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carbon-lang
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carbon-lang
/
toolchain
/
check
/
testdata
/
class
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generic
/
basic.carbon

basic.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/basic.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/basic.carbon
    10. 

  10. 

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

  12.   fn GetAddr[addr self: Self*]() -> T* {
    13. 

  13.     return &self->k;
    14. 

  14.   }
    15. 

  15. 

  16.   // TODO: Should this work? T is not necessarily copyable.
    17. 

  17.   fn GetValue[self: Self]() -> T {
    18. 

  18.     return self.k;
    19. 

  19.   }
    20. 

  20. 

  21.   var k: T;
    22. 

  22. }
    23. 

  23. 

  24. class Declaration(T:! type);
    25. 

  25. 

  26. // CHECK:STDOUT: --- basic.carbon
    27. 

  27. // CHECK:STDOUT:
    28. 

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

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

  30. // CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
    31. 

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

  32. // CHECK:STDOUT:   %empty_tuple.type: 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:   %.1: type = ptr_type %Class.2 [symbolic]
    36. 

  36. // CHECK:STDOUT:   %.2: type = ptr_type %T [symbolic]
    37. 

  37. // CHECK:STDOUT:   %GetAddr.type: type = fn_type @GetAddr, @Class(%T) [symbolic]
    38. 

  38. // CHECK:STDOUT:   %GetAddr: %GetAddr.type = struct_value () [symbolic]
    39. 

  39. // CHECK:STDOUT:   %GetValue.type: type = fn_type @GetValue, @Class(%T) [symbolic]
    40. 

  40. // CHECK:STDOUT:   %GetValue: %GetValue.type = struct_value () [symbolic]
    41. 

  41. // CHECK:STDOUT:   %.3: type = unbound_element_type %Class.2, %T [symbolic]
    42. 

  42. // CHECK:STDOUT:   %.4: type = struct_type {.k: %T} [symbolic]
    43. 

  43. // CHECK:STDOUT:   %.5: <witness> = complete_type_witness %.4 [symbolic]
    44. 

  44. // CHECK:STDOUT:   %.6: type = ptr_type %.4 [symbolic]
    45. 

  45. // CHECK:STDOUT:   %Declaration.type: type = generic_class_type @Declaration [template]
    46. 

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

  47. // CHECK:STDOUT:   %Declaration.2: type = class_type @Declaration, @Declaration(%T) [symbolic]
    48. 

  48. // CHECK:STDOUT: }
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: imports {
    51. 

  51. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    52. 

  52. // CHECK:STDOUT:     import Core//prelude
    53. 

  53. // CHECK:STDOUT:     import Core//prelude/...
    54. 

  54. // CHECK:STDOUT:   }
    55. 

  55. // CHECK:STDOUT: }
    56. 

  56. // CHECK:STDOUT:
    57. 

  57. // CHECK:STDOUT: file {
    58. 

  58. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    59. 

  59. // CHECK:STDOUT:     .Core = imports.%Core
    60. 

  60. // CHECK:STDOUT:     .Class = %Class.decl
    61. 

  61. // CHECK:STDOUT:     .Declaration = %Declaration.decl
    62. 

  62. // CHECK:STDOUT:   }
    63. 

  63. // CHECK:STDOUT:   %Core.import = import Core
    64. 

  64. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
    65. 

  65. // CHECK:STDOUT:     %T.patt.loc11_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
    66. 

  66. // CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc11_13.1, runtime_param<invalid> [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
    67. 

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

  68. // CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
    69. 

  69. // CHECK:STDOUT:     %T.loc11_13.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc11_13.2 (constants.%T)]
    70. 

  70. // CHECK:STDOUT:   }
    71. 

  71. // CHECK:STDOUT:   %Declaration.decl: %Declaration.type = class_decl @Declaration [template = constants.%Declaration.1] {
    72. 

