--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils/unittest/UnitTestMain/TestMain.cpp	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,49 @@
+//===--- utils/unittest/UnitTestMain/TestMain.cpp - unittest driver -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Config/config.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Signals.h"
+#include "gtest/gtest.h"
+
+
+#if defined(LLVM_ON_WIN32)
+# include <windows.h>
+# if defined(_MSC_VER)
+#   include <crtdbg.h>
+# endif
+#endif
+
+const char *TestMainArgv0;
+
+int main(int argc, char **argv) {
+  llvm::sys::PrintStackTraceOnErrorSignal();
+  testing::InitGoogleTest(&argc, argv);
+  llvm::cl::ParseCommandLineOptions(argc, argv);
+
+  // Make it easy for a test to re-execute itself by saving argv[0].
+  TestMainArgv0 = argv[0];
+
+# if defined(LLVM_ON_WIN32)
+  // Disable all of the possible ways Windows conspires to make automated
+  // testing impossible.
+  ::SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
+#   if defined(_MSC_VER)
+    ::_set_error_mode(_OUT_TO_STDERR);
+    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
+    _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
+    _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
+    _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
+    _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
+    _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
+#   endif
+# endif
+
+  return RUN_ALL_TESTS();
+}