Moved some more index operations over to LiveIntervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81605 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 4eb3eab..38b9401 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -167,7 +167,7 @@
   ranges.erase(next(I), MergeTo);
 
   // Update kill info.
-  ValNo->removeKills(OldEnd, I->end.prevSlot());
+  ValNo->removeKills(OldEnd, I->end.prevSlot_());
 
   // If the newly formed range now touches the range after it and if they have
   // the same value number, merge the two ranges into one range.