1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/SpillPlacement.h b/lib/CodeGen/SpillPlacement.h
index 03dd58d6e9a9..9b9ecccf9049 100644
--- a/lib/CodeGen/SpillPlacement.h
+++ b/lib/CodeGen/SpillPlacement.h
@@ -29,6 +29,7 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/SparseSet.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/Support/BlockFrequency.h"
 
@@ -66,6 +67,9 @@ class SpillPlacement : public MachineFunctionPass {
   /// its inputs falls in the open interval (-Threshold;Threshold).
   BlockFrequency Threshold;
 
+  /// List of nodes that need to be updated in ::iterate.
+  SparseSet<unsigned> TodoList;
+
 public:
   static char ID; // Pass identification, replacement for typeid.
 
@@ -157,6 +161,8 @@ private:
 
   void activate(unsigned);
   void setThreshold(const BlockFrequency &Entry);
+
+  bool update(unsigned);
 };
 
 } // end namespace llvm