self.carbon 16 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/self.carbon
  8. // TIP: To dump output, run:
  9. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/self.carbon
  10. class Class(T:! type) {
  11. // `Self` is the same as `Class(T)` here.
  12. // TODO: Find a better way to test two types are the same.
  13. fn MakeSelf() -> Self { return {}; }
  14. fn MakeClass() -> Class(T) { return {}; }
  15. fn F() {
  16. var c: Class(T) = MakeSelf();
  17. var s: Self = MakeClass();
  18. }
  19. }
  20. // CHECK:STDOUT: --- self.carbon
  21. // CHECK:STDOUT:
  22. // CHECK:STDOUT: constants {
  23. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
  24. // CHECK:STDOUT: %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
  25. // CHECK:STDOUT: %Class.type: type = generic_class_type @Class [template]
  26. // CHECK:STDOUT: %Class.generic: %Class.type = struct_value () [template]
  27. // CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic]
  28. // CHECK:STDOUT: %MakeSelf.type: type = fn_type @MakeSelf, @Class(%T) [symbolic]
  29. // CHECK:STDOUT: %MakeSelf: %MakeSelf.type = struct_value () [symbolic]
  30. // CHECK:STDOUT: %MakeClass.type: type = fn_type @MakeClass, @Class(%T) [symbolic]
  31. // CHECK:STDOUT: %MakeClass: %MakeClass.type = struct_value () [symbolic]
  32. // CHECK:STDOUT: %F.type: type = fn_type @F, @Class(%T) [symbolic]
  33. // CHECK:STDOUT: %F: %F.type = struct_value () [symbolic]
  34. // CHECK:STDOUT: %empty_struct_type: type = struct_type {} [template]
  35. // CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
  36. // CHECK:STDOUT: %require_complete: <witness> = require_complete_type %Class [symbolic]
  37. // CHECK:STDOUT: %Class.val: %Class = struct_value () [symbolic]
  38. // CHECK:STDOUT: %MakeSelf.specific_fn: <specific function> = specific_function %MakeSelf, @MakeSelf(%T) [symbolic]
  39. // CHECK:STDOUT: %MakeClass.specific_fn: <specific function> = specific_function %MakeClass, @MakeClass(%T) [symbolic]
  40. // CHECK:STDOUT: }
  41. // CHECK:STDOUT:
  42. // CHECK:STDOUT: imports {
  43. // CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
  44. // CHECK:STDOUT: import Core//prelude
  45. // CHECK:STDOUT: import Core//prelude/...
  46. // CHECK:STDOUT: }
  47. // CHECK:STDOUT: }
  48. // CHECK:STDOUT:
  49. // CHECK:STDOUT: file {
  50. // CHECK:STDOUT: package: <namespace> = namespace [template] {
  51. // CHECK:STDOUT: .Core = imports.%Core
  52. // CHECK:STDOUT: .Class = %Class.decl
  53. // CHECK:STDOUT: }
  54. // CHECK:STDOUT: %Core.import = import Core
  55. // CHECK:STDOUT: %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.generic] {
  56. // CHECK:STDOUT: %T.patt.loc11_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
  57. // CHECK:STDOUT: %T.param_patt: type = value_param_pattern %T.patt.loc11_13.1, runtime_param<none> [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
  58. // CHECK:STDOUT: } {
  59. // CHECK:STDOUT: %T.param: type = value_param runtime_param<none>
  60. // CHECK:STDOUT: %T.loc11_13.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc11_13.2 (constants.%T)]
  61. // CHECK:STDOUT: }
  62. // CHECK:STDOUT: }
  63. // CHECK:STDOUT:
  64. // CHECK:STDOUT: generic class @Class(%T.loc11_13.1: type) {
