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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_method_shadow.carbon

base_method_shadow.carbon 13 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_method_shadow.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_method_shadow.carbon
    10. 

  10. 

  11. base class A {
    12. 

  12.   fn F[addr self: Self*]();
    13. 

  13. }
    14. 

  14. 

  15. base class B {
    16. 

  16.   extend base: A;
    17. 

  17.   fn F[addr self: Self*]();
    18. 

  18. }
    19. 

  19. 

  20. class C {
    21. 

  21.   extend base: B;
    22. 

  22.   fn F[addr self: Self*]();
    23. 

  23. }
    24. 

  24. 

  25. class D {
    26. 

  26.   extend base: B;
    27. 

  27. }
    28. 

  28. 

  29. fn Call(a: A*, b: B*, c: C*, d: D*) {
    30. 

  30.   (*a).F();
    31. 

  31.   (*b).F();
    32. 

  32.   (*c).F();
    33. 

  33.   (*d).F();
    34. 

  34. }
    35. 

  35. 

  36. // CHECK:STDOUT: --- base_method_shadow.carbon
    37. 

  37. // CHECK:STDOUT:
    38. 

  38. // CHECK:STDOUT: constants {
    39. 

  39. // CHECK:STDOUT:   %A: type = class_type @A [template]
    40. 

  40. // CHECK:STDOUT:   %ptr.6db: type = ptr_type %A [template]
    41. 

  41. // CHECK:STDOUT:   %F.type.649: type = fn_type @F.1 [template]
    42. 

  42. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
    43. 

  43. // CHECK:STDOUT:   %F.485: %F.type.649 = struct_value () [template]
    44. 

  44. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
    45. 

  45. // CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [template]
    46. 

  46. // CHECK:STDOUT:   %B: type = class_type @B [template]
    47. 

  47. // CHECK:STDOUT:   %B.elem: type = unbound_element_type %B, %A [template]
    48. 

  48. // CHECK:STDOUT:   %ptr.e79: type = ptr_type %B [template]
    49. 

  49. // CHECK:STDOUT:   %F.type.8c6: type = fn_type @F.2 [template]
    50. 

  50. // CHECK:STDOUT:   %F.92a: %F.type.8c6 = struct_value () [template]
    51. 

  51. // CHECK:STDOUT:   %struct_type.base.953: type = struct_type {.base: %A} [template]
    52. 

  52. // CHECK:STDOUT:   %complete_type.020: <witness> = complete_type_witness %struct_type.base.953 [template]
    53. 

  53. // CHECK:STDOUT:   %C: type = class_type @C [template]
    54. 

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

  55. // CHECK:STDOUT:   %ptr.019: type = ptr_type %C [template]
    56. 

  56. // CHECK:STDOUT:   %F.type.c29: type = fn_type @F.3 [template]
    57. 

  57. // CHECK:STDOUT:   %F.437: %F.type.c29 = struct_value () [template]
    58. 

  58. // CHECK:STDOUT:   %struct_type.base.0ff: type = struct_type {.base: %B} [template]
    59. 

  59. // CHECK:STDOUT:   %complete_type.98e: <witness> = complete_type_witness %struct_type.base.0ff [template]
    60. 

  60. // CHECK:STDOUT:   %D: type = class_type @D [template]
    61. 

  61. // CHECK:STDOUT:   %D.elem: type = unbound_element_type %D, %B [template]
    62. 

  62. // CHECK:STDOUT:   %ptr.19c: type = ptr_type %D [template]
    63. 

  63. // CHECK:STDOUT:   %Call.type: type = fn_type @Call [template]
    64. 

  64. // CHECK:STDOUT:   %Call: %Call.type = struct_value () [template]
    65. 

  65. // CHECK:STDOUT: }
    66. 

  66. // CHECK:STDOUT:
    67. 

  67. // CHECK:STDOUT: imports {
    68. 

  68. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    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:     .A = %A.decl
    78. 

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

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

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

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

  82. // CHECK:STDOUT:   }
    83. 

