[CodeGen] Init EmptyExpr before the first use

llvm · Jun 18, 2022 · f0ca0a3 · f0ca0a3
1 parent 23d6f31
commit f0ca0a3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
@@ -3175,12 +3175,12 @@ bool InstrRefBasedLDV::ExtendRanges(MachineFunction &MF,
   assert(MaxNumBlocks >= 0);
   ++MaxNumBlocks;
 
+  initialSetup(MF);
+
   MLocTransfer.resize(MaxNumBlocks);
   vlocs.resize(MaxNumBlocks, VLocTracker(OverlapFragments, EmptyExpr));
   SavedLiveIns.resize(MaxNumBlocks);
 
-  initialSetup(MF);
-
   produceMLocTransferFunction(MF, MLocTransfer, MaxNumBlocks);
 
   // Allocate and initialize two array-of-arrays for the live-in and live-out