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carbon-lang
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import_base.carbon

import_base.carbon 17 KB
文件历史 原始文件

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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/import_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/import_base.carbon
    10. 

  10. 

  11. // --- a.carbon
    12. 

  12. 

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

  14. 

  15. base class Base {
    16. 

  16.   fn F[self: Self]();
    17. 

  17.   fn Unused[self: Self]();
    18. 

  18. 

  19.   var x: i32;
    20. 

  20.   var unused: i32;
    21. 

  21. }
    22. 

  22. 

  23. class Child {
    24. 

  24.   extend base: Base;
    25. 

  25. }
    26. 

  26. 

  27. // --- b.carbon
    28. 

  28. 

  29. library "[[@TEST_NAME]]";
    30. 

  30. 

  31. import library "a";
    32. 

  32. 

  33. fn Run() {
    34. 

  34.   var a: Child = {.base = {.x = 0, .unused = 1}};
    35. 

  35.   a.x = 2;
    36. 

  36.   a.F();
    37. 

  37. }
    38. 

  38. 

  39. // CHECK:STDOUT: --- a.carbon
    40. 

  40. // CHECK:STDOUT:
    41. 

  41. // CHECK:STDOUT: constants {
    42. 

  42. // CHECK:STDOUT:   %Base: type = class_type @Base [concrete]
    43. 

  43. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    44. 

  44. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    45. 

  45. // CHECK:STDOUT:   %Unused.type: type = fn_type @Unused [concrete]
    46. 

  46. // CHECK:STDOUT:   %Unused: %Unused.type = struct_value () [concrete]
    47. 

  47. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    48. 

  48. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    49. 

  49. // CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [concrete]
    50. 

  50. // CHECK:STDOUT:   %struct_type.x.unused: type = struct_type {.x: %i32, .unused: %i32} [concrete]
    51. 

  51. // CHECK:STDOUT:   %complete_type.20c: <witness> = complete_type_witness %struct_type.x.unused [concrete]
    52. 

  52. // CHECK:STDOUT:   %Child: type = class_type @Child [concrete]
    53. 

  53. // CHECK:STDOUT:   %Child.elem: type = unbound_element_type %Child, %Base [concrete]
    54. 

  54. // CHECK:STDOUT:   %struct_type.base: type = struct_type {.base: %Base} [concrete]
    55. 

  55. // CHECK:STDOUT:   %complete_type.15c: <witness> = complete_type_witness %struct_type.base [concrete]
    56. 

  56. // CHECK:STDOUT: }
    57. 

  57. // CHECK:STDOUT:
    58. 

  58. // CHECK:STDOUT: imports {
    59. 

  59. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    60. 

  60. // CHECK:STDOUT:     .Int = %Core.Int
    61. 

  61. // CHECK:STDOUT:     import Core//prelude
    62. 

  62. // CHECK:STDOUT:     import Core//prelude/...
    63. 

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: file {
    67. 

  67. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    68. 

  68. // CHECK:STDOUT:     .Core = imports.%Core
    69. 

  69. // CHECK:STDOUT:     .Base = %Base.decl
    70. 

  70. // CHECK:STDOUT:     .Child = %Child.decl
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %Core.import = import Core
    73. 

  73. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [concrete = constants.%Base] {} {}
    74. 

  74. // CHECK:STDOUT:   %Child.decl: type = class_decl @Child [concrete = constants.%Child] {} {}
    75. 

  75. // CHECK:STDOUT: }
    76. 

  76. // CHECK:STDOUT:
    77. 

  77. // CHECK:STDOUT: class @Base {
    78. 

  78. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    79. 

  79. // CHECK:STDOUT:     %self.patt: %Base = binding_pattern self
    80. 

  80. // CHECK:STDOUT:     %self.param_patt: %Base = value_param_pattern %self.patt, call_param0
    81. 

  81. // CHECK:STDOUT:   } {
    82. 

  82. // CHECK:STDOUT:     %self.param: %Base = value_param call_param0
    83. 

  83. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Base [concrete = constants.%Base]
    84. 

