self_conversion.carbon 17 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/self_conversion.carbon
  8. // TIP: To dump output, run:
  9. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/self_conversion.carbon
  10. base class Base {
  11. var a: i32;
  12. }
  13. class Derived {
  14. extend base: Base;
  15. fn SelfBase[self: Base]() -> i32;
  16. fn AddrSelfBase[addr self: Base*]();
  17. }
  18. fn Derived.SelfBase[self: Base]() -> i32 {
  19. return self.a;
  20. }
  21. fn Derived.AddrSelfBase[addr self: Base*]() {
  22. (*self).a = 1;
  23. }
  24. fn Call(p: Derived*) -> i32 {
  25. (*p).AddrSelfBase();
  26. return (*p).SelfBase();
  27. }
  28. // CHECK:STDOUT: --- self_conversion.carbon
  29. // CHECK:STDOUT:
  30. // CHECK:STDOUT: constants {
  31. // CHECK:STDOUT: %Base: type = class_type @Base [concrete]
  32. // CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
  33. // CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
  34. // CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
  35. // CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
  36. // CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
  37. // CHECK:STDOUT: %Base.elem: type = unbound_element_type %Base, %i32 [concrete]
  38. // CHECK:STDOUT: %struct_type.a: type = struct_type {.a: %i32} [concrete]
  39. // CHECK:STDOUT: %complete_type.fd7: <witness> = complete_type_witness %struct_type.a [concrete]
  40. // CHECK:STDOUT: %Derived: type = class_type @Derived [concrete]
  41. // CHECK:STDOUT: %Derived.elem: type = unbound_element_type %Derived, %Base [concrete]
  42. // CHECK:STDOUT: %pattern_type.bcc: type = pattern_type %Base [concrete]
  43. // CHECK:STDOUT: %pattern_type.7ce: type = pattern_type %i32 [concrete]
  44. // CHECK:STDOUT: %SelfBase.type: type = fn_type @SelfBase [concrete]
  45. // CHECK:STDOUT: %SelfBase: %SelfBase.type = struct_value () [concrete]
  46. // CHECK:STDOUT: %ptr.11f: type = ptr_type %Base [concrete]
  47. // CHECK:STDOUT: %pattern_type.1b9: type = pattern_type %ptr.11f [concrete]
  48. // CHECK:STDOUT: %pattern_type.f6d: type = pattern_type auto [concrete]
  49. // CHECK:STDOUT: %AddrSelfBase.type: type = fn_type @AddrSelfBase [concrete]
  50. // CHECK:STDOUT: %AddrSelfBase: %AddrSelfBase.type = struct_value () [concrete]
  51. // CHECK:STDOUT: %struct_type.base.b1e: type = struct_type {.base: %Base} [concrete]
  52. // CHECK:STDOUT: %complete_type.15c: <witness> = complete_type_witness %struct_type.base.b1e [concrete]
  53. // CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
  54. // CHECK:STDOUT: %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
  55. // CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
  56. // CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
  57. // CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
  58. // CHECK:STDOUT: %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
  59. // CHECK:STDOUT: %Convert.type.0f9: type = fn_type @Convert.2, @impl.4f9(%To.c80) [symbolic]
  60. // CHECK:STDOUT: %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
  61. // CHECK:STDOUT: %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
  62. // CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
  63. // CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [concrete]
  64. // CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
  65. // CHECK:STDOUT: %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
  66. // CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
  67. // CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
  68. // CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
  69. // CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
  70. // CHECK:STDOUT: %ptr.404: type = ptr_type %Derived [concrete]
  71. // CHECK:STDOUT: %pattern_type.605: type = pattern_type %ptr.404 [concrete]
  72. // CHECK:STDOUT: %Call.type: type = fn_type @Call [concrete]
  73. // CHECK:STDOUT: %Call: %Call.type = struct_value () [concrete]
  74. // CHECK:STDOUT: }
  75. // CHECK:STDOUT:
  76. // CHECK:STDOUT: imports {
  77. // CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
  78. // CHECK:STDOUT: .Int = %Core.Int
  79. // CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
  80. // CHECK:STDOUT: import Core//prelude
  81. // CHECK:STDOUT: import Core//prelude/...
