1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
index c6962e5..0bf9003 100644
--- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
@@ -297,6 +297,10 @@ static void buildPartialInvariantUnswitchConditionalBranch(
   for (auto *Val : reverse(ToDuplicate)) {
     Instruction *Inst = cast<Instruction>(Val);
     Instruction *NewInst = Inst->clone();
+
+    if (const DebugLoc &DL = Inst->getDebugLoc())
+      mapAtomInstance(DL, VMap);
+
     NewInst->insertInto(&BB, BB.end());
     RemapInstruction(NewInst, VMap,
                      RF_NoModuleLevelChanges | RF_IgnoreMissingLocals);