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

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -30,16 +31,45 @@ DPValue::DPValue(const DbgVariableIntrinsic *DVI)
 }
 
 DPValue::DPValue(const DPValue &DPV)
-    : DebugValueUser(DPV.getRawLocation()),
-      Variable(DPV.getVariable()), Expression(DPV.getExpression()),
-      DbgLoc(DPV.getDebugLoc()), Type(DPV.getType()) {}
+    : DbgRecord(ValueKind, DPV.getDebugLoc()),
+      DebugValueUser(DPV.getRawLocation()), Type(DPV.getType()),
+      Variable(DPV.getVariable()), Expression(DPV.getExpression()) {}
 
 DPValue::DPValue(Metadata *Location, DILocalVariable *DV, DIExpression *Expr,
                  const DILocation *DI, LocationType Type)
-    : DebugValueUser(Location), Variable(DV), Expression(Expr), DbgLoc(DI),
-      Type(Type) {}
+    : DbgRecord(ValueKind, DI), DebugValueUser(Location), Type(Type),
+      Variable(DV), Expression(Expr) {}
 
-void DPValue::deleteInstr() { delete this; }
+void DbgRecord::deleteRecord() {
+  switch (RecordKind) {
+  case ValueKind:
+    delete cast<DPValue>(this);
+    break;
+  default:
+    llvm_unreachable("unsupported record kind");
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OCHyams wrote:

Done

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