  84. // CHECK:STDOUT:     %self: %Base = bind_name self, %self.param
    85. 

  85. // CHECK:STDOUT:   }
    86. 

  86. // CHECK:STDOUT:   %Unused.decl: %Unused.type = fn_decl @Unused [concrete = constants.%Unused] {
    87. 

  87. // CHECK:STDOUT:     %self.patt: %Base = binding_pattern self
    88. 

  88. // CHECK:STDOUT:     %self.param_patt: %Base = value_param_pattern %self.patt, call_param0
    89. 

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

  90. // CHECK:STDOUT:     %self.param: %Base = value_param call_param0
    91. 

  91. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Base [concrete = constants.%Base]
    92. 

  92. // CHECK:STDOUT:     %self: %Base = bind_name self, %self.param
    93. 

  93. // CHECK:STDOUT:   }
    94. 

  94. // CHECK:STDOUT:   %.loc8_8: %Base.elem = field_decl x, element0 [concrete]
    95. 

  95. // CHECK:STDOUT:   name_binding_decl {
    96. 

  96. // CHECK:STDOUT:     %.loc8_3: %Base.elem = var_pattern %.loc8_8
    97. 

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT:   %.var.loc8: ref %Base.elem = var <none>
    99. 

  99. // CHECK:STDOUT:   %.loc9_13: %Base.elem = field_decl unused, element1 [concrete]
    100. 

  100. // CHECK:STDOUT:   name_binding_decl {
    101. 

  101. // CHECK:STDOUT:     %.loc9_3: %Base.elem = var_pattern %.loc9_13
    102. 

  102. // CHECK:STDOUT:   }
    103. 

  103. // CHECK:STDOUT:   %.var.loc9: ref %Base.elem = var <none>
    104. 

  104. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.x.unused [concrete = constants.%complete_type.20c]
    105. 

  105. // CHECK:STDOUT:   complete_type_witness = %complete_type
    106. 

  106. // CHECK:STDOUT:
    107. 

  107. // CHECK:STDOUT: !members:
    108. 

  108. // CHECK:STDOUT:   .Self = constants.%Base
    109. 

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

  110. // CHECK:STDOUT:   .Unused = %Unused.decl
    111. 

  111. // CHECK:STDOUT:   .x = %.loc8_8
    112. 

  112. // CHECK:STDOUT:   .unused = %.loc9_13
    113. 

  113. // CHECK:STDOUT: }
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT: class @Child {
    116. 

  116. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
    117. 

  117. // CHECK:STDOUT:   %.loc13: %Child.elem = base_decl %Base.ref, element0 [concrete]
    118. 

  118. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base [concrete = constants.%complete_type.15c]
    119. 

  119. // CHECK:STDOUT:   complete_type_witness = %complete_type
    120. 

  120. // CHECK:STDOUT:
    121. 

  121. // CHECK:STDOUT: !members:
    122. 

  122. // CHECK:STDOUT:   .Self = constants.%Child
    123. 

  123. // CHECK:STDOUT:   .Base = <poisoned>
    124. 

  124. // CHECK:STDOUT:   .base = %.loc13
    125. 

  125. // CHECK:STDOUT:   extend %Base.ref
    126. 

  126. // CHECK:STDOUT: }
    127. 

  127. // CHECK:STDOUT:
    128. 

  128. // CHECK:STDOUT: fn @F[%self.param_patt: %Base]();
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT: fn @Unused[%self.param_patt: %Base]();
    131. 

  131. // CHECK:STDOUT:
    132. 

  132. // CHECK:STDOUT: --- b.carbon
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: constants {
    135. 

  135. // CHECK:STDOUT:   %Run.type: type = fn_type @Run [concrete]
    136. 

  136. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    137. 

  137. // CHECK:STDOUT:   %Run: %Run.type = struct_value () [concrete]
    138. 

  138. // CHECK:STDOUT:   %Child: type = class_type @Child [concrete]
    139. 

  139. // CHECK:STDOUT:   %Base: type = class_type @Base [concrete]
    140. 

  140. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    141. 

  141. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    142. 

