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carbon-lang
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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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class
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base.carbon

base.carbon 16 KB
История Исходник

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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/class/base.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/base.carbon
    10. 

  10. 

  11. // --- base.carbon
    12. 

  12. package Base;
    13. 

  13. 

  14. base class Base {
    15. 

  15.   var b: i32;
    16. 

  16. }
    17. 

  17. 

  18. class Derived {
    19. 

  19.   extend base: Base;
    20. 

  20. 

  21.   var d: i32;
    22. 

  22. }
    23. 

  23. 

  24. fn Make() -> Derived {
    25. 

  25.   return {.base = {.b = 4}, .d = 7};
    26. 

  26. }
    27. 

  27. 

  28. fn Access(d: Derived) -> (i32, i32) {
    29. 

  29.   return (d.d, d.base.b);
    30. 

  30. }
    31. 

  31. 

  32. // --- fail_base_after_field.carbon
    33. 

  33. package BaseAfterField;
    34. 

  34. 

  35. base class Base {
    36. 

  36. }
    37. 

  37. 

  38. class Derived {
    39. 

  39.   var d: i32;
    40. 

  40. 

  41.   // CHECK:STDERR: fail_base_after_field.carbon:[[@LINE+4]]:3: error: `base` declaration must appear before field declarations [BaseDeclAfterFieldDecl]
    42. 

  42.   // CHECK:STDERR:   extend base: Base;
    43. 

  43.   // CHECK:STDERR:   ^~~~~~~~~~~~~~~~~~
    44. 

  44.   // CHECK:STDERR:
    45. 

  45.   extend base: Base;
    46. 

  46. }
    47. 

  47. 

  48. // CHECK:STDOUT: --- base.carbon
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: constants {
    51. 

  51. // CHECK:STDOUT:   %Base: type = class_type @Base [template]
    52. 

  52. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    53. 

  53. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    54. 

  54. // CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [template]
    55. 

  55. // CHECK:STDOUT:   %struct_type.b.0a3: type = struct_type {.b: %i32} [template]
    56. 

  56. // CHECK:STDOUT:   %complete_type.ba8: <witness> = complete_type_witness %struct_type.b.0a3 [template]
    57. 

  57. // CHECK:STDOUT:   %Derived: type = class_type @Derived [template]
    58. 

  58. // CHECK:STDOUT:   %Derived.elem.69e: type = unbound_element_type %Derived, %Base [template]
    59. 

  59. // CHECK:STDOUT:   %Derived.elem.344: type = unbound_element_type %Derived, %i32 [template]
    60. 

  60. // CHECK:STDOUT:   %struct_type.base.d.f8f: type = struct_type {.base: %Base, .d: %i32} [template]
    61. 

  61. // CHECK:STDOUT:   %complete_type.da6: <witness> = complete_type_witness %struct_type.base.d.f8f [template]
    62. 

  62. // CHECK:STDOUT:   %Make.type: type = fn_type @Make [template]
    63. 

  63. // CHECK:STDOUT:   %Make: %Make.type = struct_value () [template]
    64. 

  64. // CHECK:STDOUT:   %int_4.0c1: Core.IntLiteral = int_value 4 [template]
    65. 

  65. // CHECK:STDOUT:   %struct_type.b.a15: type = struct_type {.b: Core.IntLiteral} [template]
    66. 

  66. // CHECK:STDOUT:   %int_7.29f: Core.IntLiteral = int_value 7 [template]
    67. 

  67. // CHECK:STDOUT:   %struct_type.base.d.a20: type = struct_type {.base: %struct_type.b.a15, .d: Core.IntLiteral} [template]
    68. 

  68. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [template]
    69. 

  69. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    70. 

  70. // CHECK:STDOUT:   %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [template]
    71. 

  71. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
    72. 

  72. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [template]
    73. 

  73. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [template]
    74. 

  74. // CHECK:STDOUT:   %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [template]
    75. 

  75. // CHECK:STDOUT:   %Convert.bound.ac3: <bound method> = bound_method %int_4.0c1, %Convert.956 [template]
    76. 

  76. // CHECK:STDOUT:   %Convert.specific_fn.450: <specific function> = specific_function %Convert.bound.ac3, @Convert.2(%int_32) [template]
    77. 

  77. // CHECK:STDOUT:   %int_4.940: %i32 = int_value 4 [template]
    78. 

  78. // CHECK:STDOUT:   %Base.val: %Base = struct_value (%int_4.940) [template]
    79. 

