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basics.carbon

basics.carbon 23 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
    6. 

  6. //
    7. 

  7. // AUTOUPDATE
    8. 

  8. // TIP: To test this file alone, run:
    9. 

  9. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/tuple/basics.carbon
    10. 

  10. // TIP: To dump output, run:
    11. 

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/tuple/basics.carbon
    12. 

  12. 

  13. // Because tuples underly a lot of types, try to keep this file to have
    14. 

  14. // minimal dependencies on other language syntax (particularly avoiding `class`
    15. 

  15. // and `{}`).
    16. 

  16. 

  17. // --- empty.carbon
    18. 

  18. library "[[@TEST_NAME]]";
    19. 

  19. 

  20. //@dump-sem-ir-begin
    21. 

  21. var x: () = ();
    22. 

  22. var y: () = x;
    23. 

  23. //@dump-sem-ir-end
    24. 

  24. 

  25. // --- nested_tuple.carbon
    26. 

  26. library "[[@TEST_NAME]]";
    27. 

  27. 

  28. //@dump-sem-ir-begin
    29. 

  29. var x: (((), ()), ()) = (((), ()), ());
    30. 

  30. //@dump-sem-ir-end
    31. 

  31. 

  32. // --- one_element.carbon
    33. 

  33. library "[[@TEST_NAME]]";
    34. 

  34. 

  35. //@dump-sem-ir-begin
    36. 

  36. var x: ((),) = ((),);
    37. 

  37. var y: ((),) = x;
    38. 

  38. //@dump-sem-ir-end
    39. 

  39. 

  40. // --- two_elements.carbon
    41. 

  41. library "[[@TEST_NAME]]";
    42. 

  42. 

  43. //@dump-sem-ir-begin
    44. 

  44. let v: ((), ()) = ((), ());
    45. 

  45. let w: ((), ()) = v;
    46. 

  46. 

  47. var x: ((), ()) = ((), ());
    48. 

  48. var y: ((), ()) = x;
    49. 

  49. //@dump-sem-ir-end
    50. 

  50. 

  51. // CHECK:STDOUT: --- empty.carbon
    52. 

  52. // CHECK:STDOUT:
    53. 

  53. // CHECK:STDOUT: constants {
    54. 

  54. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    55. 

  55. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
    56. 

  56. // CHECK:STDOUT:   %pattern_type: type = pattern_type %empty_tuple.type [concrete]
    57. 

  57. // CHECK:STDOUT: }
    58. 

  58. // CHECK:STDOUT:
    59. 

  59. // CHECK:STDOUT: file {
    60. 

  60. // CHECK:STDOUT:   name_binding_decl {
    61. 

  61. // CHECK:STDOUT:     %x.patt: %pattern_type = ref_binding_pattern x [concrete]
    62. 

  62. // CHECK:STDOUT:     %x.var_patt: %pattern_type = var_pattern %x.patt [concrete]
    63. 

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT:   %x.var: ref %empty_tuple.type = var %x.var_patt [concrete]
    65. 

  65. // CHECK:STDOUT:   %.loc4_9.1: type = splice_block %.loc4_9.3 [concrete = constants.%empty_tuple.type] {
    66. 

  66. // CHECK:STDOUT:     %.loc4_9.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    67. 

  67. // CHECK:STDOUT:     %.loc4_9.3: type = converted %.loc4_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    68. 

  68. // CHECK:STDOUT:   }
    69. 

  69. // CHECK:STDOUT:   %x: ref %empty_tuple.type = ref_binding x, %x.var [concrete = %x.var]
    70. 

  70. // CHECK:STDOUT:   name_binding_decl {
    71. 

  71. // CHECK:STDOUT:     %y.patt: %pattern_type = ref_binding_pattern y [concrete]
    72. 

  72. // CHECK:STDOUT:     %y.var_patt: %pattern_type = var_pattern %y.patt [concrete]
    73. 

  73. // CHECK:STDOUT:   }
    74. 

  74. // CHECK:STDOUT:   %y.var: ref %empty_tuple.type = var %y.var_patt [concrete]
    75. 

  75. // CHECK:STDOUT:   %.loc5_9.1: type = splice_block %.loc5_9.3 [concrete = constants.%empty_tuple.type] {
    76. 

