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carbon-lang
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toolchain
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check
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derived_to_base.carbon

derived_to_base.carbon 16 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/class/derived_to_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/derived_to_base.carbon
    10. 

  10. 

  11. base class A {
    12. 

  12.   var a: i32;
    13. 

  13. }
    14. 

  14. 

  15. base class B {
    16. 

  16.   extend base: A;
    17. 

  17.   var b: i32;
    18. 

  18. }
    19. 

  19. 

  20. class C {
    21. 

  21.   extend base: B;
    22. 

  22.   var c: i32;
    23. 

  23. }
    24. 

  24. 

  25. fn ConvertCToB(p: C*) -> B* { return p; }
    26. 

  26. fn ConvertBToA(p: B*) -> A* { return p; }
    27. 

  27. fn ConvertCToA(p: C*) -> A* { return p; }
    28. 

  28. 

  29. fn ConvertValue(c: C) {
    30. 

  30.   let a: A = c;
    31. 

  31. }
    32. 

  32. 

  33. fn ConvertRef(c: C*) -> A* {
    34. 

  34.   return &(*c as A);
    35. 

  35. }
    36. 

  36. 

  37. fn ConvertInit() {
    38. 

  38.   let a: A = {.base = {.base = {.a = 1}, .b = 2}, .c = 3} as C;
    39. 

  39. }
    40. 

  40. 

  41. // CHECK:STDOUT: --- derived_to_base.carbon
    42. 

  42. // CHECK:STDOUT:
    43. 

  43. // CHECK:STDOUT: constants {
    44. 

  44. // CHECK:STDOUT:   %A: type = class_type @A [template]
    45. 

  45. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    46. 

  46. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    47. 

  47. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    48. 

  48. // CHECK:STDOUT:   %.2: type = unbound_element_type %A, i32 [template]
    49. 

  49. // CHECK:STDOUT:   %.3: type = struct_type {.a: i32} [template]
    50. 

  50. // CHECK:STDOUT:   %B: type = class_type @B [template]
    51. 

  51. // CHECK:STDOUT:   %.4: type = ptr_type %.3 [template]
    52. 

  52. // CHECK:STDOUT:   %.5: type = unbound_element_type %B, %A [template]
    53. 

  53. // CHECK:STDOUT:   %.6: type = unbound_element_type %B, i32 [template]
    54. 

  54. // CHECK:STDOUT:   %.7: type = struct_type {.base: %A, .b: i32} [template]
    55. 

  55. // CHECK:STDOUT:   %C: type = class_type @C [template]
    56. 

  56. // CHECK:STDOUT:   %.8: type = struct_type {.base: %.4, .b: i32} [template]
    57. 

  57. // CHECK:STDOUT:   %.9: type = ptr_type %.8 [template]
    58. 

  58. // CHECK:STDOUT:   %.10: type = ptr_type %.7 [template]
    59. 

  59. // CHECK:STDOUT:   %.11: type = unbound_element_type %C, %B [template]
    60. 

  60. // CHECK:STDOUT:   %.12: type = unbound_element_type %C, i32 [template]
    61. 

  61. // CHECK:STDOUT:   %.13: type = struct_type {.base: %B, .c: i32} [template]
    62. 

  62. // CHECK:STDOUT:   %.14: type = ptr_type %C [template]
    63. 

  63. // CHECK:STDOUT:   %.15: type = ptr_type %B [template]
    64. 

  64. // CHECK:STDOUT:   %ConvertCToB.type: type = fn_type @ConvertCToB [template]
    65. 

  65. // CHECK:STDOUT:   %ConvertCToB: %ConvertCToB.type = struct_value () [template]
    66. 

  66. // CHECK:STDOUT:   %.16: type = struct_type {.base: %.10, .c: i32} [template]
    67. 

  67. // CHECK:STDOUT:   %.17: type = ptr_type %.16 [template]
    68. 

  68. // CHECK:STDOUT:   %.18: type = ptr_type %.13 [template]
    69. 

  69. // CHECK:STDOUT:   %.19: type = ptr_type %A [template]
    70. 

  70. // CHECK:STDOUT:   %ConvertBToA.type: type = fn_type @ConvertBToA [template]
    71. 

