diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 128057d..9e99890 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -304,10 +304,13 @@
     BranchProbability DefaultProb;
   };
 
-  /// Check whether a range of clusters is dense enough for a jump table.
-  bool isDense(const CaseClusterVector &Clusters,
-               const SmallVectorImpl<unsigned> &TotalCases,
-               unsigned First, unsigned Last, unsigned MinDensity) const;
+  /// Return the range of value in [First..Last].
+  uint64_t getJumpTableRange(const CaseClusterVector &Clusters, unsigned First,
+                             unsigned Last) const;
+
+  /// Return the number of cases in [First..Last].
+  uint64_t getJumpTableNumCases(const SmallVectorImpl<unsigned> &TotalCases,
+                                unsigned First, unsigned Last) const;
 
   /// Build a jump table cluster from Clusters[First..Last]. Returns false if it
   /// decides it's not a good idea.
@@ -319,14 +322,6 @@
   void findJumpTables(CaseClusterVector &Clusters, const SwitchInst *SI,
                       MachineBasicBlock *DefaultMBB);
 
-  /// Check whether the range [Low,High] fits in a machine word.
-  bool rangeFitsInWord(const APInt &Low, const APInt &High);
-
-  /// Check whether these clusters are suitable for lowering with bit tests based
-  /// on the number of destinations, comparison metric, and range.
-  bool isSuitableForBitTests(unsigned NumDests, unsigned NumCmps,
-                             const APInt &Low, const APInt &High);
-
   /// Build a bit test cluster from Clusters[First..Last]. Returns false if it
   /// decides it's not a good idea.
   bool buildBitTests(CaseClusterVector &Clusters, unsigned First, unsigned Last,