LLVM: clean up airUnaryOp to call callFloatUnary

and make callFloatUnary support vectors. I tried to make it use
getIntrinsic, but that resulted in tripping `assert(id != 0)`.
1adb15098cAndrew Kelley committed on 3/15/2022, 4:43:57 AMparent9eceba2
1 file changedLine totals unavailable