1 files changed, 3 insertions, 9 deletions
diff --git a/llvm/lib/CodeGen/SplitKit.h b/llvm/lib/CodeGen/SplitKit.h
index 6bff9e882a4..69c65ff3f61 100644
--- a/llvm/lib/CodeGen/SplitKit.h
+++ b/llvm/lib/CodeGen/SplitKit.h
@@ -18,7 +18,6 @@
 #include "LiveRangeCalc.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/IntervalMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
 
@@ -330,14 +329,9 @@ private:
   MachineBasicBlock *findShallowDominator(MachineBasicBlock *MBB,
                                           MachineBasicBlock *DefMBB);
 
-  /// Find out all the backCopies dominated by others.
-  void computeRedundantBackCopies(DenseSet<unsigned> &NotToHoistSet,
-                                  SmallVectorImpl<VNInfo *> &BackCopies);
-
-  /// Hoist back-copies to the complement interval. It tries to hoist all
-  /// the back-copies to one BB if it is beneficial, or else simply remove
-  /// redundent backcopies dominated by others.
-  void hoistCopies();
+  /// hoistCopiesForSize - Hoist back-copies to the complement interval in a
+  /// way that minimizes code size. This implements the SM_Size spill mode.
+  void hoistCopiesForSize();
 
   /// transferValues - Transfer values to the new ranges.
   /// Return true if any ranges were skipped.