diff options
Diffstat (limited to 'include/llvm/Support/Compiler.h')
| -rw-r--r-- | include/llvm/Support/Compiler.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index c32a48546c..13920fcc5a 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -391,4 +391,16 @@ # define LLVM_STATIC_ASSERT(expr, msg) #endif +/// \macro LLVM_ENUM_INT_TYPE +/// \brief Expands to colon followed by the given integral type on compilers +/// which support C++11 strong enums. This can be used to make enums unsigned +/// with MSVC. +#if __has_feature(cxx_strong_enums) +# define LLVM_ENUM_INT_TYPE(intty) : intty +#elif defined(_MSC_VER) && _MSC_VER >= 1600 // Added in MSVC 2010. +# define LLVM_ENUM_INT_TYPE(intty) : intty +#else +# define LLVM_ENUM_INT_TYPE(intty) +#endif + #endif |