  79. // CHECK:STDOUT:   %Convert.bound.208: <bound method> = bound_method %int_7.29f, %Convert.956 [template]
    80. 

  80. // CHECK:STDOUT:   %Convert.specific_fn.c12: <specific function> = specific_function %Convert.bound.208, @Convert.2(%int_32) [template]
    81. 

  81. // CHECK:STDOUT:   %int_7.0b1: %i32 = int_value 7 [template]
    82. 

  82. // CHECK:STDOUT:   %Derived.val: %Derived = struct_value (%Base.val, %int_7.0b1) [template]
    83. 

  83. // CHECK:STDOUT:   %tuple.type.24b: type = tuple_type (type, type) [template]
    84. 

  84. // CHECK:STDOUT:   %tuple.type.d07: type = tuple_type (%i32, %i32) [template]
    85. 

  85. // CHECK:STDOUT:   %Access.type: type = fn_type @Access [template]
    86. 

  86. // CHECK:STDOUT:   %Access: %Access.type = struct_value () [template]
    87. 

  87. // CHECK:STDOUT: }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: imports {
    90. 

  90. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    91. 

  91. // CHECK:STDOUT:     .Int = %Core.Int
    92. 

  92. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    93. 

  93. // CHECK:STDOUT:     import Core//prelude
    94. 

  94. // CHECK:STDOUT:     import Core//prelude/...
    95. 

  95. // CHECK:STDOUT:   }
    96. 

  96. // CHECK:STDOUT: }
    97. 

  97. // CHECK:STDOUT:
    98. 

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

  99. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    100. 

  100. // CHECK:STDOUT:     .Core = imports.%Core
    101. 

  101. // CHECK:STDOUT:     .Base = %Base.decl
    102. 

  102. // CHECK:STDOUT:     .Derived = %Derived.decl
    103. 

  103. // CHECK:STDOUT:     .Make = %Make.decl
    104. 

  104. // CHECK:STDOUT:     .Access = %Access.decl
    105. 

  105. // CHECK:STDOUT:   }
    106. 

  106. // CHECK:STDOUT:   %Core.import = import Core
    107. 

  107. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
    108. 

  108. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {} {}
    109. 

  109. // CHECK:STDOUT:   %Make.decl: %Make.type = fn_decl @Make [template = constants.%Make] {
    110. 

  110. // CHECK:STDOUT:     %return.patt: %Derived = return_slot_pattern
    111. 

  111. // CHECK:STDOUT:     %return.param_patt: %Derived = out_param_pattern %return.patt, runtime_param0
    112. 

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

  113. // CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    114. 

  114. // CHECK:STDOUT:     %return.param: ref %Derived = out_param runtime_param0
    115. 

  115. // CHECK:STDOUT:     %return: ref %Derived = return_slot %return.param
    116. 

  116. // CHECK:STDOUT:   }
    117. 

  117. // CHECK:STDOUT:   %Access.decl: %Access.type = fn_decl @Access [template = constants.%Access] {
    118. 

  118. // CHECK:STDOUT:     %d.patt: %Derived = binding_pattern d
    119. 

  119. // CHECK:STDOUT:     %d.param_patt: %Derived = value_param_pattern %d.patt, runtime_param0
    120. 

  120. // CHECK:STDOUT:     %return.patt: %tuple.type.d07 = return_slot_pattern
    121. 

  121. // CHECK:STDOUT:     %return.param_patt: %tuple.type.d07 = out_param_pattern %return.patt, runtime_param1
    122. 

  122. // CHECK:STDOUT:   } {
    123. 

  123. // CHECK:STDOUT:     %int_32.loc17_27: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    124. 

  124. // CHECK:STDOUT:     %i32.loc17_27: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    125. 

  125. // CHECK:STDOUT:     %int_32.loc17_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    126. 

  126. // CHECK:STDOUT:     %i32.loc17_32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    127. 

  127. // CHECK:STDOUT:     %.loc17_35.1: %tuple.type.24b = tuple_literal (%i32.loc17_27, %i32.loc17_32)
    128. 

  128. // CHECK:STDOUT:     %.loc17_35.2: type = converted %.loc17_35.1, constants.%tuple.type.d07 [template = constants.%tuple.type.d07]
    129. 

  129. // CHECK:STDOUT:     %d.param: %Derived = value_param runtime_param0
    130. 

  130. // CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    131. 

  131. // CHECK:STDOUT:     %d: %Derived = bind_name d, %d.param
    132. 

  132. // CHECK:STDOUT:     %return.param: ref %tuple.type.d07 = out_param runtime_param1
    133. 