  71. // CHECK:STDOUT:   %ConvertBToA: %ConvertBToA.type = struct_value () [template]
    72. 

  72. // CHECK:STDOUT:   %ConvertCToA.type: type = fn_type @ConvertCToA [template]
    73. 

  73. // CHECK:STDOUT:   %ConvertCToA: %ConvertCToA.type = struct_value () [template]
    74. 

  74. // CHECK:STDOUT:   %ConvertValue.type: type = fn_type @ConvertValue [template]
    75. 

  75. // CHECK:STDOUT:   %ConvertValue: %ConvertValue.type = struct_value () [template]
    76. 

  76. // CHECK:STDOUT:   %ConvertRef.type: type = fn_type @ConvertRef [template]
    77. 

  77. // CHECK:STDOUT:   %ConvertRef: %ConvertRef.type = struct_value () [template]
    78. 

  78. // CHECK:STDOUT:   %ConvertInit.type: type = fn_type @ConvertInit [template]
    79. 

  79. // CHECK:STDOUT:   %ConvertInit: %ConvertInit.type = struct_value () [template]
    80. 

  80. // CHECK:STDOUT:   %.20: i32 = int_literal 1 [template]
    81. 

  81. // CHECK:STDOUT:   %.21: i32 = int_literal 2 [template]
    82. 

  82. // CHECK:STDOUT:   %.22: type = struct_type {.base: %.3, .b: i32} [template]
    83. 

  83. // CHECK:STDOUT:   %.23: i32 = int_literal 3 [template]
    84. 

  84. // CHECK:STDOUT:   %.24: type = struct_type {.base: %.22, .c: i32} [template]
    85. 

  85. // CHECK:STDOUT:   %struct.1: %A = struct_value (%.20) [template]
    86. 

  86. // CHECK:STDOUT:   %struct.2: %B = struct_value (%struct.1, %.21) [template]
    87. 

  87. // CHECK:STDOUT:   %struct.3: %C = struct_value (%struct.2, %.23) [template]
    88. 

  88. // CHECK:STDOUT: }
    89. 

  89. // CHECK:STDOUT:
    90. 

  90. // CHECK:STDOUT: file {
    91. 

  91. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    92. 

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

  93. // CHECK:STDOUT:     .A = %A.decl
    94. 

  94. // CHECK:STDOUT:     .B = %B.decl
    95. 

  95. // CHECK:STDOUT:     .C = %C.decl
    96. 

  96. // CHECK:STDOUT:     .ConvertCToB = %ConvertCToB.decl
    97. 

  97. // CHECK:STDOUT:     .ConvertBToA = %ConvertBToA.decl
    98. 

  98. // CHECK:STDOUT:     .ConvertCToA = %ConvertCToA.decl
    99. 

  99. // CHECK:STDOUT:     .ConvertValue = %ConvertValue.decl
    100. 

  100. // CHECK:STDOUT:     .ConvertRef = %ConvertRef.decl
    101. 

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

  102. // CHECK:STDOUT:   }
    103. 

  103. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    104. 

  104. // CHECK:STDOUT:   %A.decl: type = class_decl @A [template = constants.%A] {}
    105. 

  105. // CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    106. 

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

  107. // CHECK:STDOUT:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    108. 

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

  109. // CHECK:STDOUT:   %import_ref.3: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    110. 

  110. // CHECK:STDOUT:   %ConvertCToB.decl: %ConvertCToB.type = fn_decl @ConvertCToB [template = constants.%ConvertCToB] {
    111. 

  111. // CHECK:STDOUT:     %C.ref.loc25: type = name_ref C, %C.decl [template = constants.%C]
    112. 

  112. // CHECK:STDOUT:     %.loc25_20: type = ptr_type %C [template = constants.%.14]
    113. 

  113. // CHECK:STDOUT:     %p.loc25_16.1: %.14 = param p
    114. 

  114. // CHECK:STDOUT:     @ConvertCToB.%p: %.14 = bind_name p, %p.loc25_16.1
    115. 

  115. // CHECK:STDOUT:     %B.ref.loc25: type = name_ref B, %B.decl [template = constants.%B]
    116. 

  116. // CHECK:STDOUT:     %.loc25_27: type = ptr_type %B [template = constants.%.15]
    117. 

