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carbon-lang
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toolchain
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check
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testdata
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tuple
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no_prelude
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tuple_pattern.carbon

tuple_pattern.carbon 34 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. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/tuple/no_prelude/tuple_pattern.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/tuple/no_prelude/tuple_pattern.carbon
    10. 

  10. 

  11. 

  12. // --- basic.carbon
    13. 

  13. 

  14. library "[[@TEST_NAME]]";
    15. 

  15. 

  16. fn F() {
    17. 

  17.   let (x: {}, y: {}) = ({}, {});
    18. 

  18.   var (a: {}, b: {});
    19. 

  19.   var (c: {}, d: {}) = ({}, {});
    20. 

  20. }
    21. 

  21. 

  22. // --- variable.carbon
    23. 

  23. 

  24. library "[[@TEST_NAME]]";
    25. 

  25. 

  26. fn F() {
    27. 

  27.   var tuple: ({}, {}) = ({}, {});
    28. 

  28.   var (x: {}, y: {}) = tuple;
    29. 

  29. }
    30. 

  30. 

  31. fn G() {
    32. 

  32.   let tuple: ({}, {}) = ({}, {});
    33. 

  33.   var (x: {}, y: {}) = tuple;
    34. 

  34. }
    35. 

  35. 

  36. fn MakeTuple() -> ({}, {});
    37. 

  37. 

  38. fn H() {
    39. 

  39.   var (x: {}, y: {}) = MakeTuple();
    40. 

  40. }
    41. 

  41. 

  42. // --- nested.carbon
    43. 

  43. 

  44. library "[[@TEST_NAME]]";
    45. 

  45. 

  46. fn F() {
    47. 

  47.   let (x: {}, (y: {}, z: {})) = ({}, ({}, {}));
    48. 

  48. }
    49. 

  49. 

  50. // --- package_scope.carbon
    51. 

  51. 

  52. library "[[@TEST_NAME]]";
    53. 

  53. 

  54. let (x: {}, y: {}) = ({}, {});
    55. 

  55. 

  56. // --- fail_in_interface.carbon
    57. 

  57. 

  58. library "[[@TEST_NAME]]";
    59. 

  59. 

  60. interface I {
    61. 

  61.   // CHECK:STDERR: fail_in_interface.carbon:[[@LINE+4]]:7: error: pattern in associated constant declaration must be a single `:!` binding [ExpectedSymbolicBindingInAssociatedConstant]
    62. 

  62.   // CHECK:STDERR:   let (x: {}, y: {});
    63. 

  63.   // CHECK:STDERR:       ^~~~~~~~~~~~~~
    64. 

  64.   // CHECK:STDERR:
    65. 

  65.   let (x: {}, y: {});
    66. 

  66. }
    67. 

  67. 

  68. // --- fail_in_class.carbon
    69. 

  69. 

  70. library "[[@TEST_NAME]]";
    71. 

  71. 

  72. class C {
    73. 

  73.   // CHECK:STDERR: fail_in_class.carbon:[[@LINE+4]]:7: error: pattern in field declaration is not a single `:` binding [ExpectedSymbolicBindingInFieldDecl]
    74. 

  74.   // CHECK:STDERR:   var (x: {}, y: {});
    75. 

  75.   // CHECK:STDERR:       ^~~~~~~~~~~~~~
    76. 

  76.   // CHECK:STDERR:
    77. 

  77.   var (x: {}, y: {});
    78. 

  78. }
    79. 

  79. 

  80. // --- fail_initializer_mismatch.carbon
    81. 

  81. 

  82. library "[[@TEST_NAME]]";
    83. 

  83. 

  84. // CHECK:STDERR: fail_initializer_mismatch.carbon:[[@LINE+4]]:5: error: tuple pattern expects 2 elements, but tuple literal has 1 [TuplePatternSizeDoesntMatchLiteral]
    85. 

  85. // CHECK:STDERR: let (x: {}, y: {}) = ({},);
    86. 

  86. // CHECK:STDERR:     ^~~~~~~~~~~~~~
    87. 

  87. // CHECK:STDERR:
    88. 

  88. let (x: {}, y: {}) = ({},);
    89. 

  89. 

  90. // CHECK:STDERR: fail_initializer_mismatch.carbon:[[@LINE+4]]:5: error: tuple pattern expects 2 elements, but tuple literal has 3 [TuplePatternSizeDoesntMatchLiteral]
    91. 

  91. // CHECK:STDERR: let (a: {}, b: {}) = ({}, {}, {});
    92. 

  92. // CHECK:STDERR:     ^~~~~~~~~~~~~~
    93. 

  93. // CHECK:STDERR:
    94. 

  94. let (a: {}, b: {}) = ({}, {}, {});
    95. 

  95. 

  96. // CHECK:STDOUT: --- basic.carbon
    97. 

  97. // CHECK:STDOUT:
    98. 

  98. // CHECK:STDOUT: constants {
    99. 

  99. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    100. 

  100. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    101. 

  101. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    102. 

  102. // CHECK:STDOUT:   %tuple.type.b6b: type = tuple_type (%empty_struct_type, %empty_struct_type) [concrete]
    103. 

  103. // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
    104. 

  104. // CHECK:STDOUT:   %tuple: %tuple.type.b6b = tuple_value (%empty_struct, %empty_struct) [concrete]
    105. 

  105. // CHECK:STDOUT: }
    106. 

  106. // CHECK:STDOUT:
    107. 

  107. // CHECK:STDOUT: file {
    108. 

  108. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    109. 

  109. // CHECK:STDOUT:     .F = %F.decl
    110. 

  110. // CHECK:STDOUT:   }
    111. 

  111. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: fn @F() {
    115. 

  115. // CHECK:STDOUT: !entry:
    116. 

  116. // CHECK:STDOUT:   name_binding_decl {
    117. 

  117. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    118. 

  118. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    119. 

  119. // CHECK:STDOUT:     %.loc5_20: %tuple.type.b6b = tuple_pattern (%x.patt, %y.patt)
    120. 

  120. // CHECK:STDOUT:   }
    121. 

  121. // CHECK:STDOUT:   %.loc5_26.1: %empty_struct_type = struct_literal ()
    122. 

  122. // CHECK:STDOUT:   %.loc5_30.1: %empty_struct_type = struct_literal ()
    123. 

  123. // CHECK:STDOUT:   %.loc5_31: %tuple.type.b6b = tuple_literal (%.loc5_26.1, %.loc5_30.1)
    124. 

  124. // CHECK:STDOUT:   %.loc5_12.1: type = splice_block %.loc5_12.3 [concrete = constants.%empty_struct_type] {
    125. 