  72. // CHECK:STDOUT:     %T.patt.loc24_19.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc24_19.2 (constants.%T.patt)]
    73. 

  73. // CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc24_19.1, runtime_param<invalid> [symbolic = %T.patt.loc24_19.2 (constants.%T.patt)]
    74. 

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

  75. // CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
    76. 

  76. // CHECK:STDOUT:     %T.loc24_19.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc24_19.2 (constants.%T)]
    77. 

  77. // CHECK:STDOUT:   }
    78. 

  78. // CHECK:STDOUT: }
    79. 

  79. // CHECK:STDOUT:
    80. 

  80. // CHECK:STDOUT: generic class @Class(%T.loc11_13.1: type) {
    81. 

  81. // CHECK:STDOUT:   %T.loc11_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_13.2 (constants.%T)]
    82. 

  82. // CHECK:STDOUT:   %T.patt.loc11_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: !definition:
    85. 

  85. // CHECK:STDOUT:   %GetAddr.type: type = fn_type @GetAddr, @Class(%T.loc11_13.2) [symbolic = %GetAddr.type (constants.%GetAddr.type)]
    86. 

  86. // CHECK:STDOUT:   %GetAddr: @Class.%GetAddr.type (%GetAddr.type) = struct_value () [symbolic = %GetAddr (constants.%GetAddr)]
    87. 

  87. // CHECK:STDOUT:   %GetValue.type: type = fn_type @GetValue, @Class(%T.loc11_13.2) [symbolic = %GetValue.type (constants.%GetValue.type)]
    88. 

  88. // CHECK:STDOUT:   %GetValue: @Class.%GetValue.type (%GetValue.type) = struct_value () [symbolic = %GetValue (constants.%GetValue)]
    89. 

  89. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T.loc11_13.2) [symbolic = %Class (constants.%Class.2)]
    90. 

  90. // CHECK:STDOUT:   %.loc21_8.2: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T.loc11_13.2 (%T) [symbolic = %.loc21_8.2 (constants.%.3)]
    91. 

  91. // CHECK:STDOUT:   %.loc22_1.2: type = struct_type {.k: @Class.%T.loc11_13.2 (%T)} [symbolic = %.loc22_1.2 (constants.%.4)]
    92. 

  92. // CHECK:STDOUT:   %.loc22_1.3: <witness> = complete_type_witness @Class.%.loc22_1.2 (%.4) [symbolic = %.loc22_1.3 (constants.%.5)]
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT:   class {
    95. 

  95. // CHECK:STDOUT:     %GetAddr.decl: @Class.%GetAddr.type (%GetAddr.type) = fn_decl @GetAddr [symbolic = @Class.%GetAddr (constants.%GetAddr)] {
    96. 

  96. // CHECK:STDOUT:       %self.patt: @GetAddr.%.loc12_29.1 (%.1) = binding_pattern self
    97. 

  97. // CHECK:STDOUT:       %self.param_patt: @GetAddr.%.loc12_29.1 (%.1) = value_param_pattern %self.patt, runtime_param0
    98. 

  98. // CHECK:STDOUT:       %.loc12_14: auto = addr_pattern %self.param_patt
    99. 

  99. // CHECK:STDOUT:       %return.patt: @GetAddr.%.loc12_38.1 (%.2) = return_slot_pattern
    100. 

  100. // CHECK:STDOUT:       %return.param_patt: @GetAddr.%.loc12_38.1 (%.2) = out_param_pattern %return.patt, runtime_param1
    101. 

  101. // CHECK:STDOUT:     } {
    102. 

  102. // CHECK:STDOUT:       %.loc12_25: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = %Class (constants.%Class.2)]
    103. 

  103. // CHECK:STDOUT:       %Self.ref: type = name_ref Self, %.loc12_25 [symbolic = %Class (constants.%Class.2)]
    104. 