  76. // CHECK:STDOUT:     %.loc5_9.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    77. 

  77. // CHECK:STDOUT:     %.loc5_9.3: type = converted %.loc5_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    78. 

  78. // CHECK:STDOUT:   }
    79. 

  79. // CHECK:STDOUT:   %y: ref %empty_tuple.type = ref_binding y, %y.var [concrete = %y.var]
    80. 

  80. // CHECK:STDOUT: }
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: fn @__global_init() {
    83. 

  83. // CHECK:STDOUT: !entry:
    84. 

  84. // CHECK:STDOUT:   %.loc4_14.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    85. 

  85. // CHECK:STDOUT:   %.loc4_14.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    86. 

  86. // CHECK:STDOUT:   %.loc4_1: init %empty_tuple.type = converted %.loc4_14.1, %.loc4_14.2 [concrete = constants.%empty_tuple]
    87. 

  87. // CHECK:STDOUT:   assign file.%x.var, %.loc4_1
    88. 

  88. // CHECK:STDOUT:   %x.ref: ref %empty_tuple.type = name_ref x, file.%x [concrete = file.%x.var]
    89. 

  89. // CHECK:STDOUT:   %.loc5_13: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    90. 

  90. // CHECK:STDOUT:   %.loc5_1: init %empty_tuple.type = converted %x.ref, %.loc5_13 [concrete = constants.%empty_tuple]
    91. 

  91. // CHECK:STDOUT:   assign file.%y.var, %.loc5_1
    92. 

  92. // CHECK:STDOUT:   <elided>
    93. 

  93. // CHECK:STDOUT: }
    94. 

  94. // CHECK:STDOUT:
    95. 

  95. // CHECK:STDOUT: --- nested_tuple.carbon
    96. 

  96. // CHECK:STDOUT:
    97. 

  97. // CHECK:STDOUT: constants {
    98. 

  98. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    99. 

  99. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
    100. 

  100. // CHECK:STDOUT:   %tuple.type.bcd: type = tuple_type (%empty_tuple.type, %empty_tuple.type) [concrete]
    101. 

  101. // CHECK:STDOUT:   %tuple.d8f: %tuple.type.bcd = tuple_value (%empty_tuple, %empty_tuple) [concrete]
    102. 

  102. // CHECK:STDOUT:   %tuple.type.6e8: type = tuple_type (%tuple.type.bcd, %empty_tuple.type) [concrete]
    103. 

  103. // CHECK:STDOUT:   %tuple.0ca: %tuple.type.6e8 = tuple_value (%tuple.d8f, %empty_tuple) [concrete]
    104. 

  104. // CHECK:STDOUT:   %pattern_type: type = pattern_type %tuple.type.6e8 [concrete]
    105. 

  105. // CHECK:STDOUT:   %tuple.elem0.876: ref %tuple.type.bcd = tuple_access file.%x.var, element0 [concrete]
    106. 

  106. // CHECK:STDOUT:   %tuple.elem0.b2a: ref %empty_tuple.type = tuple_access %tuple.elem0.876, element0 [concrete]
    107. 

  107. // CHECK:STDOUT:   %tuple.elem1.894: ref %empty_tuple.type = tuple_access %tuple.elem0.876, element1 [concrete]
    108. 

  108. // CHECK:STDOUT:   %tuple.elem1.adb: ref %empty_tuple.type = tuple_access file.%x.var, element1 [concrete]
    109. 

  109. // CHECK:STDOUT: }
    110. 

  110. // CHECK:STDOUT:
    111. 

  111. // CHECK:STDOUT: file {
    112. 

  112. // CHECK:STDOUT:   name_binding_decl {
    113. 

  113. // CHECK:STDOUT:     %x.patt: %pattern_type = ref_binding_pattern x [concrete]
    114. 

  114. // CHECK:STDOUT:     %x.var_patt: %pattern_type = var_pattern %x.patt [concrete]
    115. 

  115. // CHECK:STDOUT:   }
    116. 

  116. // CHECK:STDOUT:   %x.var: ref %tuple.type.6e8 = var %x.var_patt [concrete]
    117. 

