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Mon, 19 Feb 2024 05:51:36 -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 v7 11/22] c++: Implement __remove_extent built-in trait Date: Mon, 19 Feb 2024 05:51:18 -0800 Message-ID: <20240219135129.3635809-11-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240219135129.3635809-1-kmatsui@gcc.gnu.org> References: <20240106050754.3054782-1-kmatsui@gcc.gnu.org> <20240219135129.3635809-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: kimFISlinVDdyCK65w3FwrJPNPzQkK7U X-Proofpoint-ORIG-GUID: kimFISlinVDdyCK65w3FwrJPNPzQkK7U 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=2024-02-19_09,2024-02-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 priorityscore=1501 bulkscore=0 phishscore=0 impostorscore=0 mlxscore=0 adultscore=0 clxscore=1034 mlxlogscore=362 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402190103 X-Spam-Status: No, score=-13.0 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 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+patchwork=sourceware.org@gcc.gnu.org This patch implements built-in trait for std::remove_extent. gcc/cp/ChangeLog: * cp-trait.def: Define __remove_extent. * semantics.cc (finish_trait_type): Handle CPTK_REMOVE_EXTENT. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __remove_extent. * g++.dg/ext/remove_extent.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_extent.C | 16 ++++++++++++++++ 4 files changed, 25 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/remove_extent.C diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index 63f879287ce..577c96d579b 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -100,6 +100,7 @@ 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_EXTENT, "__remove_extent", 1) DEFTRAIT_TYPE (REMOVE_POINTER, "__remove_pointer", 1) DEFTRAIT_TYPE (REMOVE_REFERENCE, "__remove_reference", 1) DEFTRAIT_TYPE (TYPE_PACK_ELEMENT, "__type_pack_element", -1) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 635441a7a90..58696225fc4 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12793,6 +12793,11 @@ finish_trait_type (cp_trait_kind kind, tree type1, tree type2, type1 = TREE_TYPE (type1); return cv_unqualified (type1); + case CPTK_REMOVE_EXTENT: + if (TREE_CODE (type1) == ARRAY_TYPE) + type1 = TREE_TYPE (type1); + return type1; + case CPTK_REMOVE_POINTER: if (TYPE_PTR_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 9d861398bae..5d5cbe3b019 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -182,6 +182,9 @@ #if !__has_builtin (__remove_cvref) # error "__has_builtin (__remove_cvref) failed" #endif +#if !__has_builtin (__remove_extent) +# error "__has_builtin (__remove_extent) failed" +#endif #if !__has_builtin (__remove_pointer) # error "__has_builtin (__remove_pointer) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/remove_extent.C b/gcc/testsuite/g++.dg/ext/remove_extent.C new file mode 100644 index 00000000000..6183aca5a48 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/remove_extent.C @@ -0,0 +1,16 @@ +// { dg-do compile { target c++11 } } + +#define SA(X) static_assert((X),#X) + +class ClassType { }; + +SA(__is_same(__remove_extent(int), int)); +SA(__is_same(__remove_extent(int[2]), int)); +SA(__is_same(__remove_extent(int[2][3]), int[3])); +SA(__is_same(__remove_extent(int[][3]), int[3])); +SA(__is_same(__remove_extent(const int[2]), const int)); +SA(__is_same(__remove_extent(ClassType), ClassType)); +SA(__is_same(__remove_extent(ClassType[2]), ClassType)); +SA(__is_same(__remove_extent(ClassType[2][3]), ClassType[3])); +SA(__is_same(__remove_extent(ClassType[][3]), ClassType[3])); +SA(__is_same(__remove_extent(const ClassType[2]), const ClassType));