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compound_field.carbon

compound_field.carbon 14 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/compound_field.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/compound_field.carbon
    10. 

  10. 

  11. base class Base {
    12. 

  12.   var a: i32;
    13. 

  13.   var b: i32;
    14. 

  14.   var c: i32;
    15. 

  15. }
    16. 

  16. 

  17. class Derived {
    18. 

  18.   extend base: Base;
    19. 

  19. 

  20.   var d: i32;
    21. 

  21.   var e: i32;
    22. 

  22. }
    23. 

  23. 

  24. fn AccessDerived(d: Derived) -> i32 {
    25. 

  25.   return d.(Derived.d);
    26. 

  26. }
    27. 

  27. 

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

  29.   return d.(Base.b);
    30. 

  30. }
    31. 

  31. 

  32. fn AccessDerivedIndirect(p: Derived*) -> i32* {
    33. 

  33.   return &p->(Derived.d);
    34. 

  34. }
    35. 

  35. 

  36. fn AccessBaseIndirect(p: Derived*) -> i32* {
    37. 

  37.   return &p->(Base.b);
    38. 

  38. }
    39. 

  39. 

  40. // CHECK:STDOUT: --- compound_field.carbon
    41. 

  41. // CHECK:STDOUT:
    42. 

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

  43. // CHECK:STDOUT:   %Base: type = class_type @Base [template]
    44. 

  44. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    45. 

  45. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    46. 

  46. // CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [template]
    47. 

  47. // CHECK:STDOUT:   %struct_type.a.b.c: type = struct_type {.a: %i32, .b: %i32, .c: %i32} [template]
    48. 

  48. // CHECK:STDOUT:   %complete_type.ebc: <witness> = complete_type_witness %struct_type.a.b.c [template]
    49. 

  49. // CHECK:STDOUT:   %Derived: type = class_type @Derived [template]
    50. 

  50. // CHECK:STDOUT:   %Derived.elem.69e: type = unbound_element_type %Derived, %Base [template]
    51. 

  51. // CHECK:STDOUT:   %Derived.elem.344: type = unbound_element_type %Derived, %i32 [template]
    52. 

  52. // CHECK:STDOUT:   %struct_type.base.d.e.6a7: type = struct_type {.base: %Base, .d: %i32, .e: %i32} [template]
    53. 

  53. // CHECK:STDOUT:   %complete_type.401: <witness> = complete_type_witness %struct_type.base.d.e.6a7 [template]
    54. 

  54. // CHECK:STDOUT:   %AccessDerived.type: type = fn_type @AccessDerived [template]
    55. 

  55. // CHECK:STDOUT:   %AccessDerived: %AccessDerived.type = struct_value () [template]
    56. 

  56. // CHECK:STDOUT:   %AccessBase.type: type = fn_type @AccessBase [template]
    57. 

  57. // CHECK:STDOUT:   %AccessBase: %AccessBase.type = struct_value () [template]
    58. 

  58. // CHECK:STDOUT:   %ptr.404: type = ptr_type %Derived [template]
    59. 

  59. // CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [template]
    60. 

  60. // CHECK:STDOUT:   %AccessDerivedIndirect.type: type = fn_type @AccessDerivedIndirect [template]
    61. 

  61. // CHECK:STDOUT:   %AccessDerivedIndirect: %AccessDerivedIndirect.type = struct_value () [template]
    62. 

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

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

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

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

  67. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    68. 

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

  69. // CHECK:STDOUT:     import Core//prelude
    70. 

  70. // CHECK:STDOUT:     import Core//prelude/...
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT: }
    73. 

  73. // CHECK:STDOUT:
    74. 

  74. // CHECK:STDOUT: file {
    75. 

  75. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    76. 

  76. // CHECK:STDOUT:     .Core = imports.%Core
    77. 

  77. // CHECK:STDOUT:     .Base = %Base.decl
    78. 

  78. // CHECK:STDOUT:     .Derived = %Derived.decl
    79. 

  79. // CHECK:STDOUT:     .AccessDerived = %AccessDerived.decl
    80. 

  80. // CHECK:STDOUT:     .AccessBase = %AccessBase.decl
    81. 

  81. // CHECK:STDOUT:     .AccessDerivedIndirect = %AccessDerivedIndirect.decl
    82. 

  82. // CHECK:STDOUT:     .AccessBaseIndirect = %AccessBaseIndirect.decl
    83. 

  83. // CHECK:STDOUT:   }
    84. 

  84. // CHECK:STDOUT:   %Core.import = import Core
    85. 

  85. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
    86. 

  86. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {} {}
    87. 

  87. // CHECK:STDOUT:   %AccessDerived.decl: %AccessDerived.type = fn_decl @AccessDerived [template = constants.%AccessDerived] {
    88. 

