diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 3b388dc..5231640 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -2741,7 +2741,7 @@
         APInt Max = APIntOps::smax(StartRange.getSignedMax(),
                                    EndRange.getSignedMax());
         if (Min.isMinSignedValue() && Max.isMaxSignedValue())
-          return ConstantRange(Min.getBitWidth(), /*isFullSet=*/true);
+          return FullSet;
         return ConstantRange(Min, Max+1);
       }
     }