1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 2a7989d..a0e6e20 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1585,3 +1585,9 @@ void LiveIntervals::renameDisconnectedComponents() {
     SubRegClasses.renameComponents(*LI);
   }
 }
+
+void LiveIntervals::constructMainRangeFromSubranges(LiveInterval &LI) {
+  assert(LRCalc && "LRCalc not initialized.");
+  LRCalc->reset(MF, getSlotIndexes(), DomTree, &getVNInfoAllocator());
+  LRCalc->constructMainRangeFromSubranges(LI);
+}