| 1. store_src_rg xy = src.rg | |
| 2. init_lane_masks CondMask = LoopMask = RetMask = true | |
| 3. copy_constant gInitialized = 0xBF800000 (-1.0) | |
| 4. copy_constant gInitializedFromOther = 0x3F800000 (1.0) | |
| 5. zero_slot_unmasked gUninitialized = 0 | |
| 6. copy_constant $0 = 0x3F800000 (1.0) | |
| 7. copy_slot_unmasked gUninitialized = $0 | |
| 8. label label 0x00000000 | |
| 9. zero_slot_unmasked $0 = 0 | |
| 10. copy_slot_unmasked $1 = gInitializedFromOther | |
| 11. zero_slot_unmasked $2 = 0 | |
| 12. copy_slot_unmasked $3 = gUninitialized | |
| 13. load_src src.rgba = $0..3 |