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

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

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

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

  87. // CHECK:STDOUT:   %D.decl: type = class_decl @D [template = constants.%D] {} {}
    88. 

  88. // CHECK:STDOUT:   %Call.decl: %Call.type = fn_decl @Call [template = constants.%Call] {
    89. 

  89. // CHECK:STDOUT:     %a.patt: %ptr.6db = binding_pattern a
    90. 

  90. // CHECK:STDOUT:     %a.param_patt: %ptr.6db = value_param_pattern %a.patt, runtime_param0
    91. 

  91. // CHECK:STDOUT:     %b.patt: %ptr.e79 = binding_pattern b
    92. 

  92. // CHECK:STDOUT:     %b.param_patt: %ptr.e79 = value_param_pattern %b.patt, runtime_param1
    93. 

  93. // CHECK:STDOUT:     %c.patt: %ptr.019 = binding_pattern c
    94. 

  94. // CHECK:STDOUT:     %c.param_patt: %ptr.019 = value_param_pattern %c.patt, runtime_param2
    95. 

  95. // CHECK:STDOUT:     %d.patt: %ptr.19c = binding_pattern d
    96. 

  96. // CHECK:STDOUT:     %d.param_patt: %ptr.19c = value_param_pattern %d.patt, runtime_param3
    97. 

  97. // CHECK:STDOUT:   } {
    98. 

  98. // CHECK:STDOUT:     %a.param: %ptr.6db = value_param runtime_param0
    99. 

  99. // CHECK:STDOUT:     %.loc29_13: type = splice_block %ptr.loc29_13 [template = constants.%ptr.6db] {
    100. 

  100. // CHECK:STDOUT:       %A.ref: type = name_ref A, file.%A.decl [template = constants.%A]
    101. 

  101. // CHECK:STDOUT:       %ptr.loc29_13: type = ptr_type %A [template = constants.%ptr.6db]
    102. 

  102. // CHECK:STDOUT:     }
    103. 

  103. // CHECK:STDOUT:     %a: %ptr.6db = bind_name a, %a.param
    104. 

  104. // CHECK:STDOUT:     %b.param: %ptr.e79 = value_param runtime_param1
    105. 

  105. // CHECK:STDOUT:     %.loc29_20: type = splice_block %ptr.loc29_20 [template = constants.%ptr.e79] {
    106. 

  106. // CHECK:STDOUT:       %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
    107. 

  107. // CHECK:STDOUT:       %ptr.loc29_20: type = ptr_type %B [template = constants.%ptr.e79]
    108. 

  108. // CHECK:STDOUT:     }
    109. 

  109. // CHECK:STDOUT:     %b: %ptr.e79 = bind_name b, %b.param
    110. 

  110. // CHECK:STDOUT:     %c.param: %ptr.019 = value_param runtime_param2
    111. 

  111. // CHECK:STDOUT:     %.loc29_27: type = splice_block %ptr.loc29_27 [template = constants.%ptr.019] {
    112. 

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

  113. // CHECK:STDOUT:       %ptr.loc29_27: type = ptr_type %C [template = constants.%ptr.019]
    114. 

  114. // CHECK:STDOUT:     }
    115. 

  115. // CHECK:STDOUT:     %c: %ptr.019 = bind_name c, %c.param
    116. 

  116. // CHECK:STDOUT:     %d.param: %ptr.19c = value_param runtime_param3
    117. 

  117. // CHECK:STDOUT:     %.loc29_34: type = splice_block %ptr.loc29_34 [template = constants.%ptr.19c] {
    118. 

  118. // CHECK:STDOUT:       %D.ref: type = name_ref D, file.%D.decl [template = constants.%D]
    119. 

  119. // CHECK:STDOUT:       %ptr.loc29_34: type = ptr_type %D [template = constants.%ptr.19c]
    120. 

  120. // CHECK:STDOUT:     }
    121. 

  121. // CHECK:STDOUT:     %d: %ptr.19c = bind_name d, %d.param
    122. 

