basic.carbon 15 KB

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // AUTOUPDATE
  6. // TIP: To test this file alone, run:
  7. // TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/generic/basic.carbon
  8. // TIP: To dump output, run:
  9. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/basic.carbon
  10. class Class(T:! type) {
  11. fn GetAddr[addr self: Self*]() -> T* {
  12. return &self->k;
  13. }
  14. // TODO: Should this work? T is not necessarily copyable.
  15. fn GetValue[self: Self]() -> T {
  16. return self.k;
  17. }
  18. var k: T;
  19. }
  20. class Declaration(T:! type);
  21. // CHECK:STDOUT: --- basic.carbon
  22. // CHECK:STDOUT:
  23. // CHECK:STDOUT: constants {
  24. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
  25. // CHECK:STDOUT: %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
  26. // CHECK:STDOUT: %Class.type: type = generic_class_type @Class [template]
  27. // CHECK:STDOUT: %Class.generic: %Class.type = struct_value () [template]
  28. // CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic]
  29. // CHECK:STDOUT: %ptr.1: type = ptr_type %Class [symbolic]
  30. // CHECK:STDOUT: %ptr.2: type = ptr_type %T [symbolic]
  31. // CHECK:STDOUT: %GetAddr.type: type = fn_type @GetAddr, @Class(%T) [symbolic]
  32. // CHECK:STDOUT: %GetAddr: %GetAddr.type = struct_value () [symbolic]
  33. // CHECK:STDOUT: %GetValue.type: type = fn_type @GetValue, @Class(%T) [symbolic]
  34. // CHECK:STDOUT: %GetValue: %GetValue.type = struct_value () [symbolic]
  35. // CHECK:STDOUT: %require_complete.1: <witness> = require_complete_type %T [symbolic]
  36. // CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %T [symbolic]
  37. // CHECK:STDOUT: %struct_type.k: type = struct_type {.k: %T} [symbolic]
  38. // CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.k [symbolic]
  39. // CHECK:STDOUT: %require_complete.2: <witness> = require_complete_type %ptr.2 [symbolic]
  40. // CHECK:STDOUT: %require_complete.3: <witness> = require_complete_type %ptr.1 [symbolic]
  41. // CHECK:STDOUT: %require_complete.4: <witness> = require_complete_type %Class [symbolic]
  42. // CHECK:STDOUT: %Declaration.type: type = generic_class_type @Declaration [template]
  43. // CHECK:STDOUT: %Declaration.generic: %Declaration.type = struct_value () [template]
  44. // CHECK:STDOUT: }
  45. // CHECK:STDOUT:
  46. // CHECK:STDOUT: imports {
  47. // CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
  48. // CHECK:STDOUT: import Core//prelude
  49. // CHECK:STDOUT: import Core//prelude/...