  117. // CHECK:STDOUT:   %.loc4_21.1: type = splice_block %.loc4_21.7 [concrete = constants.%tuple.type.6e8] {
    118. 

  118. // CHECK:STDOUT:     %.loc4_11: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    119. 

  119. // CHECK:STDOUT:     %.loc4_15: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    120. 

  120. // CHECK:STDOUT:     %.loc4_16: %tuple.type.bcd = tuple_literal (%.loc4_11, %.loc4_15) [concrete = constants.%tuple.d8f]
    121. 

  121. // CHECK:STDOUT:     %.loc4_20: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    122. 

  122. // CHECK:STDOUT:     %.loc4_21.2: %tuple.type.6e8 = tuple_literal (%.loc4_16, %.loc4_20) [concrete = constants.%tuple.0ca]
    123. 

  123. // CHECK:STDOUT:     %.loc4_21.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    124. 

  124. // CHECK:STDOUT:     %.loc4_21.4: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    125. 

  125. // CHECK:STDOUT:     %.loc4_21.5: type = converted constants.%tuple.d8f, constants.%tuple.type.bcd [concrete = constants.%tuple.type.bcd]
    126. 

  126. // CHECK:STDOUT:     %.loc4_21.6: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    127. 

  127. // CHECK:STDOUT:     %.loc4_21.7: type = converted %.loc4_21.2, constants.%tuple.type.6e8 [concrete = constants.%tuple.type.6e8]
    128. 

  128. // CHECK:STDOUT:   }
    129. 

  129. // CHECK:STDOUT:   %x: ref %tuple.type.6e8 = ref_binding x, %x.var [concrete = %x.var]
    130. 

  130. // CHECK:STDOUT: }
    131. 

  131. // CHECK:STDOUT:
    132. 

  132. // CHECK:STDOUT: fn @__global_init() {
    133. 

  133. // CHECK:STDOUT: !entry:
    134. 

  134. // CHECK:STDOUT:   %.loc4_28.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    135. 

  135. // CHECK:STDOUT:   %.loc4_32.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    136. 

  136. // CHECK:STDOUT:   %.loc4_33.1: %tuple.type.bcd = tuple_literal (%.loc4_28.1, %.loc4_32.1) [concrete = constants.%tuple.d8f]
    137. 

  137. // CHECK:STDOUT:   %.loc4_37.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    138. 

  138. // CHECK:STDOUT:   %.loc4_38.1: %tuple.type.6e8 = tuple_literal (%.loc4_33.1, %.loc4_37.1) [concrete = constants.%tuple.0ca]
    139. 

  139. // CHECK:STDOUT:   %tuple.elem0.loc4_38: ref %tuple.type.bcd = tuple_access file.%x.var, element0 [concrete = constants.%tuple.elem0.876]
    140. 

  140. // CHECK:STDOUT:   %tuple.elem0.loc4_33: ref %empty_tuple.type = tuple_access %tuple.elem0.loc4_38, element0 [concrete = constants.%tuple.elem0.b2a]
    141. 

  141. // CHECK:STDOUT:   %.loc4_28.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    142. 

  142. // CHECK:STDOUT:   %.loc4_33.2: init %empty_tuple.type = converted %.loc4_28.1, %.loc4_28.2 [concrete = constants.%empty_tuple]
    143. 

  143. // CHECK:STDOUT:   %tuple.elem1.loc4_33: ref %empty_tuple.type = tuple_access %tuple.elem0.loc4_38, element1 [concrete = constants.%tuple.elem1.894]
    144. 

  144. // CHECK:STDOUT:   %.loc4_32.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    145. 

  145. // CHECK:STDOUT:   %.loc4_33.3: init %empty_tuple.type = converted %.loc4_32.1, %.loc4_32.2 [concrete = constants.%empty_tuple]
    146. 

  146. // CHECK:STDOUT:   %.loc4_33.4: init %tuple.type.bcd to %tuple.elem0.loc4_38 = tuple_init (%.loc4_33.2, %.loc4_33.3) [concrete = constants.%tuple.d8f]
    147. 

  147. // CHECK:STDOUT:   %.loc4_38.2: init %tuple.type.bcd = converted %.loc4_33.1, %.loc4_33.4 [concrete = constants.%tuple.d8f]
    148. 

