[Mlir-commits] [mlir] [libcxx] [llvm] [libc++][concepts] Implements concept helper `__libcpp_integer` (PR #78086)

Hristo Hristov llvmlistbot at llvm.org
Sun Jan 14 07:56:51 PST 2024


https://github.com/H-G-Hristov updated https://github.com/llvm/llvm-project/pull/78086

>From f2008de694bc867efa9632df183f64e3ea194e4e Mon Sep 17 00:00:00 2001
From: Zingam <zingam at outlook.com>
Date: Sun, 14 Jan 2024 09:34:46 +0200
Subject: [PATCH 1/3] [libc++][concepts] Implements  concept helper
 `__libcpp_integer`

...and tests.
---
 libcxx/include/__concepts/arithmetic.h        |   4 +
 .../arithmetic.compile.pass.cpp               | 117 ++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp

diff --git a/libcxx/include/__concepts/arithmetic.h b/libcxx/include/__concepts/arithmetic.h
index f41e4c9f2747cc..0c44f117805f36 100644
--- a/libcxx/include/__concepts/arithmetic.h
+++ b/libcxx/include/__concepts/arithmetic.h
@@ -42,9 +42,13 @@ concept floating_point = is_floating_point_v<_Tp>;
 
 template <class _Tp>
 concept __libcpp_unsigned_integer = __libcpp_is_unsigned_integer<_Tp>::value;
+
 template <class _Tp>
 concept __libcpp_signed_integer = __libcpp_is_signed_integer<_Tp>::value;
 
+template <class _Tp>
+concept __libcpp_integer = __libcpp_unsigned_integer<_Tp> || __libcpp_signed_integer<_Tp>;
+
 #endif // _LIBCPP_STD_VER >= 20
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp b/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
new file mode 100644
index 00000000000000..aefe21d852df52
--- /dev/null
+++ b/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
@@ -0,0 +1,117 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+#include <concepts>
+
+struct SomeObject {};
+
+// Concept helpers for the internal type traits for the fundamental types.
+
+// template <class _Tp>
+// concept __libcpp_unsigned_integer;
+
+// Unsigned
+static_assert(std::__libcpp_unsigned_integer<unsigned char>);
+static_assert(std::__libcpp_unsigned_integer<unsigned short int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned long int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned long long int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_unsigned_integer<__uint128_t>);
+#endif
+// Signed
+static_assert(!std::__libcpp_unsigned_integer<signed char>);
+static_assert(!std::__libcpp_unsigned_integer<short int>);
+static_assert(!std::__libcpp_unsigned_integer<int>);
+static_assert(!std::__libcpp_unsigned_integer<long int>);
+static_assert(!std::__libcpp_unsigned_integer<long long int>);
+static_assert(!std::__libcpp_unsigned_integer<short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(!std::__libcpp_unsigned_integer<__int128_t>);
+#endif
+// Non-integer
+static_assert(!std::__libcpp_unsigned_integer<bool>);
+static_assert(!std::__libcpp_unsigned_integer<char8_t>);
+static_assert(!std::__libcpp_unsigned_integer<char16_t>);
+static_assert(!std::__libcpp_unsigned_integer<char32_t>);
+static_assert(!std::__libcpp_unsigned_integer<float>);
+static_assert(!std::__libcpp_unsigned_integer<double>);
+static_assert(!std::__libcpp_unsigned_integer<long double>);
+static_assert(!std::__libcpp_unsigned_integer<void>);
+static_assert(!std::__libcpp_unsigned_integer<SomeObject>);
+
+// template <class _Tp>
+// concept __libcpp_signed_integer;
+
+// Unsigned
+static_assert(!std::__libcpp_signed_integer<unsigned char>);
+static_assert(!std::__libcpp_signed_integer<unsigned short int>);
+static_assert(!std::__libcpp_signed_integer<unsigned int>);
+static_assert(!std::__libcpp_signed_integer<unsigned long int>);
+static_assert(!std::__libcpp_signed_integer<unsigned long long int>);
+static_assert(!std::__libcpp_signed_integer<unsigned short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(!std::__libcpp_signed_integer<__uint128_t>);
+#endif
+// Signed
+static_assert(std::__libcpp_signed_integer<signed char>);
+static_assert(std::__libcpp_signed_integer<short int>);
+static_assert(std::__libcpp_signed_integer<int>);
+static_assert(std::__libcpp_signed_integer<long int>);
+static_assert(std::__libcpp_signed_integer<long long int>);
+static_assert(std::__libcpp_signed_integer<short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_signed_integer<__int128_t>);
+#endif
+// Non-integer
+static_assert(!std::__libcpp_signed_integer<bool>);
+static_assert(!std::__libcpp_signed_integer<char8_t>);
+static_assert(!std::__libcpp_signed_integer<char16_t>);
+static_assert(!std::__libcpp_signed_integer<char32_t>);
+static_assert(!std::__libcpp_signed_integer<float>);
+static_assert(!std::__libcpp_signed_integer<double>);
+static_assert(!std::__libcpp_signed_integer<long double>);
+static_assert(!std::__libcpp_signed_integer<void>);
+static_assert(!std::__libcpp_signed_integer<SomeObject>);
+
+// template <class _Tp>
+// concept __libcpp_integer;
+
+// Unsigned
+static_assert(std::__libcpp_integer<unsigned char>);
+static_assert(std::__libcpp_integer<unsigned short int>);
+static_assert(std::__libcpp_integer<unsigned int>);
+static_assert(std::__libcpp_integer<unsigned long int>);
+static_assert(std::__libcpp_integer<unsigned long long int>);
+static_assert(std::__libcpp_integer<unsigned short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_integer<__uint128_t>);
+#endif
+// Signed
+static_assert(std::__libcpp_integer<signed char>);
+static_assert(std::__libcpp_integer<short int>);
+static_assert(std::__libcpp_integer<int>);
+static_assert(std::__libcpp_integer<long int>);
+static_assert(std::__libcpp_integer<long long int>);
+static_assert(std::__libcpp_integer<short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_integer<__int128_t>);
+#endif
+// Non-integer
+static_assert(!std::__libcpp_integer<bool>);
+static_assert(!std::__libcpp_integer<char8_t>);
+static_assert(!std::__libcpp_integer<char16_t>);
+static_assert(!std::__libcpp_integer<char32_t>);
+static_assert(!std::__libcpp_integer<float>);
+static_assert(!std::__libcpp_integer<double>);
+static_assert(!std::__libcpp_integer<long double>);
+static_assert(!std::__libcpp_integer<void>);
+static_assert(!std::__libcpp_integer<SomeObject>);