  50. // CHECK:STDOUT: }
  51. // CHECK:STDOUT: }
  52. // CHECK:STDOUT:
  53. // CHECK:STDOUT: file {
  54. // CHECK:STDOUT: package: <namespace> = namespace [template] {
  55. // CHECK:STDOUT: .Core = imports.%Core
  56. // CHECK:STDOUT: .Class = %Class.decl
  57. // CHECK:STDOUT: .Declaration = %Declaration.decl
  58. // CHECK:STDOUT: }
  59. // CHECK:STDOUT: %Core.import = import Core
  60. // CHECK:STDOUT: %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.generic] {
  61. // CHECK:STDOUT: %T.patt.loc11_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
  62. // 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)]
  63. // CHECK:STDOUT: } {
  64. // CHECK:STDOUT: %T.param: type = value_param runtime_param<invalid>
  65. // CHECK:STDOUT: %T.loc11_13.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc11_13.2 (constants.%T)]
  66. // CHECK:STDOUT: }
  67. // CHECK:STDOUT: %Declaration.decl: %Declaration.type = class_decl @Declaration [template = constants.%Declaration.generic] {
  68. // CHECK:STDOUT: %T.patt.loc24_19.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc24_19.2 (constants.%T.patt)]
  69. // 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)]
  70. // CHECK:STDOUT: } {
  71. // CHECK:STDOUT: %T.param: type = value_param runtime_param<invalid>
  72. // CHECK:STDOUT: %T.loc24_19.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc24_19.2 (constants.%T)]
  73. // CHECK:STDOUT: }
  74. // CHECK:STDOUT: }
  75. // CHECK:STDOUT:
  76. // CHECK:STDOUT: generic class @Class(%T.loc11_13.1: type) {
  77. // CHECK:STDOUT: %T.loc11_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_13.2 (constants.%T)]
  78. // CHECK:STDOUT: %T.patt.loc11_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
  79. // CHECK:STDOUT:
  80. // CHECK:STDOUT: !definition:
  81. // CHECK:STDOUT: %GetAddr.type: type = fn_type @GetAddr, @Class(%T.loc11_13.2) [symbolic = %GetAddr.type (constants.%GetAddr.type)]
  82. // CHECK:STDOUT: %GetAddr: @Class.%GetAddr.type (%GetAddr.type) = struct_value () [symbolic = %GetAddr (constants.%GetAddr)]
  83. // CHECK:STDOUT: %GetValue.type: type = fn_type @GetValue, @Class(%T.loc11_13.2) [symbolic = %GetValue.type (constants.%GetValue.type)]
  84. // CHECK:STDOUT: %GetValue: @Class.%GetValue.type (%GetValue.type) = struct_value () [symbolic = %GetValue (constants.%GetValue)]
  85. // CHECK:STDOUT: %require_complete: <witness> = require_complete_type @Class.%T.loc11_13.2 (%T) [symbolic = %require_complete (constants.%require_complete.1)]
  86. // CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T.loc11_13.2) [symbolic = %Class (constants.%Class)]
  87. // CHECK:STDOUT: %Class.elem: type = unbound_element_type @Class.%Class (%Class), @Class.%T.loc11_13.2 (%T) [symbolic = %Class.elem (constants.%Class.elem)]
  88. // CHECK:STDOUT: %struct_type.k: type = struct_type {.k: @Class.%T.loc11_13.2 (%T)} [symbolic = %struct_type.k (constants.%struct_type.k)]
  89. // CHECK:STDOUT: %complete_type.loc22_1.2: <witness> = complete_type_witness @Class.%struct_type.k (%struct_type.k) [symbolic = %complete_type.loc22_1.2 (constants.%complete_type)]
  90. // CHECK:STDOUT:
  91. // CHECK:STDOUT: class {
