Index: llvm/include/llvm/IR/DebugInfo.h
===================================================================
--- llvm/include/llvm/IR/DebugInfo.h
+++ llvm/include/llvm/IR/DebugInfo.h
@@ -219,6 +219,9 @@
     return make_range(Value::user_iterator(), Value::user_iterator());
 }
 
+/// Delete the llvm.dbg.assgin intrinsics linked to \p Inst.
+void deleteAssignmentMarkers(const Instruction *Inst);
+
 /// Replace all uses (and attachments) of \p Old with \p New.
 void RAUW(DIAssignID *Old, DIAssignID *New);
 
Index: llvm/lib/IR/DebugInfo.cpp
===================================================================
--- llvm/lib/IR/DebugInfo.cpp
+++ llvm/lib/IR/DebugInfo.cpp
@@ -1696,6 +1696,15 @@
   return make_range(IDAsValue->user_begin(), IDAsValue->user_end());
 }
 
+void at::deleteAssignmentMarkers(const Instruction *Inst) {
+  auto Range = getAssignmentMarkers(Inst);
+  if (Range.empty())
+    return;
+  SmallVector<DbgAssignIntrinsic *> ToDelete(Range.begin(), Range.end());
+  for (auto *DAI : ToDelete)
+    DAI->eraseFromParent();
+}
+
 void at::RAUW(DIAssignID *Old, DIAssignID *New) {
   // Replace MetadataAsValue uses.
   if (auto *OldIDAsValue =