diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 1db78fe..b3251b0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3788,6 +3788,7 @@
       return "<<Unknown Target Node>>";
     }
    
+  case ISD::PREFETCH:      return "Prefetch";
   case ISD::MEMBARRIER:    return "MemBarrier";
   case ISD::ATOMIC_LCS:    return "AtomicLCS";
   case ISD::ATOMIC_LAS:    return "AtomicLAS";