--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/llvm/Support/PluginLoader.h	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,37 @@
+//===-- llvm/Support/PluginLoader.h - Plugin Loader for Tools ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// A tool can #include this file to get a -load option that allows the user to
+// load arbitrary shared objects into the tool's address space.  Note that this
+// header can only be included by a program ONCE, so it should never to used by
+// library authors.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_PLUGINLOADER_H
+#define LLVM_SUPPORT_PLUGINLOADER_H
+
+#include "llvm/Support/CommandLine.h"
+
+namespace llvm {
+  struct PluginLoader {
+    void operator=(const std::string &Filename);
+    static unsigned getNumPlugins();
+    static std::string& getPlugin(unsigned num);
+  };
+
+#ifndef DONT_GET_PLUGIN_LOADER_OPTION
+  // This causes operator= above to be invoked for every -load option.
+  static cl::opt<PluginLoader, false, cl::parser<std::string> >
+    LoadOpt("load", cl::ZeroOrMore, cl::value_desc("pluginfilename"),
+            cl::desc("Load the specified plugin"));
+#endif
+}
+
+#endif