Change the SplitEditor interface to a single instance can be shared for multiple splits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126912 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.h b/lib/CodeGen/SplitKit.h
index 7b30361..28c5c60 100644
--- a/lib/CodeGen/SplitKit.h
+++ b/lib/CodeGen/SplitKit.h
@@ -268,10 +268,10 @@
   /// Create a new SplitEditor for editing the LiveInterval analyzed by SA.
   /// Newly created intervals will be appended to newIntervals.
   SplitEditor(SplitAnalysis &SA, LiveIntervals&, VirtRegMap&,
-              MachineDominatorTree&, LiveRangeEdit&);
+              MachineDominatorTree&);
 
-  /// getAnalysis - Get the corresponding analysis.
-  SplitAnalysis &getAnalysis() { return SA; }
+  /// reset - Prepare for a new split.
+  void reset(LiveRangeEdit&);
 
   /// Create a new virtual register and live interval.
   void openIntv();