  125. // CHECK:STDOUT:     %.loc5_12.2: %empty_struct_type = struct_literal ()
    126. 

  126. // CHECK:STDOUT:     %.loc5_12.3: type = converted %.loc5_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    127. 

  127. // CHECK:STDOUT:   }
    128. 

  128. // CHECK:STDOUT:   %empty_struct.loc5_26: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    129. 

  129. // CHECK:STDOUT:   %.loc5_26.2: %empty_struct_type = converted %.loc5_26.1, %empty_struct.loc5_26 [concrete = constants.%empty_struct]
    130. 

  130. // CHECK:STDOUT:   %x: %empty_struct_type = bind_name x, %.loc5_26.2
    131. 

  131. // CHECK:STDOUT:   %.loc5_19.1: type = splice_block %.loc5_19.3 [concrete = constants.%empty_struct_type] {
    132. 

  132. // CHECK:STDOUT:     %.loc5_19.2: %empty_struct_type = struct_literal ()
    133. 

  133. // CHECK:STDOUT:     %.loc5_19.3: type = converted %.loc5_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    134. 

  134. // CHECK:STDOUT:   }
    135. 

  135. // CHECK:STDOUT:   %empty_struct.loc5_30: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    136. 

  136. // CHECK:STDOUT:   %.loc5_30.2: %empty_struct_type = converted %.loc5_30.1, %empty_struct.loc5_30 [concrete = constants.%empty_struct]
    137. 

  137. // CHECK:STDOUT:   %y: %empty_struct_type = bind_name y, %.loc5_30.2
    138. 

  138. // CHECK:STDOUT:   name_binding_decl {
    139. 

  139. // CHECK:STDOUT:     %a.patt: %empty_struct_type = binding_pattern a
    140. 

  140. // CHECK:STDOUT:     %b.patt: %empty_struct_type = binding_pattern b
    141. 

  141. // CHECK:STDOUT:     %.loc6_20: %tuple.type.b6b = tuple_pattern (%a.patt, %b.patt)
    142. 

  142. // CHECK:STDOUT:     %.loc6_3: %tuple.type.b6b = var_pattern %.loc6_20
    143. 

  143. // CHECK:STDOUT:   }
    144. 

  144. // CHECK:STDOUT:   %.var.loc6: ref %tuple.type.b6b = var <none>
    145. 

  145. // CHECK:STDOUT:   %tuple.elem0.loc6: ref %empty_struct_type = tuple_access %.var.loc6, element0
    146. 

  146. // CHECK:STDOUT:   %tuple.elem1.loc6: ref %empty_struct_type = tuple_access %.var.loc6, element1
    147. 

  147. // CHECK:STDOUT:   %.loc6_12.1: type = splice_block %.loc6_12.3 [concrete = constants.%empty_struct_type] {
    148. 

  148. // CHECK:STDOUT:     %.loc6_12.2: %empty_struct_type = struct_literal ()
    149. 

  149. // CHECK:STDOUT:     %.loc6_12.3: type = converted %.loc6_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    150. 

  150. // CHECK:STDOUT:   }
    151. 

  151. // CHECK:STDOUT:   %a: ref %empty_struct_type = bind_name a, %tuple.elem0.loc6
    152. 

  152. // CHECK:STDOUT:   %.loc6_19.1: type = splice_block %.loc6_19.3 [concrete = constants.%empty_struct_type] {
    153. 

  153. // CHECK:STDOUT:     %.loc6_19.2: %empty_struct_type = struct_literal ()
    154. 

  154. // CHECK:STDOUT:     %.loc6_19.3: type = converted %.loc6_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    155. 

  155. // CHECK:STDOUT:   }
    156. 

  156. // CHECK:STDOUT:   %b: ref %empty_struct_type = bind_name b, %tuple.elem1.loc6
    157. 

  157. // CHECK:STDOUT:   name_binding_decl {
    158. 

  158. // CHECK:STDOUT:     %c.patt: %empty_struct_type = binding_pattern c
    159. 

  159. // CHECK:STDOUT:     %d.patt: %empty_struct_type = binding_pattern d
    160. 

  160. // CHECK:STDOUT:     %.loc7_20: %tuple.type.b6b = tuple_pattern (%c.patt, %d.patt)
    161. 

  161. // CHECK:STDOUT:     %.loc7_3.1: %tuple.type.b6b = var_pattern %.loc7_20
    162. 

  162. // CHECK:STDOUT:   }
    163. 

  163. // CHECK:STDOUT:   %.var.loc7: ref %tuple.type.b6b = var <none>
    164. 

  164. // CHECK:STDOUT:   %.loc7_26.1: %empty_struct_type = struct_literal ()
    165. 

  165. // CHECK:STDOUT:   %.loc7_30.1: %empty_struct_type = struct_literal ()
    166. 

  166. // CHECK:STDOUT:   %.loc7_31.1: %tuple.type.b6b = tuple_literal (%.loc7_26.1, %.loc7_30.1)
    167. 

  167. // CHECK:STDOUT:   %tuple.elem0.loc7_31: ref %empty_struct_type = tuple_access %.var.loc7, element0
    168. 

  168. // CHECK:STDOUT:   %.loc7_26.2: init %empty_struct_type = struct_init () to %tuple.elem0.loc7_31 [concrete = constants.%empty_struct]
    169. 

  169. // CHECK:STDOUT:   %.loc7_31.2: init %empty_struct_type = converted %.loc7_26.1, %.loc7_26.2 [concrete = constants.%empty_struct]
    170. 

  170. // CHECK:STDOUT:   %tuple.elem1.loc7_31: ref %empty_struct_type = tuple_access %.var.loc7, element1
    171. 

  171. // CHECK:STDOUT:   %.loc7_30.2: init %empty_struct_type = struct_init () to %tuple.elem1.loc7_31 [concrete = constants.%empty_struct]
    172. 

  172. // CHECK:STDOUT:   %.loc7_31.3: init %empty_struct_type = converted %.loc7_30.1, %.loc7_30.2 [concrete = constants.%empty_struct]
    173. 

  173. // CHECK:STDOUT:   %.loc7_31.4: init %tuple.type.b6b = tuple_init (%.loc7_31.2, %.loc7_31.3) to %.var.loc7 [concrete = constants.%tuple]
    174. 

  174. // CHECK:STDOUT:   %.loc7_3.2: init %tuple.type.b6b = converted %.loc7_31.1, %.loc7_31.4 [concrete = constants.%tuple]
    175. 

  175. // CHECK:STDOUT:   assign %.var.loc7, %.loc7_3.2
    176. 

