    1. store_src_rg                   xy = src.rg
    2. init_lane_masks                CondMask = LoopMask = RetMask = true
    3. store_condition_mask           $16 = CondMask
    4. store_condition_mask           $25 = CondMask
    5. store_condition_mask           $31 = CondMask
    6. store_condition_mask           $19 = CondMask
    7. store_condition_mask           $40 = CondMask
    8. store_condition_mask           $36 = CondMask
    9. store_condition_mask           $12 = CondMask
   10. branch_if_no_lanes_active      branch_if_no_lanes_active +15 (label 8 at #25)
   11. store_return_mask              $13 = RetMask
   12. store_loop_mask                $14 = LoopMask
   13. label                          label 0x0000000A
   14. copy_constant                  $15 = 0xFFFFFFFF
   15. copy_slot_masked               [test_return].result = Mask($15)
   16. mask_off_return_mask           RetMask &= ~(CondMask & LoopMask & RetMask)
   17. zero_slot_unmasked             $15 = 0
   18. merge_loop_mask                LoopMask &= $15
   19. stack_rewind
   20. branch_if_any_lanes_active     branch_if_any_lanes_active -7 (label 10 at #13)
   21. label                          label 0x00000009
   22. load_loop_mask                 LoopMask = $14
   23. load_return_mask               RetMask = $13
   24. copy_slot_unmasked             $13 = [test_return].result
   25. label                          label 0x00000008
   26. zero_slot_unmasked             $37 = 0
   27. merge_condition_mask           CondMask = $12 & $13
   28. branch_if_no_lanes_active      branch_if_no_lanes_active +14 (label 7 at #42)
   29. store_loop_mask                $38 = LoopMask
   30. label                          label 0x0000000D
   31. branch_if_all_lanes_active     branch_if_all_lanes_active +6 (label 12 at #37)
   32. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
   33. zero_slot_unmasked             $39 = 0
   34. merge_loop_mask                LoopMask &= $39
   35. stack_rewind
   36. branch_if_any_lanes_active     branch_if_any_lanes_active -6 (label 13 at #30)
   37. label                          label 0x0000000C
   38. load_loop_mask                 LoopMask = $38
   39. copy_constant                  $38 = 0xFFFFFFFF
   40. label                          label 0x0000000B
   41. copy_slot_masked               $37 = Mask($38)
   42. label                          label 0x00000007
   43. load_condition_mask            CondMask = $12
   44. zero_slot_unmasked             $41 = 0
   45. merge_condition_mask           CondMask = $36 & $37
   46. branch_if_no_lanes_active      branch_if_no_lanes_active +17 (label 6 at #63)
   47. store_loop_mask                $42 = LoopMask
   48. label                          label 0x00000010
   49. zero_slot_unmasked             $12 = 0
   50. copy_constant                  $13 = 0xFFFFFFFF
   51. copy_slot_masked               $12 = Mask($13)
   52. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
   53. reenable_loop_mask             LoopMask |= $12
   54. zero_slot_unmasked             $43 = 0
   55. merge_loop_mask                LoopMask &= $43
   56. stack_rewind
   57. branch_if_any_lanes_active     branch_if_any_lanes_active -9 (label 16 at #48)
   58. label                          label 0x0000000F
   59. load_loop_mask                 LoopMask = $42
   60. copy_constant                  $42 = 0xFFFFFFFF
   61. label                          label 0x0000000E
   62. copy_slot_masked               $41 = Mask($42)
   63. label                          label 0x00000006
   64. load_condition_mask            CondMask = $36
   65. zero_slot_unmasked             $20 = 0
   66. merge_condition_mask           CondMask = $40 & $41
   67. branch_if_no_lanes_active      branch_if_no_lanes_active +33 (label 5 at #100)
   68. store_return_mask              $21 = RetMask
   69. store_loop_mask                $22 = LoopMask
   70. label                          label 0x00000013
   71. zero_slot_unmasked             $36 = 0
   72. zero_slot_unmasked             $23 = 0
   73. copy_constant                  $24 = colorGreen(1)
   74. cmplt_float                    $23 = lessThan($23, $24)
   75. branch_if_no_active_lanes_eq   branch +5 (label 20 at #80) if no lanes of $23 == 0xFFFFFFFF
   76. copy_constant                  $24 = 0xFFFFFFFF
   77. copy_slot_masked               [test_if_return].result = Mask($24)
   78. mask_off_return_mask           RetMask &= ~(CondMask & LoopMask & RetMask)
   79. jump                           jump +4 (label 21 at #83)
   80. label                          label 0x00000014
   81. branch_if_all_lanes_active     branch_if_all_lanes_active +11 (label 18 at #92)
   82. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
   83. label                          label 0x00000015
   84. copy_constant                  $37 = 0xFFFFFFFF
   85. copy_slot_masked               $36 = Mask($37)
   86. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
   87. reenable_loop_mask             LoopMask |= $36
   88. zero_slot_unmasked             $23 = 0
   89. merge_loop_mask                LoopMask &= $23
   90. stack_rewind
   91. branch_if_any_lanes_active     branch_if_any_lanes_active -21 (label 19 at #70)
   92. label                          label 0x00000012
   93. load_loop_mask                 LoopMask = $22
   94. zero_slot_unmasked             $22 = 0
   95. copy_slot_masked               [test_if_return].result = Mask($22)
   96. load_return_mask               RetMask = $21
   97. copy_slot_unmasked             $21 = [test_if_return].result
   98. label                          label 0x00000011
   99. copy_slot_masked               $20 = Mask($21)
  100. label                          label 0x00000005
  101. load_condition_mask            CondMask = $40
  102. zero_slot_unmasked             $32 = 0
