forked from OSchip/llvm-project
48 lines
2.2 KiB
C
48 lines
2.2 KiB
C
//===-- int_util.h - internal utility functions ---------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is not part of the interface of this library.
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//
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// This file defines non-inline utilities which are available for use in the
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// library. The function definitions themselves are all contained in int_util.c
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// which will always be compiled into any compiler-rt library.
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//
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//===----------------------------------------------------------------------===//
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#ifndef INT_UTIL_H
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#define INT_UTIL_H
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/// \brief Trigger a program abort (or panic for kernel code).
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#define compilerrt_abort() __compilerrt_abort_impl(__FILE__, __LINE__, __func__)
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NORETURN void __compilerrt_abort_impl(const char *file, int line,
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const char *function);
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#define COMPILE_TIME_ASSERT(expr) COMPILE_TIME_ASSERT1(expr, __COUNTER__)
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#define COMPILE_TIME_ASSERT1(expr, cnt) COMPILE_TIME_ASSERT2(expr, cnt)
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#define COMPILE_TIME_ASSERT2(expr, cnt) \
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typedef char ct_assert_##cnt[(expr) ? 1 : -1] UNUSED
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// Force unrolling the code specified to be repeated N times.
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#define REPEAT_0_TIMES(code_to_repeat) /* do nothing */
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#define REPEAT_1_TIMES(code_to_repeat) code_to_repeat
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#define REPEAT_2_TIMES(code_to_repeat) \
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REPEAT_1_TIMES(code_to_repeat) \
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code_to_repeat
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#define REPEAT_3_TIMES(code_to_repeat) \
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REPEAT_2_TIMES(code_to_repeat) \
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code_to_repeat
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#define REPEAT_4_TIMES(code_to_repeat) \
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REPEAT_3_TIMES(code_to_repeat) \
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code_to_repeat
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#define REPEAT_N_TIMES_(N, code_to_repeat) REPEAT_##N##_TIMES(code_to_repeat)
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#define REPEAT_N_TIMES(N, code_to_repeat) REPEAT_N_TIMES_(N, code_to_repeat)
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#endif // INT_UTIL_H
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