  176. // CHECK:STDOUT:   %tuple.elem0.loc7_3: ref %empty_struct_type = tuple_access %.var.loc7, element0
    177. 

  177. // CHECK:STDOUT:   %tuple.elem1.loc7_3: ref %empty_struct_type = tuple_access %.var.loc7, element1
    178. 

  178. // CHECK:STDOUT:   %.loc7_12.1: type = splice_block %.loc7_12.3 [concrete = constants.%empty_struct_type] {
    179. 

  179. // CHECK:STDOUT:     %.loc7_12.2: %empty_struct_type = struct_literal ()
    180. 

  180. // CHECK:STDOUT:     %.loc7_12.3: type = converted %.loc7_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    181. 

  181. // CHECK:STDOUT:   }
    182. 

  182. // CHECK:STDOUT:   %c: ref %empty_struct_type = bind_name c, %tuple.elem0.loc7_3
    183. 

  183. // CHECK:STDOUT:   %.loc7_19.1: type = splice_block %.loc7_19.3 [concrete = constants.%empty_struct_type] {
    184. 

  184. // CHECK:STDOUT:     %.loc7_19.2: %empty_struct_type = struct_literal ()
    185. 

  185. // CHECK:STDOUT:     %.loc7_19.3: type = converted %.loc7_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    186. 

  186. // CHECK:STDOUT:   }
    187. 

  187. // CHECK:STDOUT:   %d: ref %empty_struct_type = bind_name d, %tuple.elem1.loc7_3
    188. 

  188. // CHECK:STDOUT:   return
    189. 

  189. // CHECK:STDOUT: }
    190. 

  190. // CHECK:STDOUT:
    191. 

  191. // CHECK:STDOUT: --- variable.carbon
    192. 

  192. // CHECK:STDOUT:
    193. 

  193. // CHECK:STDOUT: constants {
    194. 

  194. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    195. 

  195. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    196. 

  196. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    197. 

  197. // CHECK:STDOUT:   %tuple.type.b6b: type = tuple_type (%empty_struct_type, %empty_struct_type) [concrete]
    198. 

  198. // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
    199. 

  199. // CHECK:STDOUT:   %tuple: %tuple.type.b6b = tuple_value (%empty_struct, %empty_struct) [concrete]
    200. 

  200. // CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
    201. 

  201. // CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
    202. 

  202. // CHECK:STDOUT:   %MakeTuple.type: type = fn_type @MakeTuple [concrete]
    203. 

  203. // CHECK:STDOUT:   %MakeTuple: %MakeTuple.type = struct_value () [concrete]
    204. 

  204. // CHECK:STDOUT:   %H.type: type = fn_type @H [concrete]
    205. 

  205. // CHECK:STDOUT:   %H: %H.type = struct_value () [concrete]
    206. 

  206. // CHECK:STDOUT: }
    207. 

  207. // CHECK:STDOUT:
    208. 

  208. // CHECK:STDOUT: file {
    209. 

  209. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    210. 

  210. // CHECK:STDOUT:     .F = %F.decl
    211. 

  211. // CHECK:STDOUT:     .G = %G.decl
    212. 

  212. // CHECK:STDOUT:     .MakeTuple = %MakeTuple.decl
    213. 

  213. // CHECK:STDOUT:     .H = %H.decl
    214. 

  214. // CHECK:STDOUT:   }
    215. 

  215. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    216. 

  216. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
    217. 

  217. // CHECK:STDOUT:   %MakeTuple.decl: %MakeTuple.type = fn_decl @MakeTuple [concrete = constants.%MakeTuple] {
    218. 

  218. // CHECK:STDOUT:     %return.patt: %tuple.type.b6b = return_slot_pattern
    219. 

  219. // CHECK:STDOUT:     %return.param_patt: %tuple.type.b6b = out_param_pattern %return.patt, call_param0
    220. 

  220. // CHECK:STDOUT:   } {
    221. 

  221. // CHECK:STDOUT:     %.loc14_21: %empty_struct_type = struct_literal ()
    222. 

  222. // CHECK:STDOUT:     %.loc14_25: %empty_struct_type = struct_literal ()
    223. 

  223. // CHECK:STDOUT:     %.loc14_26.1: %tuple.type.b6b = tuple_literal (%.loc14_21, %.loc14_25)
    224. 

  224. // CHECK:STDOUT:     %.loc14_26.2: type = converted %.loc14_21, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    225. 

  225. // CHECK:STDOUT:     %.loc14_26.3: type = converted %.loc14_25, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    226. 

  226. // CHECK:STDOUT:     %.loc14_26.4: type = converted %.loc14_26.1, constants.%tuple.type.b6b [concrete = constants.%tuple.type.b6b]
    227. 

  227. // CHECK:STDOUT:     %return.param: ref %tuple.type.b6b = out_param call_param0
    228. 

  228. // CHECK:STDOUT:     %return: ref %tuple.type.b6b = return_slot %return.param
    229. 

  229. // CHECK:STDOUT:   }
    230. 

  230. // CHECK:STDOUT:   %H.decl: %H.type = fn_decl @H [concrete = constants.%H] {} {}
    231. 

  231. // CHECK:STDOUT: }
    232. 

  232. // CHECK:STDOUT:
    233. 

  233. // CHECK:STDOUT: fn @F() {
    234. 

  234. // CHECK:STDOUT: !entry:
    235. 

  235. // CHECK:STDOUT:   name_binding_decl {
    236. 

  236. // CHECK:STDOUT:     %tuple.patt: %tuple.type.b6b = binding_pattern tuple
    237. 

  237. // CHECK:STDOUT:     %.loc5_3.1: %tuple.type.b6b = var_pattern %tuple.patt
    238. 

  238. // CHECK:STDOUT:   }
    239. 

  239. // CHECK:STDOUT:   %tuple.var: ref %tuple.type.b6b = var tuple
    240. 

  240. // CHECK:STDOUT:   %.loc5_27.1: %empty_struct_type = struct_literal ()
    241. 

  241. // CHECK:STDOUT:   %.loc5_31.1: %empty_struct_type = struct_literal ()
    242. 

  242. // CHECK:STDOUT:   %.loc5_32.1: %tuple.type.b6b = tuple_literal (%.loc5_27.1, %.loc5_31.1)
    243. 

  243. // CHECK:STDOUT:   %tuple.elem0.loc5: ref %empty_struct_type = tuple_access %tuple.var, element0
    244. 

  244. // CHECK:STDOUT:   %.loc5_27.2: init %empty_struct_type = struct_init () to %tuple.elem0.loc5 [concrete = constants.%empty_struct]
    245. 