  122. // CHECK:STDOUT:   }
    123. 

  123. // CHECK:STDOUT: }
    124. 

  124. // CHECK:STDOUT:
    125. 

  125. // CHECK:STDOUT: class @A {
    126. 

  126. // CHECK:STDOUT:   %F.decl: %F.type.649 = fn_decl @F.1 [template = constants.%F.485] {
    127. 

  127. // CHECK:STDOUT:     %self.patt: %ptr.6db = binding_pattern self
    128. 

  128. // CHECK:STDOUT:     %self.param_patt: %ptr.6db = value_param_pattern %self.patt, runtime_param0
    129. 

  129. // CHECK:STDOUT:     %.loc12_8: auto = addr_pattern %self.param_patt
    130. 

  130. // CHECK:STDOUT:   } {
    131. 

  131. // CHECK:STDOUT:     %self.param: %ptr.6db = value_param runtime_param0
    132. 

  132. // CHECK:STDOUT:     %.loc12_23: type = splice_block %ptr [template = constants.%ptr.6db] {
    133. 

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

  134. // CHECK:STDOUT:       %ptr: type = ptr_type %A [template = constants.%ptr.6db]
    135. 

  135. // CHECK:STDOUT:     }
    136. 

  136. // CHECK:STDOUT:     %self: %ptr.6db = bind_name self, %self.param
    137. 

  137. // CHECK:STDOUT:   }
    138. 

  138. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type.357]
    139. 

  139. // CHECK:STDOUT:   complete_type_witness = %complete_type
    140. 

  140. // CHECK:STDOUT:
    141. 

  141. // CHECK:STDOUT: !members:
    142. 

  142. // CHECK:STDOUT:   .Self = constants.%A
    143. 

  143. // CHECK:STDOUT:   .F = %F.decl
    144. 

  144. // CHECK:STDOUT: }
    145. 

  145. // CHECK:STDOUT:
    146. 

  146. // CHECK:STDOUT: class @B {
    147. 

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

  148. // CHECK:STDOUT:   %.loc16: %B.elem = base_decl %A.ref, element0 [template]
    149. 

  149. // CHECK:STDOUT:   %F.decl: %F.type.8c6 = fn_decl @F.2 [template = constants.%F.92a] {
    150. 

  150. // CHECK:STDOUT:     %self.patt: %ptr.e79 = binding_pattern self
    151. 

  151. // CHECK:STDOUT:     %self.param_patt: %ptr.e79 = value_param_pattern %self.patt, runtime_param0
    152. 

  152. // CHECK:STDOUT:     %.loc17_8: auto = addr_pattern %self.param_patt
    153. 

  153. // CHECK:STDOUT:   } {
    154. 

  154. // CHECK:STDOUT:     %self.param: %ptr.e79 = value_param runtime_param0
    155. 

  155. // CHECK:STDOUT:     %.loc17_23: type = splice_block %ptr [template = constants.%ptr.e79] {
    156. 

  156. // CHECK:STDOUT:       %Self.ref: type = name_ref Self, constants.%B [template = constants.%B]
    157. 

  157. // CHECK:STDOUT:       %ptr: type = ptr_type %B [template = constants.%ptr.e79]
    158. 

  158. // CHECK:STDOUT:     }
    159. 

  159. // CHECK:STDOUT:     %self: %ptr.e79 = bind_name self, %self.param
    160. 

  160. // CHECK:STDOUT:   }
    161. 

  161. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base.953 [template = constants.%complete_type.020]
    162. 

  162. // CHECK:STDOUT:   complete_type_witness = %complete_type
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: !members:
    165. 

  165. // CHECK:STDOUT:   .Self = constants.%B
    166. 

  166. // CHECK:STDOUT:   .base = %.loc16
    167. 

  167. // CHECK:STDOUT:   .F = %F.decl
    168. 

  168. // CHECK:STDOUT:   extend %A.ref
    169. 

  169. // CHECK:STDOUT: }
    170. 

