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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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generic
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field.carbon

field.carbon 13 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/generic/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/generic/field.carbon
    10. 

  10. 

  11. class Class(T:! type) {
    12. 

  12.   var x: T;
    13. 

  13. }
    14. 

  14. 

  15. fn F(c: Class(i32)) -> i32 {
    16. 

  16.   return c.x;
    17. 

  17. }
    18. 

  18. 

  19. fn G(T:! type, c: Class(T)) -> T {
    20. 

  20.   return c.x;
    21. 

  21. }
    22. 

  22. 

  23. fn H(U:! type, c: Class(U)) -> U {
    24. 

  24.   return c.x;
    25. 

  25. }
    26. 

  26. 

  27. // CHECK:STDOUT: --- field.carbon
    28. 

  28. // CHECK:STDOUT:
    29. 

  29. // CHECK:STDOUT: constants {
    30. 

  30. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    31. 

  31. // CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
    32. 

  32. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    33. 

  33. // CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
    34. 

  34. // CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
    35. 

  35. // CHECK:STDOUT:   %.2: type = unbound_element_type %Class.2, %T [symbolic]
    36. 

  36. // CHECK:STDOUT:   %.3: type = struct_type {.x: %T} [symbolic]
    37. 

  37. // CHECK:STDOUT:   %.4: <witness> = complete_type_witness %.3 [symbolic]
    38. 

  38. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    39. 

  39. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    40. 

  40. // CHECK:STDOUT:   %Class.3: type = class_type @Class, @Class(i32) [template]
    41. 

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

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

  43. // CHECK:STDOUT:   %.5: type = unbound_element_type %Class.3, i32 [template]
    44. 

  44. // CHECK:STDOUT:   %.6: type = struct_type {.x: i32} [template]
    45. 

  45. // CHECK:STDOUT:   %.7: <witness> = complete_type_witness %.6 [template]
    46. 

  46. // CHECK:STDOUT:   %.8: type = ptr_type %.6 [template]
    47. 

  47. // CHECK:STDOUT:   %G.type: type = fn_type @G [template]
    48. 

  48. // CHECK:STDOUT:   %G: %G.type = struct_value () [template]
    49. 

  49. // CHECK:STDOUT:   %.9: type = ptr_type %.3 [symbolic]
    50. 

  50. // CHECK:STDOUT:   %U: type = bind_symbolic_name U 0 [symbolic]
    51. 

  51. // CHECK:STDOUT:   %Class.4: type = class_type @Class, @Class(%U) [symbolic]
    52. 

  52. // CHECK:STDOUT:   %H.type: type = fn_type @H [template]
    53. 

  53. // CHECK:STDOUT:   %H: %H.type = struct_value () [template]
    54. 

  54. // CHECK:STDOUT:   %.10: type = unbound_element_type %Class.4, %U [symbolic]
    55. 

  55. // CHECK:STDOUT:   %.11: type = struct_type {.x: %U} [symbolic]
    56. 

  56. // CHECK:STDOUT:   %.12: <witness> = complete_type_witness %.11 [symbolic]
    57. 

  57. // CHECK:STDOUT:   %.13: type = ptr_type %.11 [symbolic]
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: imports {
    61. 

  61. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    62. 

  62. // CHECK:STDOUT:     .Int32 = %import_ref
    63. 

  63. // CHECK:STDOUT:     import Core//prelude
    64. 

  64. // CHECK:STDOUT:     import Core//prelude/operators
    65. 

  65. // CHECK:STDOUT:     import Core//prelude/types
    66. 

  66. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    67. 

  67. // CHECK:STDOUT:     import Core//prelude/operators/as
    68. 

  68. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    69. 

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

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

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
    73. 

  73. // CHECK:STDOUT: }
    74. 

  74. // CHECK:STDOUT:
    75. 

  75. // CHECK:STDOUT: file {
    76. 

  76. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    77. 