  65. // CHECK:STDOUT: %T.loc11_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_13.2 (constants.%T)]
  66. // CHECK:STDOUT: %T.patt.loc11_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_13.2 (constants.%T.patt)]
  67. // CHECK:STDOUT:
  68. // CHECK:STDOUT: !definition:
  69. // CHECK:STDOUT: %MakeSelf.type: type = fn_type @MakeSelf, @Class(%T.loc11_13.2) [symbolic = %MakeSelf.type (constants.%MakeSelf.type)]
  70. // CHECK:STDOUT: %MakeSelf: @Class.%MakeSelf.type (%MakeSelf.type) = struct_value () [symbolic = %MakeSelf (constants.%MakeSelf)]
  71. // CHECK:STDOUT: %MakeClass.type: type = fn_type @MakeClass, @Class(%T.loc11_13.2) [symbolic = %MakeClass.type (constants.%MakeClass.type)]
  72. // CHECK:STDOUT: %MakeClass: @Class.%MakeClass.type (%MakeClass.type) = struct_value () [symbolic = %MakeClass (constants.%MakeClass)]
  73. // CHECK:STDOUT: %F.type: type = fn_type @F, @Class(%T.loc11_13.2) [symbolic = %F.type (constants.%F.type)]
  74. // CHECK:STDOUT: %F: @Class.%F.type (%F.type) = struct_value () [symbolic = %F (constants.%F)]
  75. // CHECK:STDOUT:
  76. // CHECK:STDOUT: class {
  77. // CHECK:STDOUT: %MakeSelf.decl: @Class.%MakeSelf.type (%MakeSelf.type) = fn_decl @MakeSelf [symbolic = @Class.%MakeSelf (constants.%MakeSelf)] {
  78. // CHECK:STDOUT: %return.patt: @MakeSelf.%Class (%Class) = return_slot_pattern
  79. // CHECK:STDOUT: %return.param_patt: @MakeSelf.%Class (%Class) = out_param_pattern %return.patt, runtime_param0
  80. // CHECK:STDOUT: } {
  81. // CHECK:STDOUT: %.loc14_20: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class (constants.%Class)]
  82. // CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc14_20 [symbolic = %Class (constants.%Class)]
  83. // CHECK:STDOUT: %return.param: ref @MakeSelf.%Class (%Class) = out_param runtime_param0
  84. // CHECK:STDOUT: %return: ref @MakeSelf.%Class (%Class) = return_slot %return.param
  85. // CHECK:STDOUT: }
  86. // CHECK:STDOUT: %MakeClass.decl: @Class.%MakeClass.type (%MakeClass.type) = fn_decl @MakeClass [symbolic = @Class.%MakeClass (constants.%MakeClass)] {
  87. // CHECK:STDOUT: %return.patt: @MakeClass.%Class.loc15_28.1 (%Class) = return_slot_pattern
  88. // CHECK:STDOUT: %return.param_patt: @MakeClass.%Class.loc15_28.1 (%Class) = out_param_pattern %return.patt, runtime_param0
  89. // CHECK:STDOUT: } {
  90. // CHECK:STDOUT: %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.generic]
  91. // CHECK:STDOUT: %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
  92. // CHECK:STDOUT: %Class.loc15_28.2: type = class_type @Class, @Class(constants.%T) [symbolic = %Class.loc15_28.1 (constants.%Class)]
  93. // CHECK:STDOUT: %return.param: ref @MakeClass.%Class.loc15_28.1 (%Class) = out_param runtime_param0
  94. // CHECK:STDOUT: %return: ref @MakeClass.%Class.loc15_28.1 (%Class) = return_slot %return.param
  95. // CHECK:STDOUT: }
  96. // CHECK:STDOUT: %F.decl: @Class.%F.type (%F.type) = fn_decl @F [symbolic = @Class.%F (constants.%F)] {} {}
  97. // CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type]
  98. // CHECK:STDOUT: complete_type_witness = %complete_type
  99. // CHECK:STDOUT:
  100. // CHECK:STDOUT: !members:
  101. // CHECK:STDOUT: .Self = constants.%Class
