diff --git a/llvm/lib/Analysis/MemoryLocation.cpp b/llvm/lib/Analysis/MemoryLocation.cpp
index df863d6..3cd4b44 100644
--- a/llvm/lib/Analysis/MemoryLocation.cpp
+++ b/llvm/lib/Analysis/MemoryLocation.cpp
@@ -26,8 +26,10 @@
     OS << "mapEmpty";
   else if (*this == mapTombstone())
     OS << "mapTombstone";
-  else
+  else if (isPrecise())
     OS << "precise(" << getValue() << ')';
+  else
+    OS << "upperBound(" << getValue() << ')';
 }
 
 MemoryLocation MemoryLocation::get(const LoadInst *LI) {