diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 1b8509b..ad57284 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -861,6 +861,10 @@
           OS << "?";
         else
           OS << vni->def;
+        if (vni->hasPHIKill())
+          OS << "-phikill";
+        if (vni->hasRedefByEC())
+          OS << "-ec";
       }
     }
   }