Add iterator_range::end() predicate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248447 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/iterator_range.h b/include/llvm/ADT/iterator_range.h
index 3dd679bd9b79ee87a71bf543361b66eb3db9031f..6a83a0cbbbc5170428eaf2d325c75f2c9d3db037 100644 (file)
--- a/include/llvm/ADT/iterator_range.h
+++ b/include/llvm/ADT/iterator_range.h
@@ -45,6 +45,7 @@ public:
 
   IteratorT begin() const { return begin_iterator; }
   IteratorT end() const { return end_iterator; }
+  bool empty() const { return begin_iterator == end_iterator; }
 };
 
 /// \brief Convenience function for iterating over sub-ranges.