  82. // CHECK:STDOUT: }
  83. // CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
  84. // CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
  85. // CHECK:STDOUT: %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
  86. // CHECK:STDOUT: %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
  87. // CHECK:STDOUT: }
  88. // CHECK:STDOUT:
  89. // CHECK:STDOUT: file {
  90. // CHECK:STDOUT: package: <namespace> = namespace [concrete] {
  91. // CHECK:STDOUT: .Core = imports.%Core
  92. // CHECK:STDOUT: .Base = %Base.decl
  93. // CHECK:STDOUT: .Derived = %Derived.decl
  94. // CHECK:STDOUT: .Call = %Call.decl
  95. // CHECK:STDOUT: }
  96. // CHECK:STDOUT: %Core.import = import Core
  97. // CHECK:STDOUT: %Base.decl: type = class_decl @Base [concrete = constants.%Base] {} {}
  98. // CHECK:STDOUT: %Derived.decl: type = class_decl @Derived [concrete = constants.%Derived] {} {}
  99. // CHECK:STDOUT: %SelfBase.decl: %SelfBase.type = fn_decl @SelfBase [concrete = constants.%SelfBase] {
  100. // CHECK:STDOUT: %self.patt: %pattern_type.bcc = binding_pattern self [concrete]
  101. // CHECK:STDOUT: %self.param_patt: %pattern_type.bcc = value_param_pattern %self.patt, call_param0 [concrete]
  102. // CHECK:STDOUT: %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
  103. // CHECK:STDOUT: %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
  104. // CHECK:STDOUT: } {
  105. // CHECK:STDOUT: %int_32.loc22: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
  106. // CHECK:STDOUT: %i32.loc22: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
  107. // CHECK:STDOUT: %self.param.loc22: %Base = value_param call_param0
  108. // CHECK:STDOUT: %Base.ref.loc22: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
  109. // CHECK:STDOUT: %self.loc22: %Base = bind_name self, %self.param.loc22
  110. // CHECK:STDOUT: %return.param.loc22: ref %i32 = out_param call_param1
  111. // CHECK:STDOUT: %return.loc22: ref %i32 = return_slot %return.param.loc22
  112. // CHECK:STDOUT: }
  113. // CHECK:STDOUT: %AddrSelfBase.decl: %AddrSelfBase.type = fn_decl @AddrSelfBase [concrete = constants.%AddrSelfBase] {
  114. // CHECK:STDOUT: %self.patt: %pattern_type.1b9 = binding_pattern self [concrete]
  115. // CHECK:STDOUT: %self.param_patt: %pattern_type.1b9 = value_param_pattern %self.patt, call_param0 [concrete]
  116. // CHECK:STDOUT: %.loc26_25: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
  117. // CHECK:STDOUT: } {
  118. // CHECK:STDOUT: %self.param.loc26: %ptr.11f = value_param call_param0
  119. // CHECK:STDOUT: %.loc26_40: type = splice_block %ptr.loc26 [concrete = constants.%ptr.11f] {
  120. // CHECK:STDOUT: %Base.ref.loc26: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
  121. // CHECK:STDOUT: %ptr.loc26: type = ptr_type %Base.ref.loc26 [concrete = constants.%ptr.11f]
  122. // CHECK:STDOUT: }
  123. // CHECK:STDOUT: %self.loc26: %ptr.11f = bind_name self, %self.param.loc26
  124. // CHECK:STDOUT: }
  125. // CHECK:STDOUT: %Call.decl: %Call.type = fn_decl @Call [concrete = constants.%Call] {
  126. // CHECK:STDOUT: %p.patt: %pattern_type.605 = binding_pattern p [concrete]
  127. // CHECK:STDOUT: %p.param_patt: %pattern_type.605 = value_param_pattern %p.patt, call_param0 [concrete]
  128. // CHECK:STDOUT: %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
  129. // CHECK:STDOUT: %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
