Add StringRef::{rfind, rsplit}

llvm-svn: 82087
diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp
new file mode 100644
index 0000000..4751f06
--- /dev/null
+++ b/llvm/lib/Support/StringRef.cpp
@@ -0,0 +1,13 @@
+//===-- StringRef.cpp - Lightweight String References ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/StringRef.h"
+using namespace llvm;
+
+const size_t StringRef::npos;