  245. // CHECK:STDOUT:   %.loc5_32.2: init %empty_struct_type = converted %.loc5_27.1, %.loc5_27.2 [concrete = constants.%empty_struct]
    246. 

  246. // CHECK:STDOUT:   %tuple.elem1.loc5: ref %empty_struct_type = tuple_access %tuple.var, element1
    247. 

  247. // CHECK:STDOUT:   %.loc5_31.2: init %empty_struct_type = struct_init () to %tuple.elem1.loc5 [concrete = constants.%empty_struct]
    248. 

  248. // CHECK:STDOUT:   %.loc5_32.3: init %empty_struct_type = converted %.loc5_31.1, %.loc5_31.2 [concrete = constants.%empty_struct]
    249. 

  249. // CHECK:STDOUT:   %.loc5_32.4: init %tuple.type.b6b = tuple_init (%.loc5_32.2, %.loc5_32.3) to %tuple.var [concrete = constants.%tuple]
    250. 

  250. // CHECK:STDOUT:   %.loc5_3.2: init %tuple.type.b6b = converted %.loc5_32.1, %.loc5_32.4 [concrete = constants.%tuple]
    251. 

  251. // CHECK:STDOUT:   assign %tuple.var, %.loc5_3.2
    252. 

  252. // CHECK:STDOUT:   %.loc5_21.1: type = splice_block %.loc5_21.5 [concrete = constants.%tuple.type.b6b] {
    253. 

  253. // CHECK:STDOUT:     %.loc5_16: %empty_struct_type = struct_literal ()
    254. 

  254. // CHECK:STDOUT:     %.loc5_20: %empty_struct_type = struct_literal ()
    255. 

  255. // CHECK:STDOUT:     %.loc5_21.2: %tuple.type.b6b = tuple_literal (%.loc5_16, %.loc5_20)
    256. 

  256. // CHECK:STDOUT:     %.loc5_21.3: type = converted %.loc5_16, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    257. 

  257. // CHECK:STDOUT:     %.loc5_21.4: type = converted %.loc5_20, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    258. 

  258. // CHECK:STDOUT:     %.loc5_21.5: type = converted %.loc5_21.2, constants.%tuple.type.b6b [concrete = constants.%tuple.type.b6b]
    259. 

  259. // CHECK:STDOUT:   }
    260. 

  260. // CHECK:STDOUT:   %tuple: ref %tuple.type.b6b = bind_name tuple, %tuple.var
    261. 

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

  262. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    263. 

  263. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    264. 

  264. // CHECK:STDOUT:     %.loc6_20: %tuple.type.b6b = tuple_pattern (%x.patt, %y.patt)
    265. 

  265. // CHECK:STDOUT:     %.loc6_3.1: %tuple.type.b6b = var_pattern %.loc6_20
    266. 

  266. // CHECK:STDOUT:   }
    267. 

  267. // CHECK:STDOUT:   %.var: ref %tuple.type.b6b = var <none>
    268. 

  268. // CHECK:STDOUT:   %tuple.ref: ref %tuple.type.b6b = name_ref tuple, %tuple
    269. 

  269. // CHECK:STDOUT:   %tuple.elem0.loc6_24.1: ref %empty_struct_type = tuple_access %tuple.ref, element0
    270. 

  270. // CHECK:STDOUT:   %tuple.elem0.loc6_24.2: ref %empty_struct_type = tuple_access %.var, element0
    271. 

  271. // CHECK:STDOUT:   %.loc6_24.1: init %empty_struct_type = struct_init () to %tuple.elem0.loc6_24.2 [concrete = constants.%empty_struct]
    272. 

  272. // CHECK:STDOUT:   %.loc6_24.2: init %empty_struct_type = converted %tuple.elem0.loc6_24.1, %.loc6_24.1 [concrete = constants.%empty_struct]
    273. 

  273. // CHECK:STDOUT:   %tuple.elem1.loc6_24.1: ref %empty_struct_type = tuple_access %tuple.ref, element1
    274. 

  274. // CHECK:STDOUT:   %tuple.elem1.loc6_24.2: ref %empty_struct_type = tuple_access %.var, element1
    275. 

  275. // CHECK:STDOUT:   %.loc6_24.3: init %empty_struct_type = struct_init () to %tuple.elem1.loc6_24.2 [concrete = constants.%empty_struct]
    276. 

  276. // CHECK:STDOUT:   %.loc6_24.4: init %empty_struct_type = converted %tuple.elem1.loc6_24.1, %.loc6_24.3 [concrete = constants.%empty_struct]
    277. 

  277. // CHECK:STDOUT:   %.loc6_24.5: init %tuple.type.b6b = tuple_init (%.loc6_24.2, %.loc6_24.4) to %.var [concrete = constants.%tuple]
    278. 

  278. // CHECK:STDOUT:   %.loc6_3.2: init %tuple.type.b6b = converted %tuple.ref, %.loc6_24.5 [concrete = constants.%tuple]
    279. 

  279. // CHECK:STDOUT:   assign %.var, %.loc6_3.2
    280. 

  280. // CHECK:STDOUT:   %tuple.elem0.loc6_3: ref %empty_struct_type = tuple_access %.var, element0
    281. 

  281. // CHECK:STDOUT:   %tuple.elem1.loc6_3: ref %empty_struct_type = tuple_access %.var, element1
    282. 

  282. // CHECK:STDOUT:   %.loc6_12.1: type = splice_block %.loc6_12.3 [concrete = constants.%empty_struct_type] {
    283. 

  283. // CHECK:STDOUT:     %.loc6_12.2: %empty_struct_type = struct_literal ()
    284. 

  284. // CHECK:STDOUT:     %.loc6_12.3: type = converted %.loc6_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    285. 

  285. // CHECK:STDOUT:   }
    286. 

  286. // CHECK:STDOUT:   %x: ref %empty_struct_type = bind_name x, %tuple.elem0.loc6_3
    287. 

  287. // CHECK:STDOUT:   %.loc6_19.1: type = splice_block %.loc6_19.3 [concrete = constants.%empty_struct_type] {
    288. 

  288. // CHECK:STDOUT:     %.loc6_19.2: %empty_struct_type = struct_literal ()
    289. 

  289. // CHECK:STDOUT:     %.loc6_19.3: type = converted %.loc6_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    290. 

  290. // CHECK:STDOUT:   }
    291. 

  291. // CHECK:STDOUT:   %y: ref %empty_struct_type = bind_name y, %tuple.elem1.loc6_3
    292. 

  292. // CHECK:STDOUT:   return
    293. 

  293. // CHECK:STDOUT: }
    294. 

  294. // CHECK:STDOUT:
    295. 

  295. // CHECK:STDOUT: fn @G() {
    296. 