  102. // CHECK:STDOUT: .MakeSelf = %MakeSelf.decl
  103. // CHECK:STDOUT: .MakeClass = %MakeClass.decl
  104. // CHECK:STDOUT: .F = %F.decl
  105. // CHECK:STDOUT: }
  106. // CHECK:STDOUT: }
  107. // CHECK:STDOUT:
  108. // CHECK:STDOUT: generic fn @MakeSelf(@Class.%T.loc11_13.1: type) {
  109. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
  110. // CHECK:STDOUT: %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class)]
  111. // CHECK:STDOUT:
  112. // CHECK:STDOUT: !definition:
  113. // CHECK:STDOUT: %require_complete: <witness> = require_complete_type @MakeSelf.%Class (%Class) [symbolic = %require_complete (constants.%require_complete)]
  114. // CHECK:STDOUT: %Class.val: @MakeSelf.%Class (%Class) = struct_value () [symbolic = %Class.val (constants.%Class.val)]
  115. // CHECK:STDOUT:
  116. // CHECK:STDOUT: fn() -> %return.param_patt: @MakeSelf.%Class (%Class) {
  117. // CHECK:STDOUT: !entry:
  118. // CHECK:STDOUT: %.loc14_35.1: %empty_struct_type = struct_literal ()
  119. // CHECK:STDOUT: %.loc14_35.2: init @MakeSelf.%Class (%Class) = class_init (), %return [symbolic = %Class.val (constants.%Class.val)]
  120. // CHECK:STDOUT: %.loc14_36: init @MakeSelf.%Class (%Class) = converted %.loc14_35.1, %.loc14_35.2 [symbolic = %Class.val (constants.%Class.val)]
  121. // CHECK:STDOUT: return %.loc14_36 to %return
  122. // CHECK:STDOUT: }
  123. // CHECK:STDOUT: }
  124. // CHECK:STDOUT:
  125. // CHECK:STDOUT: generic fn @MakeClass(@Class.%T.loc11_13.1: type) {
  126. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
  127. // CHECK:STDOUT: %Class.loc15_28.1: type = class_type @Class, @Class(%T) [symbolic = %Class.loc15_28.1 (constants.%Class)]
  128. // CHECK:STDOUT:
  129. // CHECK:STDOUT: !definition:
  130. // CHECK:STDOUT: %require_complete: <witness> = require_complete_type @MakeClass.%Class.loc15_28.1 (%Class) [symbolic = %require_complete (constants.%require_complete)]
  131. // CHECK:STDOUT: %Class.val: @MakeClass.%Class.loc15_28.1 (%Class) = struct_value () [symbolic = %Class.val (constants.%Class.val)]
  132. // CHECK:STDOUT:
  133. // CHECK:STDOUT: fn() -> %return.param_patt: @MakeClass.%Class.loc15_28.1 (%Class) {
  134. // CHECK:STDOUT: !entry:
  135. // CHECK:STDOUT: %.loc15_40.1: %empty_struct_type = struct_literal ()
  136. // CHECK:STDOUT: %.loc15_40.2: init @MakeClass.%Class.loc15_28.1 (%Class) = class_init (), %return [symbolic = %Class.val (constants.%Class.val)]
  137. // CHECK:STDOUT: %.loc15_41: init @MakeClass.%Class.loc15_28.1 (%Class) = converted %.loc15_40.1, %.loc15_40.2 [symbolic = %Class.val (constants.%Class.val)]
  138. // CHECK:STDOUT: return %.loc15_41 to %return
  139. // CHECK:STDOUT: }
  140. // CHECK:STDOUT: }
  141. // CHECK:STDOUT:
  142. // CHECK:STDOUT: generic fn @F(@Class.%T.loc11_13.1: type) {
  143. // CHECK:STDOUT: !definition:
  144. // CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
  145. // CHECK:STDOUT: %Class.loc17_19.2: type = class_type @Class, @Class(%T) [symbolic = %Class.loc17_19.2 (constants.%Class)]
  146. // CHECK:STDOUT: %require_complete: <witness> = require_complete_type @F.%Class.loc17_19.2 (%Class) [symbolic = %require_complete (constants.%require_complete)]
