1 files changed, 15 insertions, 1 deletions
diff --git a/include/llvm/ADT/DepthFirstIterator.h b/include/llvm/ADT/DepthFirstIterator.h
index dfba43f3ac85..6cd9e68aea56 100644
--- a/include/llvm/ADT/DepthFirstIterator.h
+++ b/include/llvm/ADT/DepthFirstIterator.h
@@ -33,10 +33,10 @@
 #ifndef LLVM_ADT_DEPTHFIRSTITERATOR_H
 #define LLVM_ADT_DEPTHFIRSTITERATOR_H
 
-#include "llvm/ADT/iterator_range.h"
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/PointerIntPair.h"
 #include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/iterator_range.h"
 #include <set>
 #include <vector>
 
@@ -231,6 +231,13 @@ df_ext_iterator<T, SetTy> df_ext_end(const T& G, SetTy &S) {
   return df_ext_iterator<T, SetTy>::end(G, S);
 }
 
+template <class T, class SetTy>
+iterator_range<df_ext_iterator<T, SetTy>> depth_first_ext(const T& G,
+                                                          SetTy &S) {
+  return iterator_range<df_ext_iterator<T, SetTy>>(df_ext_begin(G, S),
+                                                   df_ext_end(G, S));
+}
+
 
 // Provide global definitions of inverse depth first iterators...
 template <class T,
@@ -276,6 +283,13 @@ idf_ext_iterator<T, SetTy> idf_ext_end(const T& G, SetTy &S) {
   return idf_ext_iterator<T, SetTy>::end(Inverse<T>(G), S);
 }
 
+template <class T, class SetTy>
+iterator_range<idf_ext_iterator<T, SetTy>> inverse_depth_first_ext(const T& G,
+                                                                   SetTy &S) {
+  return iterator_range<idf_ext_iterator<T, SetTy>>(idf_ext_begin(G, S),
+                                                    idf_ext_end(G, S));
+}
+
 } // End llvm namespace
 
 #endif