>From 62385a3da20d1fe0308ee6f31fbd3abce8aef97c Mon Sep 17 00:00:00 2001
From: Zingam <zingam at outlook.com>
Date: Sun, 14 Jan 2024 17:43:13 +0200
Subject: [PATCH 2/3] Addressed comments

---
 .../arithmetic.compile.pass.cpp               | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp b/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
index aefe21d852df52..68d33f3745b1cd 100644
--- a/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
+++ b/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
@@ -10,8 +10,14 @@
 
 #include <concepts>
 
+#include "test_macros.h"
+
 struct SomeObject {};
 
+enum Enum {};
+
+enum class ScopedEnum {};
+
 // Concept helpers for the internal type traits for the fundamental types.
 
 // template <class _Tp>
@@ -39,6 +45,10 @@ static_assert(!std::__libcpp_unsigned_integer<__int128_t>);
 #endif
 // Non-integer
 static_assert(!std::__libcpp_unsigned_integer<bool>);
+static_assert(!std::__libcpp_unsigned_integer<char>);
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+static_assert(!std::__libcpp_unsigned_integer<wchar_t>);
+#endif
 static_assert(!std::__libcpp_unsigned_integer<char8_t>);
 static_assert(!std::__libcpp_unsigned_integer<char16_t>);
 static_assert(!std::__libcpp_unsigned_integer<char32_t>);
@@ -46,7 +56,10 @@ static_assert(!std::__libcpp_unsigned_integer<float>);
 static_assert(!std::__libcpp_unsigned_integer<double>);
 static_assert(!std::__libcpp_unsigned_integer<long double>);
 static_assert(!std::__libcpp_unsigned_integer<void>);
+static_assert(!std::__libcpp_unsigned_integer<int*>);
 static_assert(!std::__libcpp_unsigned_integer<SomeObject>);
+static_assert(!std::__libcpp_unsigned_integer<Enum>);
+static_assert(!std::__libcpp_unsigned_integer<ScopedEnum>);
 