  104. // CHECK:STDOUT:       %.loc12_29.2: type = ptr_type %Class.2 [symbolic = %.loc12_29.1 (constants.%.1)]
    105. 

  105. // CHECK:STDOUT:       %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
    106. 

  106. // CHECK:STDOUT:       %.loc12_38.2: type = ptr_type %T [symbolic = %.loc12_38.1 (constants.%.2)]
    107. 

  107. // CHECK:STDOUT:       %self.param: @GetAddr.%.loc12_29.1 (%.1) = value_param runtime_param0
    108. 

  108. // CHECK:STDOUT:       %self: @GetAddr.%.loc12_29.1 (%.1) = bind_name self, %self.param
    109. 

  109. // CHECK:STDOUT:       %return.param: ref @GetAddr.%.loc12_38.1 (%.2) = out_param runtime_param1
    110. 

  110. // CHECK:STDOUT:       %return: ref @GetAddr.%.loc12_38.1 (%.2) = return_slot %return.param
    111. 

  111. // CHECK:STDOUT:     }
    112. 

  112. // CHECK:STDOUT:     %GetValue.decl: @Class.%GetValue.type (%GetValue.type) = fn_decl @GetValue [symbolic = @Class.%GetValue (constants.%GetValue)] {
    113. 

  113. // CHECK:STDOUT:       %self.patt: @GetValue.%Class (%Class.2) = binding_pattern self
    114. 

  114. // CHECK:STDOUT:       %self.param_patt: @GetValue.%Class (%Class.2) = value_param_pattern %self.patt, runtime_param0
    115. 

  115. // CHECK:STDOUT:       %return.patt: @GetValue.%T (%T) = return_slot_pattern
    116. 

  116. // CHECK:STDOUT:       %return.param_patt: @GetValue.%T (%T) = out_param_pattern %return.patt, runtime_param1
    117. 

  117. // CHECK:STDOUT:     } {
    118. 

  118. // CHECK:STDOUT:       %.loc17: type = specific_constant constants.%Class.2, @Class(constants.%T) [symbolic = %Class (constants.%Class.2)]
    119. 

  119. // CHECK:STDOUT:       %Self.ref: type = name_ref Self, %.loc17 [symbolic = %Class (constants.%Class.2)]
    120. 

  120. // CHECK:STDOUT:       %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
    121. 

  121. // CHECK:STDOUT:       %self.param: @GetValue.%Class (%Class.2) = value_param runtime_param0
    122. 

  122. // CHECK:STDOUT:       %self: @GetValue.%Class (%Class.2) = bind_name self, %self.param
    123. 

  123. // CHECK:STDOUT:       %return.param: ref @GetValue.%T (%T) = out_param runtime_param1
    124. 

  124. // CHECK:STDOUT:       %return: ref @GetValue.%T (%T) = return_slot %return.param
    125. 

  125. // CHECK:STDOUT:     }
    126. 

  126. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc11_13.1 [symbolic = %T.loc11_13.2 (constants.%T)]
    127. 

  127. // CHECK:STDOUT:     %.loc21_8.1: @Class.%.loc21_8.2 (%.3) = field_decl k, element0 [template]
    128. 

  128. // CHECK:STDOUT:     %.loc22_1.1: <witness> = complete_type_witness %.4 [symbolic = %.loc22_1.3 (constants.%.5)]
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT:   !members:
    131. 

  131. // CHECK:STDOUT:     .Self = constants.%Class.2
    132. 

  132. // CHECK:STDOUT:     .GetAddr = %GetAddr.decl
    133. 

  133. // CHECK:STDOUT:     .GetValue = %GetValue.decl
    134. 

  134. // CHECK:STDOUT:     .k = %.loc21_8.1
    135. 

  135. // CHECK:STDOUT:   }
    136. 

  136. // CHECK:STDOUT: }
    137. 

  137. // CHECK:STDOUT:
    138. 

