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Introduce LLVM_STATIC_ASSERT macro, which expands to C/C++'s static_assert on compilers which support it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Argyrios Kyrtzidis 2013-03-22 03:10:51 +00:00
parent f0b0f1f9d9
commit d1995b2a36
1 changed files with 10 additions and 0 deletions
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10
include/llvm/Support/Compiler.h
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@ -351,4 +351,14 @@
#define LLVM_EXPLICIT
#endif
/// \macro LLVM_STATIC_ASSERT
/// \brief Expands to C/C++'s static_assert on compilers which support it.
#if __has_feature(cxx_static_assert)
# define LLVM_STATIC_ASSERT(expr, msg) static_assert(expr, msg)
#elif __has_feature(c_static_assert)
# define LLVM_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg)
#else
# define LLVM_STATIC_ASSERT(expr, msg)
#endif
#endif