# endif
#endif
+/// \macro LLVM_MSC_PREREQ
+/// \brief Is the compiler MSVC of at least the specified version?
+/// The common \param version values to check for are:
+/// * 1600: Microsoft Visual Studio 2010
+/// * 1700: Microsoft Visual Studio 2012
+/// * 1800: Microsoft Visual Studio 2013
+#define LLVM_MSC_PREREQ(version) \
+ (defined(_MSC_VER) && _MSC_VER >= (version))
+
/// \brief Does the compiler support r-value references?
/// This implies that <utility> provides the one-argument std::move; it
/// does not imply the existence of any other C++ library features.
-#if (__has_feature(cxx_rvalue_references) \
- || defined(__GXX_EXPERIMENTAL_CXX0X__) \
- || (defined(_MSC_VER) && _MSC_VER >= 1600))
+#if __has_feature(cxx_rvalue_references) || \
+ defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1600)
#define LLVM_HAS_RVALUE_REFERENCES 1
#else
#define LLVM_HAS_RVALUE_REFERENCES 0
/// * {true,false}_type
/// * is_constructible
/// * etc...
-#if defined(__GXX_EXPERIMENTAL_CXX0X__) \
- || (defined(_MSC_VER) && _MSC_VER >= 1700)
+#if defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1700)
#define LLVM_HAS_CXX11_TYPETRAITS 1
#else
#define LLVM_HAS_CXX11_TYPETRAITS 0
/// \brief Does the compiler have the C++11 standard library.
///
/// Implies LLVM_HAS_RVALUE_REFERENCES, LLVM_HAS_CXX11_TYPETRAITS
-#if defined(__GXX_EXPERIMENTAL_CXX0X__) \
- || (defined(_MSC_VER) && _MSC_VER >= 1700)
+#if defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1700)
#define LLVM_HAS_CXX11_STDLIB 1
#else
#define LLVM_HAS_CXX11_STDLIB 0
/// LLVM_FINAL - Expands to 'final' if the compiler supports it.
/// Use to mark classes or virtual methods as final.
-#if __has_feature(cxx_override_control) \
- || (defined(_MSC_VER) && _MSC_VER >= 1700)
+#if __has_feature(cxx_override_control) || LLVM_MSC_PREREQ(1700)
#define LLVM_FINAL final
#else
#define LLVM_FINAL
/// LLVM_OVERRIDE - Expands to 'override' if the compiler supports it.
/// Use to mark virtual methods as overriding a base class method.
-#if __has_feature(cxx_override_control) \
- || (defined(_MSC_VER) && _MSC_VER >= 1700)
+#if __has_feature(cxx_override_control) || LLVM_MSC_PREREQ(1700)
#define LLVM_OVERRIDE override
#else
#define LLVM_OVERRIDE
/// \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.
+#if __has_feature(cxx_strong_enums) || LLVM_MSC_PREREQ(1600)
# define LLVM_ENUM_INT_TYPE(intty) : intty
#else
# define LLVM_ENUM_INT_TYPE(intty)
/// \brief Does the compiler support C++11 semantics for strongly typed forward
/// declared enums?
-#if __has_feature(cxx_strong_enums)
-#define LLVM_HAS_STRONG_ENUMS 1
-#elif defined(_MSC_VER) && _MSC_VER >= 1700 // Added in MSVC 2012.
+#if __has_feature(cxx_strong_enums) || LLVM_MSC_PREREQ(1700)
#define LLVM_HAS_STRONG_ENUMS 1
#else
#define LLVM_HAS_STRONG_ENUMS 0