[llvm] [DebugInfo][RemoveDIs] Handle DPValues at remaining dbg.value using sites (PR #73788)

[Jeremy Morse via llvm-commits]

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@@ -534,6 +539,17 @@ static bool rewriteSingleStoreAlloca(
     }
   }
 
+  // Duplicate implementation for non-instr storage of debug-info in
+  // DPValue objects.
+  for (DPValue *DPV : Info.DPUsers) {
+    if (DPV->isAddressOfVariable()) {
+      ConvertDebugDeclareToDebugValue(DPV, Info.OnlyStore, DIB);
+      DPV->eraseFromParent();
+    } else if (DPV->getExpression()->startsWithDeref()) {
+      DPV->eraseFromParent();
+    }
+  }
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jmorse wrote:

SGTM, pushed up some tempatealization.

https://github.com/llvm/llvm-project/pull/73788