1 files changed, 30 insertions, 0 deletions
diff --git a/COFF/Strings.cpp b/COFF/Strings.cpp
new file mode 100644
index 000000000000..d0558413f673
--- /dev/null
+++ b/COFF/Strings.cpp
@@ -0,0 +1,30 @@
+//===- Strings.cpp -------------------------------------------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Strings.h"
+
+#if defined(_MSC_VER)
+#include <Windows.h>
+#include <DbgHelp.h>
+#pragma comment(lib, "dbghelp.lib")
+#endif
+
+using namespace lld;
+using namespace lld::coff;
+using namespace llvm;
+
+Optional<std::string> coff::demangle(StringRef S) {
+#if defined(_MSC_VER)
+  char Buf[4096];
+  if (S.startswith("?"))
+    if (size_t Len = UnDecorateSymbolName(S.str().c_str(), Buf, sizeof(Buf), 0))
+      return std::string(Buf, Len);
+#endif
+  return None;
+}