  138. // CHECK:STDOUT: generic class @Declaration(%T.loc24_19.1: type) {
    139. 

  139. // CHECK:STDOUT:   %T.loc24_19.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc24_19.2 (constants.%T)]
    140. 

  140. // CHECK:STDOUT:   %T.patt.loc24_19.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc24_19.2 (constants.%T.patt)]
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT:   class;
    143. 

  143. // CHECK:STDOUT: }
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: generic fn @GetAddr(@Class.%T.loc11_13.1: type) {
    146. 

  146. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
    147. 

  147. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
    148. 

  148. // CHECK:STDOUT:   %.loc12_29.1: type = ptr_type @GetAddr.%Class (%Class.2) [symbolic = %.loc12_29.1 (constants.%.1)]
    149. 

  149. // CHECK:STDOUT:   %.loc12_38.1: type = ptr_type @GetAddr.%T (%T) [symbolic = %.loc12_38.1 (constants.%.2)]
    150. 

  150. // CHECK:STDOUT:
    151. 

  151. // CHECK:STDOUT: !definition:
    152. 

  152. // CHECK:STDOUT:   %.loc13_17.3: type = unbound_element_type @GetAddr.%Class (%Class.2), @GetAddr.%T (%T) [symbolic = %.loc13_17.3 (constants.%.3)]
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT:   fn[addr %self.param_patt: @GetAddr.%.loc12_29.1 (%.1)]() -> @GetAddr.%.loc12_38.1 (%.2) {
    155. 

  155. // CHECK:STDOUT:   !entry:
    156. 

  156. // CHECK:STDOUT:     %self.ref: @GetAddr.%.loc12_29.1 (%.1) = name_ref self, %self
    157. 

  157. // CHECK:STDOUT:     %.loc13_17.1: ref @GetAddr.%Class (%Class.2) = deref %self.ref
    158. 

  158. // CHECK:STDOUT:     %k.ref: @GetAddr.%.loc13_17.3 (%.3) = name_ref k, @Class.%.loc21_8.1 [template = @Class.%.loc21_8.1]
    159. 

  159. // CHECK:STDOUT:     %.loc13_17.2: ref @GetAddr.%T (%T) = class_element_access %.loc13_17.1, element0
    160. 

  160. // CHECK:STDOUT:     %.loc13_12: @GetAddr.%.loc12_38.1 (%.2) = addr_of %.loc13_17.2
    161. 

  161. // CHECK:STDOUT:     return %.loc13_12
    162. 

  162. // CHECK:STDOUT:   }
    163. 

  163. // CHECK:STDOUT: }
    164. 

  164. // CHECK:STDOUT:
    165. 

  165. // CHECK:STDOUT: generic fn @GetValue(@Class.%T.loc11_13.1: type) {
    166. 

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

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

  168. // CHECK:STDOUT:
    169. 

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

  170. // CHECK:STDOUT:   %.loc18_16.3: type = unbound_element_type @GetValue.%Class (%Class.2), @GetValue.%T (%T) [symbolic = %.loc18_16.3 (constants.%.3)]
    171. 

  171. // CHECK:STDOUT:
    172. 

  172. // CHECK:STDOUT:   fn[%self.param_patt: @GetValue.%Class (%Class.2)]() -> @GetValue.%T (%T) {
    173. 

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

  174. // CHECK:STDOUT:     %self.ref: @GetValue.%Class (%Class.2) = name_ref self, %self
    175. 

  175. // CHECK:STDOUT:     %k.ref: @GetValue.%.loc18_16.3 (%.3) = name_ref k, @Class.%.loc21_8.1 [template = @Class.%.loc21_8.1]
    176. 

  176. // CHECK:STDOUT:     %.loc18_16.1: ref @GetValue.%T (%T) = class_element_access %self.ref, element0
    177. 

  177. // CHECK:STDOUT:     %.loc18_16.2: @GetValue.%T (%T) = bind_value %.loc18_16.1
    178. 

