1 files changed, 8 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalUnion.h b/include/llvm/CodeGen/LiveIntervalUnion.h
index 2f40509a1111..1381c46a2750 100644
--- a/include/llvm/CodeGen/LiveIntervalUnion.h
+++ b/include/llvm/CodeGen/LiveIntervalUnion.h
@@ -84,10 +84,16 @@ public:
   bool changedSince(unsigned tag) const { return tag != Tag; }
 
   // Add a live virtual register to this union and merge its segments.
-  void unify(LiveInterval &VirtReg);
+  void unify(LiveInterval &VirtReg, const LiveRange &Range);
+  void unify(LiveInterval &VirtReg) {
+    unify(VirtReg, VirtReg);
+  }
 
   // Remove a live virtual register's segments from this union.
-  void extract(LiveInterval &VirtReg);
+  void extract(LiveInterval &VirtReg, const LiveRange &Range);
+  void extract(LiveInterval &VirtReg) {
+    extract(VirtReg, VirtReg);
+  }
 
   // Remove all inserted virtual registers.
   void clear() { Segments.clear(); ++Tag; }