decades
https://en.wikipedia.org/wiki/Darwin_among_the_Machines Samuel Butler 13 June 1863
https://en.wikipedia.org/wiki/Darwin_among_the_Machines Samuel Butler 13 June 1863
Erewhon, Dune, Warhammer and many other works of fiction that explored this topic came to similar conclusions. Otherwise sci fi doesn't work, what happens after a singularity is essentially unimaginable. There's nothing to write about.