  178. // CHECK:STDOUT:     return %.loc18_16.2
    179. 

  179. // CHECK:STDOUT:   }
    180. 

  180. // CHECK:STDOUT: }
    181. 

  181. // CHECK:STDOUT:
    182. 

  182. // CHECK:STDOUT: specific @Class(constants.%T) {
    183. 

  183. // CHECK:STDOUT:   %T.loc11_13.2 => constants.%T
    184. 

  184. // CHECK:STDOUT:   %T.patt.loc11_13.2 => constants.%T
    185. 

  185. // CHECK:STDOUT:
    186. 

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

  187. // CHECK:STDOUT:   %GetAddr.type => constants.%GetAddr.type
    188. 

  188. // CHECK:STDOUT:   %GetAddr => constants.%GetAddr
    189. 

  189. // CHECK:STDOUT:   %GetValue.type => constants.%GetValue.type
    190. 

  190. // CHECK:STDOUT:   %GetValue => constants.%GetValue
    191. 

  191. // CHECK:STDOUT:   %Class => constants.%Class.2
    192. 

  192. // CHECK:STDOUT:   %.loc21_8.2 => constants.%.3
    193. 

  193. // CHECK:STDOUT:   %.loc22_1.2 => constants.%.4
    194. 

  194. // CHECK:STDOUT:   %.loc22_1.3 => constants.%.5
    195. 

  195. // CHECK:STDOUT: }
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: specific @Class(@GetAddr.%T) {
    198. 

  198. // CHECK:STDOUT:   %T.loc11_13.2 => constants.%T
    199. 

  199. // CHECK:STDOUT:   %T.patt.loc11_13.2 => constants.%T
    200. 

  200. // CHECK:STDOUT: }
    201. 

  201. // CHECK:STDOUT:
    202. 

  202. // CHECK:STDOUT: specific @GetAddr(constants.%T) {
    203. 

  203. // CHECK:STDOUT:   %T => constants.%T
    204. 

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

  205. // CHECK:STDOUT:   %.loc12_29.1 => constants.%.1
    206. 

  206. // CHECK:STDOUT:   %.loc12_38.1 => constants.%.2
    207. 

  207. // CHECK:STDOUT: }
    208. 

  208. // CHECK:STDOUT:
    209. 

  209. // CHECK:STDOUT: specific @Class(@GetValue.%T) {
    210. 

  210. // CHECK:STDOUT:   %T.loc11_13.2 => constants.%T
    211. 

  211. // CHECK:STDOUT:   %T.patt.loc11_13.2 => constants.%T
    212. 

  212. // CHECK:STDOUT: }
    213. 

  213. // CHECK:STDOUT:
    214. 

  214. // CHECK:STDOUT: specific @GetValue(constants.%T) {
    215. 

  215. // CHECK:STDOUT:   %T => constants.%T
    216. 

  216. // CHECK:STDOUT:   %Class => constants.%Class.2
    217. 

  217. // CHECK:STDOUT: }
    218. 

  218. // CHECK:STDOUT:
    219. 

  219. // CHECK:STDOUT: specific @Class(@Class.%T.loc11_13.2) {
    220. 

  220. // CHECK:STDOUT:   %T.loc11_13.2 => constants.%T
    221. 

  221. // CHECK:STDOUT:   %T.patt.loc11_13.2 => constants.%T
    222. 

  222. // CHECK:STDOUT: }
    223. 

  223. // CHECK:STDOUT:
    224. 

  224. // CHECK:STDOUT: specific @Declaration(constants.%T) {
    225. 

  225. // CHECK:STDOUT:   %T.loc24_19.2 => constants.%T
    226. 

  226. // CHECK:STDOUT:   %T.patt.loc24_19.2 => constants.%T
    227. 

  227. // CHECK:STDOUT: }
    228. 

  228. // CHECK:STDOUT:
    229.