* remu refactors
* scc is sgpr 253
* remove that
* rename to vcc_lo
* run cargo test in CI
* llvm-mc
* meh
* work
* work_group work 1
* seeded_lanes is dumb
* better than seeded_lanes
* does not need to be address
* 128 sgpr per wave
* scc is sgpr, we don't know which one
* null_src once more
* derive clone, wave init is cleaner
* init comes first