[llvm] [RemoveDIs] Update Coroutine passes to handle DPValues (PR #74480)

[Felipe de Azevedo Piovezan via llvm-commits]

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@@ -2880,6 +2922,28 @@ void coro::salvageDebugInfo(
     Expr = DIExpression::prepend(Expr, DIExpression::DerefBefore);
   }
 
+  return {{Storage, Expr}};
+}
+
+void coro::salvageDebugInfo(
+    SmallDenseMap<Argument *, AllocaInst *, 4> &ArgToAllocaMap,
+    DbgVariableIntrinsic *DVI, bool OptimizeFrame, bool UseEntryValue) {
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felipepiovezan wrote:

this function assumes `DVI` is non null, let's express that at the API level by making it a reference

https://github.com/llvm/llvm-project/pull/74480