  88. // CHECK:STDOUT:     %d.patt: %Derived = binding_pattern d
    89. 

  89. // CHECK:STDOUT:     %d.param_patt: %Derived = value_param_pattern %d.patt, runtime_param0
    90. 

  90. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    91. 

  91. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
    92. 

  92. // CHECK:STDOUT:   } {
    93. 

  93. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    94. 

  94. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    95. 

  95. // CHECK:STDOUT:     %d.param: %Derived = value_param runtime_param0
    96. 

  96. // CHECK:STDOUT:     %Derived.ref.loc24: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    97. 

  97. // CHECK:STDOUT:     %d: %Derived = bind_name d, %d.param
    98. 

  98. // CHECK:STDOUT:     %return.param: ref %i32 = out_param runtime_param1
    99. 

  99. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    100. 

  100. // CHECK:STDOUT:   }
    101. 

  101. // CHECK:STDOUT:   %AccessBase.decl: %AccessBase.type = fn_decl @AccessBase [template = constants.%AccessBase] {
    102. 

  102. // CHECK:STDOUT:     %d.patt: %Derived = binding_pattern d
    103. 

  103. // CHECK:STDOUT:     %d.param_patt: %Derived = value_param_pattern %d.patt, runtime_param0
    104. 

  104. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    105. 

  105. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param1
    106. 

  106. // CHECK:STDOUT:   } {
    107. 

  107. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    108. 

  108. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    109. 

  109. // CHECK:STDOUT:     %d.param: %Derived = value_param runtime_param0
    110. 

  110. // CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    111. 

  111. // CHECK:STDOUT:     %d: %Derived = bind_name d, %d.param
    112. 

  112. // CHECK:STDOUT:     %return.param: ref %i32 = out_param runtime_param1
    113. 

  113. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    114. 

  114. // CHECK:STDOUT:   }
    115. 

  115. // CHECK:STDOUT:   %AccessDerivedIndirect.decl: %AccessDerivedIndirect.type = fn_decl @AccessDerivedIndirect [template = constants.%AccessDerivedIndirect] {
    116. 

  116. // CHECK:STDOUT:     %p.patt: %ptr.404 = binding_pattern p
    117. 

  117. // CHECK:STDOUT:     %p.param_patt: %ptr.404 = value_param_pattern %p.patt, runtime_param0
    118. 

  118. // CHECK:STDOUT:     %return.patt: %ptr.235 = return_slot_pattern
    119. 

  119. // CHECK:STDOUT:     %return.param_patt: %ptr.235 = out_param_pattern %return.patt, runtime_param1
    120. 

  120. // CHECK:STDOUT:   } {
    121. 

  121. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    122. 

  122. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    123. 

  123. // CHECK:STDOUT:     %ptr.loc32_45: type = ptr_type %i32 [template = constants.%ptr.235]
    124. 

  124. // CHECK:STDOUT:     %p.param: %ptr.404 = value_param runtime_param0
    125. 

  125. // CHECK:STDOUT:     %.loc32: type = splice_block %ptr.loc32_36 [template = constants.%ptr.404] {
    126. 

  126. // CHECK:STDOUT:       %Derived.ref.loc32: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    127. 

  127. // CHECK:STDOUT:       %ptr.loc32_36: type = ptr_type %Derived [template = constants.%ptr.404]
    128. 

  128. // CHECK:STDOUT:     }
    129. 

  129. // CHECK:STDOUT:     %p: %ptr.404 = bind_name p, %p.param
    130. 

  130. // CHECK:STDOUT:     %return.param: ref %ptr.235 = out_param runtime_param1
    131. 

  131. // CHECK:STDOUT:     %return: ref %ptr.235 = return_slot %return.param
    132. 

  132. // CHECK:STDOUT:   }
    133. 

  133. // CHECK:STDOUT:   %AccessBaseIndirect.decl: %AccessBaseIndirect.type = fn_decl @AccessBaseIndirect [template = constants.%AccessBaseIndirect] {
    134. 

  134. // CHECK:STDOUT:     %p.patt: %ptr.404 = binding_pattern p
    135. 

  135. // CHECK:STDOUT:     %p.param_patt: %ptr.404 = value_param_pattern %p.patt, runtime_param0
    136. 

  136. // CHECK:STDOUT:     %return.patt: %ptr.235 = return_slot_pattern
    137. 

  137. // CHECK:STDOUT:     %return.param_patt: %ptr.235 = out_param_pattern %return.patt, runtime_param1
    138. 

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

  139. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    140. 

  140. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    141. 

  141. // CHECK:STDOUT:     %ptr.loc36_42: type = ptr_type %i32 [template = constants.%ptr.235]
    142. 

  142. // CHECK:STDOUT:     %p.param: %ptr.404 = value_param runtime_param0
    143. 

