[llvm] [Coroutines] Only rematerialize when operands are available after the suspend (PR #209195)

[Christian Ulmann via llvm-commits]

Dinistro wrote:

> Previously we will use our internal workloads to test this. For you, maybe you can use seastar's code to test the impact on the compilation time and potential performance improvements. CC @avikivity for seastar.
> 
> If you don't want to test it, I can try to test it within our internal workloads. But that may take a longer time.
>
> CC @yuanfang-chen for Meta if he can help to test with their internal workloads faster.

I'll not have time to test this this week, so if you could trigger some runs that are only available next week, I'm perfectly fine with this. Otherwise, I'll get back to you next week to figure out how to run this on my own setup. 



https://github.com/llvm/llvm-project/pull/209195