[llvm] [Attributor] Propagate alignment through ptrmask (PR #150158)

[via llvm-commits]

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@@ -5188,6 +5188,80 @@ struct AADereferenceableCallSiteReturned final
 // ------------------------ Align Argument Attribute ------------------------
 
 namespace {
+
+static std::optional<Align> getKnownAlignForIntrinsic(Attributor &A,
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Shoreshen wrote:

Hi @arsenm , for other intrinsic hasn't be handled inside the function, it will return nullopt for now.

https://github.com/llvm/llvm-project/pull/150158