  103. merge_condition_mask           CondMask = $19 & $20
  104. branch_if_no_lanes_active      branch_if_no_lanes_active +26 (label 4 at #130)
  105. store_loop_mask                $33 = LoopMask
  106. label                          label 0x00000018
  107. zero_slot_unmasked             $40 = 0
  108. zero_slot_unmasked             $34 = 0
  109. copy_constant                  $35 = colorGreen(1)
  110. cmplt_float                    $34 = lessThan($34, $35)
  111. branch_if_no_active_lanes_eq   branch +4 (label 25 at #115) if no lanes of $34 == 0xFFFFFFFF
  112. branch_if_all_lanes_active     branch_if_all_lanes_active +13 (label 23 at #125)
  113. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
  114. jump                           jump +5 (label 26 at #119)
  115. label                          label 0x00000019
  116. copy_constant                  $41 = 0xFFFFFFFF
  117. copy_slot_masked               $40 = Mask($41)
  118. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
  119. label                          label 0x0000001A
  120. reenable_loop_mask             LoopMask |= $40
  121. zero_slot_unmasked             $34 = 0
  122. merge_loop_mask                LoopMask &= $34
  123. stack_rewind
  124. branch_if_any_lanes_active     branch_if_any_lanes_active -18 (label 24 at #106)
  125. label                          label 0x00000017
  126. load_loop_mask                 LoopMask = $33
  127. copy_constant                  $33 = 0xFFFFFFFF
  128. label                          label 0x00000016
  129. copy_slot_masked               $32 = Mask($33)
  130. label                          label 0x00000004
  131. load_condition_mask            CondMask = $19
  132. zero_slot_unmasked             $26 = 0
  133. merge_condition_mask           CondMask = $31 & $32
  134. branch_if_no_lanes_active      branch_if_no_lanes_active +27 (label 3 at #161)
  135. store_return_mask              $27 = RetMask
  136. store_loop_mask                $28 = LoopMask
  137. label                          label 0x0000001D
  138. copy_constant                  $29 = colorGreen(1)
  139. zero_slot_unmasked             $30 = 0
  140. cmpeq_float                    $29 = equal($29, $30)
  141. branch_if_no_active_lanes_eq   branch +5 (label 30 at #146) if no lanes of $29 == 0xFFFFFFFF
  142. zero_slot_unmasked             $30 = 0
  143. copy_slot_masked               [test_else].result = Mask($30)
  144. mask_off_return_mask           RetMask &= ~(CondMask & LoopMask & RetMask)
  145. jump                           jump +5 (label 31 at #150)
  146. label                          label 0x0000001E
  147. copy_constant                  $30 = 0xFFFFFFFF
  148. copy_slot_masked               [test_else].result = Mask($30)
  149. mask_off_return_mask           RetMask &= ~(CondMask & LoopMask & RetMask)
  150. label                          label 0x0000001F
  151. zero_slot_unmasked             $29 = 0
  152. merge_loop_mask                LoopMask &= $29
  153. stack_rewind
  154. branch_if_any_lanes_active     branch_if_any_lanes_active -17 (label 29 at #137)
  155. label                          label 0x0000001C
  156. load_loop_mask                 LoopMask = $28
  157. load_return_mask               RetMask = $27
  158. copy_slot_unmasked             $27 = [test_else].result
  159. label                          label 0x0000001B
  160. copy_slot_masked               $26 = Mask($27)
  161. label                          label 0x00000003
  162. load_condition_mask            CondMask = $31
  163. zero_slot_unmasked             $17 = 0
  164. merge_condition_mask           CondMask = $25 & $26
  165. branch_if_no_lanes_active      branch_if_no_lanes_active +4 (label 2 at #169)
  166. copy_constant                  $18 = 0xFFFFFFFF
  167. label                          label 0x00000020
  168. copy_slot_masked               $17 = Mask($18)
  169. label                          label 0x00000002
  170. load_condition_mask            CondMask = $25
  171. zero_slot_unmasked             $0 = 0
  172. merge_condition_mask           CondMask = $16 & $17
  173. branch_if_no_lanes_active      branch_if_no_lanes_active +23 (label 1 at #196)
  174. zero_slot_unmasked             x = 0
  175. store_loop_mask                $1 = LoopMask
  176. jump                           jump +8 (label 35 at #184)
  177. label                          label 0x00000024
  178. branch_if_all_lanes_active     branch_if_all_lanes_active +13 (label 34 at #191)
  179. mask_off_loop_mask             LoopMask &= ~(CondMask & LoopMask & RetMask)
  180. copy_slot_unmasked             $2 = x
  181. copy_constant                  $3 = 0x00000001 (1.401298e-45)
  182. add_int                        $2 += $3
  183. copy_slot_masked               x = Mask($2)
  184. label                          label 0x00000023
  185. copy_slot_unmasked             $2 = x
  186. copy_constant                  $3 = 0x00000001 (1.401298e-45)
  187. cmple_int                      $2 = lessThanEqual($2, $3)
  188. merge_loop_mask                LoopMask &= $2
  189. stack_rewind
  190. branch_if_any_lanes_active     branch_if_any_lanes_active -13 (label 36 at #177)
  191. label                          label 0x00000022
  192. load_loop_mask                 LoopMask = $1
  193. copy_constant                  $1 = 0xFFFFFFFF
  194. label                          label 0x00000021
  195. copy_slot_masked               $0 = Mask($1)
  196. label                          label 0x00000001
  197. load_condition_mask            CondMask = $16
  198. swizzle_4                      $0..3 = ($0..3).xxxx
  199. copy_4_constants               $4..7 = colorRed
  200. copy_4_constants               $8..11 = colorGreen
  201. mix_4_ints                     $0..3 = mix($4..7, $8..11, $0..3)
  202. load_src                       src.rgba = $0..3