  142. // CHECK:STDOUT:   %struct_type.x.unused.7d5: type = struct_type {.x: %i32, .unused: %i32} [concrete]
    143. 

  143. // CHECK:STDOUT:   %complete_type.90f: <witness> = complete_type_witness %struct_type.x.unused.7d5 [concrete]
    144. 

  144. // CHECK:STDOUT:   %struct_type.base.b1e: type = struct_type {.base: %Base} [concrete]
    145. 

  145. // CHECK:STDOUT:   %complete_type.15c: <witness> = complete_type_witness %struct_type.base.b1e [concrete]
    146. 

  146. // CHECK:STDOUT:   %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
    147. 

  147. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    148. 

  148. // CHECK:STDOUT:   %struct_type.x.unused.c45: type = struct_type {.x: Core.IntLiteral, .unused: Core.IntLiteral} [concrete]
    149. 

  149. // CHECK:STDOUT:   %struct_type.base.6c7: type = struct_type {.base: %struct_type.x.unused.c45} [concrete]
    150. 

  150. // CHECK:STDOUT:   %ImplicitAs.type.9ba: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    151. 

  151. // CHECK:STDOUT:   %Convert.type.6da: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    152. 

  152. // CHECK:STDOUT:   %impl_witness.b97: <witness> = impl_witness (imports.%Core.import_ref.a86), @impl.c81(%int_32) [concrete]
    153. 

  153. // CHECK:STDOUT:   %Convert.type.ed5: type = fn_type @Convert.2, @impl.c81(%int_32) [concrete]
    154. 

  154. // CHECK:STDOUT:   %Convert.16d: %Convert.type.ed5 = struct_value () [concrete]
    155. 

  155. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.9ba = facet_value Core.IntLiteral, (%impl_witness.b97) [concrete]
    156. 

  156. // CHECK:STDOUT:   %.b14: type = fn_type_with_self_type %Convert.type.6da, %ImplicitAs.facet [concrete]
    157. 

  157. // CHECK:STDOUT:   %Convert.bound.9aa: <bound method> = bound_method %int_0.5c6, %Convert.16d [concrete]
    158. 

  158. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.16d, @Convert.2(%int_32) [concrete]
    159. 

  159. // CHECK:STDOUT:   %bound_method.8aa: <bound method> = bound_method %int_0.5c6, %Convert.specific_fn [concrete]
    160. 

  160. // CHECK:STDOUT:   %int_0.263: %i32 = int_value 0 [concrete]
    161. 

  161. // CHECK:STDOUT:   %Convert.bound.43e: <bound method> = bound_method %int_1.5b8, %Convert.16d [concrete]
    162. 

  162. // CHECK:STDOUT:   %bound_method.947: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    163. 

  163. // CHECK:STDOUT:   %int_1.47b: %i32 = int_value 1 [concrete]
    164. 

  164. // CHECK:STDOUT:   %Base.val: %Base = struct_value (%int_0.263, %int_1.47b) [concrete]
    165. 

  165. // CHECK:STDOUT:   %Child.val: %Child = struct_value (%Base.val) [concrete]
    166. 

  166. // CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [concrete]
    167. 

  167. // CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
    168. 

  168. // CHECK:STDOUT:   %Convert.bound.918: <bound method> = bound_method %int_2.ecc, %Convert.16d [concrete]
    169. 

  169. // CHECK:STDOUT:   %bound_method.c74: <bound method> = bound_method %int_2.ecc, %Convert.specific_fn [concrete]
    170. 

  170. // CHECK:STDOUT:   %int_2.d0d: %i32 = int_value 2 [concrete]
    171. 

  171. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    172. 

  172. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: imports {
    176. 

  176. // CHECK:STDOUT:   %Main.Base = import_ref Main//a, Base, unloaded
    177. 

  177. // CHECK:STDOUT:   %Main.Child: type = import_ref Main//a, Child, loaded [concrete = constants.%Child]
    178. 

  178. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    179. 

  179. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    180. 

  180. // CHECK:STDOUT:     import Core//prelude
    181. 

  181. // CHECK:STDOUT:     import Core//prelude/...
    182. 

