[llvm] [Attributor] Guard alignment query after pointer-vector stripping (PR #205389)

[Johannes Doerfert via llvm-commits]

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@@ -5339,7 +5340,9 @@ struct AAAlignImpl : AAAlign {
     ChangeStatus Changed = AAAlign::manifest(A);
 
     Align InheritAlign =
-        getAssociatedValue().getPointerAlignment(A.getDataLayout());
+        getAssociatedValue().getType()->isPointerTy()
+            ? getAssociatedValue().getPointerAlignment(A.getDataLayout())
+            : Align(1);
     if (InheritAlign >= getAssumedAlign())
       return InstrChanged;
     return Changed | InstrChanged;
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jdoerfert wrote:

We should never create a AAlign on a non-ptr typed value, right? So if we do, we need to fix that. And if we never do it, getAssociatedValue should always be ptr typed, right?

https://github.com/llvm/llvm-project/pull/205389