  117. // CHECK:STDOUT:     @ConvertCToB.%return: ref %.15 = var <return slot>
    118. 

  118. // CHECK:STDOUT:   }
    119. 

  119. // CHECK:STDOUT:   %ConvertBToA.decl: %ConvertBToA.type = fn_decl @ConvertBToA [template = constants.%ConvertBToA] {
    120. 

  120. // CHECK:STDOUT:     %B.ref.loc26: type = name_ref B, %B.decl [template = constants.%B]
    121. 

  121. // CHECK:STDOUT:     %.loc26_20: type = ptr_type %B [template = constants.%.15]
    122. 

  122. // CHECK:STDOUT:     %p.loc26_16.1: %.15 = param p
    123. 

  123. // CHECK:STDOUT:     @ConvertBToA.%p: %.15 = bind_name p, %p.loc26_16.1
    124. 

  124. // CHECK:STDOUT:     %A.ref.loc26: type = name_ref A, %A.decl [template = constants.%A]
    125. 

  125. // CHECK:STDOUT:     %.loc26_27: type = ptr_type %A [template = constants.%.19]
    126. 

  126. // CHECK:STDOUT:     @ConvertBToA.%return: ref %.19 = var <return slot>
    127. 

  127. // CHECK:STDOUT:   }
    128. 

  128. // CHECK:STDOUT:   %ConvertCToA.decl: %ConvertCToA.type = fn_decl @ConvertCToA [template = constants.%ConvertCToA] {
    129. 

  129. // CHECK:STDOUT:     %C.ref.loc27: type = name_ref C, %C.decl [template = constants.%C]
    130. 

  130. // CHECK:STDOUT:     %.loc27_20: type = ptr_type %C [template = constants.%.14]
    131. 

  131. // CHECK:STDOUT:     %p.loc27_16.1: %.14 = param p
    132. 

  132. // CHECK:STDOUT:     @ConvertCToA.%p: %.14 = bind_name p, %p.loc27_16.1
    133. 

  133. // CHECK:STDOUT:     %A.ref.loc27: type = name_ref A, %A.decl [template = constants.%A]
    134. 

  134. // CHECK:STDOUT:     %.loc27_27: type = ptr_type %A [template = constants.%.19]
    135. 

  135. // CHECK:STDOUT:     @ConvertCToA.%return: ref %.19 = var <return slot>
    136. 

  136. // CHECK:STDOUT:   }
    137. 

  137. // CHECK:STDOUT:   %ConvertValue.decl: %ConvertValue.type = fn_decl @ConvertValue [template = constants.%ConvertValue] {
    138. 

  138. // CHECK:STDOUT:     %C.ref.loc29: type = name_ref C, %C.decl [template = constants.%C]
    139. 

  139. // CHECK:STDOUT:     %c.loc29_17.1: %C = param c
    140. 

  140. // CHECK:STDOUT:     @ConvertValue.%c: %C = bind_name c, %c.loc29_17.1
    141. 

  141. // CHECK:STDOUT:   }
    142. 

  142. // CHECK:STDOUT:   %ConvertRef.decl: %ConvertRef.type = fn_decl @ConvertRef [template = constants.%ConvertRef] {
    143. 

  143. // CHECK:STDOUT:     %C.ref.loc33: type = name_ref C, %C.decl [template = constants.%C]
    144. 

  144. // CHECK:STDOUT:     %.loc33_19: type = ptr_type %C [template = constants.%.14]
    145. 

  145. // CHECK:STDOUT:     %c.loc33_15.1: %.14 = param c
    146. 

  146. // CHECK:STDOUT:     @ConvertRef.%c: %.14 = bind_name c, %c.loc33_15.1
    147. 

  147. // CHECK:STDOUT:     %A.ref.loc33: type = name_ref A, %A.decl [template = constants.%A]
    148. 

  148. // CHECK:STDOUT:     %.loc33_26: type = ptr_type %A [template = constants.%.19]
    149. 

  149. // CHECK:STDOUT:     @ConvertRef.%return: ref %.19 = var <return slot>
    150. 

  150. // CHECK:STDOUT:   }
    151. 