  92. // CHECK:STDOUT: %GetAddr.decl: @Class.%GetAddr.type (%GetAddr.type) = fn_decl @GetAddr [symbolic = @Class.%GetAddr (constants.%GetAddr)] {
  93. // CHECK:STDOUT: %self.patt: @GetAddr.%ptr.loc12_29.1 (%ptr.1) = binding_pattern self
  94. // CHECK:STDOUT: %self.param_patt: @GetAddr.%ptr.loc12_29.1 (%ptr.1) = value_param_pattern %self.patt, runtime_param0
  95. // CHECK:STDOUT: %.loc12_14: auto = addr_pattern %self.param_patt
  96. // CHECK:STDOUT: %return.patt: @GetAddr.%ptr.loc12_38.1 (%ptr.2) = return_slot_pattern
  97. // CHECK:STDOUT: %return.param_patt: @GetAddr.%ptr.loc12_38.1 (%ptr.2) = out_param_pattern %return.patt, runtime_param1
  98. // CHECK:STDOUT: } {
  99. // CHECK:STDOUT: %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
  100. // CHECK:STDOUT: %ptr.loc12_38.2: type = ptr_type %T [symbolic = %ptr.loc12_38.1 (constants.%ptr.2)]
  101. // CHECK:STDOUT: %self.param: @GetAddr.%ptr.loc12_29.1 (%ptr.1) = value_param runtime_param0
  102. // CHECK:STDOUT: %.loc12_29: type = splice_block %ptr.loc12_29.2 [symbolic = %ptr.loc12_29.1 (constants.%ptr.1)] {
  103. // CHECK:STDOUT: %.loc12_25: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class (constants.%Class)]
  104. // CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc12_25 [symbolic = %Class (constants.%Class)]
  105. // CHECK:STDOUT: %ptr.loc12_29.2: type = ptr_type %Class [symbolic = %ptr.loc12_29.1 (constants.%ptr.1)]
  106. // CHECK:STDOUT: }
  107. // CHECK:STDOUT: %self: @GetAddr.%ptr.loc12_29.1 (%ptr.1) = bind_name self, %self.param
  108. // CHECK:STDOUT: %return.param: ref @GetAddr.%ptr.loc12_38.1 (%ptr.2) = out_param runtime_param1
  109. // CHECK:STDOUT: %return: ref @GetAddr.%ptr.loc12_38.1 (%ptr.2) = return_slot %return.param
  110. // CHECK:STDOUT: }
  111. // CHECK:STDOUT: %GetValue.decl: @Class.%GetValue.type (%GetValue.type) = fn_decl @GetValue [symbolic = @Class.%GetValue (constants.%GetValue)] {
  112. // CHECK:STDOUT: %self.patt: @GetValue.%Class (%Class) = binding_pattern self
  113. // CHECK:STDOUT: %self.param_patt: @GetValue.%Class (%Class) = value_param_pattern %self.patt, runtime_param0
  114. // CHECK:STDOUT: %return.patt: @GetValue.%T (%T) = return_slot_pattern
  115. // CHECK:STDOUT: %return.param_patt: @GetValue.%T (%T) = out_param_pattern %return.patt, runtime_param1
  116. // CHECK:STDOUT: } {
  117. // CHECK:STDOUT: %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
  118. // CHECK:STDOUT: %self.param: @GetValue.%Class (%Class) = value_param runtime_param0
  119. // CHECK:STDOUT: %.loc17_21.1: type = splice_block %Self.ref [symbolic = %Class (constants.%Class)] {
  120. // CHECK:STDOUT: %.loc17_21.2: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class (constants.%Class)]
  121. // CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc17_21.2 [symbolic = %Class (constants.%Class)]
  122. // CHECK:STDOUT: }
  123. // CHECK:STDOUT: %self: @GetValue.%Class (%Class) = bind_name self, %self.param
  124. // CHECK:STDOUT: %return.param: ref @GetValue.%T (%T) = out_param runtime_param1
  125. // CHECK:STDOUT: %return: ref @GetValue.%T (%T) = return_slot %return.param
  126. // CHECK:STDOUT: }
