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 DBE0E385842A; Thu, 2 May 2024 16:16:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DBE0E385842A 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 DBE0E385842A 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=1714666601; cv=none; b=hmMFMwJC+vXk51048/NdqCGyVvvQ/aFyHpFenctjuMdQJEWyzBHUyiv8GplRgU/HhCDb3GXnUBG+aTuS5tJpZu4hoCPbOTiZKYO+7pWiO8WGNVCby+q7jfcs2QKMgklPeNO8B+LaJeKEIdJ9wyyjvsKbzlA49P58K2v/bpJdjb8= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714666601; c=relaxed/simple; bh=TRjzu7c7eICRHmKbGqsayVD73KGOUWZPs2CoBtd8NB0=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=DnBIebjrmvGtgbGQ44/jOoKe5Th8E/x6HfTysvj1+JpJ7BDzO60FzCNQ3flEMfbpIvbGHwdfoCHEceWua4OMpTgH8Zy8/UADAGKNDCVAACuCZv2uPFBo+QrCok2deYwLM1iPOzl92uWoMYW5vFi1iVZpTZVwvcPFvPe6iLtb3Vs= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247471.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 442GD4Km023078; Thu, 2 May 2024 16:16:33 GMT Received: from mxout22.s.uw.edu (mxout22.s.uw.edu [128.95.242.222]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3xv4e43n3n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 May 2024 16:16:32 +0000 (GMT) Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout22.s.uw.edu (8.14.4+UW20.07/8.14.4+UW24.02) with ESMTP id 442GGHUb003518 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 May 2024 09:16:17 -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 442GGFp5023119 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 2 May 2024 09:16:16 -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 v16 26/26] libstdc++: Optimize std::is_nothrow_invocable compilation performance Date: Thu, 2 May 2024 09:13:52 -0700 Message-ID: <20240502161614.3705912-27-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240502161614.3705912-1-kmatsui@gcc.gnu.org> References: <20240228192843.188979-1-kmatsui@gcc.gnu.org> <20240502161614.3705912-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: eqLnElGDO8GosLJvrmwHJK73LCSZRJud X-Proofpoint-GUID: eqLnElGDO8GosLJvrmwHJK73LCSZRJud 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_05,2024-05-02_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1034 lowpriorityscore=0 spamscore=0 malwarescore=0 impostorscore=0 phishscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2405020106 X-Spam-Status: No, score=-12.8 required=5.0 tests=BAYES_00,GIT_PATCH_0,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,KAM_SHORT,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 optimizes the compilation performance of std::is_nothrow_invocable by dispatching to the new __builtin_is_nothrow_invocable trait. libstdc++-v3/ChangeLog: * include/std/type_traits (is_nothrow_invocable): Use __builtin_is_nothrow_invocable trait. * testsuite/20_util/is_nothrow_invocable/incomplete_args_neg.cc: Handle the new error from __builtin_is_nothrow_invocable. * testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc: Likewise. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 4 ++++ .../20_util/is_nothrow_invocable/incomplete_args_neg.cc | 1 + .../testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc | 1 + 3 files changed, 6 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 1f2d3240faf..2a34c9bcc21 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -3269,8 +3269,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION /// std::is_nothrow_invocable template struct is_nothrow_invocable +#if _GLIBCXX_USE_BUILTIN_TRAIT(__builtin_is_nothrow_invocable) + : public __bool_constant<__builtin_is_nothrow_invocable(_Fn, _ArgTypes...)> +#else : __and_<__is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>, __call_is_nothrow_<_Fn, _ArgTypes...>>::type +#endif { static_assert(std::__is_complete_or_unbounded(__type_identity<_Fn>{}), "_Fn must be a complete class or an unbounded array"); diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_args_neg.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_args_neg.cc index 3c225883eaf..3f8542dd366 100644 --- a/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_args_neg.cc +++ b/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_args_neg.cc @@ -18,6 +18,7 @@ // . // { dg-error "must be a complete class" "" { target *-*-* } 0 } +// { dg-prune-output "invalid use of incomplete type" } #include diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc index 5a728bfa03b..d3bdf08448b 100644 --- a/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc +++ b/libstdc++-v3/testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc @@ -18,6 +18,7 @@ // . // { dg-error "must be a complete class" "" { target *-*-* } 0 } +// { dg-prune-output "invalid use of incomplete type" } #include -- 2.44.0