From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00641c01.pphosted.com (mx0b-00641c01.pphosted.com [205.220.177.146]) by sourceware.org (Postfix) with ESMTPS id 1678A3849AD2; Thu, 2 May 2024 20:16:03 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 1678A3849AD2 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 1678A3849AD2 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=1714680965; cv=none; b=gUSY3XC6BRQRw/wMN/njY5+CpE7TQq/rN7OUYu0Mfsh0U8xfDy26Tq7bS4/aRpzJ2E/FwP4p0hxSSZlbz0PGo8e7xXULzF2HITvK/JB3aUh6bNY7X2JlrJu+r/hxQdr0zOi8N1pih98ncq8Vl09GY/7CeDvtwJ6jYBujCAWJ12E= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714680965; c=relaxed/simple; bh=9zp+ANoRc0lpQmNFFqYZKD0qnS/qJw+N2HCdgbVZHv0=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=TC0nm9ftdIp19rIFd2Kf5i7M0lqetF+GD5+YPGQBQJIs5Yqc63H4LlTp832pU1mOxl0A+E46Wyw313hFYYPzgQCHz+0Cio7glXEO4bAbhKhskbD9QAZ7DHLVtkG/aqRV53cQIQXPKPLjm8S8wG5VVQxUbflPaZ252f0rsnqirmM= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247477.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 442KCPi9013121; Thu, 2 May 2024 20:16:02 GMT Received: from mxout25.s.uw.edu (mxout25.s.uw.edu [140.142.234.175]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3xvf561jv6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 May 2024 20:16:02 +0000 (GMT) Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.132]) by mxout25.s.uw.edu (8.14.4+UW20.07/8.14.4+UW24.02) with ESMTP id 442KFu9S003577 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 May 2024 13:15:56 -0700 X-Auth-Received: from ken-20xw00qgus.dhcp4.washington.edu ([10.154.75.239]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW24.02) with ESMTPSA id 442KFqme009550 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 2 May 2024 13:15:56 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu From: Ken Matsui To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, jason@redhat.com, Ken Matsui Subject: [PATCH v18 17/26] c++: Implement __add_rvalue_reference built-in trait Date: Thu, 2 May 2024 13:12:18 -0700 Message-ID: <20240502201549.459244-18-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240502201549.459244-1-kmatsui@gcc.gnu.org> References: <20240502184529.97337-1-kmatsui@gcc.gnu.org> <20240502201549.459244-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: pM-3tI5gGLV7JEymxipFMd3K1DM3PwQV X-Proofpoint-ORIG-GUID: pM-3tI5gGLV7JEymxipFMd3K1DM3PwQV X-outbound-smtp: 1 x-header: uw-relay-non-domains X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-02_12,2024-05-02_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 phishscore=0 adultscore=0 suspectscore=0 priorityscore=1501 clxscore=1034 malwarescore=0 mlxlogscore=634 bulkscore=0 lowpriorityscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405020132 X-Spam-Status: No, score=-13.2 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 List-Id: This patch implements built-in trait for std::add_rvalue_reference. gcc/cp/ChangeLog: * cp-trait.def: Define __add_rvalue_reference. * semantics.cc (finish_trait_type): Handle CPTK_ADD_RVALUE_REFERENCE. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __add_rvalue_reference. * g++.dg/ext/add_rvalue_reference.C: New test. Signed-off-by: Ken Matsui --- gcc/cp/cp-trait.def | 1 + gcc/cp/semantics.cc | 6 ++++++ .../g++.dg/ext/add_rvalue_reference.C | 20 +++++++++++++++++++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 +++ 4 files changed, 30 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/add_rvalue_reference.C diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 9a27dca4ea3..173818adf79 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -50,6 +50,7 @@ DEFTRAIT_TYPE (ADD_LVALUE_REFERENCE, "__add_lvalue_reference", 1) DEFTRAIT_TYPE (ADD_POINTER, "__add_pointer", 1) +DEFTRAIT_TYPE (ADD_RVALUE_REFERENCE, "__add_rvalue_reference", 1) DEFTRAIT_EXPR (HAS_NOTHROW_ASSIGN, "__has_nothrow_assign", 1) DEFTRAIT_EXPR (HAS_NOTHROW_CONSTRUCTOR, "__has_nothrow_constructor", 1) DEFTRAIT_EXPR (HAS_NOTHROW_COPY, "__has_nothrow_copy", 1) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 9f2220a1a91..fd6d9fc1dc5 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12936,6 +12936,12 @@ finish_trait_type (cp_trait_kind kind, tree type1, tree type2, } return type1; + case CPTK_ADD_RVALUE_REFERENCE: + /* [meta.trans.ref]. */ + if (referenceable_type_p (type1)) + return cp_build_reference_type (type1, /*rval=*/true); + return type1; + case CPTK_REMOVE_ALL_EXTENTS: return strip_array_types (type1); diff --git a/gcc/testsuite/g++.dg/ext/add_rvalue_reference.C b/gcc/testsuite/g++.dg/ext/add_rvalue_reference.C new file mode 100644 index 00000000000..c92fe6bfa17 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/add_rvalue_reference.C @@ -0,0 +1,20 @@ +// { dg-do compile { target c++11 } } + +#define SA(X) static_assert((X),#X) + +class ClassType { }; + +SA(__is_same(__add_rvalue_reference(int), int&&)); +SA(__is_same(__add_rvalue_reference(int&&), int&&)); +SA(__is_same(__add_rvalue_reference(int&), int&)); +SA(__is_same(__add_rvalue_reference(const int), const int&&)); +SA(__is_same(__add_rvalue_reference(int*), int*&&)); +SA(__is_same(__add_rvalue_reference(ClassType&&), ClassType&&)); +SA(__is_same(__add_rvalue_reference(ClassType), ClassType&&)); +SA(__is_same(__add_rvalue_reference(int(int)), int(&&)(int))); +SA(__is_same(__add_rvalue_reference(void), void)); +SA(__is_same(__add_rvalue_reference(const void), const void)); +SA(__is_same(__add_rvalue_reference(bool(int) const), bool(int) const)); +SA(__is_same(__add_rvalue_reference(bool(int) &), bool(int) &)); +SA(__is_same(__add_rvalue_reference(bool(int) const &&), bool(int) const &&)); +SA(__is_same(__add_rvalue_reference(bool(int)), bool(&&)(int))); diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index a8b2f0fcfd2..266cb35a368 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -8,6 +8,9 @@ #if !__has_builtin (__add_pointer) # error "__has_builtin (__add_pointer) failed" #endif +#if !__has_builtin (__add_rvalue_reference) +# error "__has_builtin (__add_rvalue_reference) failed" +#endif #if !__has_builtin (__builtin_addressof) # error "__has_builtin (__builtin_addressof) failed" #endif -- 2.44.0