  143. // CHECK:STDOUT:     %.loc36: type = splice_block %ptr.loc36_33 [template = constants.%ptr.404] {
    144. 

  144. // CHECK:STDOUT:       %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    145. 

  145. // CHECK:STDOUT:       %ptr.loc36_33: type = ptr_type %Derived [template = constants.%ptr.404]
    146. 

  146. // CHECK:STDOUT:     }
    147. 

  147. // CHECK:STDOUT:     %p: %ptr.404 = bind_name p, %p.param
    148. 

  148. // CHECK:STDOUT:     %return.param: ref %ptr.235 = out_param runtime_param1
    149. 

  149. // CHECK:STDOUT:     %return: ref %ptr.235 = return_slot %return.param
    150. 

  150. // CHECK:STDOUT:   }
    151. 

  151. // CHECK:STDOUT: }
    152. 

  152. // CHECK:STDOUT:
    153. 

  153. // CHECK:STDOUT: class @Base {
    154. 

  154. // CHECK:STDOUT:   %.loc12_8: %Base.elem = field_decl a, element0 [template]
    155. 

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

  156. // CHECK:STDOUT:     %.loc12_3: %Base.elem = var_pattern %.loc12_8
    157. 

  157. // CHECK:STDOUT:   }
    158. 

  158. // CHECK:STDOUT:   %.var.loc12: ref %Base.elem = var <none>
    159. 

  159. // CHECK:STDOUT:   %.loc13_8: %Base.elem = field_decl b, element1 [template]
    160. 

  160. // CHECK:STDOUT:   name_binding_decl {
    161. 

  161. // CHECK:STDOUT:     %.loc13_3: %Base.elem = var_pattern %.loc13_8
    162. 

  162. // CHECK:STDOUT:   }
    163. 

  163. // CHECK:STDOUT:   %.var.loc13: ref %Base.elem = var <none>
    164. 

  164. // CHECK:STDOUT:   %.loc14_8: %Base.elem = field_decl c, element2 [template]
    165. 

  165. // CHECK:STDOUT:   name_binding_decl {
    166. 

  166. // CHECK:STDOUT:     %.loc14_3: %Base.elem = var_pattern %.loc14_8
    167. 

  167. // CHECK:STDOUT:   }
    168. 

  168. // CHECK:STDOUT:   %.var.loc14: ref %Base.elem = var <none>
    169. 

  169. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.a.b.c [template = constants.%complete_type.ebc]
    170. 

  170. // CHECK:STDOUT:   complete_type_witness = %complete_type
    171. 

  171. // CHECK:STDOUT:
    172. 

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

  173. // CHECK:STDOUT:   .Self = constants.%Base
    174. 

  174. // CHECK:STDOUT:   .a = %.loc12_8
    175. 

  175. // CHECK:STDOUT:   .b = %.loc13_8
    176. 

  176. // CHECK:STDOUT:   .c = %.loc14_8
    177. 

  177. // CHECK:STDOUT: }
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: class @Derived {
    180. 

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

  181. // CHECK:STDOUT:   %.loc18: %Derived.elem.69e = base_decl %Base.ref, element0 [template]
    182. 

  182. // CHECK:STDOUT:   %.loc20_8: %Derived.elem.344 = field_decl d, element1 [template]
    183. 

  183. // CHECK:STDOUT:   name_binding_decl {
    184. 

  184. // CHECK:STDOUT:     %.loc20_3: %Derived.elem.344 = var_pattern %.loc20_8
    185. 

  185. // CHECK:STDOUT:   }
    186. 

  186. // CHECK:STDOUT:   %.var.loc20: ref %Derived.elem.344 = var <none>
    187. 

  187. // CHECK:STDOUT:   %.loc21_8: %Derived.elem.344 = field_decl e, element2 [template]
    188. 

  188. // CHECK:STDOUT:   name_binding_decl {
    189. 

  189. // CHECK:STDOUT:     %.loc21_3: %Derived.elem.344 = var_pattern %.loc21_8
    190. 

  190. // CHECK:STDOUT:   }
    191. 

  191. // CHECK:STDOUT:   %.var.loc21: ref %Derived.elem.344 = var <none>
    192. 

  192. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base.d.e.6a7 [template = constants.%complete_type.401]
    193. 

  193. // CHECK:STDOUT:   complete_type_witness = %complete_type
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: !members:
    196. 

  196. // CHECK:STDOUT:   .Self = constants.%Derived
    197. 

  197. // CHECK:STDOUT:   .base = %.loc18
    198. 

  198. // CHECK:STDOUT:   .d = %.loc20_8
    199. 

  199. // CHECK:STDOUT:   .e = %.loc21_8
    200. 

  200. // CHECK:STDOUT:   extend %Base.ref
    201. 

  201. // CHECK:STDOUT: }
    202. 

