diff --git a/llvm/include/llvm/ADT/iterator_range.h b/llvm/include/llvm/ADT/iterator_range.h
--- a/llvm/include/llvm/ADT/iterator_range.h
+++ b/llvm/include/llvm/ADT/iterator_range.h
@@ -46,6 +46,10 @@
   bool empty() const { return begin_iterator == end_iterator; }
 };
 
+template <typename Container>
+iterator_range(Container &&)
+    -> iterator_range<decltype(std::declval<Container>().begin())>;
+
 /// Convenience function for iterating over sub-ranges.
 ///
 /// This provides a bit of syntactic sugar to make using sub-ranges