 // template <class _Tp>
 // concept __libcpp_signed_integer;
@@ -73,6 +86,10 @@ static_assert(std::__libcpp_signed_integer<__int128_t>);
 #endif
 // Non-integer
 static_assert(!std::__libcpp_signed_integer<bool>);
+static_assert(!std::__libcpp_signed_integer<char>);
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+static_assert(!std::__libcpp_signed_integer<wchar_t>);
+#endif
 static_assert(!std::__libcpp_signed_integer<char8_t>);
 static_assert(!std::__libcpp_signed_integer<char16_t>);
 static_assert(!std::__libcpp_signed_integer<char32_t>);
@@ -80,7 +97,10 @@ static_assert(!std::__libcpp_signed_integer<float>);
 static_assert(!std::__libcpp_signed_integer<double>);
 static_assert(!std::__libcpp_signed_integer<long double>);
 static_assert(!std::__libcpp_signed_integer<void>);
+static_assert(!std::__libcpp_signed_integer<int*>);
 static_assert(!std::__libcpp_signed_integer<SomeObject>);
+static_assert(!std::__libcpp_signed_integer<Enum>);
+static_assert(!std::__libcpp_signed_integer<ScopedEnum>);
 
 // template <class _Tp>
 // concept __libcpp_integer;
@@ -107,6 +127,10 @@ static_assert(std::__libcpp_integer<__int128_t>);
 #endif
 // Non-integer
 static_assert(!std::__libcpp_integer<bool>);
+static_assert(!std::__libcpp_integer<char>);
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+static_assert(!std::__libcpp_integer<wchar_t>);
+#endif
 static_assert(!std::__libcpp_integer<char8_t>);
 static_assert(!std::__libcpp_integer<char16_t>);
 static_assert(!std::__libcpp_integer<char32_t>);
@@ -114,4 +138,7 @@ static_assert(!std::__libcpp_integer<float>);
 static_assert(!std::__libcpp_integer<double>);
 static_assert(!std::__libcpp_integer<long double>);
 static_assert(!std::__libcpp_integer<void>);
+static_assert(!std::__libcpp_integer<int*>);
 static_assert(!std::__libcpp_integer<SomeObject>);
+static_assert(!std::__libcpp_integer<Enum>);
+static_assert(!std::__libcpp_integer<ScopedEnum>);

>From 91eafc8f13daf842cfd5bf3a8b5eb1ea693b9746 Mon Sep 17 00:00:00 2001
From: Zingam <zingam at outlook.com>
Date: Sun, 14 Jan 2024 17:56:34 +0200
Subject: [PATCH 3/3] Split test

---
 .../__libc_integer.compile.pass.cpp           |  62 ++++++++
 .../__libcpp_signed_integer..compile.pass.cpp |  62 ++++++++
 ...__libcpp_unsigned_integer.compile.pass.cpp |  62 ++++++++
 .../arithmetic.compile.pass.cpp               | 144 ------------------
 4 files changed, 186 insertions(+), 144 deletions(-)
 create mode 100644 libcxx/test/libcxx/concepts/concepts.arithmetic/__libc_integer.compile.pass.cpp
 create mode 100644 libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_signed_integer..compile.pass.cpp
 create mode 100644 libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_unsigned_integer.compile.pass.cpp
 delete mode 100644 libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp

diff --git a/libcxx/test/libcxx/concepts/concepts.arithmetic/__libc_integer.compile.pass.cpp b/libcxx/test/libcxx/concepts/concepts.arithmetic/__libc_integer.compile.pass.cpp
new file mode 100644
index 00000000000000..52fffb96456030
--- /dev/null
+++ b/libcxx/test/libcxx/concepts/concepts.arithmetic/__libc_integer.compile.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// Concept helpers for the internal type traits for the fundamental types.
+
+// template <class _Tp>
+// concept __libcpp_integer;
+
+#include <concepts>
+
+#include "test_macros.h"
+
+struct SomeObject {};
+
+enum SomeEnum {};
+
+enum class SomeScopedEnum {};
+
+// Unsigned
+static_assert(std::__libcpp_integer<unsigned char>);
+static_assert(std::__libcpp_integer<unsigned short int>);
+static_assert(std::__libcpp_integer<unsigned int>);
+static_assert(std::__libcpp_integer<unsigned long int>);
+static_assert(std::__libcpp_integer<unsigned long long int>);
+static_assert(std::__libcpp_integer<unsigned short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_integer<__uint128_t>);
+#endif
+// Signed
+static_assert(std::__libcpp_integer<signed char>);
+static_assert(std::__libcpp_integer<short int>);
+static_assert(std::__libcpp_integer<int>);
+static_assert(std::__libcpp_integer<long int>);
+static_assert(std::__libcpp_integer<long long int>);
+static_assert(std::__libcpp_integer<short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_integer<__int128_t>);
+#endif
+// Non-integer
+static_assert(!std::__libcpp_integer<bool>);
+static_assert(!std::__libcpp_integer<char>);
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+static_assert(!std::__libcpp_integer<wchar_t>);
+#endif
+static_assert(!std::__libcpp_integer<char8_t>);
+static_assert(!std::__libcpp_integer<char16_t>);
+static_assert(!std::__libcpp_integer<char32_t>);
+static_assert(!std::__libcpp_integer<float>);
+static_assert(!std::__libcpp_integer<double>);
+static_assert(!std::__libcpp_integer<long double>);
+static_assert(!std::__libcpp_integer<void>);
+static_assert(!std::__libcpp_integer<int*>);
+static_assert(!std::__libcpp_integer<SomeObject>);
+static_assert(!std::__libcpp_integer<SomeEnum>);
+static_assert(!std::__libcpp_integer<SomeScopedEnum>);
diff --git a/libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_signed_integer..compile.pass.cpp b/libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_signed_integer..compile.pass.cpp
new file mode 100644
index 00000000000000..73ac2a7f53b83f
--- /dev/null
+++ b/libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_signed_integer..compile.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// Concept helpers for the internal type traits for the fundamental types.
+
+// template <class _Tp>
+// concept __libcpp_signed_integer;
+
+#include <concepts>
+
+#include "test_macros.h"
+
+struct SomeObject {};
+
+enum SomeEnum {};
+
+enum class SomeScopedEnum {};
+
+// Unsigned
+static_assert(!std::__libcpp_signed_integer<unsigned char>);
+static_assert(!std::__libcpp_signed_integer<unsigned short int>);
+static_assert(!std::__libcpp_signed_integer<unsigned int>);
+static_assert(!std::__libcpp_signed_integer<unsigned long int>);
+static_assert(!std::__libcpp_signed_integer<unsigned long long int>);
+static_assert(!std::__libcpp_signed_integer<unsigned short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(!std::__libcpp_signed_integer<__uint128_t>);
+#endif
+// Signed
+static_assert(std::__libcpp_signed_integer<signed char>);
+static_assert(std::__libcpp_signed_integer<short int>);
+static_assert(std::__libcpp_signed_integer<int>);
+static_assert(std::__libcpp_signed_integer<long int>);
+static_assert(std::__libcpp_signed_integer<long long int>);
+static_assert(std::__libcpp_signed_integer<short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_signed_integer<__int128_t>);
+#endif
+// Non-integer
+static_assert(!std::__libcpp_signed_integer<bool>);
+static_assert(!std::__libcpp_signed_integer<char>);
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+static_assert(!std::__libcpp_signed_integer<wchar_t>);
+#endif
+static_assert(!std::__libcpp_signed_integer<char8_t>);
+static_assert(!std::__libcpp_signed_integer<char16_t>);
+static_assert(!std::__libcpp_signed_integer<char32_t>);
+static_assert(!std::__libcpp_signed_integer<float>);
+static_assert(!std::__libcpp_signed_integer<double>);
+static_assert(!std::__libcpp_signed_integer<long double>);