  147. // CHECK:STDOUT: %MakeSelf.type: type = fn_type @MakeSelf, @Class(%T) [symbolic = %MakeSelf.type (constants.%MakeSelf.type)]
  148. // CHECK:STDOUT: %MakeSelf: @F.%MakeSelf.type (%MakeSelf.type) = struct_value () [symbolic = %MakeSelf (constants.%MakeSelf)]
  149. // CHECK:STDOUT: %MakeSelf.specific_fn.loc17_23.2: <specific function> = specific_function %MakeSelf, @MakeSelf(%T) [symbolic = %MakeSelf.specific_fn.loc17_23.2 (constants.%MakeSelf.specific_fn)]
  150. // CHECK:STDOUT: %MakeClass.type: type = fn_type @MakeClass, @Class(%T) [symbolic = %MakeClass.type (constants.%MakeClass.type)]
  151. // CHECK:STDOUT: %MakeClass: @F.%MakeClass.type (%MakeClass.type) = struct_value () [symbolic = %MakeClass (constants.%MakeClass)]
  152. // CHECK:STDOUT: %MakeClass.specific_fn.loc18_19.2: <specific function> = specific_function %MakeClass, @MakeClass(%T) [symbolic = %MakeClass.specific_fn.loc18_19.2 (constants.%MakeClass.specific_fn)]
  153. // CHECK:STDOUT:
  154. // CHECK:STDOUT: fn() {
  155. // CHECK:STDOUT: !entry:
  156. // CHECK:STDOUT: name_binding_decl {
  157. // CHECK:STDOUT: %c.patt: @F.%Class.loc17_19.2 (%Class) = binding_pattern c
  158. // CHECK:STDOUT: %.loc17_5.1: @F.%Class.loc17_19.2 (%Class) = var_pattern %c.patt
  159. // CHECK:STDOUT: }
  160. // CHECK:STDOUT: %c.var: ref @F.%Class.loc17_19.2 (%Class) = var c
  161. // CHECK:STDOUT: %.loc17_23: @F.%MakeSelf.type (%MakeSelf.type) = specific_constant @Class.%MakeSelf.decl, @Class(constants.%T) [symbolic = %MakeSelf (constants.%MakeSelf)]
  162. // CHECK:STDOUT: %MakeSelf.ref: @F.%MakeSelf.type (%MakeSelf.type) = name_ref MakeSelf, %.loc17_23 [symbolic = %MakeSelf (constants.%MakeSelf)]
  163. // CHECK:STDOUT: %MakeSelf.specific_fn.loc17_23.1: <specific function> = specific_function %MakeSelf.ref, @MakeSelf(constants.%T) [symbolic = %MakeSelf.specific_fn.loc17_23.2 (constants.%MakeSelf.specific_fn)]
  164. // CHECK:STDOUT: %.loc17_5.2: ref @F.%Class.loc17_19.2 (%Class) = splice_block %c.var {}
  165. // CHECK:STDOUT: %MakeSelf.call: init @F.%Class.loc17_19.2 (%Class) = call %MakeSelf.specific_fn.loc17_23.1() to %.loc17_5.2
  166. // CHECK:STDOUT: assign %c.var, %MakeSelf.call
  167. // CHECK:STDOUT: %.loc17_19: type = splice_block %Class.loc17_19.1 [symbolic = %Class.loc17_19.2 (constants.%Class)] {
  168. // CHECK:STDOUT: %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.generic]
  169. // CHECK:STDOUT: %T.ref: type = name_ref T, @Class.%T.loc11_13.1 [symbolic = %T (constants.%T)]
  170. // CHECK:STDOUT: %Class.loc17_19.1: type = class_type @Class, @Class(constants.%T) [symbolic = %Class.loc17_19.2 (constants.%Class)]
  171. // CHECK:STDOUT: }
  172. // CHECK:STDOUT: %c: ref @F.%Class.loc17_19.2 (%Class) = bind_name c, %c.var
  173. // CHECK:STDOUT: name_binding_decl {
  174. // CHECK:STDOUT: %s.patt: @F.%Class.loc17_19.2 (%Class) = binding_pattern s
  175. // CHECK:STDOUT: %.loc18_5.1: @F.%Class.loc17_19.2 (%Class) = var_pattern %s.patt
  176. // CHECK:STDOUT: }
  177. // CHECK:STDOUT: %s.var: ref @F.%Class.loc17_19.2 (%Class) = var s
  178. // CHECK:STDOUT: %.loc18_19: @F.%MakeClass.type (%MakeClass.type) = specific_constant @Class.%MakeClass.decl, @Class(constants.%T) [symbolic = %MakeClass (constants.%MakeClass)]
