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       1              : //===----------------------------------------------------------------------===//
       2              : //
       3              : // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
       4              : // See https://llvm.org/LICENSE.txt for license information.
       5              : // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
       6              : //
       7              : //===----------------------------------------------------------------------===//
       8              : 
       9              : #ifndef _LIBCPP___TYPE_TRAITS_IS_CONSTANT_EVALUATED_H
      10              : #define _LIBCPP___TYPE_TRAITS_IS_CONSTANT_EVALUATED_H
      11              : 
      12              : #include <__config>
      13              : 
      14              : #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
      15              : #  pragma GCC system_header
      16              : #endif
      17              : 
      18              : _LIBCPP_BEGIN_NAMESPACE_STD
      19              : 
      20              : #if _LIBCPP_STD_VER > 17
      21              : _LIBCPP_INLINE_VISIBILITY
      22              : inline constexpr bool is_constant_evaluated() noexcept {
      23              :   return __builtin_is_constant_evaluated();
      24              : }
      25              : #endif
      26              : 
      27              : _LIBCPP_HIDE_FROM_ABI inline _LIBCPP_CONSTEXPR
      28       230631 : bool __libcpp_is_constant_evaluated() _NOEXCEPT { return __builtin_is_constant_evaluated(); }
      29              : 
      30              : _LIBCPP_END_NAMESPACE_STD
      31              : 
      32              : #endif // _LIBCPP___TYPE_TRAITS_IS_CONSTANT_EVALUATED_H