  127. // CHECK:STDOUT: %.loc21: @Class.%Class.elem (%Class.elem) = field_decl k, element0 [template]
  128. // CHECK:STDOUT: %complete_type.loc22_1.1: <witness> = complete_type_witness %struct_type.k [symbolic = %complete_type.loc22_1.2 (constants.%complete_type)]
  129. // CHECK:STDOUT:
  130. // CHECK:STDOUT: !members:
  131. // CHECK:STDOUT: .Self = constants.%Class
  132. // CHECK:STDOUT: .GetAddr = %GetAddr.decl
  133. // CHECK:STDOUT: .GetValue = %GetValue.decl
  134. // CHECK:STDOUT: .k = %.loc21
  135. // CHECK:STDOUT: complete_type_witness = %complete_type.loc22_1.1
  136. // CHECK:STDOUT: }
  137. // CHECK:STDOUT: }
  138. // CHECK:STDOUT:
  139. // CHECK:STDOUT: generic class @Declaration(%T.loc24_19.1: type) {
  140. // CHECK:STDOUT: %T.loc24_19.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc24_19.2 (constants.%T)]
  141. // CHECK:STDOUT: %T.patt.loc24_19.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc24_19.2 (constants.%T.patt)]
  142. // CHECK:STDOUT:
  143. // CHECK:STDOUT: class;
  144. // CHECK:STDOUT: }
  145. // CHECK:STDOUT:
  146. // CHECK:STDOUT: generic fn @GetAddr(@Class.%T.loc11_13.1: type) {
  147. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
  148. // CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class)]
  149. // CHECK:STDOUT: %ptr.loc12_29.1: type = ptr_type @GetAddr.%Class (%Class) [symbolic = %ptr.loc12_29.1 (constants.%ptr.1)]
  150. // CHECK:STDOUT: %ptr.loc12_38.1: type = ptr_type @GetAddr.%T (%T) [symbolic = %ptr.loc12_38.1 (constants.%ptr.2)]
  151. // CHECK:STDOUT:
  152. // CHECK:STDOUT: !definition:
  153. // CHECK:STDOUT: %require_complete.loc12_34: <witness> = require_complete_type @GetAddr.%ptr.loc12_38.1 (%ptr.2) [symbolic = %require_complete.loc12_34 (constants.%require_complete.2)]
  154. // CHECK:STDOUT: %require_complete.loc12_23: <witness> = require_complete_type @GetAddr.%ptr.loc12_29.1 (%ptr.1) [symbolic = %require_complete.loc12_23 (constants.%require_complete.3)]
  155. // CHECK:STDOUT: %require_complete.loc13: <witness> = require_complete_type @GetAddr.%Class (%Class) [symbolic = %require_complete.loc13 (constants.%require_complete.4)]
  156. // CHECK:STDOUT: %Class.elem: type = unbound_element_type @GetAddr.%Class (%Class), @GetAddr.%T (%T) [symbolic = %Class.elem (constants.%Class.elem)]
  157. // CHECK:STDOUT:
  158. // CHECK:STDOUT: fn[addr %self.param_patt: @GetAddr.%ptr.loc12_29.1 (%ptr.1)]() -> @GetAddr.%ptr.loc12_38.1 (%ptr.2) {
  159. // CHECK:STDOUT: !entry:
  160. // CHECK:STDOUT: %self.ref: @GetAddr.%ptr.loc12_29.1 (%ptr.1) = name_ref self, %self
  161. // CHECK:STDOUT: %.loc13_17.1: ref @GetAddr.%Class (%Class) = deref %self.ref
  162. // CHECK:STDOUT: %k.ref: @GetAddr.%Class.elem (%Class.elem) = name_ref k, @Class.%.loc21 [template = @Class.%.loc21]
  163. // CHECK:STDOUT: %.loc13_17.2: ref @GetAddr.%T (%T) = class_element_access %.loc13_17.1, element0
  164. // CHECK:STDOUT: %addr: @GetAddr.%ptr.loc12_38.1 (%ptr.2) = addr_of %.loc13_17.2
  165. // CHECK:STDOUT: return %addr
  166. // CHECK:STDOUT: }
  167. // CHECK:STDOUT: }
  168. // CHECK:STDOUT:
  169. // CHECK:STDOUT: generic fn @GetValue(@Class.%T.loc11_13.1: type) {