+static_assert(!std::__libcpp_signed_integer<void>);
+static_assert(!std::__libcpp_signed_integer<int*>);
+static_assert(!std::__libcpp_signed_integer<SomeObject>);
+static_assert(!std::__libcpp_signed_integer<SomeEnum>);
+static_assert(!std::__libcpp_signed_integer<SomeScopedEnum>);
diff --git a/libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_unsigned_integer.compile.pass.cpp b/libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_unsigned_integer.compile.pass.cpp
new file mode 100644
index 00000000000000..824349efcf8200
--- /dev/null
+++ b/libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_unsigned_integer.compile.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// Concept helpers for the internal type traits for the fundamental types.
+
+// template <class _Tp>
+// concept __libcpp_unsigned_integer;
+
+#include <concepts>
+
+#include "test_macros.h"
+
+struct SomeObject {};
+
+enum SomeEnum {};
+
+enum class SomeScopedEnum {};
+
+// Unsigned
+static_assert(std::__libcpp_unsigned_integer<unsigned char>);
+static_assert(std::__libcpp_unsigned_integer<unsigned short int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned long int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned long long int>);
+static_assert(std::__libcpp_unsigned_integer<unsigned short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(std::__libcpp_unsigned_integer<__uint128_t>);
+#endif
+// Signed
+static_assert(!std::__libcpp_unsigned_integer<signed char>);
+static_assert(!std::__libcpp_unsigned_integer<short int>);
+static_assert(!std::__libcpp_unsigned_integer<int>);
+static_assert(!std::__libcpp_unsigned_integer<long int>);
+static_assert(!std::__libcpp_unsigned_integer<long long int>);
+static_assert(!std::__libcpp_unsigned_integer<short int>);
+#ifndef _LIBCPP_HAS_NO_INT128
+static_assert(!std::__libcpp_unsigned_integer<__int128_t>);
+#endif
+// Non-integer
+static_assert(!std::__libcpp_unsigned_integer<bool>);
+static_assert(!std::__libcpp_unsigned_integer<char>);
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+static_assert(!std::__libcpp_unsigned_integer<wchar_t>);
+#endif
+static_assert(!std::__libcpp_unsigned_integer<char8_t>);
+static_assert(!std::__libcpp_unsigned_integer<char16_t>);
+static_assert(!std::__libcpp_unsigned_integer<char32_t>);
+static_assert(!std::__libcpp_unsigned_integer<float>);
+static_assert(!std::__libcpp_unsigned_integer<double>);
+static_assert(!std::__libcpp_unsigned_integer<long double>);
+static_assert(!std::__libcpp_unsigned_integer<void>);
+static_assert(!std::__libcpp_unsigned_integer<int*>);
+static_assert(!std::__libcpp_unsigned_integer<SomeObject>);
+static_assert(!std::__libcpp_unsigned_integer<SomeEnum>);
+static_assert(!std::__libcpp_unsigned_integer<SomeScopedEnum>);
diff --git a/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp b/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
deleted file mode 100644
index 68d33f3745b1cd..00000000000000
--- a/libcxx/test/libcxx/concepts/concepts.arithmetic/arithmetic.compile.pass.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-// UNSUPPORTED: c++03, c++11, c++14, c++17
-
-#include <concepts>
-
-#include "test_macros.h"
-
-struct SomeObject {};
-
-enum Enum {};
-
-enum class ScopedEnum {};
-
-// Concept helpers for the internal type traits for the fundamental types.
-
-// template <class _Tp>
-// concept __libcpp_unsigned_integer;
-
-// Unsigned
-static_assert(std::__libcpp_unsigned_integer<unsigned char>);
-static_assert(std::__libcpp_unsigned_integer<unsigned short int>);
-static_assert(std::__libcpp_unsigned_integer<unsigned int>);
-static_assert(std::__libcpp_unsigned_integer<unsigned long int>);
-static_assert(std::__libcpp_unsigned_integer<unsigned long long int>);
-static_assert(std::__libcpp_unsigned_integer<unsigned short int>);
-#ifndef _LIBCPP_HAS_NO_INT128
-static_assert(std::__libcpp_unsigned_integer<__uint128_t>);
-#endif
-// Signed
-static_assert(!std::__libcpp_unsigned_integer<signed char>);
-static_assert(!std::__libcpp_unsigned_integer<short int>);
-static_assert(!std::__libcpp_unsigned_integer<int>);
-static_assert(!std::__libcpp_unsigned_integer<long int>);
-static_assert(!std::__libcpp_unsigned_integer<long long int>);
-static_assert(!std::__libcpp_unsigned_integer<short int>);
-#ifndef _LIBCPP_HAS_NO_INT128
-static_assert(!std::__libcpp_unsigned_integer<__int128_t>);
-#endif
-// Non-integer
-static_assert(!std::__libcpp_unsigned_integer<bool>);
