id m17-20020a05620a291100b00773e380b364mr2366268qkp.69.1697543316614; Tue, 17 Oct 2023 04:48:36 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697543316; cv=pass; d=google.com; s=arc-20160816; b=Q3KsTFGxKT+Owm+0BhhNRA9yKsijtsQZ1Yqp29RMX+ldukioZMUUXogThLfvfOzNOH tSPWkEKD9/anwusmoAr/+0NwyZpFaUh3me6ZcoBvTfyFOF+7qohWw4Ix+pVDSg6FuCOH Ip1SIadMii34CO0ZRtCu7U9hUijCFTnnR8aZmwnTpPiPKT8PCrwLsmU4Ne/GTB9HpgsW bpnp06Qp4ETnLk4Glwa9ZUZnQ14asaw0yrKM3TaBcaLZSm8N33FlQwkCjwE4ImjfmCjl cfJBuFFWBqDSqSlvTYvWjMka8kcnSNO9qkKxm93kaLJjFpB4oG/MY4U5QzsTv3AhN/hm 5f7w== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:arc-filter:dmarc-filter:delivered-to:dkim-signature :dkim-filter; bh=5c03BG+ACUU26yDpXw013AaVrGf0ODAIozIbkRY2mw0=; fh=kSSy/oyUXqQD15FLeKdymIgDBFPFITPA1Gj52CNOxRQ=; b=uosh8hrGyaI7nLxhDYS6eK+1XFRNrBg/cDu/GZ9djZU7o9ZEFcOGZzgyWQLZL9gkIl lky+nhs2DmIQAXbFTuKe+qC31cknW17I07BNuSi9DhMfEZ4XGUnkPEG4RVkd1Vvh18wv eebKT5aW2lcRUI2AFKXQVu216SvdGBf+Gc/YquS2ezBl6McqzjZpHGpxa1CVgB4obsMm Uxpk5kct/tm2wRW+DLub9VQexMeuqvDQjuKbxjzXdBAdROLqEXe4PkVr1QF01t/Sj0XJ b21PT3DU/fNIYS8AZn/XWVhz5W9zOfle6dXJMbd+G+LZo4uG9+eLgJ2m0Nam/PyuEaRB he7w== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=uAYke12l; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (server2.sourceware.org. [2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id ts12-20020a05620a3d8c00b0076f03e58b62si883381qkn.147.2023.10.17.04.48.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 04:48:36 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=uAYke12l; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id C9BC5394D8F8 for ; Tue, 17 Oct 2023 11:47:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C9BC5394D8F8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1697543231; bh=5c03BG+ACUU26yDpXw013AaVrGf0ODAIozIbkRY2mw0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=uAYke12lY1Z2ipZcPfjmG3AJ6oA92oi4ebCbQDEF+yN6nTRTqLXjVVo50+B4k4FQl oFEQ6ej6f84ifovmjAYmrk6Ph+WzNRGzULdx441oOsYPP92EP0Pg9P9xUGABGrqjZf 4WB3ilkvaWvsBJ7kgwBmeM94elRx5D+3Aov+ZVDg= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0b-00641c01.pphosted.com (mx0b-00641c01.pphosted.com [205.220.177.146]) by sourceware.org (Postfix) with ESMTPS id CB79C3857352; Tue, 17 Oct 2023 11:36:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org CB79C3857352 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gcc.gnu.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=gcc.gnu.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org CB79C3857352 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.177.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697542564; cv=none; b=sq7p5MNCS5/BiUzzFkpHjrbKiCvz2Q9x5rLTQDKJaBlhmzY2nv/Dn4+nJXwTQfcbzL1/XXDqxucAACqibdWM1O6rtxDo3CUKC0oXpdk1/XcfxV91YJaThqGcYeQ+ktof/yJx4CdSgzFC+/9YGrfSOpTEohKxcM1GY6nruL9r7aQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697542564; c=relaxed/simple; bh=C0qcTRTV/TeuNZg0DDmxzdyb6y2iW6hZf2AYLVPf/ps=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=ScLV0oGg6SWjMa+6MZP8BtwDF2AQ4XSsShUkH6ISh9Kge8g60BMY0p73t/TYBpB1znGqccRepftbNYlMV17KlSnHzvprTeoiLFOvf4amHQw4+J2wKtvmWh420jqCH3ZIUlyYIicwPnCQoVIe+qGK3HNSPcDbnIGPZ3eEdXtCEMs= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247478.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39HBZ3c1019493; Tue, 17 Oct 2023 11:36:02 GMT Received: from mxout21.s.uw.edu (mxout21.s.uw.edu [140.142.32.139]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3tsausw4ht-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Oct 2023 11:36:02 +0000 Received: from smtp.washington.edu (smtp.washington.edu [140.142.234.157]) by mxout21.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 39HBZljb006894 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Oct 2023 04:35:47 -0700 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.19.18.191]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 39HBWiMe001840 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Oct 2023 04:35:47 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu From: Ken Matsui To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v21 27/30] c++: Implement __remove_pointer built-in trait Date: Tue, 17 Oct 2023 04:27:58 -0700 Message-ID: <20231017113242.664523-28-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017113242.664523-1-kmatsui@gcc.gnu.org> References: <20231016001227.2717180-1-kmatsui@gcc.gnu.org> <20231017113242.664523-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: yDj5FasffzcgSUhGHJaYUP0L-otoUTGA X-Proofpoint-ORIG-GUID: yDj5FasffzcgSUhGHJaYUP0L-otoUTGA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-16_13,2023-10-17_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxscore=0 bulkscore=0 spamscore=0 impostorscore=0 mlxlogscore=620 priorityscore=1501 clxscore=1034 adultscore=0 phishscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310170097 X-Spam-Status: No, score=-13.1 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1776997148879891783 X-GMAIL-MSGID: 1780003180735024652 This patch implements built-in trait for std::remove_pointer. gcc/cp/ChangeLog: * cp-trait.def: Define __remove_pointer. * semantics.cc (finish_trait_type): Handle CPTK_REMOVE_POINTER. