#include "llvm/Config/llvm-config.h"
+#if defined(_MSC_VER)
+#include <sal.h>
+#endif
+
#ifndef __has_feature
# define __has_feature(x) 0
#endif
#define LLVM_LVALUE_FUNCTION
#endif
-#if __has_feature(cxx_constexpr) || defined(__GXX_EXPERIMENTAL_CXX0X__)
+#if __has_feature(cxx_constexpr) || defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1900)
# define LLVM_CONSTEXPR constexpr
#else
# define LLVM_CONSTEXPR
#if __has_attribute(warn_unused_result) || LLVM_GNUC_PREREQ(3, 4, 0)
#define LLVM_ATTRIBUTE_UNUSED_RESULT __attribute__((__warn_unused_result__))
+#elif defined(_MSC_VER)
+#define LLVM_ATTRIBUTE_UNUSED_RESULT _Check_return_
#else
#define LLVM_ATTRIBUTE_UNUSED_RESULT
#endif
#if __has_attribute(returns_nonnull) || LLVM_GNUC_PREREQ(4, 9, 0)
#define LLVM_ATTRIBUTE_RETURNS_NONNULL __attribute__((returns_nonnull))
+#elif defined(_MSC_VER)
+#define LLVM_ATTRIBUTE_RETURNS_NONNULL _Ret_notnull_
#else
#define LLVM_ATTRIBUTE_RETURNS_NONNULL
#endif