Move unittest driver to utils/unittest/UnitTestMain.
 - This eliminates a race between building the unittests and linking the
   UnitTestMain library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/unittest/UnitTestMain/TestMain.cpp b/utils/unittest/UnitTestMain/TestMain.cpp
new file mode 100644
index 0000000..d97dca8
--- /dev/null
+++ b/utils/unittest/UnitTestMain/TestMain.cpp
@@ -0,0 +1,15 @@
+//===--- 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 "gtest/gtest.h"
+
+int main(int argc, char **argv) {
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}