diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 9ee4192..12ba6ac 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -5347,7 +5347,7 @@
 
   if (ViewISelDAGs) DAG.viewGraph();
   
-  if (EnableValueProp)  // FIXME: Only do this if !fast.
+  if (!FastISel && EnableValueProp)
     ComputeLiveOutVRegInfo(DAG);
 
   // Third, instruction select all of the operations to machine code, adding the