    1. store_src_rg                   coords = src.rg
    2. init_lane_masks                CondMask = LoopMask = RetMask = true
    3. copy_constant                  ok = 0xFFFFFFFF
    4. copy_slot_unmasked             $0 = ok
    5. copy_4_constants               $1..4 = testMatrix2x2
    6. copy_constant                  $5 = 0x3F800000 (1.0)
    7. copy_constant                  $6 = 0x40000000 (2.0)
    8. copy_constant                  $7 = 0x40400000 (3.0)
    9. copy_constant                  $8 = 0x40800000 (4.0)
   10. cmpeq_4_floats                 $1..4 = equal($1..4, $5..8)
   11. bitwise_and_2_ints             $1..2 &= $3..4
   12. bitwise_and_int                $1 &= $2
   13. bitwise_and_int                $0 &= $1
   14. copy_slot_unmasked             ok = $0
   15. copy_4_constants               $1..4 = testMatrix2x2
   16. copy_constant                  $5 = 0x3F800000 (1.0)
   17. copy_constant                  $6 = 0x40000000 (2.0)
   18. copy_constant                  $7 = 0x40400000 (3.0)
   19. copy_constant                  $8 = 0x40800000 (4.0)
   20. cmpeq_4_floats                 $1..4 = equal($1..4, $5..8)
   21. bitwise_and_2_ints             $1..2 &= $3..4
   22. bitwise_and_int                $1 &= $2
   23. bitwise_and_int                $0 &= $1
   24. copy_slot_unmasked             ok = $0
   25. copy_4_constants               $1..4 = testMatrix2x2
   26. cast_to_int_from_4_floats      $1..4 = FloatToInt($1..4)
   27. copy_constant                  $5 = 0x00000001 (1.401298e-45)
   28. copy_constant                  $6 = 0x00000002 (2.802597e-45)
   29. copy_constant                  $7 = 0x00000003 (4.203895e-45)
   30. copy_constant                  $8 = 0x00000004 (5.605194e-45)
   31. cmpeq_4_ints                   $1..4 = equal($1..4, $5..8)
   32. bitwise_and_2_ints             $1..2 &= $3..4
   33. bitwise_and_int                $1 &= $2
   34. bitwise_and_int                $0 &= $1
   35. copy_slot_unmasked             ok = $0
   36. copy_4_constants               $1..4 = testMatrix2x2
   37. zero_4_slots_unmasked          $5..8 = 0
   38. cmpne_4_floats                 $1..4 = notEqual($1..4, $5..8)
   39. copy_constant                  $5 = 0xFFFFFFFF
   40. swizzle_4                      $5..8 = ($5..8).xxxx
   41. cmpeq_4_ints                   $1..4 = equal($1..4, $5..8)
   42. bitwise_and_2_ints             $1..2 &= $3..4
   43. bitwise_and_int                $1 &= $2
   44. bitwise_and_int                $0 &= $1
   45. copy_slot_unmasked             ok = $0
   46. swizzle_4                      $0..3 = ($0..3).xxxx
   47. copy_4_constants               $4..7 = colorRed
   48. copy_4_constants               $8..11 = colorGreen
   49. mix_4_ints                     $0..3 = mix($4..7, $8..11, $0..3)
   50. load_src                       src.rgba = $0..3