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- // -*- 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 _LIBCPP___ASSERT
- #define _LIBCPP___ASSERT
- #include <__config>
- #include <__verbose_abort>
- #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
- # pragma GCC system_header
- #endif
- #define _LIBCPP_ASSERT(expression, message) \
- (__builtin_expect(static_cast<bool>(expression), 1) \
- ? (void)0 \
- : _LIBCPP_VERBOSE_ABORT( \
- "%s:%d: assertion %s failed: %s\n", __builtin_FILE(), __builtin_LINE(), #expression, message))
- // TODO: __builtin_assume can currently inhibit optimizations. Until this has been fixed and we can add
- // assumptions without a clear optimization intent, disable that to avoid worsening the code generation.
- // See https://discourse.llvm.org/t/llvm-assume-blocks-optimization/71609 for a discussion.
- #if 0 && __has_builtin(__builtin_assume)
- # define _LIBCPP_ASSUME(expression) \
- (_LIBCPP_DIAGNOSTIC_PUSH _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wassume") \
- __builtin_assume(static_cast<bool>(expression)) _LIBCPP_DIAGNOSTIC_POP)
- #else
- # define _LIBCPP_ASSUME(expression) ((void)0)
- #endif
- #endif // _LIBCPP___ASSERT
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