12 instructions

store_src_rg                   coords = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
splat_2_constants              r, g = 0
copy_constant                  $0 = 0x3F800000 (1.0)
copy_uniform                   $1 = unknownInput
sub_float                      $0 -= $1
copy_slot_unmasked             r = $0
copy_uniform                   g = unknownInput
copy_2_slots_unmasked          $0..1 = r, g
copy_constant                  $2 = 0
copy_constant                  $3 = 0x3F800000 (1.0)
load_src                       src.rgba = $0..3