  77. // CHECK:STDOUT:     .Core = imports.%Core
    78. 

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

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

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

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

  82. // CHECK:STDOUT:   }
    83. 

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

  84. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
    85. 

  85. // CHECK:STDOUT:     %T.patt: type = symbolic_binding_pattern T 0
    86. 

  86. // CHECK:STDOUT:   } {
    87. 

  87. // CHECK:STDOUT:     %T.param: type = param T, runtime_param<invalid>
    88. 

  88. // CHECK:STDOUT:     %T.loc11: type = bind_symbolic_name T 0, %T.param [symbolic = %T.1 (constants.%T)]
    89. 

  89. // CHECK:STDOUT:   }
    90. 

  90. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
    91. 

  91. // CHECK:STDOUT:     %c.patt: %Class.3 = binding_pattern c
    92. 

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

  93. // CHECK:STDOUT:     %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.1]
    94. 

  94. // CHECK:STDOUT:     %int.make_type_32.loc15_15: init type = call constants.%Int32() [template = i32]
    95. 

  95. // CHECK:STDOUT:     %.loc15_14.1: type = value_of_initializer %int.make_type_32.loc15_15 [template = i32]
    96. 

  96. // CHECK:STDOUT:     %.loc15_14.2: type = converted %int.make_type_32.loc15_15, %.loc15_14.1 [template = i32]
    97. 

  97. // CHECK:STDOUT:     %Class: type = class_type @Class, @Class(i32) [template = constants.%Class.3]
    98. 

  98. // CHECK:STDOUT:     %c.param: %Class.3 = param c, runtime_param0
    99. 

  99. // CHECK:STDOUT:     %c: %Class.3 = bind_name c, %c.param
    100. 

  100. // CHECK:STDOUT:     %int.make_type_32.loc15_24: init type = call constants.%Int32() [template = i32]
    101. 

  101. // CHECK:STDOUT:     %.loc15_24.1: type = value_of_initializer %int.make_type_32.loc15_24 [template = i32]
    102. 

  102. // CHECK:STDOUT:     %.loc15_24.2: type = converted %int.make_type_32.loc15_24, %.loc15_24.1 [template = i32]
    103. 

  103. // CHECK:STDOUT:     %return: ref i32 = var <return slot>
    104. 

  104. // CHECK:STDOUT:   }
    105. 

  105. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
    106. 

  106. // CHECK:STDOUT:     %T.patt: type = symbolic_binding_pattern T 0
    107. 

  107. // CHECK:STDOUT:     %c.patt: @G.%Class.1 (%Class.2) = binding_pattern c
    108. 

  108. // CHECK:STDOUT:   } {
    109. 

  109. // CHECK:STDOUT:     %T.param: type = param T, runtime_param<invalid>
    110. 

  110. // CHECK:STDOUT:     %T.loc19: type = bind_symbolic_name T 0, %T.param [symbolic = %T.1 (constants.%T)]
    111. 

  111. // CHECK:STDOUT:     %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.1]
    112. 

  112. // CHECK:STDOUT:     %T.ref.loc19_25: type = name_ref T, %T.loc19 [symbolic = %T.1 (constants.%T)]
    113. 

  113. // CHECK:STDOUT:     %Class.loc19: type = class_type @Class, @Class(constants.%T) [symbolic = %Class.1 (constants.%Class.2)]
    114. 

  114. // CHECK:STDOUT:     %c.param: @G.%Class.1 (%Class.2) = param c, runtime_param0
    115. 

  115. // CHECK:STDOUT:     %c: @G.%Class.1 (%Class.2) = bind_name c, %c.param
    116. 

  116. // CHECK:STDOUT:     %T.ref.loc19_32: type = name_ref T, %T.loc19 [symbolic = %T.1 (constants.%T)]
    117. 

  117. // CHECK:STDOUT:     %return: ref @G.%T.1 (%T) = var <return slot>
    118. 

  118. // CHECK:STDOUT:   }
    119. 

