22 instructions

store_src_rg                   xy = src.rg
init_lane_masks                CondMask = LoopMask = RetMask = true
copy_4_uniforms                c = colorRed
copy_slot_unmasked             $0 = c(3)
copy_slot_unmasked             $1 = $0
add_imm_float                  $1 += 0x3F800000 (1.0)
copy_slot_unmasked             c(3) = $1
copy_slot_unmasked             $1 = c(2)
add_float                      $0 += $1
copy_slot_unmasked             c(1) = $0
copy_slot_unmasked             $0 = c(3)
copy_slot_unmasked             $1 = c(0)
add_imm_float                  $1 += 0xBF800000 (-1.0)
copy_slot_unmasked             c(0) = $1
sub_float                      $0 -= $1
copy_slot_unmasked             c(1) = $0
copy_4_slots_unmasked          $0..3 = c
splat_4_constants              $4..7 = 0
max_4_floats                   $0..3 = max($0..3, $4..7)
splat_4_constants              $4..7 = 0x3F800000 (1.0)
min_4_floats                   $0..3 = min($0..3, $4..7)
load_src                       src.rgba = $0..3