From: Ken Matsui <kmatsui@cs.washington.edu>
To: Ken Matsui <kmatsui@gcc.gnu.org>
Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org
Subject: Re: [PATCH v10 3/5] c++: Implement __is_function built-in trait
Date: Wed, 12 Jul 2023 19:41:35 -0700 [thread overview]
Message-ID: <CAML+3pUD_PfwD29MZxGcoqq84H7kcezoF-Uo9sj3EhB3jxskvA@mail.gmail.com> (raw)
In-Reply-To: <20230713023731.15571-4-kmatsui@gcc.gnu.org>
Hi,
Here is the benchmark result for is_function:
https://github.com/ken-matsui/gcc-benches/blob/main/is_function.md#wed-jul-12-072510-pm-pdt-2023
Time: -21.3748%
Peak Memory Usage: -10.962%
Total Memory Usage: -12.8384%
Sincerely,
Ken Matsui
On Wed, Jul 12, 2023 at 7:40 PM Ken Matsui <kmatsui@gcc.gnu.org> wrote:
>
> This patch implements built-in trait for std::is_function.
>
> gcc/cp/ChangeLog:
>
> * cp-trait.def: Define __is_function.
> * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_FUNCTION.
> * semantics.cc (trait_expr_value): Likewise.
> (finish_trait_expr): Likewise.
>
> gcc/testsuite/ChangeLog:
>
> * g++.dg/ext/has-builtin-1.C: Test existence of __is_function.
> * g++.dg/ext/is_function.C: New test.
>
> Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
> ---
> gcc/cp/constraint.cc | 3 ++
> gcc/cp/cp-trait.def | 1 +
> gcc/cp/semantics.cc | 4 ++
> gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 ++
> gcc/testsuite/g++.dg/ext/is_function.C | 58 ++++++++++++++++++++++++
> 5 files changed, 69 insertions(+)
> create mode 100644 gcc/testsuite/g++.dg/ext/is_function.C
>
> diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc
> index f6951ee2670..927605c6cb7 100644
> --- a/gcc/cp/constraint.cc
> +++ b/gcc/cp/constraint.cc
> @@ -3754,6 +3754,9 @@ diagnose_trait_expr (tree expr, tree args)
> case CPTK_IS_UNION:
> inform (loc, " %qT is not a union", t1);
> break;
> + case CPTK_IS_FUNCTION:
> + inform (loc, " %qT is not a function", t1);
> + break;
> case CPTK_IS_AGGREGATE:
> inform (loc, " %qT is not an aggregate", t1);
> break;
> diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def
> index 1e3310cd682..3cd3babc242 100644
> --- a/gcc/cp/cp-trait.def
> +++ b/gcc/cp/cp-trait.def
> @@ -83,6 +83,7 @@ DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2)
> DEFTRAIT_EXPR (IS_TRIVIALLY_CONSTRUCTIBLE, "__is_trivially_constructible", -1)
> DEFTRAIT_EXPR (IS_TRIVIALLY_COPYABLE, "__is_trivially_copyable", 1)
> DEFTRAIT_EXPR (IS_UNION, "__is_union", 1)
> +DEFTRAIT_EXPR (IS_FUNCTION, "__is_function", 1)
> DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2)
> DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2)
> /* FIXME Added space to avoid direct usage in GCC 13. */
> diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc
> index 2f37bc353a1..b976633645a 100644
> --- a/gcc/cp/semantics.cc
> +++ b/gcc/cp/semantics.cc
> @@ -12072,6 +12072,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
> case CPTK_IS_ENUM:
> return type_code1 == ENUMERAL_TYPE;
>
> + case CPTK_IS_FUNCTION:
> + return type_code1 == FUNCTION_TYPE;
> +
> case CPTK_IS_FINAL:
> return CLASS_TYPE_P (type1) && CLASSTYPE_FINAL (type1);
>
> @@ -12293,6 +12296,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2)
> case CPTK_IS_UNION:
> case CPTK_IS_SAME:
> case CPTK_IS_REFERENCE:
> + case CPTK_IS_FUNCTION:
> break;
>
> case CPTK_IS_LAYOUT_COMPATIBLE:
> diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> index b697673790c..90eb00ebf2d 100644
> --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
> @@ -149,3 +149,6 @@
> #if !__has_builtin (__is_reference)
> # error "__has_builtin (__is_reference) failed"
> #endif
> +#if !__has_builtin (__is_function)
> +# error "__has_builtin (__is_function) failed"
> +#endif
> diff --git a/gcc/testsuite/g++.dg/ext/is_function.C b/gcc/testsuite/g++.dg/ext/is_function.C
> new file mode 100644
> index 00000000000..2e1594b12ad
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/ext/is_function.C
> @@ -0,0 +1,58 @@
> +// { dg-do compile { target c++11 } }
> +
> +#include <testsuite_tr1.h>
> +
> +using namespace __gnu_test;
> +
> +#define SA(X) static_assert((X),#X)
> +#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT) \
> + SA(TRAIT(TYPE) == EXPECT); \
> + SA(TRAIT(const TYPE) == EXPECT); \
> + SA(TRAIT(volatile TYPE) == EXPECT); \
> + SA(TRAIT(const volatile TYPE) == EXPECT)
> +
> +struct A
> +{ void fn(); };
> +
> +template<typename>
> +struct AHolder { };
> +
> +template<class T, class U>
> +struct AHolder<U T::*>
> +{ using type = U; };
> +
> +// Positive tests.