  151. // CHECK:STDOUT:   %ConvertInit.decl: %ConvertInit.type = fn_decl @ConvertInit [template = constants.%ConvertInit] {}
    152. 

  152. // CHECK:STDOUT: }
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: class @A {
    155. 

  155. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    156. 

  156. // CHECK:STDOUT:   %.loc12_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
    157. 

  157. // CHECK:STDOUT:   %.loc12_10.2: type = converted %int.make_type_32, %.loc12_10.1 [template = i32]
    158. 

  158. // CHECK:STDOUT:   %.loc12_8: %.2 = field_decl a, element0 [template]
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: !members:
    161. 

  161. // CHECK:STDOUT:   .Self = constants.%A
    162. 

  162. // CHECK:STDOUT:   .a = %.loc12_8
    163. 

  163. // CHECK:STDOUT: }
    164. 

  164. // CHECK:STDOUT:
    165. 

  165. // CHECK:STDOUT: class @B {
    166. 

  166. // CHECK:STDOUT:   %A.ref: type = name_ref A, file.%A.decl [template = constants.%A]
    167. 

  167. // CHECK:STDOUT:   %.loc16: %.5 = base_decl %A, element0 [template]
    168. 

  168. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    169. 

  169. // CHECK:STDOUT:   %.loc17_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
    170. 

  170. // CHECK:STDOUT:   %.loc17_10.2: type = converted %int.make_type_32, %.loc17_10.1 [template = i32]
    171. 

  171. // CHECK:STDOUT:   %.loc17_8: %.6 = field_decl b, element1 [template]
    172. 

  172. // CHECK:STDOUT:
    173. 

  173. // CHECK:STDOUT: !members:
    174. 

  174. // CHECK:STDOUT:   .Self = constants.%B
    175. 

  175. // CHECK:STDOUT:   .base = %.loc16
    176. 

  176. // CHECK:STDOUT:   .b = %.loc17_8
    177. 

  177. // CHECK:STDOUT:   extend name_scope2
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: class @C {
    181. 

  181. // CHECK:STDOUT:   %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
    182. 

  182. // CHECK:STDOUT:   %.loc21: %.11 = base_decl %B, element0 [template]
    183. 

  183. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    184. 

  184. // CHECK:STDOUT:   %.loc22_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
    185. 

  185. // CHECK:STDOUT:   %.loc22_10.2: type = converted %int.make_type_32, %.loc22_10.1 [template = i32]
    186. 

  186. // CHECK:STDOUT:   %.loc22_8: %.12 = field_decl c, element1 [template]
    187. 

  187. // CHECK:STDOUT:
    188. 

  188. // CHECK:STDOUT: !members:
    189. 

  189. // CHECK:STDOUT:   .Self = constants.%C
    190. 

  190. // CHECK:STDOUT:   .base = %.loc21
    191. 

  191. // CHECK:STDOUT:   .c = %.loc22_8
    192. 

  192. // CHECK:STDOUT:   extend name_scope3
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: fn @ConvertCToB(%p: %.14) -> %.15 {
    198. 

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

  199. // CHECK:STDOUT:   %p.ref: %.14 = name_ref p, %p
    200. 

  200. // CHECK:STDOUT:   %.loc25_39.1: ref %C = deref %p.ref
    201. 

  201. // CHECK:STDOUT:   %.loc25_39.2: ref %B = class_element_access %.loc25_39.1, element0
    202. 

  202. // CHECK:STDOUT:   %.loc25_39.3: %.15 = addr_of %.loc25_39.2
    203. 

  203. // CHECK:STDOUT:   %.loc25_39.4: %.15 = converted %p.ref, %.loc25_39.3
    204. 

  204. // CHECK:STDOUT:   return %.loc25_39.4
    205. 

  205. // CHECK:STDOUT: }
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: fn @ConvertBToA(%p: %.15) -> %.19 {
    208. 

  208. // CHECK:STDOUT: !entry:
    209. 

  209. // CHECK:STDOUT:   %p.ref: %.15 = name_ref p, %p
    210. 

  210. // CHECK:STDOUT:   %.loc26_39.1: ref %B = deref %p.ref
    211. 

  211. // CHECK:STDOUT:   %.loc26_39.2: ref %A = class_element_access %.loc26_39.1, element0
    212. 

