[llvm] [ISelDAG] Salvage debug info at isel by referring to frame indices. (PR #109126)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -11237,6 +11237,12 @@ void SelectionDAG::salvageDebugInfo(SDNode &N) {
   if (!N.getHasDebugValue())
     return;
 
+  auto handle = [](SDNode *Node, unsigned ResNo) {
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OCHyams wrote:

I think we could improve this name - `GetLocationOperand` or something like that?

nit: lambda naming tends to follow normal variable naming rules (capitalized).

https://github.com/llvm/llvm-project/pull/109126