Unroll macro

KernelAbstractions.Extras.LoopInfo.@unrollMacro

@unroll expr

Takes a for loop as expr and informs the LLVM unroller to fully unroll it, if it is safe to do so and the loop count is known.

@unroll N expr

Takes a for loop as expr and informs the LLVM unroller to unroll it N times, if it is safe to do so.