  170. // CHECK:STDOUT:
    171. 

  171. // CHECK:STDOUT: class @C {
    172. 

  172. // CHECK:STDOUT:   %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
    173. 

  173. // CHECK:STDOUT:   %.loc21: %C.elem = base_decl %B.ref, element0 [template]
    174. 

  174. // CHECK:STDOUT:   %F.decl: %F.type.c29 = fn_decl @F.3 [template = constants.%F.437] {
    175. 

  175. // CHECK:STDOUT:     %self.patt: %ptr.019 = binding_pattern self
    176. 

  176. // CHECK:STDOUT:     %self.param_patt: %ptr.019 = value_param_pattern %self.patt, runtime_param0
    177. 

  177. // CHECK:STDOUT:     %.loc22_8: auto = addr_pattern %self.param_patt
    178. 

  178. // CHECK:STDOUT:   } {
    179. 

  179. // CHECK:STDOUT:     %self.param: %ptr.019 = value_param runtime_param0
    180. 

  180. // CHECK:STDOUT:     %.loc22_23: type = splice_block %ptr [template = constants.%ptr.019] {
    181. 

  181. // CHECK:STDOUT:       %Self.ref: type = name_ref Self, constants.%C [template = constants.%C]
    182. 

  182. // CHECK:STDOUT:       %ptr: type = ptr_type %C [template = constants.%ptr.019]
    183. 

  183. // CHECK:STDOUT:     }
    184. 

  184. // CHECK:STDOUT:     %self: %ptr.019 = bind_name self, %self.param
    185. 

  185. // CHECK:STDOUT:   }
    186. 

  186. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base.0ff [template = constants.%complete_type.98e]
    187. 

  187. // CHECK:STDOUT:   complete_type_witness = %complete_type
    188. 

  188. // CHECK:STDOUT:
    189. 

  189. // CHECK:STDOUT: !members:
    190. 

  190. // CHECK:STDOUT:   .Self = constants.%C
    191. 

  191. // CHECK:STDOUT:   .base = %.loc21
    192. 

  192. // CHECK:STDOUT:   .F = %F.decl
    193. 

  193. // CHECK:STDOUT:   extend %B.ref
    194. 

  194. // CHECK:STDOUT: }
    195. 

  195. // CHECK:STDOUT:
    196. 

  196. // CHECK:STDOUT: class @D {
    197. 

  197. // CHECK:STDOUT:   %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
    198. 

  198. // CHECK:STDOUT:   %.loc26: %D.elem = base_decl %B.ref, element0 [template]
    199. 

  199. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base.0ff [template = constants.%complete_type.98e]
    200. 

  200. // CHECK:STDOUT:   complete_type_witness = %complete_type
    201. 

  201. // CHECK:STDOUT:
    202. 

  202. // CHECK:STDOUT: !members:
    203. 

  203. // CHECK:STDOUT:   .Self = constants.%D
    204. 

  204. // CHECK:STDOUT:   .base = %.loc26
    205. 

  205. // CHECK:STDOUT:   extend %B.ref
    206. 

  206. // CHECK:STDOUT: }
    207. 

  207. // CHECK:STDOUT:
    208. 

  208. // CHECK:STDOUT: fn @F.1[addr %self.param_patt: %ptr.6db]();
    209. 

  209. // CHECK:STDOUT:
    210. 

  210. // CHECK:STDOUT: fn @F.2[addr %self.param_patt: %ptr.e79]();
    211. 

  211. // CHECK:STDOUT:
    212. 

  212. // CHECK:STDOUT: fn @F.3[addr %self.param_patt: %ptr.019]();
    213. 

  213. // CHECK:STDOUT:
    214. 

  214. // CHECK:STDOUT: fn @Call(%a.param_patt: %ptr.6db, %b.param_patt: %ptr.e79, %c.param_patt: %ptr.019, %d.param_patt: %ptr.19c) {
    215. 

  215. // CHECK:STDOUT: !entry:
    216. 