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

  120. // CHECK:STDOUT:     %U.patt: type = symbolic_binding_pattern U 0
    121. 

  121. // CHECK:STDOUT:     %c.patt: @H.%Class.1 (%Class.4) = binding_pattern c
    122. 

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

  123. // CHECK:STDOUT:     %U.param: type = param U, runtime_param<invalid>
    124. 

  124. // CHECK:STDOUT:     %U.loc23: type = bind_symbolic_name U 0, %U.param [symbolic = %U.1 (constants.%U)]
    125. 

  125. // CHECK:STDOUT:     %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.1]
    126. 

  126. // CHECK:STDOUT:     %U.ref.loc23_25: type = name_ref U, %U.loc23 [symbolic = %U.1 (constants.%U)]
    127. 

  127. // CHECK:STDOUT:     %Class.loc23: type = class_type @Class, @Class(constants.%U) [symbolic = %Class.1 (constants.%Class.4)]
    128. 

  128. // CHECK:STDOUT:     %c.param: @H.%Class.1 (%Class.4) = param c, runtime_param0
    129. 

  129. // CHECK:STDOUT:     %c: @H.%Class.1 (%Class.4) = bind_name c, %c.param
    130. 

  130. // CHECK:STDOUT:     %U.ref.loc23_32: type = name_ref U, %U.loc23 [symbolic = %U.1 (constants.%U)]
    131. 

  131. // CHECK:STDOUT:     %return: ref @H.%U.1 (%U) = var <return slot>
    132. 

  132. // CHECK:STDOUT:   }
    133. 

  133. // CHECK:STDOUT: }
    134. 

  134. // CHECK:STDOUT:
    135. 

  135. // CHECK:STDOUT: generic class @Class(%T.loc11: type) {
    136. 

  136. // CHECK:STDOUT:   %T.1: type = bind_symbolic_name T 0 [symbolic = %T.1 (constants.%T)]
    137. 

  137. // CHECK:STDOUT:
    138. 

  138. // CHECK:STDOUT: !definition:
    139. 

  139. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T.1) [symbolic = %Class (constants.%Class.2)]
    140. 

  140. // CHECK:STDOUT:   %.1: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T.1 (%T) [symbolic = %.1 (constants.%.2)]
    141. 

  141. // CHECK:STDOUT:   %.2: type = struct_type {.x: @Class.%T.1 (%T)} [symbolic = %.2 (constants.%.3)]
    142. 

  142. // CHECK:STDOUT:   %.3: <witness> = complete_type_witness @Class.%.2 (%.3) [symbolic = %.3 (constants.%.4)]
    143. 

  143. // CHECK:STDOUT:
    144. 

  144. // CHECK:STDOUT:   class {
    145. 

  145. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc11 [symbolic = %T.1 (constants.%T)]
    146. 

  146. // CHECK:STDOUT:     %.loc12: @Class.%.1 (%.2) = field_decl x, element0 [template]
    147. 

  147. // CHECK:STDOUT:     %.loc13: <witness> = complete_type_witness %.3 [symbolic = %.3 (constants.%.4)]
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT:   !members:
    150. 

  150. // CHECK:STDOUT:     .Self = constants.%Class.2
    151. 

  151. // CHECK:STDOUT:     .x = %.loc12
    152. 

  152. // CHECK:STDOUT:   }
    153. 

  153. // CHECK:STDOUT: }
    154. 

  154. // CHECK:STDOUT:
    155. 

  155. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    156. 

  156. // CHECK:STDOUT:
    157. 

  157. // CHECK:STDOUT: fn @F(%c: %Class.3) -> i32 {
    158. 

  158. // CHECK:STDOUT: !entry:
    159. 

  159. // CHECK:STDOUT:   %c.ref: %Class.3 = name_ref c, %c
    160. 

  160. // CHECK:STDOUT:   %x.ref: %.5 = name_ref x, @Class.%.loc12 [template = @Class.%.loc12]
    161. 

