ChuanqiXu9 wrote:

> Thanks for the feedback. This patch is the first iteration to model this idea 
> as quickly as I can. In general, I agree with your comments.
> 
> > * I feel the name containing `concurrency` is not proper
> 
> The name is bikesheddable as always. I was also thinking around the line of 
> `[[clang::coro_inplace_awaitable_task]]`.
> 
> > * Every time we add or change IR related to coroutines, we need to update 
> > https://llvm.org/docs/Coroutines.html. So that we can understand the 
> > semantics of the proposed `llvm.coro.safe.elide` much easier.
> 
> Will do once we agree on a design.
> 
> > * I'd like to add a new effect to the attribute to always inline (or an 
> > inline hint) every such callee function. Note that this won't be part of 
> > semantics but the implementation details.
> 
> This is a good suggestion for the scope of another PR.
> 
> > * What I prefer is to add a middle end function attribute (must-coro-elide) 
> > and apply this attribute and (always inline attribute) to the calls
> 
> Do you mean the caller or the callee? I think both, right?

To calls. We can add attribute to calls instead of functions.

https://github.com/llvm/llvm-project/pull/94693
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