1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SplitKit.h b/llvm/lib/CodeGen/SplitKit.h
index 5a294e50554..d8fc2122a3c 100644
--- a/llvm/lib/CodeGen/SplitKit.h
+++ b/llvm/lib/CodeGen/SplitKit.h
@@ -315,6 +315,11 @@ private:
   /// in the vector in the complement interval.
   void removeBackCopies(SmallVectorImpl<VNInfo*> &Copies);
 
+  /// getShallowDominator - Returns the least busy dominator of MBB that is
+  /// also dominated by DefMBB.  Busy is measured by loop depth.
+  MachineBasicBlock *findShallowDominator(MachineBasicBlock *MBB,
+                                          MachineBasicBlock *DefMBB);
+
   /// hoistCopiesForSize - Hoist back-copies to the complement interval in a
   /// way that minimizes code size. This implements the SM_Size spill mode.
   void hoistCopiesForSize();