  296. // CHECK:STDOUT: !entry:
    297. 

  297. // CHECK:STDOUT:   name_binding_decl {
    298. 

  298. // CHECK:STDOUT:     %tuple.patt: %tuple.type.b6b = binding_pattern tuple
    299. 

  299. // CHECK:STDOUT:   }
    300. 

  300. // CHECK:STDOUT:   %.loc10_27: %empty_struct_type = struct_literal ()
    301. 

  301. // CHECK:STDOUT:   %.loc10_31: %empty_struct_type = struct_literal ()
    302. 

  302. // CHECK:STDOUT:   %.loc10_32.1: %tuple.type.b6b = tuple_literal (%.loc10_27, %.loc10_31)
    303. 

  303. // CHECK:STDOUT:   %.loc10_21.1: type = splice_block %.loc10_21.5 [concrete = constants.%tuple.type.b6b] {
    304. 

  304. // CHECK:STDOUT:     %.loc10_16: %empty_struct_type = struct_literal ()
    305. 

  305. // CHECK:STDOUT:     %.loc10_20: %empty_struct_type = struct_literal ()
    306. 

  306. // CHECK:STDOUT:     %.loc10_21.2: %tuple.type.b6b = tuple_literal (%.loc10_16, %.loc10_20)
    307. 

  307. // CHECK:STDOUT:     %.loc10_21.3: type = converted %.loc10_16, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    308. 

  308. // CHECK:STDOUT:     %.loc10_21.4: type = converted %.loc10_20, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    309. 

  309. // CHECK:STDOUT:     %.loc10_21.5: type = converted %.loc10_21.2, constants.%tuple.type.b6b [concrete = constants.%tuple.type.b6b]
    310. 

  310. // CHECK:STDOUT:   }
    311. 

  311. // CHECK:STDOUT:   %empty_struct.loc10_27: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    312. 

  312. // CHECK:STDOUT:   %.loc10_32.2: %empty_struct_type = converted %.loc10_27, %empty_struct.loc10_27 [concrete = constants.%empty_struct]
    313. 

  313. // CHECK:STDOUT:   %empty_struct.loc10_31: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    314. 

  314. // CHECK:STDOUT:   %.loc10_32.3: %empty_struct_type = converted %.loc10_31, %empty_struct.loc10_31 [concrete = constants.%empty_struct]
    315. 

  315. // CHECK:STDOUT:   %tuple.loc10_32: %tuple.type.b6b = tuple_value (%.loc10_32.2, %.loc10_32.3) [concrete = constants.%tuple]
    316. 

  316. // CHECK:STDOUT:   %.loc10_32.4: %tuple.type.b6b = converted %.loc10_32.1, %tuple.loc10_32 [concrete = constants.%tuple]
    317. 

  317. // CHECK:STDOUT:   %tuple.loc10_7: %tuple.type.b6b = bind_name tuple, %.loc10_32.4
    318. 

  318. // CHECK:STDOUT:   name_binding_decl {
    319. 

  319. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    320. 

  320. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    321. 

  321. // CHECK:STDOUT:     %.loc11_20: %tuple.type.b6b = tuple_pattern (%x.patt, %y.patt)
    322. 

  322. // CHECK:STDOUT:     %.loc11_3.1: %tuple.type.b6b = var_pattern %.loc11_20
    323. 

  323. // CHECK:STDOUT:   }
    324. 

  324. // CHECK:STDOUT:   %.var: ref %tuple.type.b6b = var <none>
    325. 

  325. // CHECK:STDOUT:   %tuple.ref: %tuple.type.b6b = name_ref tuple, %tuple.loc10_7
    326. 

  326. // CHECK:STDOUT:   %tuple.elem0.loc11_24.1: %empty_struct_type = tuple_access %tuple.ref, element0
    327. 

  327. // CHECK:STDOUT:   %tuple.elem0.loc11_24.2: ref %empty_struct_type = tuple_access %.var, element0
    328. 

  328. // CHECK:STDOUT:   %.loc11_24.1: init %empty_struct_type = struct_init () to %tuple.elem0.loc11_24.2 [concrete = constants.%empty_struct]
    329. 

  329. // CHECK:STDOUT:   %.loc11_24.2: init %empty_struct_type = converted %tuple.elem0.loc11_24.1, %.loc11_24.1 [concrete = constants.%empty_struct]
    330. 

  330. // CHECK:STDOUT:   %tuple.elem1.loc11_24.1: %empty_struct_type = tuple_access %tuple.ref, element1
    331. 

  331. // CHECK:STDOUT:   %tuple.elem1.loc11_24.2: ref %empty_struct_type = tuple_access %.var, element1
    332. 

  332. // CHECK:STDOUT:   %.loc11_24.3: init %empty_struct_type = struct_init () to %tuple.elem1.loc11_24.2 [concrete = constants.%empty_struct]
    333. 

  333. // CHECK:STDOUT:   %.loc11_24.4: init %empty_struct_type = converted %tuple.elem1.loc11_24.1, %.loc11_24.3 [concrete = constants.%empty_struct]
    334. 

  334. // CHECK:STDOUT:   %.loc11_24.5: init %tuple.type.b6b = tuple_init (%.loc11_24.2, %.loc11_24.4) to %.var [concrete = constants.%tuple]
    335. 

  335. // CHECK:STDOUT:   %.loc11_3.2: init %tuple.type.b6b = converted %tuple.ref, %.loc11_24.5 [concrete = constants.%tuple]
    336. 

  336. // CHECK:STDOUT:   assign %.var, %.loc11_3.2
    337. 

  337. // CHECK:STDOUT:   %tuple.elem0.loc11_3: ref %empty_struct_type = tuple_access %.var, element0
    338. 

  338. // CHECK:STDOUT:   %tuple.elem1.loc11_3: ref %empty_struct_type = tuple_access %.var, element1
    339. 

  339. // CHECK:STDOUT:   %.loc11_12.1: type = splice_block %.loc11_12.3 [concrete = constants.%empty_struct_type] {
    340. 

  340. // CHECK:STDOUT:     %.loc11_12.2: %empty_struct_type = struct_literal ()
    341. 

  341. // CHECK:STDOUT:     %.loc11_12.3: type = converted %.loc11_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    342. 

  342. // CHECK:STDOUT:   }
    343. 

  343. // CHECK:STDOUT:   %x: ref %empty_struct_type = bind_name x, %tuple.elem0.loc11_3
    344. 

  344. // CHECK:STDOUT:   %.loc11_19.1: type = splice_block %.loc11_19.3 [concrete = constants.%empty_struct_type] {
    345. 

