diff --git a/llvm/include/llvm/ADT/SmallString.h b/llvm/include/llvm/ADT/SmallString.h
index 7d3bff6685ab..fe97807d244d 100644
--- a/llvm/include/llvm/ADT/SmallString.h
+++ b/llvm/include/llvm/ADT/SmallString.h
@@ -15,6 +15,7 @@
 #define LLVM_ADT_SMALLSTRING_H
 
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/Support/DataTypes.h"
 #include <cstring>
 
@@ -45,6 +46,8 @@ public:
     return this->begin();
   }
 
+  StringRef str() const { return StringRef(this->begin(), this->size()); }
+
   // Extra operators.
   const SmallString &operator=(const char *RHS) {
     this->clear();