[llvm] [RemoveDIs][NFC] Introduce DbgRecord base class [1/3] (PR #78252)

[Jeremy Morse via llvm-commits]

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@@ -308,34 +363,34 @@ class DPMarker {
   void print(raw_ostream &ROS, ModuleSlotTracker &MST, bool IsForDebug) const;
 
   /// Produce a range over all the DPValues in this Marker.
-  iterator_range<simple_ilist<DPValue>::iterator> getDbgValueRange();
+  iterator_range<simple_ilist<DbgRecord>::iterator> getDbgValueRange();
   /// Transfer any DPValues from \p Src into this DPMarker. If \p InsertAtHead
   /// is true, place them before existing DPValues, otherwise afterwards.
   void absorbDebugValues(DPMarker &Src, bool InsertAtHead);
   /// Transfer the DPValues in \p Range from \p Src into this DPMarker. If
   /// \p InsertAtHead is true, place them before existing DPValues, otherwise
   // afterwards.
-  void absorbDebugValues(iterator_range<DPValue::self_iterator> Range,
+  void absorbDebugValues(iterator_range<DbgRecord::self_iterator> Range,
                          DPMarker &Src, bool InsertAtHead);
   /// Insert a DPValue into this DPMarker, at the end of the list. If
   /// \p InsertAtHead is true, at the start.
-  void insertDPValue(DPValue *New, bool InsertAtHead);
+  void insertDPValue(DbgRecord *New, bool InsertAtHead);
   /// Clone all DPMarkers from \p From into this marker. There are numerous
   /// options to customise the source/destination, due to gnarliness, see class
   /// comment.
   /// \p FromHere If non-null, copy from FromHere to the end of From's DPValues
   /// \p InsertAtHead Place the cloned DPValues at the start of StoredDPValues
   /// \returns Range over all the newly cloned DPValues
-  iterator_range<simple_ilist<DPValue>::iterator>
+  iterator_range<simple_ilist<DbgRecord>::iterator>
   cloneDebugInfoFrom(DPMarker *From,
-                     std::optional<simple_ilist<DPValue>::iterator> FromHere,
+                     std::optional<simple_ilist<DbgRecord>::iterator> FromHere,
                      bool InsertAtHead = false);
   /// Erase all DPValues in this DPMarker.
-  void dropDPValues();
-  /// Erase a single DPValue from this marker. In an ideal future, we would
+  void dropDbgValues();
+  /// Erase a single DbgRecord from this marker. In an ideal future, we would
   /// never erase an assignment in this way, but it's the equivalent to
-  /// erasing a dbg.value from a block.
-  void dropOneDPValue(DPValue *DPV);
+  /// erasing a debug intrinsic from a block.
+  void dropOneDbgValue(DbgRecord *DPE);
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jmorse wrote:

DPE -> DPEntity? (One imagines this gets revised in the future?)

https://github.com/llvm/llvm-project/pull/78252