  148. // CHECK:STDOUT:   %tuple.elem1.loc4_38: ref %empty_tuple.type = tuple_access file.%x.var, element1 [concrete = constants.%tuple.elem1.adb]
    149. 

  149. // CHECK:STDOUT:   %.loc4_37.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    150. 

  150. // CHECK:STDOUT:   %.loc4_38.3: init %empty_tuple.type = converted %.loc4_37.1, %.loc4_37.2 [concrete = constants.%empty_tuple]
    151. 

  151. // CHECK:STDOUT:   %.loc4_38.4: init %tuple.type.6e8 to file.%x.var = tuple_init (%.loc4_38.2, %.loc4_38.3) [concrete = constants.%tuple.0ca]
    152. 

  152. // CHECK:STDOUT:   %.loc4_1: init %tuple.type.6e8 = converted %.loc4_38.1, %.loc4_38.4 [concrete = constants.%tuple.0ca]
    153. 

  153. // CHECK:STDOUT:   assign file.%x.var, %.loc4_1
    154. 

  154. // CHECK:STDOUT:   <elided>
    155. 

  155. // CHECK:STDOUT: }
    156. 

  156. // CHECK:STDOUT:
    157. 

  157. // CHECK:STDOUT: --- one_element.carbon
    158. 

  158. // CHECK:STDOUT:
    159. 

  159. // CHECK:STDOUT: constants {
    160. 

  160. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    161. 

  161. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
    162. 

  162. // CHECK:STDOUT:   %tuple.type: type = tuple_type (%empty_tuple.type) [concrete]
    163. 

  163. // CHECK:STDOUT:   %tuple: %tuple.type = tuple_value (%empty_tuple) [concrete]
    164. 

  164. // CHECK:STDOUT:   %pattern_type: type = pattern_type %tuple.type [concrete]
    165. 

  165. // CHECK:STDOUT:   %tuple.elem0.129: ref %empty_tuple.type = tuple_access file.%x.var, element0 [concrete]
    166. 

  166. // CHECK:STDOUT:   %tuple.elem0.b49: ref %empty_tuple.type = tuple_access file.%y.var, element0 [concrete]
    167. 

  167. // CHECK:STDOUT: }
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: file {
    170. 

  170. // CHECK:STDOUT:   name_binding_decl {
    171. 

  171. // CHECK:STDOUT:     %x.patt: %pattern_type = ref_binding_pattern x [concrete]
    172. 

  172. // CHECK:STDOUT:     %x.var_patt: %pattern_type = var_pattern %x.patt [concrete]
    173. 

  173. // CHECK:STDOUT:   }
    174. 

  174. // CHECK:STDOUT:   %x.var: ref %tuple.type = var %x.var_patt [concrete]
    175. 

  175. // CHECK:STDOUT:   %.loc4_12.1: type = splice_block %.loc4_12.4 [concrete = constants.%tuple.type] {
    176. 

  176. // CHECK:STDOUT:     %.loc4_10: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    177. 

  177. // CHECK:STDOUT:     %.loc4_12.2: %tuple.type = tuple_literal (%.loc4_10) [concrete = constants.%tuple]
    178. 

  178. // CHECK:STDOUT:     %.loc4_12.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    179. 

  179. // CHECK:STDOUT:     %.loc4_12.4: type = converted %.loc4_12.2, constants.%tuple.type [concrete = constants.%tuple.type]
    180. 

  180. // CHECK:STDOUT:   }
    181. 

  181. // CHECK:STDOUT:   %x: ref %tuple.type = ref_binding x, %x.var [concrete = %x.var]
    182. 

  182. // CHECK:STDOUT:   name_binding_decl {
    183. 

  183. // CHECK:STDOUT:     %y.patt: %pattern_type = ref_binding_pattern y [concrete]
    184. 

  184. // CHECK:STDOUT:     %y.var_patt: %pattern_type = var_pattern %y.patt [concrete]
    185. 

  185. // CHECK:STDOUT:   }
    186. 

  186. // CHECK:STDOUT:   %y.var: ref %tuple.type = var %y.var_patt [concrete]
    187. 

