[PATCH] D152226: [FunctionAttrs] Propagate some func/arg/ret attributes from caller to callsite (WIP)

[Noah Goldstein via Phabricator via cfe-commits]

goldstein.w.n added a comment.

In D152226#4418498 <https://reviews.llvm.org/D152226#4418498>, @jdoerfert wrote:

> FWIW, I wish the time that went into this would have been to improve and enable the (lightweight) Attributor pass.
> Anyway, I'm still doing that, and the latest numbers didn't look that bad. I will start to upstream stuff that I found.
> At this point it might be good to understand if the (lightweight) Attributor would solve your problems or what would be left.

With the way the `InferCallsiteAttrs` is written, it should be equally usable in attributor as it is in FunctionAttrs. Guess my
feeling was want to get this in s.t its actually usable. Once LW attributor becomes usable should be easy to apply `InferCallsiteAttrs`
there.


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  https://reviews.llvm.org/D152226/new/

https://reviews.llvm.org/D152226