NIR loop unrolling is already enabled so just let it do its job.
Shader-db results (nv40):
total instructions in shared programs: 17446532 -> 17446068 (<.01%)
instructions in affected programs: 15532 -> 15068 (-2.99%)
total gpr in shared programs: 82658 -> 82801 (0.17%)
gpr in affected programs: 1680 -> 1823 (8.51%)
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16366>
Timothy Arceri
fa3b6a3d32