  345. // CHECK:STDOUT:     %.loc11_19.2: %empty_struct_type = struct_literal ()
    346. 

  346. // CHECK:STDOUT:     %.loc11_19.3: type = converted %.loc11_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    347. 

  347. // CHECK:STDOUT:   }
    348. 

  348. // CHECK:STDOUT:   %y: ref %empty_struct_type = bind_name y, %tuple.elem1.loc11_3
    349. 

  349. // CHECK:STDOUT:   return
    350. 

  350. // CHECK:STDOUT: }
    351. 

  351. // CHECK:STDOUT:
    352. 

  352. // CHECK:STDOUT: fn @MakeTuple() -> %tuple.type.b6b;
    353. 

  353. // CHECK:STDOUT:
    354. 

  354. // CHECK:STDOUT: fn @H() {
    355. 

  355. // CHECK:STDOUT: !entry:
    356. 

  356. // CHECK:STDOUT:   name_binding_decl {
    357. 

  357. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    358. 

  358. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    359. 

  359. // CHECK:STDOUT:     %.loc17_20: %tuple.type.b6b = tuple_pattern (%x.patt, %y.patt)
    360. 

  360. // CHECK:STDOUT:     %.loc17_3.1: %tuple.type.b6b = var_pattern %.loc17_20
    361. 

  361. // CHECK:STDOUT:   }
    362. 

  362. // CHECK:STDOUT:   %.var: ref %tuple.type.b6b = var <none>
    363. 

  363. // CHECK:STDOUT:   %MakeTuple.ref: %MakeTuple.type = name_ref MakeTuple, file.%MakeTuple.decl [concrete = constants.%MakeTuple]
    364. 

  364. // CHECK:STDOUT:   %.loc17_3.2: ref %tuple.type.b6b = splice_block %.var {}
    365. 

  365. // CHECK:STDOUT:   %MakeTuple.call: init %tuple.type.b6b = call %MakeTuple.ref() to %.loc17_3.2
    366. 

  366. // CHECK:STDOUT:   assign %.var, %MakeTuple.call
    367. 

  367. // CHECK:STDOUT:   %tuple.elem0: ref %empty_struct_type = tuple_access %.var, element0
    368. 

  368. // CHECK:STDOUT:   %tuple.elem1: ref %empty_struct_type = tuple_access %.var, element1
    369. 

  369. // CHECK:STDOUT:   %.loc17_12.1: type = splice_block %.loc17_12.3 [concrete = constants.%empty_struct_type] {
    370. 

  370. // CHECK:STDOUT:     %.loc17_12.2: %empty_struct_type = struct_literal ()
    371. 

  371. // CHECK:STDOUT:     %.loc17_12.3: type = converted %.loc17_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    372. 

  372. // CHECK:STDOUT:   }
    373. 

  373. // CHECK:STDOUT:   %x: ref %empty_struct_type = bind_name x, %tuple.elem0
    374. 

  374. // CHECK:STDOUT:   %.loc17_19.1: type = splice_block %.loc17_19.3 [concrete = constants.%empty_struct_type] {
    375. 

  375. // CHECK:STDOUT:     %.loc17_19.2: %empty_struct_type = struct_literal ()
    376. 

  376. // CHECK:STDOUT:     %.loc17_19.3: type = converted %.loc17_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    377. 

  377. // CHECK:STDOUT:   }
    378. 

  378. // CHECK:STDOUT:   %y: ref %empty_struct_type = bind_name y, %tuple.elem1
    379. 

  379. // CHECK:STDOUT:   return
    380. 

  380. // CHECK:STDOUT: }
    381. 

  381. // CHECK:STDOUT:
    382. 

  382. // CHECK:STDOUT: --- nested.carbon
    383. 

  383. // CHECK:STDOUT:
    384. 

  384. // CHECK:STDOUT: constants {
    385. 

  385. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    386. 

  386. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    387. 

  387. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    388. 

  388. // CHECK:STDOUT:   %tuple.type.b6b: type = tuple_type (%empty_struct_type, %empty_struct_type) [concrete]
    389. 

  389. // CHECK:STDOUT:   %tuple.type.6ca: type = tuple_type (%empty_struct_type, %tuple.type.b6b) [concrete]
    390. 

  390. // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
    391. 

  391. // CHECK:STDOUT: }
    392. 

  392. // CHECK:STDOUT:
    393. 

  393. // CHECK:STDOUT: file {
    394. 

  394. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    395. 

  395. // CHECK:STDOUT:     .F = %F.decl
    396. 

  396. // CHECK:STDOUT:   }
    397. 

  397. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    398. 

  398. // CHECK:STDOUT: }
    399. 

  399. // CHECK:STDOUT:
    400. 

  400. // CHECK:STDOUT: fn @F() {
    401. 

  401. // CHECK:STDOUT: !entry:
    402. 

  402. // CHECK:STDOUT:   name_binding_decl {
    403. 

  403. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    404. 

  404. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    405. 

  405. // CHECK:STDOUT:     %z.patt: %empty_struct_type = binding_pattern z
    406. 

  406. // CHECK:STDOUT:     %.loc5_28: %tuple.type.b6b = tuple_pattern (%y.patt, %z.patt)
    407. 

  407. // CHECK:STDOUT:     %.loc5_29: %tuple.type.6ca = tuple_pattern (%x.patt, %.loc5_28)
    408. 

  408. // CHECK:STDOUT:   }
    409. 

  409. // CHECK:STDOUT:   %.loc5_35.1: %empty_struct_type = struct_literal ()
    410. 

  410. // CHECK:STDOUT:   %.loc5_40.1: %empty_struct_type = struct_literal ()
    411. 

  411. // CHECK:STDOUT:   %.loc5_44.1: %empty_struct_type = struct_literal ()
    412. 

  412. // CHECK:STDOUT:   %.loc5_45: %tuple.type.b6b = tuple_literal (%.loc5_40.1, %.loc5_44.1)
    413. 

  413. // CHECK:STDOUT:   %.loc5_46: %tuple.type.6ca = tuple_literal (%.loc5_35.1, %.loc5_45)
    414. 

  414. // CHECK:STDOUT:   %.loc5_12.1: type = splice_block %.loc5_12.3 [concrete = constants.%empty_struct_type] {
    415. 

  415. // CHECK:STDOUT:     %.loc5_12.2: %empty_struct_type = struct_literal ()
    416. 

  416. // CHECK:STDOUT:     %.loc5_12.3: type = converted %.loc5_12.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    417. 

  417. // CHECK:STDOUT:   }
    418. 

  418. // CHECK:STDOUT:   %empty_struct.loc5_35: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    419. 