  161. // CHECK:STDOUT:   %.loc16_11.1: ref i32 = class_element_access %c.ref, element0
    162. 

  162. // CHECK:STDOUT:   %.loc16_11.2: i32 = bind_value %.loc16_11.1
    163. 

  163. // CHECK:STDOUT:   return %.loc16_11.2
    164. 

  164. // CHECK:STDOUT: }
    165. 

  165. // CHECK:STDOUT:
    166. 

  166. // CHECK:STDOUT: generic fn @G(%T.loc19: type) {
    167. 

  167. // CHECK:STDOUT:   %T.1: type = bind_symbolic_name T 0 [symbolic = %T.1 (constants.%T)]
    168. 

  168. // CHECK:STDOUT:   %Class.1: type = class_type @Class, @Class(%T.1) [symbolic = %Class.1 (constants.%Class.2)]
    169. 

  169. // CHECK:STDOUT:
    170. 

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

  171. // CHECK:STDOUT:   %.1: type = unbound_element_type @G.%Class.1 (%Class.2), @G.%T.1 (%T) [symbolic = %.1 (constants.%.2)]
    172. 

  172. // CHECK:STDOUT:
    173. 

  173. // CHECK:STDOUT:   fn(%T.loc19: type, %c: @G.%Class.1 (%Class.2)) -> @G.%T.1 (%T) {
    174. 

  174. // CHECK:STDOUT:   !entry:
    175. 

  175. // CHECK:STDOUT:     %c.ref: @G.%Class.1 (%Class.2) = name_ref c, %c
    176. 

  176. // CHECK:STDOUT:     %x.ref: @G.%.1 (%.2) = name_ref x, @Class.%.loc12 [template = @Class.%.loc12]
    177. 

  177. // CHECK:STDOUT:     %.loc20_11.1: ref @G.%T.1 (%T) = class_element_access %c.ref, element0
    178. 

  178. // CHECK:STDOUT:     %.loc20_11.2: @G.%T.1 (%T) = bind_value %.loc20_11.1
    179. 

  179. // CHECK:STDOUT:     return %.loc20_11.2
    180. 

  180. // CHECK:STDOUT:   }
    181. 

  181. // CHECK:STDOUT: }
    182. 

  182. // CHECK:STDOUT:
    183. 

  183. // CHECK:STDOUT: generic fn @H(%U.loc23: type) {
    184. 

  184. // CHECK:STDOUT:   %U.1: type = bind_symbolic_name U 0 [symbolic = %U.1 (constants.%U)]
    185. 

  185. // CHECK:STDOUT:   %Class.1: type = class_type @Class, @Class(%U.1) [symbolic = %Class.1 (constants.%Class.4)]
    186. 

  186. // CHECK:STDOUT:
    187. 

  187. // CHECK:STDOUT: !definition:
    188. 

  188. // CHECK:STDOUT:   %.1: type = unbound_element_type @H.%Class.1 (%Class.4), @H.%U.1 (%U) [symbolic = %.1 (constants.%.10)]
    189. 

  189. // CHECK:STDOUT:
    190. 

  190. // CHECK:STDOUT:   fn(%U.loc23: type, %c: @H.%Class.1 (%Class.4)) -> @H.%U.1 (%U) {
    191. 

  191. // CHECK:STDOUT:   !entry:
    192. 

  192. // CHECK:STDOUT:     %c.ref: @H.%Class.1 (%Class.4) = name_ref c, %c
    193. 

  193. // CHECK:STDOUT:     %x.ref: @H.%.1 (%.10) = name_ref x, @Class.%.loc12 [template = @Class.%.loc12]
    194. 

  194. // CHECK:STDOUT:     %.loc24_11.1: ref @H.%U.1 (%U) = class_element_access %c.ref, element0
    195. 

  195. // CHECK:STDOUT:     %.loc24_11.2: @H.%U.1 (%U) = bind_value %.loc24_11.1
    196. 