  182. // CHECK:STDOUT:   }
    183. 

  183. // CHECK:STDOUT:   %Main.import_ref.239: <witness> = import_ref Main//a, loc10_1, loaded [concrete = constants.%complete_type.90f]
    184. 

  184. // CHECK:STDOUT:   %Main.import_ref.1f3 = import_ref Main//a, inst17 [no loc], unloaded
    185. 

  185. // CHECK:STDOUT:   %Main.import_ref.e8f: %F.type = import_ref Main//a, loc5_21, loaded [concrete = constants.%F]
    186. 

  186. // CHECK:STDOUT:   %Main.import_ref.8bf = import_ref Main//a, loc6_26, unloaded
    187. 

  187. // CHECK:STDOUT:   %Main.import_ref.e67: %Base.elem = import_ref Main//a, loc8_8, loaded [concrete = %.720]
    188. 

  188. // CHECK:STDOUT:   %Main.import_ref.2e4 = import_ref Main//a, loc9_13, unloaded
    189. 

  189. // CHECK:STDOUT:   %Main.import_ref.c5f: <witness> = import_ref Main//a, loc14_1, loaded [concrete = constants.%complete_type.15c]
    190. 

  190. // CHECK:STDOUT:   %Main.import_ref.9a9 = import_ref Main//a, inst77 [no loc], unloaded
    191. 

  191. // CHECK:STDOUT:   %Main.import_ref.7e5 = import_ref Main//a, loc13_20, unloaded
    192. 

  192. // CHECK:STDOUT:   %Main.import_ref.a21640.2: type = import_ref Main//a, loc13_16, loaded [concrete = constants.%Base]
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: file {
    196. 

  196. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    197. 

  197. // CHECK:STDOUT:     .Base = imports.%Main.Base
    198. 

  198. // CHECK:STDOUT:     .Child = imports.%Main.Child
    199. 

  199. // CHECK:STDOUT:     .Core = imports.%Core
    200. 

  200. // CHECK:STDOUT:     .Run = %Run.decl
    201. 

  201. // CHECK:STDOUT:   }
    202. 

  202. // CHECK:STDOUT:   %Core.import = import Core
    203. 

  203. // CHECK:STDOUT:   %default.import = import <none>
    204. 

  204. // CHECK:STDOUT:   %Run.decl: %Run.type = fn_decl @Run [concrete = constants.%Run] {} {}
    205. 

  205. // CHECK:STDOUT: }
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: class @Child [from "a.carbon"] {
    208. 

  208. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.c5f
    209. 

  209. // CHECK:STDOUT:
    210. 

  210. // CHECK:STDOUT: !members:
    211. 

  211. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.9a9
    212. 

  212. // CHECK:STDOUT:   .base = imports.%Main.import_ref.7e5
    213. 

  213. // CHECK:STDOUT:   .x = <poisoned>
    214. 

  214. // CHECK:STDOUT:   .F = <poisoned>
    215. 

  215. // CHECK:STDOUT:   extend imports.%Main.import_ref.a21640.2
    216. 

  216. // CHECK:STDOUT: }
    217. 

  217. // CHECK:STDOUT:
    218. 

  218. // CHECK:STDOUT: class @Base [from "a.carbon"] {
    219. 

  219. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.239
    220. 

  220. // CHECK:STDOUT:
    221. 

  221. // CHECK:STDOUT: !members:
    222. 

  222. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.1f3
    223. 

  223. // CHECK:STDOUT:   .F = imports.%Main.import_ref.e8f
    224. 

  224. // CHECK:STDOUT:   .Unused = imports.%Main.import_ref.8bf
    225. 

  225. // CHECK:STDOUT:   .x = imports.%Main.import_ref.e67
    226. 

  226. // CHECK:STDOUT:   .unused = imports.%Main.import_ref.2e4
    227. 

  227. // CHECK:STDOUT: }
    228. 

  228. // CHECK:STDOUT:
    229. 

  229. // CHECK:STDOUT: fn @Run() {
    230. 

  230. // CHECK:STDOUT: !entry:
    231. 