  187. // CHECK:STDOUT:   %.loc5_12.1: type = splice_block %.loc5_12.4 [concrete = constants.%tuple.type] {
    188. 

  188. // CHECK:STDOUT:     %.loc5_10: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    189. 

  189. // CHECK:STDOUT:     %.loc5_12.2: %tuple.type = tuple_literal (%.loc5_10) [concrete = constants.%tuple]
    190. 

  190. // CHECK:STDOUT:     %.loc5_12.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    191. 

  191. // CHECK:STDOUT:     %.loc5_12.4: type = converted %.loc5_12.2, constants.%tuple.type [concrete = constants.%tuple.type]
    192. 

  192. // CHECK:STDOUT:   }
    193. 

  193. // CHECK:STDOUT:   %y: ref %tuple.type = ref_binding y, %y.var [concrete = %y.var]
    194. 

  194. // CHECK:STDOUT: }
    195. 

  195. // CHECK:STDOUT:
    196. 

  196. // CHECK:STDOUT: fn @__global_init() {
    197. 

  197. // CHECK:STDOUT: !entry:
    198. 

  198. // CHECK:STDOUT:   %.loc4_18.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    199. 

  199. // CHECK:STDOUT:   %.loc4_20.1: %tuple.type = tuple_literal (%.loc4_18.1) [concrete = constants.%tuple]
    200. 

  200. // CHECK:STDOUT:   %tuple.elem0.loc4: ref %empty_tuple.type = tuple_access file.%x.var, element0 [concrete = constants.%tuple.elem0.129]
    201. 

  201. // CHECK:STDOUT:   %.loc4_18.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    202. 

  202. // CHECK:STDOUT:   %.loc4_20.2: init %empty_tuple.type = converted %.loc4_18.1, %.loc4_18.2 [concrete = constants.%empty_tuple]
    203. 

  203. // CHECK:STDOUT:   %.loc4_20.3: init %tuple.type to file.%x.var = tuple_init (%.loc4_20.2) [concrete = constants.%tuple]
    204. 

  204. // CHECK:STDOUT:   %.loc4_1: init %tuple.type = converted %.loc4_20.1, %.loc4_20.3 [concrete = constants.%tuple]
    205. 

  205. // CHECK:STDOUT:   assign file.%x.var, %.loc4_1
    206. 

  206. // CHECK:STDOUT:   %x.ref: ref %tuple.type = name_ref x, file.%x [concrete = file.%x.var]
    207. 

  207. // CHECK:STDOUT:   %tuple.elem0.loc5_16.1: ref %empty_tuple.type = tuple_access %x.ref, element0 [concrete = constants.%tuple.elem0.129]
    208. 

  208. // CHECK:STDOUT:   %tuple.elem0.loc5_16.2: ref %empty_tuple.type = tuple_access file.%y.var, element0 [concrete = constants.%tuple.elem0.b49]
    209. 

  209. // CHECK:STDOUT:   %.loc5_16.1: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    210. 

  210. // CHECK:STDOUT:   %.loc5_16.2: init %empty_tuple.type = converted %tuple.elem0.loc5_16.1, %.loc5_16.1 [concrete = constants.%empty_tuple]
    211. 

  211. // CHECK:STDOUT:   %.loc5_16.3: init %tuple.type to file.%y.var = tuple_init (%.loc5_16.2) [concrete = constants.%tuple]
    212. 

  212. // CHECK:STDOUT:   %.loc5_1: init %tuple.type = converted %x.ref, %.loc5_16.3 [concrete = constants.%tuple]
    213. 

  213. // CHECK:STDOUT:   assign file.%y.var, %.loc5_1
    214. 

  214. // CHECK:STDOUT:   <elided>
    215. 

  215. // CHECK:STDOUT: }
    216. 

  216. // CHECK:STDOUT:
    217. 

  217. // CHECK:STDOUT: --- two_elements.carbon
    218. 

  218. // CHECK:STDOUT:
    219. 

  219. // CHECK:STDOUT: constants {
    220. 

  220. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    221. 

  221. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
    222. 

  222. // CHECK:STDOUT:   %tuple.type: type = tuple_type (%empty_tuple.type, %empty_tuple.type) [concrete]
    223. 