  133. // CHECK:STDOUT:     %return: ref %tuple.type.d07 = return_slot %return.param
    134. 

  134. // CHECK:STDOUT:   }
    135. 

  135. // CHECK:STDOUT: }
    136. 

  136. // CHECK:STDOUT:
    137. 

  137. // CHECK:STDOUT: class @Base {
    138. 

  138. // CHECK:STDOUT:   %.loc4_8: %Base.elem = field_decl b, element0 [template]
    139. 

  139. // CHECK:STDOUT:   name_binding_decl {
    140. 

  140. // CHECK:STDOUT:     %.loc4_3: %Base.elem = var_pattern %.loc4_8
    141. 

  141. // CHECK:STDOUT:   }
    142. 

  142. // CHECK:STDOUT:   %.var: ref %Base.elem = var <none>
    143. 

  143. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.b.0a3 [template = constants.%complete_type.ba8]
    144. 

  144. // CHECK:STDOUT:   complete_type_witness = %complete_type
    145. 

  145. // CHECK:STDOUT:
    146. 

  146. // CHECK:STDOUT: !members:
    147. 

  147. // CHECK:STDOUT:   .Self = constants.%Base
    148. 

  148. // CHECK:STDOUT:   .b = %.loc4_8
    149. 

  149. // CHECK:STDOUT: }
    150. 

  150. // CHECK:STDOUT:
    151. 

  151. // CHECK:STDOUT: class @Derived {
    152. 

  152. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    153. 

  153. // CHECK:STDOUT:   %.loc8: %Derived.elem.69e = base_decl %Base.ref, element0 [template]
    154. 

  154. // CHECK:STDOUT:   %.loc10_8: %Derived.elem.344 = field_decl d, element1 [template]
    155. 

  155. // CHECK:STDOUT:   name_binding_decl {
    156. 

  156. // CHECK:STDOUT:     %.loc10_3: %Derived.elem.344 = var_pattern %.loc10_8
    157. 

  157. // CHECK:STDOUT:   }
    158. 

  158. // CHECK:STDOUT:   %.var: ref %Derived.elem.344 = var <none>
    159. 

  159. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base.d.f8f [template = constants.%complete_type.da6]
    160. 

  160. // CHECK:STDOUT:   complete_type_witness = %complete_type
    161. 

  161. // CHECK:STDOUT:
    162. 

  162. // CHECK:STDOUT: !members:
    163. 

  163. // CHECK:STDOUT:   .Self = constants.%Derived
    164. 

  164. // CHECK:STDOUT:   .base = %.loc8
    165. 

  165. // CHECK:STDOUT:   .d = %.loc10_8
    166. 

  166. // CHECK:STDOUT:   extend %Base.ref
    167. 

  167. // CHECK:STDOUT: }
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: fn @Make() -> %return.param_patt: %Derived {
    170. 

  170. // CHECK:STDOUT: !entry:
    171. 

  171. // CHECK:STDOUT:   %int_4: Core.IntLiteral = int_value 4 [template = constants.%int_4.0c1]
    172. 

  172. // CHECK:STDOUT:   %.loc14_26.1: %struct_type.b.a15 = struct_literal (%int_4)
    173. 

  173. // CHECK:STDOUT:   %int_7: Core.IntLiteral = int_value 7 [template = constants.%int_7.29f]
    174. 

  174. // CHECK:STDOUT:   %.loc14_35.1: %struct_type.base.d.a20 = struct_literal (%.loc14_26.1, %int_7)
    175. 

  175. // CHECK:STDOUT:   %impl.elem0.loc14_26: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    176. 

  176. // CHECK:STDOUT:   %bound_method.loc14_26: <bound method> = bound_method %int_4, %impl.elem0.loc14_26 [template = constants.%Convert.bound.ac3]
    177. 

  177. // CHECK:STDOUT:   %specific_fn.loc14_26: <specific function> = specific_function %bound_method.loc14_26, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.450]
    178. 

  178. // CHECK:STDOUT:   %int.convert_checked.loc14_26: init %i32 = call %specific_fn.loc14_26(%int_4) [template = constants.%int_4.940]
    179. 

  179. // CHECK:STDOUT:   %.loc14_26.2: init %i32 = converted %int_4, %int.convert_checked.loc14_26 [template = constants.%int_4.940]
    180. 

  180. // CHECK:STDOUT:   %.loc14_35.2: ref %Base = class_element_access %return, element0
    181. 

