Amend debug output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128398 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index b69a307..a9ad731 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -95,9 +95,10 @@
     assert(fixed && "Couldn't fix broken live interval");
   }
 
-  DEBUG(dbgs() << "  counted "
+  DEBUG(dbgs() << "Analyze counted "
                << UsingInstrs.size() << " instrs, "
-               << UsingBlocks.size() << " blocks.\n");
+               << UsingBlocks.size() << " blocks, "
+               << LiveBlocks.size() << " spanned.\n");
 }
 
 /// calcLiveBlockInfo - Fill the LiveBlocks array with information about blocks