-static_assert(!std::__libcpp_unsigned_integer<char>);
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-static_assert(!std::__libcpp_unsigned_integer<wchar_t>);
-#endif
-static_assert(!std::__libcpp_unsigned_integer<char8_t>);
-static_assert(!std::__libcpp_unsigned_integer<char16_t>);
-static_assert(!std::__libcpp_unsigned_integer<char32_t>);
-static_assert(!std::__libcpp_unsigned_integer<float>);
-static_assert(!std::__libcpp_unsigned_integer<double>);
-static_assert(!std::__libcpp_unsigned_integer<long double>);
-static_assert(!std::__libcpp_unsigned_integer<void>);
-static_assert(!std::__libcpp_unsigned_integer<int*>);
-static_assert(!std::__libcpp_unsigned_integer<SomeObject>);
-static_assert(!std::__libcpp_unsigned_integer<Enum>);
-static_assert(!std::__libcpp_unsigned_integer<ScopedEnum>);
-
-// template <class _Tp>
-// concept __libcpp_signed_integer;
-
-// Unsigned
-static_assert(!std::__libcpp_signed_integer<unsigned char>);
-static_assert(!std::__libcpp_signed_integer<unsigned short int>);
-static_assert(!std::__libcpp_signed_integer<unsigned int>);
-static_assert(!std::__libcpp_signed_integer<unsigned long int>);
-static_assert(!std::__libcpp_signed_integer<unsigned long long int>);
-static_assert(!std::__libcpp_signed_integer<unsigned short int>);
-#ifndef _LIBCPP_HAS_NO_INT128
-static_assert(!std::__libcpp_signed_integer<__uint128_t>);
-#endif
-// Signed
-static_assert(std::__libcpp_signed_integer<signed char>);
-static_assert(std::__libcpp_signed_integer<short int>);
-static_assert(std::__libcpp_signed_integer<int>);
-static_assert(std::__libcpp_signed_integer<long int>);
-static_assert(std::__libcpp_signed_integer<long long int>);
-static_assert(std::__libcpp_signed_integer<short int>);
-#ifndef _LIBCPP_HAS_NO_INT128
-static_assert(std::__libcpp_signed_integer<__int128_t>);
-#endif
-// Non-integer
-static_assert(!std::__libcpp_signed_integer<bool>);
-static_assert(!std::__libcpp_signed_integer<char>);
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-static_assert(!std::__libcpp_signed_integer<wchar_t>);
-#endif
-static_assert(!std::__libcpp_signed_integer<char8_t>);
-static_assert(!std::__libcpp_signed_integer<char16_t>);
-static_assert(!std::__libcpp_signed_integer<char32_t>);
-static_assert(!std::__libcpp_signed_integer<float>);
-static_assert(!std::__libcpp_signed_integer<double>);
-static_assert(!std::__libcpp_signed_integer<long double>);
-static_assert(!std::__libcpp_signed_integer<void>);
-static_assert(!std::__libcpp_signed_integer<int*>);
-static_assert(!std::__libcpp_signed_integer<SomeObject>);
-static_assert(!std::__libcpp_signed_integer<Enum>);
-static_assert(!std::__libcpp_signed_integer<ScopedEnum>);
-
-// template <class _Tp>
-// concept __libcpp_integer;
-
-// Unsigned
-static_assert(std::__libcpp_integer<unsigned char>);
-static_assert(std::__libcpp_integer<unsigned short int>);
-static_assert(std::__libcpp_integer<unsigned int>);
-static_assert(std::__libcpp_integer<unsigned long int>);
-static_assert(std::__libcpp_integer<unsigned long long int>);
-static_assert(std::__libcpp_integer<unsigned short int>);
-#ifndef _LIBCPP_HAS_NO_INT128
-static_assert(std::__libcpp_integer<__uint128_t>);
-#endif
-// Signed
-static_assert(std::__libcpp_integer<signed char>);
-static_assert(std::__libcpp_integer<short int>);
-static_assert(std::__libcpp_integer<int>);
-static_assert(std::__libcpp_integer<long int>);
-static_assert(std::__libcpp_integer<long long int>);
-static_assert(std::__libcpp_integer<short int>);
-#ifndef _LIBCPP_HAS_NO_INT128
-static_assert(std::__libcpp_integer<__int128_t>);
-#endif
-// Non-integer
-static_assert(!std::__libcpp_integer<bool>);
-static_assert(!std::__libcpp_integer<char>);
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-static_assert(!std::__libcpp_integer<wchar_t>);
-#endif
-static_assert(!std::__libcpp_integer<char8_t>);
-static_assert(!std::__libcpp_integer<char16_t>);
-static_assert(!std::__libcpp_integer<char32_t>);
-static_assert(!std::__libcpp_integer<float>);
-static_assert(!std::__libcpp_integer<double>);
-static_assert(!std::__libcpp_integer<long double>);
-static_assert(!std::__libcpp_integer<void>);
-static_assert(!std::__libcpp_integer<int*>);
-static_assert(!std::__libcpp_integer<SomeObject>);
-static_assert(!std::__libcpp_integer<Enum>);
-static_assert(!std::__libcpp_integer<ScopedEnum>);



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