  179. // CHECK:STDOUT: %MakeClass.ref: @F.%MakeClass.type (%MakeClass.type) = name_ref MakeClass, %.loc18_19 [symbolic = %MakeClass (constants.%MakeClass)]
  180. // CHECK:STDOUT: %MakeClass.specific_fn.loc18_19.1: <specific function> = specific_function %MakeClass.ref, @MakeClass(constants.%T) [symbolic = %MakeClass.specific_fn.loc18_19.2 (constants.%MakeClass.specific_fn)]
  181. // CHECK:STDOUT: %.loc18_5.2: ref @F.%Class.loc17_19.2 (%Class) = splice_block %s.var {}
  182. // CHECK:STDOUT: %MakeClass.call: init @F.%Class.loc17_19.2 (%Class) = call %MakeClass.specific_fn.loc18_19.1() to %.loc18_5.2
  183. // CHECK:STDOUT: assign %s.var, %MakeClass.call
  184. // CHECK:STDOUT: %.loc18_12.1: type = splice_block %Self.ref [symbolic = %Class.loc17_19.2 (constants.%Class)] {
  185. // CHECK:STDOUT: %.loc18_12.2: type = specific_constant constants.%Class, @Class(constants.%T) [symbolic = %Class.loc17_19.2 (constants.%Class)]
  186. // CHECK:STDOUT: %Self.ref: type = name_ref Self, %.loc18_12.2 [symbolic = %Class.loc17_19.2 (constants.%Class)]
  187. // CHECK:STDOUT: }
  188. // CHECK:STDOUT: %s: ref @F.%Class.loc17_19.2 (%Class) = bind_name s, %s.var
  189. // CHECK:STDOUT: return
  190. // CHECK:STDOUT: }
  191. // CHECK:STDOUT: }
  192. // CHECK:STDOUT:
  193. // CHECK:STDOUT: specific @Class(constants.%T) {
  194. // CHECK:STDOUT: %T.loc11_13.2 => constants.%T
  195. // CHECK:STDOUT: %T.patt.loc11_13.2 => constants.%T
  196. // CHECK:STDOUT:
  197. // CHECK:STDOUT: !definition:
  198. // CHECK:STDOUT: %MakeSelf.type => constants.%MakeSelf.type
  199. // CHECK:STDOUT: %MakeSelf => constants.%MakeSelf
  200. // CHECK:STDOUT: %MakeClass.type => constants.%MakeClass.type
  201. // CHECK:STDOUT: %MakeClass => constants.%MakeClass
  202. // CHECK:STDOUT: %F.type => constants.%F.type
  203. // CHECK:STDOUT: %F => constants.%F
  204. // CHECK:STDOUT: }
  205. // CHECK:STDOUT:
  206. // CHECK:STDOUT: specific @MakeSelf(constants.%T) {
  207. // CHECK:STDOUT: %T => constants.%T
  208. // CHECK:STDOUT: %Class => constants.%Class
  209. // CHECK:STDOUT:
  210. // CHECK:STDOUT: !definition:
  211. // CHECK:STDOUT: %require_complete => constants.%require_complete
  212. // CHECK:STDOUT: %Class.val => constants.%Class.val
  213. // CHECK:STDOUT: }
  214. // CHECK:STDOUT:
  215. // CHECK:STDOUT: specific @Class(@MakeSelf.%T) {}
  216. // CHECK:STDOUT:
  217. // CHECK:STDOUT: specific @MakeClass(constants.%T) {
  218. // CHECK:STDOUT: %T => constants.%T
  219. // CHECK:STDOUT: %Class.loc15_28.1 => constants.%Class
  220. // CHECK:STDOUT:
  221. // CHECK:STDOUT: !definition:
  222. // CHECK:STDOUT: %require_complete => constants.%require_complete
  223. // CHECK:STDOUT: %Class.val => constants.%Class.val
  224. // CHECK:STDOUT: }
  225. // CHECK:STDOUT:
  226. // CHECK:STDOUT: specific @Class(@MakeClass.%T) {}
  227. // CHECK:STDOUT:
  228. // CHECK:STDOUT: specific @F(constants.%T) {}
  229. // CHECK:STDOUT:
  230. // CHECK:STDOUT: specific @Class(%T.loc11_13.2) {}
  231. // CHECK:STDOUT:
  232. // CHECK:STDOUT: specific @Class(@F.%T) {}
  233. // CHECK:STDOUT:
  234. // CHECK:STDOUT: specific @MakeSelf(@F.%T) {}
  235. // CHECK:STDOUT:
  236. // CHECK:STDOUT: specific @MakeClass(@F.%T) {}
  237. // CHECK:STDOUT: