Not really, no. Both of those projects are tinkertoy greenfield projects, done by people who know exactly what they're doing.
And both of them heavily caveat that experience:
> This only works if you have the capacity to review what it produces, of course. (And by “of course”, I mean probably many people will ignore this, even though it’s essential to get meaningful, consistent, long-term value out of these systems.)
> To be clear: this isn't an endorsement of using models for serious Open Source libraries...Treat it as a curious side project which says more about what's possible today than what's necessarily advisable.
It does nobody any good to oversell this shit.
A compiler optimization for LLVM is absolutely not a "tinkertoy greenfield projects".
I linked to those precisely because they aren't over-selling things. They're extremely competent engineers using LLMs to produce work that they would not have produced otherwise.