  196. // CHECK:STDOUT:     return %.loc24_11.2
    197. 

  197. // CHECK:STDOUT:   }
    198. 

  198. // CHECK:STDOUT: }
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: specific @Class(constants.%T) {
    201. 

  201. // CHECK:STDOUT:   %T.1 => constants.%T
    202. 

  202. // CHECK:STDOUT:
    203. 

  203. // CHECK:STDOUT: !definition:
    204. 

  204. // CHECK:STDOUT:   %Class => constants.%Class.2
    205. 

  205. // CHECK:STDOUT:   %.1 => constants.%.2
    206. 

  206. // CHECK:STDOUT:   %.2 => constants.%.3
    207. 

  207. // CHECK:STDOUT:   %.3 => constants.%.4
    208. 

  208. // CHECK:STDOUT: }
    209. 

  209. // CHECK:STDOUT:
    210. 

  210. // CHECK:STDOUT: specific @Class(@Class.%T.1) {
    211. 

  211. // CHECK:STDOUT:   %T.1 => constants.%T
    212. 

  212. // CHECK:STDOUT: }
    213. 

  213. // CHECK:STDOUT:
    214. 

  214. // CHECK:STDOUT: specific @Class(i32) {
    215. 

  215. // CHECK:STDOUT:   %T.1 => i32
    216. 

  216. // CHECK:STDOUT:
    217. 

  217. // CHECK:STDOUT: !definition:
    218. 

  218. // CHECK:STDOUT:   %Class => constants.%Class.3
    219. 

  219. // CHECK:STDOUT:   %.1 => constants.%.5
    220. 

  220. // CHECK:STDOUT:   %.2 => constants.%.6
    221. 

  221. // CHECK:STDOUT:   %.3 => constants.%.7
    222. 

  222. // CHECK:STDOUT: }
    223. 

  223. // CHECK:STDOUT:
    224. 

  224. // CHECK:STDOUT: specific @Class(@G.%T.1) {
    225. 

  225. // CHECK:STDOUT:   %T.1 => constants.%T
    226. 

  226. // CHECK:STDOUT: }
    227. 

  227. // CHECK:STDOUT:
    228. 

  228. // CHECK:STDOUT: specific @G(constants.%T) {
    229. 

  229. // CHECK:STDOUT:   %T.1 => constants.%T
    230. 

  230. // CHECK:STDOUT:   %Class.1 => constants.%Class.2
    231. 

  231. // CHECK:STDOUT: }
    232. 

  232. // CHECK:STDOUT:
    233. 

  233. // CHECK:STDOUT: specific @Class(constants.%U) {
    234. 

  234. // CHECK:STDOUT:   %T.1 => constants.%U
    235. 

  235. // CHECK:STDOUT:
    236. 

  236. // CHECK:STDOUT: !definition:
    237. 

  237. // CHECK:STDOUT:   %Class => constants.%Class.4
    238. 

  238. // CHECK:STDOUT:   %.1 => constants.%.10
    239. 

  239. // CHECK:STDOUT:   %.2 => constants.%.11
    240. 

  240. // CHECK:STDOUT:   %.3 => constants.%.12
    241. 

  241. // CHECK:STDOUT: }
    242. 

  242. // CHECK:STDOUT:
    243. 

  243. // CHECK:STDOUT: specific @Class(@H.%U.1) {
    244. 

  244. // CHECK:STDOUT:   %T.1 => constants.%U
    245. 

  245. // CHECK:STDOUT: }
    246. 

  246. // CHECK:STDOUT:
    247. 

  247. // CHECK:STDOUT: specific @H(constants.%U) {
    248. 

  248. // CHECK:STDOUT:   %U.1 => constants.%U
    249. 

  249. // CHECK:STDOUT:   %Class.1 => constants.%Class.4
    250. 

  250. // CHECK:STDOUT: }
    251. 

  251. // CHECK:STDOUT:
    252.