  181. // CHECK:STDOUT:   %.loc14_26.3: ref %i32 = class_element_access %.loc14_35.2, element0
    182. 

  182. // CHECK:STDOUT:   %.loc14_26.4: init %i32 = initialize_from %.loc14_26.2 to %.loc14_26.3 [template = constants.%int_4.940]
    183. 

  183. // CHECK:STDOUT:   %.loc14_26.5: init %Base = class_init (%.loc14_26.4), %.loc14_35.2 [template = constants.%Base.val]
    184. 

  184. // CHECK:STDOUT:   %.loc14_35.3: init %Base = converted %.loc14_26.1, %.loc14_26.5 [template = constants.%Base.val]
    185. 

  185. // CHECK:STDOUT:   %impl.elem0.loc14_35: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    186. 

  186. // CHECK:STDOUT:   %bound_method.loc14_35: <bound method> = bound_method %int_7, %impl.elem0.loc14_35 [template = constants.%Convert.bound.208]
    187. 

  187. // CHECK:STDOUT:   %specific_fn.loc14_35: <specific function> = specific_function %bound_method.loc14_35, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.c12]
    188. 

  188. // CHECK:STDOUT:   %int.convert_checked.loc14_35: init %i32 = call %specific_fn.loc14_35(%int_7) [template = constants.%int_7.0b1]
    189. 

  189. // CHECK:STDOUT:   %.loc14_35.4: init %i32 = converted %int_7, %int.convert_checked.loc14_35 [template = constants.%int_7.0b1]
    190. 

  190. // CHECK:STDOUT:   %.loc14_35.5: ref %i32 = class_element_access %return, element1
    191. 

  191. // CHECK:STDOUT:   %.loc14_35.6: init %i32 = initialize_from %.loc14_35.4 to %.loc14_35.5 [template = constants.%int_7.0b1]
    192. 

  192. // CHECK:STDOUT:   %.loc14_35.7: init %Derived = class_init (%.loc14_35.3, %.loc14_35.6), %return [template = constants.%Derived.val]
    193. 

  193. // CHECK:STDOUT:   %.loc14_36: init %Derived = converted %.loc14_35.1, %.loc14_35.7 [template = constants.%Derived.val]
    194. 

  194. // CHECK:STDOUT:   return %.loc14_36 to %return
    195. 

  195. // CHECK:STDOUT: }
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: fn @Access(%d.param_patt: %Derived) -> %return.param_patt: %tuple.type.d07 {
    198. 

  198. // CHECK:STDOUT: !entry:
    199. 

  199. // CHECK:STDOUT:   %d.ref.loc18_11: %Derived = name_ref d, %d
    200. 

  200. // CHECK:STDOUT:   %d.ref.loc18_12: %Derived.elem.344 = name_ref d, @Derived.%.loc10_8 [template = @Derived.%.loc10_8]
    201. 

  201. // CHECK:STDOUT:   %.loc18_12.1: ref %i32 = class_element_access %d.ref.loc18_11, element1
    202. 

  202. // CHECK:STDOUT:   %.loc18_12.2: %i32 = bind_value %.loc18_12.1
    203. 

  203. // CHECK:STDOUT:   %d.ref.loc18_16: %Derived = name_ref d, %d
    204. 

  204. // CHECK:STDOUT:   %base.ref: %Derived.elem.69e = name_ref base, @Derived.%.loc8 [template = @Derived.%.loc8]
    205. 

  205. // CHECK:STDOUT:   %.loc18_17.1: ref %Base = class_element_access %d.ref.loc18_16, element0
    206. 

  206. // CHECK:STDOUT:   %.loc18_17.2: %Base = bind_value %.loc18_17.1
    207. 

  207. // CHECK:STDOUT:   %b.ref: %Base.elem = name_ref b, @Base.%.loc4_8 [template = @Base.%.loc4_8]
    208. 

  208. // CHECK:STDOUT:   %.loc18_22.1: ref %i32 = class_element_access %.loc18_17.2, element0
    209. 

  209. // CHECK:STDOUT:   %.loc18_22.2: %i32 = bind_value %.loc18_22.1
    210. 

  210. // CHECK:STDOUT:   %.loc18_24.1: %tuple.type.d07 = tuple_literal (%.loc18_12.2, %.loc18_22.2)
    211. 

  211. // CHECK:STDOUT:   %tuple.elem0: ref %i32 = tuple_access %return, element0
    212. 

  212. // CHECK:STDOUT:   %.loc18_24.2: init %i32 = initialize_from %.loc18_12.2 to %tuple.elem0
    213. 

