2 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
index 748dd0ca9858..ade67bb545d1 100644
--- a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
@@ -2782,7 +2782,7 @@ void InstrRefBasedLDV::BlockPHIPlacement(
   // Apply IDF calculator to the designated set of location defs, storing
   // required PHIs into PHIBlocks. Uses the dominator tree stored in the
   // InstrRefBasedLDV object.
-  IDFCalculatorBase<MachineBasicBlock, false> IDF(DomTree->getBase());
+  IDFCalculatorBase<MachineBasicBlock, false> IDF(*DomTree);
 
   IDF.setLiveInBlocks(AllBlocks);
   IDF.setDefiningBlocks(DefBlocks);
diff --git a/llvm/lib/CodeGen/LiveDebugValues/LiveDebugValues.cpp b/llvm/lib/CodeGen/LiveDebugValues/LiveDebugValues.cpp
index a2b166227194..a7f089928f84 100644
--- a/llvm/lib/CodeGen/LiveDebugValues/LiveDebugValues.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues/LiveDebugValues.cpp
@@ -112,7 +112,7 @@ bool LiveDebugValues::runOnMachineFunction(MachineFunction &MF) {
   MachineDominatorTree *DomTree = nullptr;
   if (InstrRefBased) {
     DomTree = &MDT;
-    MDT.calculate(MF);
+    MDT.recalculate(MF);
     TheImpl = &*InstrRefImpl;
   }