From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00641c01.pphosted.com (mx0a-00641c01.pphosted.com [205.220.165.146]) by sourceware.org (Postfix) with ESMTPS id 170B63858D34; Wed, 21 Feb 2024 09:36:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 170B63858D34 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 170B63858D34 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.165.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1708508188; cv=none; b=JED6U6yJJffYhgk9jv15A7LfzrWPrUeM8Yutehb+VDkrOQb0ihC9TpkXFiwbHOOzUtB7tJHqommwwp3iMZNdBhz/rkBJpFtl+FcBomZpUD9LsO+h0TBb8t/kE15F4KL/HMoT54u5mLcxDzFVWcFwzwME2dloLUTyiJ0Kb/WMTPA= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1708508188; c=relaxed/simple; bh=XzPEE95yRRX9fG1TBmN/Dww4kezjgkNHgKOEXc42Kcw=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=jlvnk2341uQsUh4MBZgWCxlNnXbdTtuxnSc04e3avJHBoETBM527OQfMu8i+W6mUHCcfOUIsdYTOUuoo9HMYjiV1mvEHYQI3CS8gLKr5FSuwRzJK/bBF3agwyRKnATYT9lg3iULSOA84I64vaTHYfjWaG6tNKnSh0WUvKj/8Chw= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247471.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 41L9WJ8k016467; Wed, 21 Feb 2024 09:36:24 GMT Received: from mxout21.s.uw.edu (mxout21.s.uw.edu [140.142.32.139]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3wd56gk8tr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Feb 2024 09:36:23 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.132]) by mxout21.s.uw.edu (8.14.4+UW20.07/8.14.4+UW24.02) with ESMTP id 41L9aK1p011355 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 21 Feb 2024 01:36:21 -0800 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.154.74.128]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW24.02) with ESMTPSA id 41L9aJVh002942 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Feb 2024 01:36:20 -0800 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 v13 17/26] c++: Implement __add_rvalue_reference built-in trait Date: Wed, 21 Feb 2024 01:36:07 -0800 Message-ID: <20240221093616.4001742-17-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221093616.4001742-1-kmatsui@gcc.gnu.org> References: <20240221085142.3779280-26-kmatsui@gcc.gnu.org> <20240221093616.4001742-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: We3bG0G4FHbaeaYoZ7OwhU8CpeDJUU3X X-Proofpoint-ORIG-GUID: We3bG0G4FHbaeaYoZ7OwhU8CpeDJUU3X X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-20_06,2024-02-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1034 adultscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 phishscore=0 mlxlogscore=444 suspectscore=0 lowpriorityscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402210074 X-Spam-Status: No, score=-12.7 required=5.0 tests=BAYES_00,GIT_PATCH_0,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NEUTRAL,TXREP,T_SCC_BODY_TEXT_LINE 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 | 8 ++++++++ .../g++.dg/ext/add_rvalue_reference.C | 20 +++++++++++++++++++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 +++ 4 files changed, 32 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 05f5b62f9df..19d6f87a9ea 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12793,6 +12793,14 @@ finish_trait_type (cp_trait_kind kind, tree type1, tree type2, type1 = TREE_TYPE (type1); return build_pointer_type (type1); + case CPTK_ADD_RVALUE_REFERENCE: + if (VOID_TYPE_P (type1) + || (FUNC_OR_METHOD_TYPE_P (type1) + && (type_memfn_quals (type1) != TYPE_UNQUALIFIED + || type_memfn_rqual (type1) != REF_QUAL_NONE))) + return type1; + return cp_build_reference_type (type1, /*rval=*/true); + 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 3fca9cfabcc..c2503c5d82b 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 -- 2.43.2