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| author | lntue <35648136+lntue@users.noreply.github.com> | 2024-02-14 14:44:09 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-02-14 14:44:09 -0500 |
| commit | 1301bc46aea14297478bd13bcacff429e2a18c04 (patch) | |
| tree | a4d88d3a51975e01aafa7acb3f5f40b9611df6ba | |
| parent | d592c8ec8f7138dcbde6f0890d048e59cba95041 (diff) | |
[libc] Add is_fixed_point type trait. (#81263)
| -rw-r--r-- | libc/include/llvm-libc-macros/stdfix-macros.h | 2 | ||||
| -rw-r--r-- | libc/src/__support/CPP/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | libc/src/__support/CPP/type_traits.h | 1 | ||||
| -rw-r--r-- | libc/src/__support/CPP/type_traits/is_fixed_point.h | 46 | ||||
| -rw-r--r-- | utils/bazel/llvm-project-overlay/libc/BUILD.bazel | 1 |
5 files changed, 51 insertions, 1 deletions
diff --git a/libc/include/llvm-libc-macros/stdfix-macros.h b/libc/include/llvm-libc-macros/stdfix-macros.h index 7cb74adc3999..9c83dbc8ef54 100644 --- a/libc/include/llvm-libc-macros/stdfix-macros.h +++ b/libc/include/llvm-libc-macros/stdfix-macros.h @@ -11,7 +11,7 @@ #ifdef __clang__ #if (!defined(__cplusplus) || (__clang_major__ >= 18)) -// _Fract and _Accum types are avaiable +// _Fract and _Accum types are available #define LIBC_COMPILER_HAS_FIXED_POINT #endif // __cplusplus #endif // __clang__ diff --git a/libc/src/__support/CPP/CMakeLists.txt b/libc/src/__support/CPP/CMakeLists.txt index f10bb936047e..d747412791bd 100644 --- a/libc/src/__support/CPP/CMakeLists.txt +++ b/libc/src/__support/CPP/CMakeLists.txt @@ -122,6 +122,7 @@ add_header_library( type_traits/is_convertible.h type_traits/is_destructible.h type_traits/is_enum.h + type_traits/is_fixed_point.h type_traits/is_floating_point.h type_traits/is_function.h type_traits/is_integral.h @@ -155,6 +156,7 @@ add_header_library( libc.src.__support.macros.attributes libc.src.__support.macros.config libc.src.__support.macros.properties.float + libc.include.llvm-libc-macros.stdfix_macros ) add_header_library( diff --git a/libc/src/__support/CPP/type_traits.h b/libc/src/__support/CPP/type_traits.h index 1eb2f34ebee3..697cf79d6ccc 100644 --- a/libc/src/__support/CPP/type_traits.h +++ b/libc/src/__support/CPP/type_traits.h @@ -28,6 +28,7 @@ #include "src/__support/CPP/type_traits/is_convertible.h" #include "src/__support/CPP/type_traits/is_destructible.h" #include "src/__support/CPP/type_traits/is_enum.h" +#include "src/__support/CPP/type_traits/is_fixed_point.h" #include "src/__support/CPP/type_traits/is_floating_point.h" #include "src/__support/CPP/type_traits/is_function.h" #include "src/__support/CPP/type_traits/is_integral.h" diff --git a/libc/src/__support/CPP/type_traits/is_fixed_point.h b/libc/src/__support/CPP/type_traits/is_fixed_point.h new file mode 100644 index 000000000000..317ba39748b7 --- /dev/null +++ b/libc/src/__support/CPP/type_traits/is_fixed_point.h @@ -0,0 +1,46 @@ +//===-- is_fixed_point type_traits ------------------------------*- C++ -*-===// +// +// 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 +// +//===----------------------------------------------------------------------===// +#ifndef LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_FIXED_POINT_H +#define LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_FIXED_POINT_H + +#include "src/__support/CPP/type_traits/is_same.h" +#include "src/__support/CPP/type_traits/remove_cv.h" +#include "src/__support/macros/attributes.h" + +#include "include/llvm-libc-macros/stdfix-macros.h" + +namespace LIBC_NAMESPACE::cpp { + +// is_fixed_point +#ifdef LIBC_COMPILER_HAS_FIXED_POINT +template <typename T> struct is_fixed_point { +private: + template <typename Head, typename... Args> + LIBC_INLINE static constexpr bool __is_unqualified_any_of() { + return (... || is_same_v<remove_cv_t<Head>, Args>); + } + +public: + LIBC_INLINE_VAR static constexpr bool value = __is_unqualified_any_of< + T, short fract, fract, long fract, unsigned short fract, unsigned fract, + unsigned long fract, short accum, accum, long accum, unsigned short accum, + unsigned accum, unsigned long accum, short sat fract, sat fract, + long sat fract, unsigned short sat fract, unsigned sat fract, + unsigned long sat fract, short sat accum, sat accum, long sat accum, + unsigned short sat accum, unsigned sat accum, unsigned long sat accum>(); +}; +#else +template <typename T> struct is_fixed_point : false_type {}; +#endif // LIBC_COMPILER_HAS_FIXED_POINT + +template <typename T> +LIBC_INLINE_VAR constexpr bool is_fixed_point_v = is_fixed_point<T>::value; + +} // namespace LIBC_NAMESPACE::cpp + +#endif // LLVM_LIBC_SRC___SUPPORT_CPP_TYPE_TRAITS_IS_INTEGRAL_H diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel index fde2bac746f4..64e788eae34e 100644 --- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel +++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel @@ -296,6 +296,7 @@ libc_support_library( "src/__support/CPP/type_traits/is_convertible.h", "src/__support/CPP/type_traits/is_destructible.h", "src/__support/CPP/type_traits/is_enum.h", + "src/__support/CPP/type_traits/is_fixed_point.h", "src/__support/CPP/type_traits/is_floating_point.h", "src/__support/CPP/type_traits/is_function.h", "src/__support/CPP/type_traits/is_integral.h", |