  223. // CHECK:STDOUT:   %tuple: %tuple.type = tuple_value (%empty_tuple, %empty_tuple) [concrete]
    224. 

  224. // CHECK:STDOUT:   %pattern_type: type = pattern_type %tuple.type [concrete]
    225. 

  225. // CHECK:STDOUT:   %tuple.elem0.f07: ref %empty_tuple.type = tuple_access file.%x.var, element0 [concrete]
    226. 

  226. // CHECK:STDOUT:   %tuple.elem1.6f8: ref %empty_tuple.type = tuple_access file.%x.var, element1 [concrete]
    227. 

  227. // CHECK:STDOUT:   %tuple.elem0.2e2: ref %empty_tuple.type = tuple_access file.%y.var, element0 [concrete]
    228. 

  228. // CHECK:STDOUT:   %tuple.elem1.a5b: ref %empty_tuple.type = tuple_access file.%y.var, element1 [concrete]
    229. 

  229. // CHECK:STDOUT: }
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: file {
    232. 

  232. // CHECK:STDOUT:   name_binding_decl {
    233. 

  233. // CHECK:STDOUT:     %v.patt: %pattern_type = value_binding_pattern v [concrete]
    234. 

  234. // CHECK:STDOUT:   }
    235. 

  235. // CHECK:STDOUT:   %.loc4_15.1: type = splice_block %.loc4_15.5 [concrete = constants.%tuple.type] {
    236. 

  236. // CHECK:STDOUT:     %.loc4_10: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    237. 

  237. // CHECK:STDOUT:     %.loc4_14: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    238. 

  238. // CHECK:STDOUT:     %.loc4_15.2: %tuple.type = tuple_literal (%.loc4_10, %.loc4_14) [concrete = constants.%tuple]
    239. 

  239. // CHECK:STDOUT:     %.loc4_15.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    240. 

  240. // CHECK:STDOUT:     %.loc4_15.4: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    241. 

  241. // CHECK:STDOUT:     %.loc4_15.5: type = converted %.loc4_15.2, constants.%tuple.type [concrete = constants.%tuple.type]
    242. 

  242. // CHECK:STDOUT:   }
    243. 

  243. // CHECK:STDOUT:   %empty_tuple.loc4_21: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
    244. 

  244. // CHECK:STDOUT:   %.loc4_26.1: %empty_tuple.type = converted @__global_init.%.loc4_21, %empty_tuple.loc4_21 [concrete = constants.%empty_tuple]
    245. 

  245. // CHECK:STDOUT:   %empty_tuple.loc4_25: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
    246. 

  246. // CHECK:STDOUT:   %.loc4_26.2: %empty_tuple.type = converted @__global_init.%.loc4_25, %empty_tuple.loc4_25 [concrete = constants.%empty_tuple]
    247. 

  247. // CHECK:STDOUT:   %tuple: %tuple.type = tuple_value (%.loc4_26.1, %.loc4_26.2) [concrete = constants.%tuple]
    248. 

  248. // CHECK:STDOUT:   %.loc4_26.3: %tuple.type = converted @__global_init.%.loc4_26, %tuple [concrete = constants.%tuple]
    249. 

  249. // CHECK:STDOUT:   %v: %tuple.type = value_binding v, %.loc4_26.3
    250. 

  250. // CHECK:STDOUT:   name_binding_decl {
    251. 

  251. // CHECK:STDOUT:     %w.patt: %pattern_type = value_binding_pattern w [concrete]
    252. 

  252. // CHECK:STDOUT:   }
    253. 

  253. // CHECK:STDOUT:   %.loc5_15.1: type = splice_block %.loc5_15.5 [concrete = constants.%tuple.type] {
    254. 

  254. // CHECK:STDOUT:     %.loc5_10: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    255. 

  255. // CHECK:STDOUT:     %.loc5_14: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    256. 

  256. // CHECK:STDOUT:     %.loc5_15.2: %tuple.type = tuple_literal (%.loc5_10, %.loc5_14) [concrete = constants.%tuple]
    257. 

  257. // CHECK:STDOUT:     %.loc5_15.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    258. 