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

  232. // CHECK:STDOUT:     %a.patt: %Child = binding_pattern a
    233. 

  233. // CHECK:STDOUT:     %.loc7_3.1: %Child = var_pattern %a.patt
    234. 

  234. // CHECK:STDOUT:   }
    235. 

  235. // CHECK:STDOUT:   %a.var: ref %Child = var a
    236. 

  236. // CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
    237. 

  237. // CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    238. 

  238. // CHECK:STDOUT:   %.loc7_47.1: %struct_type.x.unused.c45 = struct_literal (%int_0, %int_1)
    239. 

  239. // CHECK:STDOUT:   %.loc7_48.1: %struct_type.base.6c7 = struct_literal (%.loc7_47.1)
    240. 

  240. // CHECK:STDOUT:   %impl.elem0.loc7_47.1: %.b14 = impl_witness_access constants.%impl_witness.b97, element0 [concrete = constants.%Convert.16d]
    241. 

  241. // CHECK:STDOUT:   %bound_method.loc7_47.1: <bound method> = bound_method %int_0, %impl.elem0.loc7_47.1 [concrete = constants.%Convert.bound.9aa]
    242. 

  242. // CHECK:STDOUT:   %specific_fn.loc7_47.1: <specific function> = specific_function %impl.elem0.loc7_47.1, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    243. 

  243. // CHECK:STDOUT:   %bound_method.loc7_47.2: <bound method> = bound_method %int_0, %specific_fn.loc7_47.1 [concrete = constants.%bound_method.8aa]
    244. 

  244. // CHECK:STDOUT:   %int.convert_checked.loc7_47.1: init %i32 = call %bound_method.loc7_47.2(%int_0) [concrete = constants.%int_0.263]
    245. 

  245. // CHECK:STDOUT:   %.loc7_47.2: init %i32 = converted %int_0, %int.convert_checked.loc7_47.1 [concrete = constants.%int_0.263]
    246. 

  246. // CHECK:STDOUT:   %.loc7_48.2: ref %Base = class_element_access %a.var, element0
    247. 

  247. // CHECK:STDOUT:   %.loc7_47.3: ref %i32 = class_element_access %.loc7_48.2, element0
    248. 

  248. // CHECK:STDOUT:   %.loc7_47.4: init %i32 = initialize_from %.loc7_47.2 to %.loc7_47.3 [concrete = constants.%int_0.263]
    249. 

  249. // CHECK:STDOUT:   %impl.elem0.loc7_47.2: %.b14 = impl_witness_access constants.%impl_witness.b97, element0 [concrete = constants.%Convert.16d]
    250. 

  250. // CHECK:STDOUT:   %bound_method.loc7_47.3: <bound method> = bound_method %int_1, %impl.elem0.loc7_47.2 [concrete = constants.%Convert.bound.43e]
    251. 

  251. // CHECK:STDOUT:   %specific_fn.loc7_47.2: <specific function> = specific_function %impl.elem0.loc7_47.2, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    252. 

  252. // CHECK:STDOUT:   %bound_method.loc7_47.4: <bound method> = bound_method %int_1, %specific_fn.loc7_47.2 [concrete = constants.%bound_method.947]
    253. 

  253. // CHECK:STDOUT:   %int.convert_checked.loc7_47.2: init %i32 = call %bound_method.loc7_47.4(%int_1) [concrete = constants.%int_1.47b]
    254. 

  254. // CHECK:STDOUT:   %.loc7_47.5: init %i32 = converted %int_1, %int.convert_checked.loc7_47.2 [concrete = constants.%int_1.47b]
    255. 

  255. // CHECK:STDOUT:   %.loc7_47.6: ref %i32 = class_element_access %.loc7_48.2, element1
    256. 

  256. // CHECK:STDOUT:   %.loc7_47.7: init %i32 = initialize_from %.loc7_47.5 to %.loc7_47.6 [concrete = constants.%int_1.47b]
    257. 

  257. // CHECK:STDOUT:   %.loc7_47.8: init %Base = class_init (%.loc7_47.4, %.loc7_47.7), %.loc7_48.2 [concrete = constants.%Base.val]
    258. 

