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-rw-r--r--include/llvm/Support/Compiler.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index 96af756dde..36539f6d34 100644
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -15,6 +15,8 @@
#ifndef LLVM_SUPPORT_COMPILER_H
#define LLVM_SUPPORT_COMPILER_H
+#include "llvm/Config/config.h"
+
#ifndef __has_feature
# define __has_feature(x) 0
#endif
@@ -293,4 +295,20 @@
# define LLVM_FUNCTION_NAME __func__
#endif
+/// \macro LLVM_ENABLE_MSAN_ANNOTATIONS
+/// \brief Are MemorySanitizer annotations available.
+#if defined(HAVE_SANITIZER_MSAN_INTERFACE_H)
+# include <sanitizer/msan_interface.h>
+#else
+# define __msan_allocated_memory(p, size)
+#endif
+
+/// \macro LLVM_MEMORY_SANITIZER_BUILD
+/// \brief Whether LLVM itself is built with MemorySanitizer instrumentation.
+#if __has_feature(memory_sanitizer)
+# define LLVM_MEMORY_SANITIZER_BUILD 1
+#else
+# define LLVM_MEMORY_SANITIZER_BUILD 0
+#endif
+
#endif