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __remove_pointer. * g++.dg/ext/remove_pointer.C: New test. Signed-off-by: Ken Matsui --- gcc/cp/cp-trait.def | 1 + gcc/cp/semantics.cc | 5 +++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 ++ gcc/testsuite/g++.dg/ext/remove_pointer.C | 51 +++++++++++++++++++++++ 4 files changed, 60 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/remove_pointer.C diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 191a86307fc..1f405f61861 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -98,6 +98,7 @@ DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_tempo DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2) DEFTRAIT_TYPE (REMOVE_CV, "__remove_cv", 1) DEFTRAIT_TYPE (REMOVE_CVREF, "__remove_cvref", 1) +DEFTRAIT_TYPE (REMOVE_POINTER, "__remove_pointer", 1) DEFTRAIT_TYPE (REMOVE_REFERENCE, "__remove_reference", 1) DEFTRAIT_TYPE (TYPE_PACK_ELEMENT, "__type_pack_element", -1) DEFTRAIT_TYPE (UNDERLYING_TYPE, "__underlying_type", 1) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index e3f71ff5902..45584e9045f 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12494,6 +12494,11 @@ finish_trait_type (cp_trait_kind kind, tree type1, tree type2, type1 = TREE_TYPE (type1); return cv_unqualified (type1); + case CPTK_REMOVE_POINTER: + if (TYPE_PTR_P (type1)) + type1 = TREE_TYPE (type1); + return type1; + case CPTK_REMOVE_REFERENCE: if (TYPE_REF_P (type1)) type1 = TREE_TYPE (type1); diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index 163be1d710b..719902d3f1a 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -176,6 +176,9 @@ #if !__has_builtin (__remove_cvref) # error "__has_builtin (__remove_cvref) failed" #endif +#if !__has_builtin (__remove_pointer) +# error "__has_builtin (__remove_pointer) failed" +#endif #if !__has_builtin (__remove_reference) # error "__has_builtin (__remove_reference) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/remove_pointer.C b/gcc/testsuite/g++.dg/ext/remove_pointer.C new file mode 100644 index 00000000000..7b13db93950 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/remove_pointer.C @@ -0,0 +1,51 @@ +// { dg-do compile { target c++11 } } + +#define SA(X) static_assert((X),#X) + +SA(__is_same(__remove_pointer(int), int)); +SA(__is_same(__remove_pointer(int*), int)); +SA(__is_same(__remove_pointer(int**), int*)); + +SA(__is_same(__remove_pointer(const int*), const int)); +SA(__is_same(__remove_pointer(const int**), const int*)); +SA(__is_same(__remove_pointer(int* const), int)); +SA(__is_same(__remove_pointer(int** const), int*)); +SA(__is_same(__remove_pointer(int* const* const), int* const)); + +SA(__is_same(__remove_pointer(volatile int*), volatile int)); +SA(__is_same(__remove_pointer(volatile int**), volatile int*)); +SA(__is_same(__remove_pointer(int* volatile), int)); +SA(__is_same(__remove_pointer(int** volatile), int*)); +SA(__is_same(__remove_pointer(int* volatile* volatile), int* volatile)); + +SA(__is_same(__remove_pointer(const volatile int*), const volatile int)); +SA(__is_same(__remove_pointer(const volatile int**), const volatile int*)); +SA(__is_same(__remove_pointer(const int* volatile), const int)); +SA(__is_same(__remove_pointer(volatile int* const), volatile int)); +SA(__is_same(__remove_pointer(int* const volatile), int)); +SA(__is_same(__remove_pointer(const int** volatile), const int*)); +SA(__is_same(__remove_pointer(volatile int** const), volatile int*)); +SA(__is_same(__remove_pointer(int** const volatile), int*)); +SA(__is_same(__remove_pointer(int* const* const volatile), int* const)); +SA(__is_same(__remove_pointer(int* volatile* const volatile), int* volatile)); +SA(__is_same(__remove_pointer(int* const volatile* const volatile), int* const volatile)); + +SA(__is_same(__remove_pointer(int&), int&)); +SA(__is_same(__remove_pointer(const int&), const int&)); +SA(__is_same(__remove_pointer(volatile int&), volatile int&)); +SA(__is_same(__remove_pointer(const volatile int&), const volatile int&)); + +SA(__is_same(__remove_pointer(int&&), int&&)); +SA(__is_same(__remove_pointer(const int&&), const int&&)); +SA(__is_same(__remove_pointer(volatile int&&), volatile int&&)); +SA(__is_same(__remove_pointer(const volatile int&&), const volatile int&&)); + +SA(__is_same(__remove_pointer(int[3]), int[3])); +SA(__is_same(__remove_pointer(const int[3]), const int[3])); +SA(__is_same(__remove_pointer(volatile int[3]), volatile int[3])); +SA(__is_same(__remove_pointer(const volatile int[3]), const volatile int[3])); + +SA(__is_same(__remove_pointer(int(int)), int(int))); +SA(__is_same(__remove_pointer(int(*const)(int)), int(int))); +SA(__is_same(__remove_pointer(int(*volatile)(int)), int(int))); +SA(__is_same(__remove_pointer(int(*const volatile)(int)), int(int)));