[llvm] [DebugInfo][RemoveDIs] Add local-utility plumbing for DPValues (PR #72276)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -1648,7 +1711,18 @@ void llvm::ConvertDebugDeclareToDebugValue(DbgVariableIntrinsic *DII,
   // know which part) we insert an dbg.value intrinsic to indicate that we
   // know nothing about the variable's content.
   DV = UndefValue::get(DV->getType());
-  Builder.insertDbgValueIntrinsic(DV, DIVar, DIExpr, NewLoc, SI);
+  insertDbgValueOrDPValue(Builder, DV, DIVar, DIExpr, NewLoc, SI->getIterator());
+}
+
+// RemoveDIs: duplicate the getDebugValueLoc method using DPValues instead of
+// dbg.value intrinsics.
+static DebugLoc getDebugValueLocDPV(DPValue *DPV, Instruction *Src) {
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OCHyams wrote:

The unused parameter `Src` has been removed from the normal-dbg.value version in trunk - please can we remove it here too?

https://github.com/llvm/llvm-project/pull/72276