  419. // CHECK:STDOUT:   %.loc5_35.2: %empty_struct_type = converted %.loc5_35.1, %empty_struct.loc5_35 [concrete = constants.%empty_struct]
    420. 

  420. // CHECK:STDOUT:   %x: %empty_struct_type = bind_name x, %.loc5_35.2
    421. 

  421. // CHECK:STDOUT:   %.loc5_20.1: type = splice_block %.loc5_20.3 [concrete = constants.%empty_struct_type] {
    422. 

  422. // CHECK:STDOUT:     %.loc5_20.2: %empty_struct_type = struct_literal ()
    423. 

  423. // CHECK:STDOUT:     %.loc5_20.3: type = converted %.loc5_20.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    424. 

  424. // CHECK:STDOUT:   }
    425. 

  425. // CHECK:STDOUT:   %empty_struct.loc5_40: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    426. 

  426. // CHECK:STDOUT:   %.loc5_40.2: %empty_struct_type = converted %.loc5_40.1, %empty_struct.loc5_40 [concrete = constants.%empty_struct]
    427. 

  427. // CHECK:STDOUT:   %y: %empty_struct_type = bind_name y, %.loc5_40.2
    428. 

  428. // CHECK:STDOUT:   %.loc5_27.1: type = splice_block %.loc5_27.3 [concrete = constants.%empty_struct_type] {
    429. 

  429. // CHECK:STDOUT:     %.loc5_27.2: %empty_struct_type = struct_literal ()
    430. 

  430. // CHECK:STDOUT:     %.loc5_27.3: type = converted %.loc5_27.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    431. 

  431. // CHECK:STDOUT:   }
    432. 

  432. // CHECK:STDOUT:   %empty_struct.loc5_44: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    433. 

  433. // CHECK:STDOUT:   %.loc5_44.2: %empty_struct_type = converted %.loc5_44.1, %empty_struct.loc5_44 [concrete = constants.%empty_struct]
    434. 

  434. // CHECK:STDOUT:   %z: %empty_struct_type = bind_name z, %.loc5_44.2
    435. 

  435. // CHECK:STDOUT:   return
    436. 

  436. // CHECK:STDOUT: }
    437. 

  437. // CHECK:STDOUT:
    438. 

  438. // CHECK:STDOUT: --- package_scope.carbon
    439. 

  439. // CHECK:STDOUT:
    440. 

  440. // CHECK:STDOUT: constants {
    441. 

  441. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    442. 

  442. // CHECK:STDOUT:   %tuple.type: type = tuple_type (%empty_struct_type, %empty_struct_type) [concrete]
    443. 

  443. // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
    444. 

  444. // CHECK:STDOUT: }
    445. 

  445. // CHECK:STDOUT:
    446. 

  446. // CHECK:STDOUT: file {
    447. 

  447. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    448. 

  448. // CHECK:STDOUT:     .x = %x
    449. 

  449. // CHECK:STDOUT:     .y = %y
    450. 

  450. // CHECK:STDOUT:   }
    451. 

  451. // CHECK:STDOUT:   name_binding_decl {
    452. 

  452. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    453. 

  453. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    454. 

  454. // CHECK:STDOUT:     %.loc4_18: %tuple.type = tuple_pattern (%x.patt, %y.patt)
    455. 

  455. // CHECK:STDOUT:   }
    456. 

  456. // CHECK:STDOUT:   %.loc4_10.1: type = splice_block %.loc4_10.3 [concrete = constants.%empty_struct_type] {
    457. 

  457. // CHECK:STDOUT:     %.loc4_10.2: %empty_struct_type = struct_literal ()
    458. 

  458. // CHECK:STDOUT:     %.loc4_10.3: type = converted %.loc4_10.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    459. 

  459. // CHECK:STDOUT:   }
    460. 

  460. // CHECK:STDOUT:   %empty_struct.loc4_24: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    461. 

  461. // CHECK:STDOUT:   %.loc4_24: %empty_struct_type = converted @__global_init.%.loc4_24, %empty_struct.loc4_24 [concrete = constants.%empty_struct]
    462. 

  462. // CHECK:STDOUT:   %x: %empty_struct_type = bind_name x, %.loc4_24
    463. 

  463. // CHECK:STDOUT:   %.loc4_17.1: type = splice_block %.loc4_17.3 [concrete = constants.%empty_struct_type] {
    464. 

  464. // CHECK:STDOUT:     %.loc4_17.2: %empty_struct_type = struct_literal ()
    465. 

  465. // CHECK:STDOUT:     %.loc4_17.3: type = converted %.loc4_17.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    466. 

  466. // CHECK:STDOUT:   }
    467. 

  467. // CHECK:STDOUT:   %empty_struct.loc4_28: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    468. 

  468. // CHECK:STDOUT:   %.loc4_28: %empty_struct_type = converted @__global_init.%.loc4_28, %empty_struct.loc4_28 [concrete = constants.%empty_struct]
    469. 

  469. // CHECK:STDOUT:   %y: %empty_struct_type = bind_name y, %.loc4_28
    470. 

  470. // CHECK:STDOUT: }
    471. 

  471. // CHECK:STDOUT:
    472. 

  472. // CHECK:STDOUT: fn @__global_init() {
    473. 

  473. // CHECK:STDOUT: !entry:
    474. 

  474. // CHECK:STDOUT:   %.loc4_24: %empty_struct_type = struct_literal ()
    475. 

  475. // CHECK:STDOUT:   %.loc4_28: %empty_struct_type = struct_literal ()
    476. 

  476. // CHECK:STDOUT:   %.loc4_29: %tuple.type = tuple_literal (%.loc4_24, %.loc4_28)
    477. 

  477. // CHECK:STDOUT:   return
    478. 

  478. // CHECK:STDOUT: }
    479. 

  479. // CHECK:STDOUT:
    480. 

  480. // CHECK:STDOUT: --- fail_in_interface.carbon
    481. 

  481. // CHECK:STDOUT:
    482. 

  482. // CHECK:STDOUT: constants {
    483. 

  483. // CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
    484. 

  484. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
    485. 

  485. // CHECK:STDOUT: }
    486. 

  486. // CHECK:STDOUT:
    487. 

  487. // CHECK:STDOUT: file {
    488. 

  488. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    489. 

  489. // CHECK:STDOUT:     .I = %I.decl
    490. 

  490. // CHECK:STDOUT:   }
    491. 

  491. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
    492. 

  492. // CHECK:STDOUT: }
    493. 

  493. // CHECK:STDOUT:
    494. 

  494. // CHECK:STDOUT: interface @I {
    495. 

  495. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    496. 

  496. // CHECK:STDOUT:
    497. 

