    1. store_src_rg                   coords = src.rg
    2. init_lane_masks                CondMask = LoopMask = RetMask = true
    3. zero_4_slots_unmasked          color = 0
    4. store_condition_mask           $0 = CondMask
    5. copy_constant                  $1 = unknownInput
    6. copy_constant                  $2 = 0x3F800000 (1.0)
    7. cmpeq_float                    $1 = equal($1, $2)
    8. merge_condition_mask           CondMask = $0 & $1
    9. copy_constant                  $2 = 0x3F800000 (1.0)
   10. copy_slot_masked               color(1) = Mask($2)
   11. load_condition_mask            CondMask = $0
   12. store_condition_mask           $0 = CondMask
   13. copy_constant                  $1 = unknownInput
   14. copy_constant                  $2 = 0x40000000 (2.0)
   15. cmpeq_float                    $1 = equal($1, $2)
   16. merge_condition_mask           CondMask = $0 & $1
   17. bitwise_not_int                $1 = ~$1
   18. merge_condition_mask           CondMask = $0 & $1
   19. copy_constant                  $2 = 0x3F800000 (1.0)
   20. copy_slot_masked               color(3) = Mask($2)
   21. load_condition_mask            CondMask = $0
   22. copy_4_slots_unmasked          $0..3 = color
   23. copy_4_slots_unmasked          [main].result = $0..3
   24. load_src                       src.rgba = [main].result