  213. // CHECK:STDOUT:   %tuple.elem1: ref %i32 = tuple_access %return, element1
    214. 

  214. // CHECK:STDOUT:   %.loc18_24.3: init %i32 = initialize_from %.loc18_22.2 to %tuple.elem1
    215. 

  215. // CHECK:STDOUT:   %.loc18_24.4: init %tuple.type.d07 = tuple_init (%.loc18_24.2, %.loc18_24.3) to %return
    216. 

  216. // CHECK:STDOUT:   %.loc18_25: init %tuple.type.d07 = converted %.loc18_24.1, %.loc18_24.4
    217. 

  217. // CHECK:STDOUT:   return %.loc18_25 to %return
    218. 

  218. // CHECK:STDOUT: }
    219. 

  219. // CHECK:STDOUT:
    220. 

  220. // CHECK:STDOUT: --- fail_base_after_field.carbon
    221. 

  221. // CHECK:STDOUT:
    222. 

  222. // CHECK:STDOUT: constants {
    223. 

  223. // CHECK:STDOUT:   %Base: type = class_type @Base [template]
    224. 

  224. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
    225. 

  225. // CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [template]
    226. 

  226. // CHECK:STDOUT:   %Derived: type = class_type @Derived [template]
    227. 

  227. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    228. 

  228. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    229. 

  229. // CHECK:STDOUT:   %Derived.elem: type = unbound_element_type %Derived, %i32 [template]
    230. 

  230. // CHECK:STDOUT:   %struct_type.d: type = struct_type {.d: %i32} [template]
    231. 

  231. // CHECK:STDOUT:   %complete_type.860: <witness> = complete_type_witness %struct_type.d [template]
    232. 

  232. // CHECK:STDOUT: }
    233. 

  233. // CHECK:STDOUT:
    234. 

  234. // CHECK:STDOUT: imports {
    235. 

  235. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    236. 

  236. // CHECK:STDOUT:     .Int = %Core.Int
    237. 

  237. // CHECK:STDOUT:     import Core//prelude
    238. 

  238. // CHECK:STDOUT:     import Core//prelude/...
    239. 

  239. // CHECK:STDOUT:   }
    240. 

  240. // CHECK:STDOUT: }
    241. 

  241. // CHECK:STDOUT:
    242. 

  242. // CHECK:STDOUT: file {
    243. 

  243. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    244. 

  244. // CHECK:STDOUT:     .Core = imports.%Core
    245. 

  245. // CHECK:STDOUT:     .Base = %Base.decl
    246. 

  246. // CHECK:STDOUT:     .Derived = %Derived.decl
    247. 

  247. // CHECK:STDOUT:   }
    248. 

  248. // CHECK:STDOUT:   %Core.import = import Core
    249. 

  249. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
    250. 

  250. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {} {}
    251. 

  251. // CHECK:STDOUT: }
    252. 

  252. // CHECK:STDOUT:
    253. 

  253. // CHECK:STDOUT: class @Base {
    254. 

  254. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type.357]
    255. 

  255. // CHECK:STDOUT:   complete_type_witness = %complete_type
    256. 

  256. // CHECK:STDOUT:
    257. 

  257. // CHECK:STDOUT: !members:
    258. 

  258. // CHECK:STDOUT:   .Self = constants.%Base
    259. 

  259. // CHECK:STDOUT: }
    260. 

  260. // CHECK:STDOUT:
    261. 

  261. // CHECK:STDOUT: class @Derived {
    262. 

  262. // CHECK:STDOUT:   %.loc7_8: %Derived.elem = field_decl d, element0 [template]
    263. 

  263. // CHECK:STDOUT:   name_binding_decl {
    264. 

  264. // CHECK:STDOUT:     %.loc7_3: %Derived.elem = var_pattern %.loc7_8
    265. 

  265. // CHECK:STDOUT:   }
    266. 

  266. // CHECK:STDOUT:   %.var: ref %Derived.elem = var <none>
    267. 

  267. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    268. 

  268. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.d [template = constants.%complete_type.860]
    269. 

  269. // CHECK:STDOUT:   complete_type_witness = %complete_type
    270. 

  270. // CHECK:STDOUT:
    271. 

  271. // CHECK:STDOUT: !members:
    272. 

  272. // CHECK:STDOUT:   .Self = constants.%Derived
    273. 

  273. // CHECK:STDOUT:   .d = %.loc7_8
    274. 

  274. // CHECK:STDOUT: }
    275. 

  275. // CHECK:STDOUT:
    276.