> +SA(__is_function(int (int)));
> +SA(__is_function(ClassType (ClassType)));
> +SA(__is_function(float (int, float, int[], int&)));
> +SA(__is_function(int (int, ...)));
> +SA(__is_function(bool (ClassType) const));
> +SA(__is_function(AHolder<decltype(&A::fn)>::type));
> +
> +void fn();
> +SA(__is_function(decltype(fn)));
> +
> +// Negative tests.
> +SA_TEST_CATEGORY(__is_function, int, false);
> +SA_TEST_CATEGORY(__is_function, int*, false);
> +SA_TEST_CATEGORY(__is_function, int&, false);
> +SA_TEST_CATEGORY(__is_function, void, false);
> +SA_TEST_CATEGORY(__is_function, void*, false);
> +SA_TEST_CATEGORY(__is_function, void**, false);
> +SA_TEST_CATEGORY(__is_function, std::nullptr_t, false);
> +
> +SA_TEST_CATEGORY(__is_function, AbstractClass, false);
> +SA(!__is_function(int(&)(int)));
> +SA(!__is_function(int(*)(int)));
> +
> +SA_TEST_CATEGORY(__is_function, A, false);
> +SA_TEST_CATEGORY(__is_function, decltype(&A::fn), false);
> +
> +struct FnCallOverload
> +{ void operator()(); };
> +SA_TEST_CATEGORY(__is_function, FnCallOverload, false);
> +
> +// Sanity check.
> +SA_TEST_CATEGORY(__is_function, ClassType, false);
> +SA_TEST_CATEGORY(__is_function, IncompleteClass, false);
> +SA_TEST_CATEGORY(__is_function, IncompleteUnion, false);
> --
> 2.41.0
>
next prev parent reply other threads:[~2023-07-13 2:41 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-26 4:30 [PATCH 00/10] c++, libstdc++: get std::is_object to dispatch to new built-in traits Ken Matsui
2023-03-26 4:30 ` [PATCH 01/10] c++: implement __is_reference built-in trait Ken Matsui
2023-03-26 4:30 ` [PATCH 02/10] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-03-26 4:30 ` [PATCH 03/10] c++: implement __is_function built-in trait Ken Matsui
2023-03-26 4:30 ` [PATCH 04/10] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-03-26 4:30 ` [PATCH 05/10] libstdc++: use std::is_void instead of __is_void in helper_functions.h Ken Matsui
2023-03-26 4:30 ` [PATCH 06/10] libstdc++: remove unused __is_void in cpp_type_traits.h Ken Matsui
2023-03-26 4:30 ` [PATCH 07/10] c++: rename __is_void defined in pr46567.C to ____is_void Ken Matsui
2023-03-26 4:30 ` [PATCH 08/10] c++: implement __is_void built-in trait Ken Matsui
2023-03-26 4:30 ` [PATCH 09/10] libstdc++: use new built-in trait __is_void for std::is_void Ken Matsui
2023-03-26 4:30 ` [PATCH 10/10] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-03-30 18:32 ` [PATCH 0/7] c++, libstdc++: get std::is_object to " Ken Matsui
2023-03-30 18:39 ` [PATCH v2 " Ken Matsui
2023-03-30 18:39 ` [PATCH v2 1/7] c++: implement __is_reference built-in trait Ken Matsui
2023-03-30 18:39 ` [PATCH v2 2/7] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-03-30 18:39 ` [PATCH v2 3/7] c++: implement __is_function built-in trait Ken Matsui
2023-03-30 18:39 ` [PATCH v2 4/7] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-03-30 18:39 ` [PATCH v2 5/7] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-03-30 18:39 ` [PATCH v2 6/7] libstdc++: use new built-in trait __is_void for std::is_void Ken Matsui
2023-03-30 18:39 ` [PATCH v2 7/7] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-04-02 7:53 ` [PATCH v3 0/6] c++, libstdc++: get std::is_object to " Ken Matsui
2023-04-02 7:53 ` [PATCH v3 1/6] c++: implement __is_reference built-in trait Ken Matsui
2023-04-02 7:53 ` [PATCH v3 2/6] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-04-02 7:53 ` [PATCH v3 3/6] c++: implement __is_function built-in trait Ken Matsui
2023-04-02 7:53 ` [PATCH v3 4/6] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-06-09 17:54 ` Patrick Palka
2023-06-09 23:53 ` Ken Matsui
2023-04-02 7:53 ` [PATCH v3 5/6] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-04-02 7:53 ` [PATCH v3 6/6] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-06-11 2:43 ` [PATCH v4 0/6] c++, libstdc++: get std::is_object to " Ken Matsui
2023-06-11 2:43 ` [PATCH v4 1/6] c++: implement __is_reference built-in trait Ken Matsui
2023-06-11 2:43 ` [PATCH v4 2/6] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-06-12 18:09 ` François Dumont
2023-06-12 18:13 ` Ken Matsui