  497. // CHECK:STDOUT: !members:
    498. 

  498. // CHECK:STDOUT:   .Self = %Self
    499. 

  499. // CHECK:STDOUT:   .x = <unexpected>.inst22.loc9_8
    500. 

  500. // CHECK:STDOUT:   .y = <unexpected>.inst26.loc9_15
    501. 

  501. // CHECK:STDOUT:   has_error
    502. 

  502. // CHECK:STDOUT:   witness = ()
    503. 

  503. // CHECK:STDOUT: }
    504. 

  504. // CHECK:STDOUT:
    505. 

  505. // CHECK:STDOUT: --- fail_in_class.carbon
    506. 

  506. // CHECK:STDOUT:
    507. 

  507. // CHECK:STDOUT: constants {
    508. 

  508. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    509. 

  509. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    510. 

  510. // CHECK:STDOUT:   %C.elem: type = unbound_element_type %C, %empty_struct_type [concrete]
    511. 

  511. // CHECK:STDOUT:   %tuple.type: type = tuple_type (%C.elem, %C.elem) [concrete]
    512. 

  512. // CHECK:STDOUT:   %struct_type.x.y: type = struct_type {.x: %empty_struct_type, .y: %empty_struct_type} [concrete]
    513. 

  513. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.x.y [concrete]
    514. 

  514. // CHECK:STDOUT: }
    515. 

  515. // CHECK:STDOUT:
    516. 

  516. // CHECK:STDOUT: file {
    517. 

  517. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    518. 

  518. // CHECK:STDOUT:     .C = %C.decl
    519. 

  519. // CHECK:STDOUT:   }
    520. 

  520. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    521. 

  521. // CHECK:STDOUT: }
    522. 

  522. // CHECK:STDOUT:
    523. 

  523. // CHECK:STDOUT: class @C {
    524. 

  524. // CHECK:STDOUT:   name_binding_decl {
    525. 

  525. // CHECK:STDOUT:     %.loc9_20: %tuple.type = tuple_pattern (<unexpected>.inst21.loc9_9, <unexpected>.inst24.loc9_16)
    526. 

  526. // CHECK:STDOUT:     %.loc9_3: %tuple.type = var_pattern %.loc9_20
    527. 

  527. // CHECK:STDOUT:   }
    528. 

  528. // CHECK:STDOUT:   %.var: ref %tuple.type = var <none>
    529. 

  529. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.x.y [concrete = constants.%complete_type]
    530. 

  530. // CHECK:STDOUT:   complete_type_witness = %complete_type
    531. 

  531. // CHECK:STDOUT:
    532. 

  532. // CHECK:STDOUT: !members:
    533. 

  533. // CHECK:STDOUT:   .Self = constants.%C
    534. 

  534. // CHECK:STDOUT:   .x = <unexpected>.inst21.loc9_9
    535. 

  535. // CHECK:STDOUT:   .y = <unexpected>.inst24.loc9_16
    536. 

  536. // CHECK:STDOUT:   has_error
    537. 

  537. // CHECK:STDOUT: }
    538. 

  538. // CHECK:STDOUT:
    539. 

  539. // CHECK:STDOUT: --- fail_initializer_mismatch.carbon
    540. 

  540. // CHECK:STDOUT:
    541. 

  541. // CHECK:STDOUT: constants {
    542. 

  542. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    543. 

  543. // CHECK:STDOUT:   %tuple.type.b6b: type = tuple_type (%empty_struct_type, %empty_struct_type) [concrete]
    544. 

  544. // CHECK:STDOUT:   %tuple.type.572: type = tuple_type (%empty_struct_type) [concrete]
    545. 

  545. // CHECK:STDOUT:   %tuple.type.8d4: type = tuple_type (%empty_struct_type, %empty_struct_type, %empty_struct_type) [concrete]
    546. 

  546. // CHECK:STDOUT: }
    547. 

  547. // CHECK:STDOUT:
    548. 

  548. // CHECK:STDOUT: file {
    549. 

  549. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    550. 

  550. // CHECK:STDOUT:     .x = <unexpected>.inst18.loc8_6
    551. 

  551. // CHECK:STDOUT:     .y = <unexpected>.inst22.loc8_13
    552. 

  552. // CHECK:STDOUT:     .a = <unexpected>.inst32.loc14_6
    553. 

  553. // CHECK:STDOUT:     .b = <unexpected>.inst36.loc14_13
    554. 

  554. // CHECK:STDOUT:   }
    555. 

  555. // CHECK:STDOUT:   name_binding_decl {
    556. 

  556. // CHECK:STDOUT:     %x.patt: %empty_struct_type = binding_pattern x
    557. 

  557. // CHECK:STDOUT:     %y.patt: %empty_struct_type = binding_pattern y
    558. 

  558. // CHECK:STDOUT:     %.loc8: %tuple.type.b6b = tuple_pattern (%x.patt, %y.patt)
    559. 

  559. // CHECK:STDOUT:   }
    560. 

  560. // CHECK:STDOUT:   name_binding_decl {
    561. 

  561. // CHECK:STDOUT:     %a.patt: %empty_struct_type = binding_pattern a
    562. 

  562. // CHECK:STDOUT:     %b.patt: %empty_struct_type = binding_pattern b
    563. 

  563. // CHECK:STDOUT:     %.loc14: %tuple.type.b6b = tuple_pattern (%a.patt, %b.patt)
    564. 

  564. // CHECK:STDOUT:   }
    565. 

  565. // CHECK:STDOUT: }
    566. 

  566. // CHECK:STDOUT:
    567. 

  567. // CHECK:STDOUT: fn @__global_init() {
    568. 

  568. // CHECK:STDOUT: !entry:
    569. 

  569. // CHECK:STDOUT:   %.loc8_24: %empty_struct_type = struct_literal ()
    570. 

  570. // CHECK:STDOUT:   %.loc8_26: %tuple.type.572 = tuple_literal (%.loc8_24)
    571. 

  571. // CHECK:STDOUT:   %.loc14_24: %empty_struct_type = struct_literal ()
    572. 

  572. // CHECK:STDOUT:   %.loc14_28: %empty_struct_type = struct_literal ()
    573. 

  573. // CHECK:STDOUT:   %.loc14_32: %empty_struct_type = struct_literal ()
    574. 

  574. // CHECK:STDOUT:   %.loc14_33: %tuple.type.8d4 = tuple_literal (%.loc14_24, %.loc14_28, %.loc14_32)
    575. 

  575. // CHECK:STDOUT:   return
    576. 

  576. // CHECK:STDOUT: }
    577. 

  577. // CHECK:STDOUT:
    578.