Update for API change.

llvm-svn: 19960
diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index d5a8a5c..cf937eb 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -1019,7 +1019,7 @@
       else
         Out << ':' << SlotNum; // Print out the def slot taken.
     }
-    Out << " [#uses=" << V.use_size() << ']';  // Output # uses
+    Out << " [#uses=" << V.getNumUses() << ']';  // Output # uses
   }
 }