2023-06-11 2:43 ` [PATCH v4 3/6] c++: implement __is_function built-in trait Ken Matsui
2023-06-11 2:43 ` [PATCH v4 4/6] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-06-11 2:43 ` [PATCH v4 5/6] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-06-11 2:43 ` [PATCH v4 6/6] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-06-12 22:22 ` [PATCH v5 0/6] c++, libstdc++: get std::is_object to " Ken Matsui
2023-06-12 22:22 ` [PATCH v5 1/6] c++: implement __is_reference built-in trait Ken Matsui
2023-06-12 22:22 ` [PATCH v5 2/6] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-06-12 22:22 ` [PATCH v5 3/6] c++: implement __is_function built-in trait Ken Matsui
2023-06-12 22:22 ` [PATCH v5 4/6] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-06-12 22:22 ` [PATCH v5 5/6] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-06-12 22:22 ` [PATCH v5 6/6] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-06-14 5:10 ` François Dumont
2023-06-14 5:25 ` Ken Matsui
2023-06-12 22:39 ` [PATCH v6 0/6] c++, libstdc++: get std::is_object to " Ken Matsui
2023-06-12 22:39 ` [PATCH v6 1/6] c++: implement __is_reference built-in trait Ken Matsui
2023-06-12 22:39 ` [PATCH v6 2/6] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-06-12 22:39 ` [PATCH v6 3/6] c++: implement __is_function built-in trait Ken Matsui
2023-06-12 22:39 ` [PATCH v6 4/6] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-06-12 22:39 ` [PATCH v6 5/6] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-06-12 22:39 ` [PATCH v6 6/6] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-06-12 22:47 ` [PATCH v7 0/6] c++, libstdc++: get std::is_object to " Ken Matsui
2023-06-12 22:47 ` [PATCH v7 1/6] c++: implement __is_reference built-in trait Ken Matsui
2023-06-20 16:06 ` Patrick Palka
2023-06-12 22:47 ` [PATCH v7 2/6] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-06-20 16:07 ` Patrick Palka
2023-06-12 22:47 ` [PATCH v7 3/6] c++: implement __is_function built-in trait Ken Matsui
2023-06-20 16:05 ` Patrick Palka
2023-06-12 22:47 ` [PATCH v7 4/6] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-06-20 16:05 ` Patrick Palka
2023-06-12 22:47 ` [PATCH v7 5/6] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-06-20 16:00 ` Patrick Palka
2023-06-12 22:47 ` [PATCH v7 6/6] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-06-15 10:49 ` [PATCH v7 0/6] c++, libstdc++: get std::is_object to " Ken Matsui
2023-06-20 13:19 ` Ken Matsui
2023-06-20 15:32 ` Patrick Palka
2023-06-24 15:12 ` Ken Matsui
2023-07-08 5:08 ` [PATCH v8 " Ken Matsui
2023-07-08 5:08 ` [PATCH v8 1/6] c++: implement __is_reference built-in trait Ken Matsui
2023-07-08 5:08 ` [PATCH v8 2/6] libstdc++: use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-07-12 10:08 ` Jonathan Wakely
2023-07-08 5:08 ` [PATCH v8 3/6] c++: implement __is_function built-in trait Ken Matsui
2023-07-08 5:08 ` [PATCH v8 4/6] libstdc++: use new built-in trait __is_function for std::is_function Ken Matsui
2023-07-12 10:10 ` Jonathan Wakely
2023-07-08 5:08 ` [PATCH v8 5/6] c++, libstdc++: implement __is_void built-in trait Ken Matsui
2023-07-08 5:08 ` [PATCH v8 6/6] libstdc++: make std::is_object dispatch to new built-in traits Ken Matsui
2023-07-13 2:33 ` [PATCH v10 0/5] c++, libstdc++: Make " Ken Matsui
2023-07-13 2:33 ` [PATCH v10 1/5] c++: Implement __is_reference built-in trait Ken Matsui
2023-07-13 2:33 ` [PATCH v10 2/5] libstdc++: Use new built-in trait __is_reference for std::is_reference Ken Matsui
2023-07-13 2:56 ` Ken Matsui
2023-09-04 15:00 ` [PING][PATCH " Ken Matsui
2023-07-13 2:33 ` [PATCH v10 3/5] c++: Implement __is_function built-in trait Ken Matsui
2023-07-13 2:41 ` Ken Matsui [this message]
2023-08-22 19:52 ` Patrick Palka
2023-09-04 15:00 ` [PING][PATCH " Ken Matsui
2023-07-13 2:33 ` [PATCH v10 4/5] libstdc++: Use new built-in trait __is_function for std::is_function Ken Matsui
2023-08-08 20:35 ` Jonathan Wakely
2023-07-13 2:33 ` [PATCH v10 5/5] libstdc++: Make std::is_object dispatch to new built-in traits Ken Matsui
2023-09-01 13:00 ` [PING][PATCH " Ken Matsui
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