  258. // CHECK:STDOUT:   %.loc7_48.3: init %Base = converted %.loc7_47.1, %.loc7_47.8 [concrete = constants.%Base.val]
    259. 

  259. // CHECK:STDOUT:   %.loc7_48.4: init %Child = class_init (%.loc7_48.3), %a.var [concrete = constants.%Child.val]
    260. 

  260. // CHECK:STDOUT:   %.loc7_3.2: init %Child = converted %.loc7_48.1, %.loc7_48.4 [concrete = constants.%Child.val]
    261. 

  261. // CHECK:STDOUT:   assign %a.var, %.loc7_3.2
    262. 

  262. // CHECK:STDOUT:   %Child.ref: type = name_ref Child, imports.%Main.Child [concrete = constants.%Child]
    263. 

  263. // CHECK:STDOUT:   %a: ref %Child = bind_name a, %a.var
    264. 

  264. // CHECK:STDOUT:   %a.ref.loc8: ref %Child = name_ref a, %a
    265. 

  265. // CHECK:STDOUT:   %x.ref: %Base.elem = name_ref x, imports.%Main.import_ref.e67 [concrete = imports.%.720]
    266. 

  266. // CHECK:STDOUT:   %.loc8_4.1: ref %Base = class_element_access %a.ref.loc8, element0
    267. 

  267. // CHECK:STDOUT:   %.loc8_4.2: ref %Base = converted %a.ref.loc8, %.loc8_4.1
    268. 

  268. // CHECK:STDOUT:   %.loc8_4.3: ref %i32 = class_element_access %.loc8_4.2, element0
    269. 

  269. // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
    270. 

  270. // CHECK:STDOUT:   %impl.elem0.loc8: %.b14 = impl_witness_access constants.%impl_witness.b97, element0 [concrete = constants.%Convert.16d]
    271. 

  271. // CHECK:STDOUT:   %bound_method.loc8_7.1: <bound method> = bound_method %int_2, %impl.elem0.loc8 [concrete = constants.%Convert.bound.918]
    272. 

  272. // CHECK:STDOUT:   %specific_fn.loc8: <specific function> = specific_function %impl.elem0.loc8, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    273. 

  273. // CHECK:STDOUT:   %bound_method.loc8_7.2: <bound method> = bound_method %int_2, %specific_fn.loc8 [concrete = constants.%bound_method.c74]
    274. 

  274. // CHECK:STDOUT:   %int.convert_checked.loc8: init %i32 = call %bound_method.loc8_7.2(%int_2) [concrete = constants.%int_2.d0d]
    275. 

  275. // CHECK:STDOUT:   %.loc8_7: init %i32 = converted %int_2, %int.convert_checked.loc8 [concrete = constants.%int_2.d0d]
    276. 

  276. // CHECK:STDOUT:   assign %.loc8_4.3, %.loc8_7
    277. 

  277. // CHECK:STDOUT:   %a.ref.loc9: ref %Child = name_ref a, %a
    278. 

  278. // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, imports.%Main.import_ref.e8f [concrete = constants.%F]
    279. 

  279. // CHECK:STDOUT:   %F.bound: <bound method> = bound_method %a.ref.loc9, %F.ref
    280. 

  280. // CHECK:STDOUT:   %.loc9_3.1: ref %Base = class_element_access %a.ref.loc9, element0
    281. 

  281. // CHECK:STDOUT:   %.loc9_3.2: ref %Base = converted %a.ref.loc9, %.loc9_3.1
    282. 

  282. // CHECK:STDOUT:   %.loc9_3.3: %Base = bind_value %.loc9_3.2
    283. 

  283. // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.bound(%.loc9_3.3)
    284. 

  284. // CHECK:STDOUT:   return
    285. 

  285. // CHECK:STDOUT: }
    286. 

  286. // CHECK:STDOUT:
    287. 

  287. // CHECK:STDOUT: fn @F[%self.param_patt: %Base]() [from "a.carbon"];
    288. 

  288. // CHECK:STDOUT:
    289.