    1. store_src_rg                   coords = src.rg
    2. init_lane_masks                CondMask = LoopMask = RetMask = true
    3. copy_4_constants               $0..3 = testInputs
    4. copy_4_slots_unmasked          _0_v = $0..3
    5. copy_4_constants               $0..3 = colorBlack
    6. cast_to_int_from_4_floats      $0..3 = FloatToInt($0..3)
    7. copy_4_slots_unmasked          _1_i = $0..3
    8. copy_slot_unmasked             $12 = _1_i(0)
    9. copy_from_indirect_unmasked    $0 = Indirect(_0_v(0) + $12)
   10. copy_slot_unmasked             _2_x = $0
   11. copy_slot_unmasked             $12 = _1_i(1)
   12. copy_from_indirect_unmasked    $0 = Indirect(_0_v(0) + $12)
   13. copy_slot_unmasked             _3_y = $0
   14. copy_slot_unmasked             $12 = _1_i(2)
   15. copy_from_indirect_unmasked    $0 = Indirect(_0_v(0) + $12)
   16. copy_slot_unmasked             _4_z = $0
   17. copy_slot_unmasked             $12 = _1_i(3)
   18. copy_from_indirect_unmasked    $0 = Indirect(_0_v(0) + $12)
   19. copy_slot_unmasked             _5_w = $0
   20. copy_4_slots_unmasked          $0..3 = _2_x, _3_y, _4_z, _5_w
   21. copy_constant                  $4 = 0xBFA00000 (-1.25)
   22. copy_constant                  $5 = 0xBFA00000 (-1.25)
   23. copy_constant                  $6 = 0xBFA00000 (-1.25)
   24. zero_slot_unmasked             $7 = 0
   25. cmpeq_4_floats                 $0..3 = equal($0..3, $4..7)
   26. bitwise_and_2_ints             $0..1 &= $2..3
   27. bitwise_and_int                $0 &= $1
   28. swizzle_4                      $0..3 = ($0..3).xxxx
   29. copy_4_constants               $4..7 = colorRed
   30. copy_4_constants               $8..11 = colorGreen
   31. mix_4_ints                     $0..3 = mix($4..7, $8..11, $0..3)
   32. load_src                       src.rgba = $0..3