  212. // CHECK:STDOUT:   %.loc26_39.3: %.19 = addr_of %.loc26_39.2
    213. 

  213. // CHECK:STDOUT:   %.loc26_39.4: %.19 = converted %p.ref, %.loc26_39.3
    214. 

  214. // CHECK:STDOUT:   return %.loc26_39.4
    215. 

  215. // CHECK:STDOUT: }
    216. 

  216. // CHECK:STDOUT:
    217. 

  217. // CHECK:STDOUT: fn @ConvertCToA(%p: %.14) -> %.19 {
    218. 

  218. // CHECK:STDOUT: !entry:
    219. 

  219. // CHECK:STDOUT:   %p.ref: %.14 = name_ref p, %p
    220. 

  220. // CHECK:STDOUT:   %.loc27_39.1: ref %C = deref %p.ref
    221. 

  221. // CHECK:STDOUT:   %.loc27_39.2: ref %B = class_element_access %.loc27_39.1, element0
    222. 

  222. // CHECK:STDOUT:   %.loc27_39.3: ref %A = class_element_access %.loc27_39.2, element0
    223. 

  223. // CHECK:STDOUT:   %.loc27_39.4: %.19 = addr_of %.loc27_39.3
    224. 

  224. // CHECK:STDOUT:   %.loc27_39.5: %.19 = converted %p.ref, %.loc27_39.4
    225. 

  225. // CHECK:STDOUT:   return %.loc27_39.5
    226. 

  226. // CHECK:STDOUT: }
    227. 

  227. // CHECK:STDOUT:
    228. 

  228. // CHECK:STDOUT: fn @ConvertValue(%c: %C) {
    229. 

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

  230. // CHECK:STDOUT:   %A.ref: type = name_ref A, file.%A.decl [template = constants.%A]
    231. 

  231. // CHECK:STDOUT:   %c.ref: %C = name_ref c, %c
    232. 

  232. // CHECK:STDOUT:   %.loc30_15.1: ref %B = class_element_access %c.ref, element0
    233. 

  233. // CHECK:STDOUT:   %.loc30_15.2: ref %A = class_element_access %.loc30_15.1, element0
    234. 

  234. // CHECK:STDOUT:   %.loc30_15.3: ref %A = converted %c.ref, %.loc30_15.2
    235. 

  235. // CHECK:STDOUT:   %.loc30_15.4: %A = bind_value %.loc30_15.3
    236. 

  236. // CHECK:STDOUT:   %a: %A = bind_name a, %.loc30_15.4
    237. 

  237. // CHECK:STDOUT:   return
    238. 

  238. // CHECK:STDOUT: }
    239. 

  239. // CHECK:STDOUT:
    240. 

  240. // CHECK:STDOUT: fn @ConvertRef(%c: %.14) -> %.19 {
    241. 

  241. // CHECK:STDOUT: !entry:
    242. 

  242. // CHECK:STDOUT:   %c.ref: %.14 = name_ref c, %c
    243. 

  243. // CHECK:STDOUT:   %.loc34_12: ref %C = deref %c.ref
    244. 

  244. // CHECK:STDOUT:   %A.ref: type = name_ref A, file.%A.decl [template = constants.%A]
    245. 

  245. // CHECK:STDOUT:   %.loc34_15.1: ref %B = class_element_access %.loc34_12, element0
    246. 

  246. // CHECK:STDOUT:   %.loc34_15.2: ref %A = class_element_access %.loc34_15.1, element0
    247. 

  247. // CHECK:STDOUT:   %.loc34_15.3: ref %A = converted %.loc34_12, %.loc34_15.2
    248. 

  248. // CHECK:STDOUT:   %.loc34_10: %.19 = addr_of %.loc34_15.3
    249. 

  249. // CHECK:STDOUT:   return %.loc34_10
    250. 

  250. // CHECK:STDOUT: }
    251. 

  251. // CHECK:STDOUT:
    252. 

  252. // CHECK:STDOUT: fn @ConvertInit() {
    253. 

  253. // CHECK:STDOUT: !entry:
    254. 

  254. // CHECK:STDOUT:   %A.ref: type = name_ref A, file.%A.decl [template = constants.%A]
    255. 

