Tweak debug output. No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127006 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index eada8f9..14e376d 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -627,7 +627,12 @@
     if (Inserts)
       GlobalCost += Inserts * SpillPlacer->getBlockFrequency(BC.Number);
   }
-  DEBUG(dbgs() << "Global cost = " << GlobalCost << '\n');
+  DEBUG({
+    dbgs() << "Global cost = " << GlobalCost << " with bundles";
+    for (int i = LiveBundles.find_first(); i>=0; i = LiveBundles.find_next(i))
+      dbgs() << " EB#" << i;
+    dbgs() << ".\n";
+  });
   return GlobalCost;
 }