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Wed, 28 Feb 2024 19:32:14 +0000 Received: from smtp.washington.edu (smtp.washington.edu [140.142.234.157]) by mxout25.s.uw.edu (8.14.4+UW20.07/8.14.4+UW24.02) with ESMTP id 41SJSp4r020755 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Feb 2024 11:28:51 -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 41SJSoTV015429 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Feb 2024 11:28:51 -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 v14 13/26] c++: Implement __remove_all_extents built-in trait Date: Wed, 28 Feb 2024 11:26:18 -0800 Message-ID: <20240228192843.188979-14-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240228192843.188979-1-kmatsui@gcc.gnu.org> References: <20240221093616.4001742-1-kmatsui@gcc.gnu.org> <20240228192843.188979-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: 5-Gzx_XZxpJ6WK2-SejNbQJ4QyeUPb8X X-Proofpoint-ORIG-GUID: 5-Gzx_XZxpJ6WK2-SejNbQJ4QyeUPb8X 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=2024-02-28_08,2024-02-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 phishscore=0 mlxscore=0 clxscore=1034 mlxlogscore=433 adultscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402280153 X-Spam-Status: No, score=-13.4 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, 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 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: 1791501585627122158 X-GMAIL-MSGID: 1792172834667508155 This patch implements built-in trait for std::remove_all_extents. gcc/cp/ChangeLog: * cp-trait.def: Define __remove_all_extents. * semantics.cc (finish_trait_type): Handle CPTK_REMOVE_ALL_EXTENTS. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __remove_all_extents. * g++.dg/ext/remove_all_extents.C: New test. Signed-off-by: Ken Matsui --- gcc/cp/cp-trait.def | 1 + gcc/cp/semantics.cc | 3 +++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 +++ gcc/testsuite/g++.dg/ext/remove_all_extents.C | 16 ++++++++++++++++ 4 files changed, 23 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/remove_all_extents.C diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 577c96d579b..933c8bcbe68 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -98,6 +98,7 @@ DEFTRAIT_EXPR (IS_UNION, "__is_union", 1) DEFTRAIT_EXPR (IS_VOLATILE, "__is_volatile", 1) DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2) DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2) +DEFTRAIT_TYPE (REMOVE_ALL_EXTENTS, "__remove_all_extents", 1) DEFTRAIT_TYPE (REMOVE_CV, "__remove_cv", 1) DEFTRAIT_TYPE (REMOVE_CVREF, "__remove_cvref", 1) DEFTRAIT_TYPE (REMOVE_EXTENT, "__remove_extent", 1) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 58696225fc4..078424dac23 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12785,6 +12785,9 @@ finish_trait_type (cp_trait_kind kind, tree type1, tree type2, type1 = TREE_TYPE (type1); return build_pointer_type (type1); + case CPTK_REMOVE_ALL_EXTENTS: + return strip_array_types (type1); + case CPTK_REMOVE_CV: return cv_unqualified (type1); diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index 5d5cbe3b019..85b74bd676b 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 (__reference_converts_from_temporary) # error "__has_builtin (__reference_converts_from_temporary) failed" #endif +#if !__has_builtin (__remove_all_extents) +# error "__has_builtin (__remove_all_extents) failed" +#endif #if !__has_builtin (__remove_cv) # error "__has_builtin (__remove_cv) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/remove_all_extents.C b/gcc/testsuite/g++.dg/ext/remove_all_extents.C new file mode 100644 index 00000000000..60ade2ade7f --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/remove_all_extents.C @@ -0,0 +1,16 @@ +// { dg-do compile { target c++11 } } + +#define SA(X) static_assert((X),#X) + +class ClassType { }; + +SA(__is_same(__remove_all_extents(int), int)); +SA(__is_same(__remove_all_extents(int[2]), int)); +SA(__is_same(__remove_all_extents(int[2][3]), int)); +SA(__is_same(__remove_all_extents(int[][3]), int)); +SA(__is_same(__remove_all_extents(const int[2][3]), const int)); +SA(__is_same(__remove_all_extents(ClassType), ClassType)); +SA(__is_same(__remove_all_extents(ClassType[2]), ClassType)); +SA(__is_same(__remove_all_extents(ClassType[2][3]), ClassType)); +SA(__is_same(__remove_all_extents(ClassType[][3]), ClassType)); +SA(__is_same(__remove_all_extents(const ClassType[2][3]), const ClassType));