1 files changed, 5 insertions, 4 deletions
diff --git a/include/llvm/ADT/StringExtras.h b/include/llvm/ADT/StringExtras.h
index 3c53ade..acbed66 100644
--- a/include/llvm/ADT/StringExtras.h
+++ b/include/llvm/ADT/StringExtras.h
@@ -14,7 +14,7 @@
 #ifndef LLVM_ADT_STRINGEXTRAS_H
 #define LLVM_ADT_STRINGEXTRAS_H
 
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/DataTypes.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/StringRef.h"
 #include <cctype>
@@ -25,10 +25,11 @@
 namespace llvm {
 template<typename T> class SmallVectorImpl;
 
-/// hexdigit - Return the (uppercase) hexadecimal character for the
+/// hexdigit - Return the hexadecimal character for the
 /// given number \arg X (which should be less than 16).
-static inline char hexdigit(unsigned X) {
-  return X < 10 ? '0' + X : 'A' + X - 10;
+static inline char hexdigit(unsigned X, bool LowerCase = false) {
+  const char HexChar = LowerCase ? 'a' : 'A';
+  return X < 10 ? '0' + X : HexChar + X - 10;
 }
 
 /// utohex_buffer - Emit the specified number into the buffer specified by