  216. // CHECK:STDOUT:   %a.ref: %ptr.6db = name_ref a, %a
    217. 

  217. // CHECK:STDOUT:   %.loc30: ref %A = deref %a.ref
    218. 

  218. // CHECK:STDOUT:   %F.ref.loc30: %F.type.649 = name_ref F, @A.%F.decl [template = constants.%F.485]
    219. 

  219. // CHECK:STDOUT:   %F.bound.loc30: <bound method> = bound_method %.loc30, %F.ref.loc30
    220. 

  220. // CHECK:STDOUT:   %addr.loc30: %ptr.6db = addr_of %.loc30
    221. 

  221. // CHECK:STDOUT:   %F.call.loc30: init %empty_tuple.type = call %F.bound.loc30(%addr.loc30)
    222. 

  222. // CHECK:STDOUT:   %b.ref: %ptr.e79 = name_ref b, %b
    223. 

  223. // CHECK:STDOUT:   %.loc31: ref %B = deref %b.ref
    224. 

  224. // CHECK:STDOUT:   %F.ref.loc31: %F.type.8c6 = name_ref F, @B.%F.decl [template = constants.%F.92a]
    225. 

  225. // CHECK:STDOUT:   %F.bound.loc31: <bound method> = bound_method %.loc31, %F.ref.loc31
    226. 

  226. // CHECK:STDOUT:   %addr.loc31: %ptr.e79 = addr_of %.loc31
    227. 

  227. // CHECK:STDOUT:   %F.call.loc31: init %empty_tuple.type = call %F.bound.loc31(%addr.loc31)
    228. 

  228. // CHECK:STDOUT:   %c.ref: %ptr.019 = name_ref c, %c
    229. 

  229. // CHECK:STDOUT:   %.loc32: ref %C = deref %c.ref
    230. 

  230. // CHECK:STDOUT:   %F.ref.loc32: %F.type.c29 = name_ref F, @C.%F.decl [template = constants.%F.437]
    231. 

  231. // CHECK:STDOUT:   %F.bound.loc32: <bound method> = bound_method %.loc32, %F.ref.loc32
    232. 

  232. // CHECK:STDOUT:   %addr.loc32: %ptr.019 = addr_of %.loc32
    233. 

  233. // CHECK:STDOUT:   %F.call.loc32: init %empty_tuple.type = call %F.bound.loc32(%addr.loc32)
    234. 

  234. // CHECK:STDOUT:   %d.ref: %ptr.19c = name_ref d, %d
    235. 

  235. // CHECK:STDOUT:   %.loc33_4.1: ref %D = deref %d.ref
    236. 

  236. // CHECK:STDOUT:   %F.ref.loc33: %F.type.8c6 = name_ref F, @B.%F.decl [template = constants.%F.92a]
    237. 

  237. // CHECK:STDOUT:   %F.bound.loc33: <bound method> = bound_method %.loc33_4.1, %F.ref.loc33
    238. 

  238. // CHECK:STDOUT:   %addr.loc33_4.1: %ptr.19c = addr_of %.loc33_4.1
    239. 

  239. // CHECK:STDOUT:   %.loc33_4.2: ref %D = deref %addr.loc33_4.1
    240. 

  240. // CHECK:STDOUT:   %.loc33_4.3: ref %B = class_element_access %.loc33_4.2, element0
    241. 

  241. // CHECK:STDOUT:   %addr.loc33_4.2: %ptr.e79 = addr_of %.loc33_4.3
    242. 

  242. // CHECK:STDOUT:   %.loc33_4.4: %ptr.e79 = converted %addr.loc33_4.1, %addr.loc33_4.2
    243. 

  243. // CHECK:STDOUT:   %F.call.loc33: init %empty_tuple.type = call %F.bound.loc33(%.loc33_4.4)
    244. 

  244. // CHECK:STDOUT:   return
    245. 

  245. // CHECK:STDOUT: }
    246. 

  246. // CHECK:STDOUT:
    247.