1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/include/llvm/Support/COM.h b/llvm/include/llvm/Support/COM.h
new file mode 100644
index 00000000000..a2d5a7a68ba
--- /dev/null
+++ b/llvm/include/llvm/Support/COM.h
@@ -0,0 +1,36 @@
+//===- llvm/Support/COM.h ---------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+///
+/// Provides a library for accessing COM functionality of the Host OS.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_COM_H
+#define LLVM_SUPPORT_COM_H
+
+namespace llvm {
+namespace sys {
+
+enum class COMThreadingMode { SingleThreaded, MultiThreaded };
+
+class InitializeCOMRAII {
+public:
+  explicit InitializeCOMRAII(COMThreadingMode Threading,
+                             bool SpeedOverMemory = false);
+  ~InitializeCOMRAII();
+
+private:
+  InitializeCOMRAII(const InitializeCOMRAII &) = delete;
+  void operator=(const InitializeCOMRAII &) = delete;
+};
+}
+}
+
+#endif