[llvm] [VPlan] Enhance VPlan-based LICM using argument noalias attributes (PR #217238)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

Does this have any end-to-end impact? Presumably with no alias, IR LICM would already have hoisted the invariant memos?

https://github.com/llvm/llvm-project/pull/217238