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-rw-r--r--include/llvm/Support/Compiler.h35
1 files changed, 34 insertions, 1 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index b3416bbfffb68..fae0d8f4419ee 100644
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -17,6 +17,10 @@
#include "llvm/Config/llvm-config.h"
+#if defined(_MSC_VER)
+#include <sal.h>
+#endif
+
#ifndef __has_feature
# define __has_feature(x) 0
#endif
@@ -92,7 +96,7 @@
#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
@@ -124,6 +128,8 @@
#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
@@ -206,6 +212,8 @@
#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
@@ -266,6 +274,23 @@
# define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0
#endif
+/// LLVM_BUILTIN_DEBUGTRAP - On compilers which support it, expands to
+/// an expression which causes the program to break while running
+/// under a debugger.
+#if __has_builtin(__builtin_debugtrap)
+# define LLVM_BUILTIN_DEBUGTRAP __builtin_debugtrap()
+#elif defined(_MSC_VER)
+// The __debugbreak intrinsic is supported by MSVC and breaks while
+// running under the debugger, and also supports invoking a debugger
+// when the OS is configured appropriately.
+# define LLVM_BUILTIN_DEBUGTRAP __debugbreak()
+#else
+// Just continue execution when built with compilers that have no
+// support. This is a debugging aid and not intended to force the
+// program to abort if encountered.
+# define LLVM_BUILTIN_DEBUGTRAP
+#endif
+
/// \macro LLVM_ASSUME_ALIGNED
/// \brief Returns a pointer with an assumed alignment.
#if __has_builtin(__builtin_assume_aligned) || LLVM_GNUC_PREREQ(4, 7, 0)
@@ -407,6 +432,14 @@ void AnnotateIgnoreWritesEnd(const char *file, int line);
# define TsanIgnoreWritesEnd()
#endif
+/// \macro LLVM_NO_SANITIZE
+/// \brief Disable a particular sanitizer for a function.
+#if __has_attribute(no_sanitize)
+#define LLVM_NO_SANITIZE(KIND) __attribute__((no_sanitize(KIND)))
+#else
+#define LLVM_NO_SANITIZE(KIND)
+#endif
+
/// \brief Mark debug helper function definitions like dump() that should not be
/// stripped from debug builds.
// FIXME: Move this to a private config.h as it's not usable in public headers.