  258. // CHECK:STDOUT:     %.loc5_15.4: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    259. 

  259. // CHECK:STDOUT:     %.loc5_15.5: type = converted %.loc5_15.2, constants.%tuple.type [concrete = constants.%tuple.type]
    260. 

  260. // CHECK:STDOUT:   }
    261. 

  261. // CHECK:STDOUT:   %w: %tuple.type = value_binding w, @__global_init.%v.ref
    262. 

  262. // CHECK:STDOUT:   name_binding_decl {
    263. 

  263. // CHECK:STDOUT:     %x.patt: %pattern_type = ref_binding_pattern x [concrete]
    264. 

  264. // CHECK:STDOUT:     %x.var_patt: %pattern_type = var_pattern %x.patt [concrete]
    265. 

  265. // CHECK:STDOUT:   }
    266. 

  266. // CHECK:STDOUT:   %x.var: ref %tuple.type = var %x.var_patt [concrete]
    267. 

  267. // CHECK:STDOUT:   %.loc7_15.1: type = splice_block %.loc7_15.5 [concrete = constants.%tuple.type] {
    268. 

  268. // CHECK:STDOUT:     %.loc7_10: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    269. 

  269. // CHECK:STDOUT:     %.loc7_14: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    270. 

  270. // CHECK:STDOUT:     %.loc7_15.2: %tuple.type = tuple_literal (%.loc7_10, %.loc7_14) [concrete = constants.%tuple]
    271. 

  271. // CHECK:STDOUT:     %.loc7_15.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    272. 

  272. // CHECK:STDOUT:     %.loc7_15.4: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    273. 

  273. // CHECK:STDOUT:     %.loc7_15.5: type = converted %.loc7_15.2, constants.%tuple.type [concrete = constants.%tuple.type]
    274. 

  274. // CHECK:STDOUT:   }
    275. 

  275. // CHECK:STDOUT:   %x: ref %tuple.type = ref_binding x, %x.var [concrete = %x.var]
    276. 

  276. // CHECK:STDOUT:   name_binding_decl {
    277. 

  277. // CHECK:STDOUT:     %y.patt: %pattern_type = ref_binding_pattern y [concrete]
    278. 

  278. // CHECK:STDOUT:     %y.var_patt: %pattern_type = var_pattern %y.patt [concrete]
    279. 

  279. // CHECK:STDOUT:   }
    280. 

  280. // CHECK:STDOUT:   %y.var: ref %tuple.type = var %y.var_patt [concrete]
    281. 

  281. // CHECK:STDOUT:   %.loc8_15.1: type = splice_block %.loc8_15.5 [concrete = constants.%tuple.type] {
    282. 

  282. // CHECK:STDOUT:     %.loc8_10: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    283. 

  283. // CHECK:STDOUT:     %.loc8_14: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    284. 

  284. // CHECK:STDOUT:     %.loc8_15.2: %tuple.type = tuple_literal (%.loc8_10, %.loc8_14) [concrete = constants.%tuple]
    285. 

  285. // CHECK:STDOUT:     %.loc8_15.3: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    286. 

  286. // CHECK:STDOUT:     %.loc8_15.4: type = converted constants.%empty_tuple, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    287. 

  287. // CHECK:STDOUT:     %.loc8_15.5: type = converted %.loc8_15.2, constants.%tuple.type [concrete = constants.%tuple.type]
    288. 

  288. // CHECK:STDOUT:   }
    289. 

  289. // CHECK:STDOUT:   %y: ref %tuple.type = ref_binding y, %y.var [concrete = %y.var]
    290. 

  290. // CHECK:STDOUT: }
    291. 

  291. // CHECK:STDOUT:
    292. 

  292. // CHECK:STDOUT: fn @__global_init() {
    293. 

  293. // CHECK:STDOUT: !entry:
    294. 

  294. // CHECK:STDOUT:   %.loc4_21: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    295. 

  295. // CHECK:STDOUT:   %.loc4_25: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    296. 

  296. // CHECK:STDOUT:   %.loc4_26: %tuple.type = tuple_literal (%.loc4_21, %.loc4_25) [concrete = constants.%tuple]
    297. 

