kuilpd wrote:

> I'm also not very convinced by this "FlowAnalysis" thingy. Is it supposed to 
> be a performance optimization (collapsing *&foo to foo) or does it do 
> something more?

FlowAnalysis is also used in subscript operator, to short-circuit getting an 
address of an element: `&arr[1]`, which could be a much more common use case.

https://github.com/llvm/llvm-project/pull/134428
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