  202. // CHECK:STDOUT:
    203. 

  203. // CHECK:STDOUT: fn @AccessDerived(%d.param_patt: %Derived) -> %i32 {
    204. 

  204. // CHECK:STDOUT: !entry:
    205. 

  205. // CHECK:STDOUT:   %d.ref.loc25_10: %Derived = name_ref d, %d
    206. 

  206. // CHECK:STDOUT:   %Derived.ref.loc25: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    207. 

  207. // CHECK:STDOUT:   %d.ref.loc25_20: %Derived.elem.344 = name_ref d, @Derived.%.loc20_8 [template = @Derived.%.loc20_8]
    208. 

  208. // CHECK:STDOUT:   %.loc25_11.1: ref %i32 = class_element_access %d.ref.loc25_10, element1
    209. 

  209. // CHECK:STDOUT:   %.loc25_11.2: %i32 = bind_value %.loc25_11.1
    210. 

  210. // CHECK:STDOUT:   return %.loc25_11.2
    211. 

  211. // CHECK:STDOUT: }
    212. 

  212. // CHECK:STDOUT:
    213. 

  213. // CHECK:STDOUT: fn @AccessBase(%d.param_patt: %Derived) -> %i32 {
    214. 

  214. // CHECK:STDOUT: !entry:
    215. 

  215. // CHECK:STDOUT:   %d.ref: %Derived = name_ref d, %d
    216. 

  216. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    217. 

  217. // CHECK:STDOUT:   %b.ref: %Base.elem = name_ref b, @Base.%.loc13_8 [template = @Base.%.loc13_8]
    218. 

  218. // CHECK:STDOUT:   %.loc29_11.1: ref %Base = class_element_access %d.ref, element0
    219. 

  219. // CHECK:STDOUT:   %.loc29_11.2: ref %Base = converted %d.ref, %.loc29_11.1
    220. 

  220. // CHECK:STDOUT:   %.loc29_11.3: ref %i32 = class_element_access %.loc29_11.2, element1
    221. 

  221. // CHECK:STDOUT:   %.loc29_11.4: %i32 = bind_value %.loc29_11.3
    222. 

  222. // CHECK:STDOUT:   return %.loc29_11.4
    223. 

  223. // CHECK:STDOUT: }
    224. 

  224. // CHECK:STDOUT:
    225. 

  225. // CHECK:STDOUT: fn @AccessDerivedIndirect(%p.param_patt: %ptr.404) -> %ptr.235 {
    226. 

  226. // CHECK:STDOUT: !entry:
    227. 

  227. // CHECK:STDOUT:   %p.ref: %ptr.404 = name_ref p, %p
    228. 

  228. // CHECK:STDOUT:   %Derived.ref.loc33: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    229. 

  229. // CHECK:STDOUT:   %d.ref: %Derived.elem.344 = name_ref d, @Derived.%.loc20_8 [template = @Derived.%.loc20_8]
    230. 

  230. // CHECK:STDOUT:   %.loc33_12.1: ref %Derived = deref %p.ref
    231. 

  231. // CHECK:STDOUT:   %.loc33_12.2: ref %i32 = class_element_access %.loc33_12.1, element1
    232. 

  232. // CHECK:STDOUT:   %addr: %ptr.235 = addr_of %.loc33_12.2
    233. 

  233. // CHECK:STDOUT:   return %addr
    234. 

  234. // CHECK:STDOUT: }
    235. 

  235. // CHECK:STDOUT:
    236. 

  236. // CHECK:STDOUT: fn @AccessBaseIndirect(%p.param_patt: %ptr.404) -> %ptr.235 {
    237. 

  237. // CHECK:STDOUT: !entry:
    238. 

  238. // CHECK:STDOUT:   %p.ref: %ptr.404 = name_ref p, %p
    239. 

  239. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    240. 

  240. // CHECK:STDOUT:   %b.ref: %Base.elem = name_ref b, @Base.%.loc13_8 [template = @Base.%.loc13_8]
    241. 

  241. // CHECK:STDOUT:   %.loc37_12.1: ref %Derived = deref %p.ref
    242. 

  242. // CHECK:STDOUT:   %.loc37_12.2: ref %Base = class_element_access %.loc37_12.1, element0
    243. 

  243. // CHECK:STDOUT:   %.loc37_12.3: ref %Base = converted %.loc37_12.1, %.loc37_12.2
    244. 

  244. // CHECK:STDOUT:   %.loc37_12.4: ref %i32 = class_element_access %.loc37_12.3, element1
    245. 

  245. // CHECK:STDOUT:   %addr: %ptr.235 = addr_of %.loc37_12.4
    246. 

  246. // CHECK:STDOUT:   return %addr
    247. 

  247. // CHECK:STDOUT: }
    248. 

  248. // CHECK:STDOUT:
    249.