  297. // CHECK:STDOUT:   %v.ref: %tuple.type = name_ref v, file.%v
    298. 

  298. // CHECK:STDOUT:   %.loc7_21.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    299. 

  299. // CHECK:STDOUT:   %.loc7_25.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
    300. 

  300. // CHECK:STDOUT:   %.loc7_26.1: %tuple.type = tuple_literal (%.loc7_21.1, %.loc7_25.1) [concrete = constants.%tuple]
    301. 

  301. // CHECK:STDOUT:   %tuple.elem0.loc7: ref %empty_tuple.type = tuple_access file.%x.var, element0 [concrete = constants.%tuple.elem0.f07]
    302. 

  302. // CHECK:STDOUT:   %.loc7_21.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    303. 

  303. // CHECK:STDOUT:   %.loc7_26.2: init %empty_tuple.type = converted %.loc7_21.1, %.loc7_21.2 [concrete = constants.%empty_tuple]
    304. 

  304. // CHECK:STDOUT:   %tuple.elem1.loc7: ref %empty_tuple.type = tuple_access file.%x.var, element1 [concrete = constants.%tuple.elem1.6f8]
    305. 

  305. // CHECK:STDOUT:   %.loc7_25.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    306. 

  306. // CHECK:STDOUT:   %.loc7_26.3: init %empty_tuple.type = converted %.loc7_25.1, %.loc7_25.2 [concrete = constants.%empty_tuple]
    307. 

  307. // CHECK:STDOUT:   %.loc7_26.4: init %tuple.type to file.%x.var = tuple_init (%.loc7_26.2, %.loc7_26.3) [concrete = constants.%tuple]
    308. 

  308. // CHECK:STDOUT:   %.loc7_1: init %tuple.type = converted %.loc7_26.1, %.loc7_26.4 [concrete = constants.%tuple]
    309. 

  309. // CHECK:STDOUT:   assign file.%x.var, %.loc7_1
    310. 

  310. // CHECK:STDOUT:   %x.ref: ref %tuple.type = name_ref x, file.%x [concrete = file.%x.var]
    311. 

  311. // CHECK:STDOUT:   %tuple.elem0.loc8_19.1: ref %empty_tuple.type = tuple_access %x.ref, element0 [concrete = constants.%tuple.elem0.f07]
    312. 

  312. // CHECK:STDOUT:   %tuple.elem0.loc8_19.2: ref %empty_tuple.type = tuple_access file.%y.var, element0 [concrete = constants.%tuple.elem0.2e2]
    313. 

  313. // CHECK:STDOUT:   %.loc8_19.1: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    314. 

  314. // CHECK:STDOUT:   %.loc8_19.2: init %empty_tuple.type = converted %tuple.elem0.loc8_19.1, %.loc8_19.1 [concrete = constants.%empty_tuple]
    315. 

  315. // CHECK:STDOUT:   %tuple.elem1.loc8_19.1: ref %empty_tuple.type = tuple_access %x.ref, element1 [concrete = constants.%tuple.elem1.6f8]
    316. 

  316. // CHECK:STDOUT:   %tuple.elem1.loc8_19.2: ref %empty_tuple.type = tuple_access file.%y.var, element1 [concrete = constants.%tuple.elem1.a5b]
    317. 

  317. // CHECK:STDOUT:   %.loc8_19.3: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
    318. 

  318. // CHECK:STDOUT:   %.loc8_19.4: init %empty_tuple.type = converted %tuple.elem1.loc8_19.1, %.loc8_19.3 [concrete = constants.%empty_tuple]
    319. 

  319. // CHECK:STDOUT:   %.loc8_19.5: init %tuple.type to file.%y.var = tuple_init (%.loc8_19.2, %.loc8_19.4) [concrete = constants.%tuple]
    320. 

  320. // CHECK:STDOUT:   %.loc8_1: init %tuple.type = converted %x.ref, %.loc8_19.5 [concrete = constants.%tuple]
    321. 

  321. // CHECK:STDOUT:   assign file.%y.var, %.loc8_1
    322. 

  322. // CHECK:STDOUT:   <elided>
    323. 

  323. // CHECK:STDOUT: }
    324. 

  324. // CHECK:STDOUT:
    325.