1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalUnion.h b/include/llvm/CodeGen/LiveIntervalUnion.h
index 967f0cbac7194..f0f1637dc92d0 100644
--- a/include/llvm/CodeGen/LiveIntervalUnion.h
+++ b/include/llvm/CodeGen/LiveIntervalUnion.h
@@ -203,6 +203,11 @@ public:
       assert(idx <  Size && "idx out of bounds");
       return LIUs[idx];
     }
+
+    const LiveIntervalUnion& operator[](unsigned Idx) const {
+      assert(Idx < Size && "Idx out of bounds");
+      return LIUs[Idx];
+    }
   };
 };