  255. // CHECK:STDOUT:   %.loc38_38: i32 = int_literal 1 [template = constants.%.20]
    256. 

  256. // CHECK:STDOUT:   %.loc38_39.1: %.3 = struct_literal (%.loc38_38)
    257. 

  257. // CHECK:STDOUT:   %.loc38_47: i32 = int_literal 2 [template = constants.%.21]
    258. 

  258. // CHECK:STDOUT:   %.loc38_48.1: %.22 = struct_literal (%.loc38_39.1, %.loc38_47)
    259. 

  259. // CHECK:STDOUT:   %.loc38_56: i32 = int_literal 3 [template = constants.%.23]
    260. 

  260. // CHECK:STDOUT:   %.loc38_57.1: %.24 = struct_literal (%.loc38_48.1, %.loc38_56)
    261. 

  261. // CHECK:STDOUT:   %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
    262. 

  262. // CHECK:STDOUT:   %.loc38_57.2: ref %C = temporary_storage
    263. 

  263. // CHECK:STDOUT:   %.loc38_57.3: ref %B = class_element_access %.loc38_57.2, element0
    264. 

  264. // CHECK:STDOUT:   %.loc38_48.2: ref %A = class_element_access %.loc38_57.3, element0
    265. 

  265. // CHECK:STDOUT:   %.loc38_39.2: ref i32 = class_element_access %.loc38_48.2, element0
    266. 

  266. // CHECK:STDOUT:   %.loc38_39.3: init i32 = initialize_from %.loc38_38 to %.loc38_39.2 [template = constants.%.20]
    267. 

  267. // CHECK:STDOUT:   %.loc38_39.4: init %A = class_init (%.loc38_39.3), %.loc38_48.2 [template = constants.%struct.1]
    268. 

  268. // CHECK:STDOUT:   %.loc38_48.3: init %A = converted %.loc38_39.1, %.loc38_39.4 [template = constants.%struct.1]
    269. 

  269. // CHECK:STDOUT:   %.loc38_48.4: ref i32 = class_element_access %.loc38_57.3, element1
    270. 

  270. // CHECK:STDOUT:   %.loc38_48.5: init i32 = initialize_from %.loc38_47 to %.loc38_48.4 [template = constants.%.21]
    271. 

  271. // CHECK:STDOUT:   %.loc38_48.6: init %B = class_init (%.loc38_48.3, %.loc38_48.5), %.loc38_57.3 [template = constants.%struct.2]
    272. 

  272. // CHECK:STDOUT:   %.loc38_57.4: init %B = converted %.loc38_48.1, %.loc38_48.6 [template = constants.%struct.2]
    273. 

  273. // CHECK:STDOUT:   %.loc38_57.5: ref i32 = class_element_access %.loc38_57.2, element1
    274. 

  274. // CHECK:STDOUT:   %.loc38_57.6: init i32 = initialize_from %.loc38_56 to %.loc38_57.5 [template = constants.%.23]
    275. 

  275. // CHECK:STDOUT:   %.loc38_57.7: init %C = class_init (%.loc38_57.4, %.loc38_57.6), %.loc38_57.2 [template = constants.%struct.3]
    276. 

  276. // CHECK:STDOUT:   %.loc38_57.8: ref %C = temporary %.loc38_57.2, %.loc38_57.7
    277. 

  277. // CHECK:STDOUT:   %.loc38_59: ref %C = converted %.loc38_57.1, %.loc38_57.8
    278. 

  278. // CHECK:STDOUT:   %.loc38_63.1: ref %B = class_element_access %.loc38_59, element0
    279. 

  279. // CHECK:STDOUT:   %.loc38_63.2: ref %A = class_element_access %.loc38_63.1, element0
    280. 

  280. // CHECK:STDOUT:   %.loc38_63.3: ref %A = converted %.loc38_59, %.loc38_63.2
    281. 

  281. // CHECK:STDOUT:   %.loc38_63.4: %A = bind_value %.loc38_63.3
    282. 

  282. // CHECK:STDOUT:   %a: %A = bind_name a, %.loc38_63.4
    283. 

  283. // CHECK:STDOUT:   return
    284. 

  284. // CHECK:STDOUT: }
    285. 

  285. // CHECK:STDOUT:
    286.