[llvm] [RemoveDIs][NFC] Rename DPValue -> DbgVariableRecord (PR #85216)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -121,10 +121,10 @@ class BasicBlock final : public Value, // Basic blocks are data objects also
   DPMarker *getNextMarker(Instruction *I);
 
   /// Insert a DbgRecord into a block at the position given by \p I.
-  void insertDbgRecordAfter(DbgRecord *DPV, Instruction *I);
+  void insertDbgRecordAfter(DbgRecord *DVR, Instruction *I);
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OCHyams wrote:

nit: This should probably be `DR` not `DVR`? Same below.

https://github.com/llvm/llvm-project/pull/85216