[llvm] [RemoveDIs] Update DIBuilder to conditionally insert DbgRecords (PR #84739)

[Stephen Tozer via llvm-commits]

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@@ -1081,18 +1124,29 @@ Instruction *DIBuilder::insertDbgIntrinsic(llvm::Function *IntrinsicFn,
   return B.CreateCall(IntrinsicFn, Args);
 }
 
-Instruction *DIBuilder::insertLabel(DILabel *LabelInfo, const DILocation *DL,
-                                    BasicBlock *InsertBB,
-                                    Instruction *InsertBefore) {
+DbgInstPtr DIBuilder::insertLabel(DILabel *LabelInfo, const DILocation *DL,
+                                  BasicBlock *InsertBB,
+                                  Instruction *InsertBefore) {
   assert(LabelInfo && "empty or invalid DILabel* passed to dbg.label");
   assert(DL && "Expected debug loc");
   assert(DL->getScope()->getSubprogram() ==
              LabelInfo->getScope()->getSubprogram() &&
          "Expected matching subprograms");
+
+  trackIfUnresolved(LabelInfo);
+  if (M.IsNewDbgInfoFormat) {
+    DPLabel *DPL = new DPLabel(LabelInfo, DL);
+    if (InsertBB && InsertBefore)
+      InsertBB->insertDPValueBefore(DPL, InsertBefore->getIterator());
+    else if (InsertBB)
+      InsertBB->insertDPValueBefore(DPL, InsertBB->end());
+    // FIXME: Use smart pointers for DbgRecord ownership management.
----------------
SLTozer wrote:

What would we need smart pointers for here?

https://github.com/llvm/llvm-project/pull/84739