  170. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
  171. // CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class)]
  172. // CHECK:STDOUT:
  173. // CHECK:STDOUT: !definition:
  174. // CHECK:STDOUT: %require_complete.loc17: <witness> = require_complete_type @GetValue.%Class (%Class) [symbolic = %require_complete.loc17 (constants.%require_complete.4)]
  175. // CHECK:STDOUT: %Class.elem: type = unbound_element_type @GetValue.%Class (%Class), @GetValue.%T (%T) [symbolic = %Class.elem (constants.%Class.elem)]
  176. // CHECK:STDOUT: %require_complete.loc18: <witness> = require_complete_type @GetValue.%T (%T) [symbolic = %require_complete.loc18 (constants.%require_complete.1)]
  177. // CHECK:STDOUT:
  178. // CHECK:STDOUT: fn[%self.param_patt: @GetValue.%Class (%Class)]() -> @GetValue.%T (%T) {
  179. // CHECK:STDOUT: !entry:
  180. // CHECK:STDOUT: %self.ref: @GetValue.%Class (%Class) = name_ref self, %self
  181. // CHECK:STDOUT: %k.ref: @GetValue.%Class.elem (%Class.elem) = name_ref k, @Class.%.loc21 [template = @Class.%.loc21]
  182. // CHECK:STDOUT: %.loc18_16.1: ref @GetValue.%T (%T) = class_element_access %self.ref, element0
  183. // CHECK:STDOUT: %.loc18_16.2: @GetValue.%T (%T) = bind_value %.loc18_16.1
  184. // CHECK:STDOUT: return %.loc18_16.2
  185. // CHECK:STDOUT: }
  186. // CHECK:STDOUT: }
  187. // CHECK:STDOUT:
  188. // CHECK:STDOUT: specific @Class(constants.%T) {
  189. // CHECK:STDOUT: %T.loc11_13.2 => constants.%T
  190. // CHECK:STDOUT: %T.patt.loc11_13.2 => constants.%T
  191. // CHECK:STDOUT:
  192. // CHECK:STDOUT: !definition:
  193. // CHECK:STDOUT: %GetAddr.type => constants.%GetAddr.type
  194. // CHECK:STDOUT: %GetAddr => constants.%GetAddr
  195. // CHECK:STDOUT: %GetValue.type => constants.%GetValue.type
  196. // CHECK:STDOUT: %GetValue => constants.%GetValue
  197. // CHECK:STDOUT: %require_complete => constants.%require_complete.1
  198. // CHECK:STDOUT: %Class => constants.%Class
  199. // CHECK:STDOUT: %Class.elem => constants.%Class.elem
  200. // CHECK:STDOUT: %struct_type.k => constants.%struct_type.k
  201. // CHECK:STDOUT: %complete_type.loc22_1.2 => constants.%complete_type
  202. // CHECK:STDOUT: }
  203. // CHECK:STDOUT:
  204. // CHECK:STDOUT: specific @Class(@GetAddr.%T) {}
  205. // CHECK:STDOUT:
  206. // CHECK:STDOUT: specific @GetAddr(constants.%T) {
  207. // CHECK:STDOUT: %T => constants.%T
  208. // CHECK:STDOUT: %Class => constants.%Class
  209. // CHECK:STDOUT: %ptr.loc12_29.1 => constants.%ptr.1
  210. // CHECK:STDOUT: %ptr.loc12_38.1 => constants.%ptr.2
  211. // CHECK:STDOUT: }
  212. // CHECK:STDOUT:
  213. // CHECK:STDOUT: specific @Class(@GetValue.%T) {}
  214. // CHECK:STDOUT:
  215. // CHECK:STDOUT: specific @GetValue(constants.%T) {
  216. // CHECK:STDOUT: %T => constants.%T
  217. // CHECK:STDOUT: %Class => constants.%Class
  218. // CHECK:STDOUT: }
  219. // CHECK:STDOUT:
  220. // CHECK:STDOUT: specific @Class(%T.loc11_13.2) {}
  221. // CHECK:STDOUT:
  222. // CHECK:STDOUT: specific @Declaration(constants.%T) {
  223. // CHECK:STDOUT: %T.loc24_19.2 => constants.%T
  224. // CHECK:STDOUT: %T.patt.loc24_19.2 => constants.%T
  225. // CHECK:STDOUT: }
  226. // CHECK:STDOUT: