llvm-capstone/libc/include/__llvm-libc-common.h
Michael Jones 9b8a64b88d [libc] add noexcept to external function headers
To improve code generation for C++ code that directly includes our
headers, the external function definitions will now be marked noexcept.
This may not be necessary for the internal definitions since we build
with the -fno-exceptions flag.

Reviewed By: sivachandra

Differential Revision: https://reviews.llvm.org/D141095
2023-01-06 11:43:43 -08:00

55 lines
1.1 KiB
C

//===-- Common definitions for LLVM-libc public header files --------------===//
//
// 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___COMMON_H
#define LLVM_LIBC___COMMON_H
#ifdef __cplusplus
#undef __BEGIN_C_DECLS
#define __BEGIN_C_DECLS extern "C" {
#undef __END_C_DECLS
#define __END_C_DECLS }
#undef _Noreturn
#define _Noreturn [[noreturn]]
#undef _Alignas
#define _Alignas alignas
#undef _Static_assert
#define _Static_assert static_assert
#undef _Alignof
#define _Alignof alignof
#undef _Thread_local
#define _Thread_local thread_local
#undef __NOEXCEPT
#define __NOEXCEPT noexcept
#else // not __cplusplus
#undef __BEGIN_C_DECLS
#define __BEGIN_C_DECLS
#undef __END_C_DECLS
#define __END_C_DECLS
#undef __restrict
#define __restrict restrict // C99 and above support the restrict keyword.
#undef __NOEXCEPT
#define __NOEXCEPT
#endif // __cplusplus
#endif // LLVM_LIBC___COMMON_H