diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp
index 9d5f1580..172381b 100644
--- a/llvm/lib/Support/CommandLine.cpp
+++ b/llvm/lib/Support/CommandLine.cpp
@@ -17,6 +17,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/CommandLine.h"
+#include "llvm-c/Support.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallString.h"
@@ -1839,3 +1840,8 @@
   GetOptionInfo(PositionalOpts, SinkOpts, Map);
   return;
 }
+
+void LLVMParseCommandLineOptions(int argc, const char *const *argv,
+                                 const char *Overview) {
+  llvm::cl::ParseCommandLineOptions(argc, argv, Overview);
+}