  130. // CHECK:STDOUT: } {
  131. // CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
  132. // CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
  133. // CHECK:STDOUT: %p.param: %ptr.404 = value_param call_param0
  134. // CHECK:STDOUT: %.loc30: type = splice_block %ptr [concrete = constants.%ptr.404] {
  135. // CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
  136. // CHECK:STDOUT: %ptr: type = ptr_type %Derived.ref [concrete = constants.%ptr.404]
  137. // CHECK:STDOUT: }
  138. // CHECK:STDOUT: %p: %ptr.404 = bind_name p, %p.param
  139. // CHECK:STDOUT: %return.param: ref %i32 = out_param call_param1
  140. // CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
  141. // CHECK:STDOUT: }
  142. // CHECK:STDOUT: }
  143. // CHECK:STDOUT:
  144. // CHECK:STDOUT: class @Base {
  145. // CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
  146. // CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
  147. // CHECK:STDOUT: %.loc12: %Base.elem = field_decl a, element0 [concrete]
  148. // CHECK:STDOUT: %struct_type.a: type = struct_type {.a: %i32} [concrete = constants.%struct_type.a]
  149. // CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.a [concrete = constants.%complete_type.fd7]
  150. // CHECK:STDOUT: complete_type_witness = %complete_type
  151. // CHECK:STDOUT:
  152. // CHECK:STDOUT: !members:
  153. // CHECK:STDOUT: .Self = constants.%Base
  154. // CHECK:STDOUT: .a = %.loc12
  155. // CHECK:STDOUT: .Base = <poisoned>
  156. // CHECK:STDOUT: }
  157. // CHECK:STDOUT:
  158. // CHECK:STDOUT: class @Derived {
  159. // CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
  160. // CHECK:STDOUT: %.loc16: %Derived.elem = base_decl %Base.ref, element0 [concrete]
  161. // CHECK:STDOUT: %SelfBase.decl: %SelfBase.type = fn_decl @SelfBase [concrete = constants.%SelfBase] {
  162. // CHECK:STDOUT: %self.patt: %pattern_type.bcc = binding_pattern self [concrete]
  163. // CHECK:STDOUT: %self.param_patt: %pattern_type.bcc = value_param_pattern %self.patt, call_param0 [concrete]
  164. // CHECK:STDOUT: %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
  165. // CHECK:STDOUT: %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
  166. // CHECK:STDOUT: } {
  167. // CHECK:STDOUT: %int_32.loc18: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
  168. // CHECK:STDOUT: %i32.loc18: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
  169. // CHECK:STDOUT: %self.param.loc18: %Base = value_param call_param0
  170. // CHECK:STDOUT: %Base.ref.loc18: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
  171. // CHECK:STDOUT: %self.loc18: %Base = bind_name self, %self.param.loc18
  172. // CHECK:STDOUT: %return.param.loc18: ref %i32 = out_param call_param1
  173. // CHECK:STDOUT: %return.loc18: ref %i32 = return_slot %return.param.loc18
  174. // CHECK:STDOUT: }
  175. // CHECK:STDOUT: %AddrSelfBase.decl: %AddrSelfBase.type = fn_decl @AddrSelfBase [concrete = constants.%AddrSelfBase] {
  176. // CHECK:STDOUT: %self.patt: %pattern_type.1b9 = binding_pattern self [concrete]
  177. // CHECK:STDOUT: %self.param_patt: %pattern_type.1b9 = value_param_pattern %self.patt, call_param0 [concrete]
  178. // CHECK:STDOUT: %.loc26_25: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
  179. // CHECK:STDOUT: } {
  180. // CHECK:STDOUT: %self.param.loc19: %ptr.11f = value_param call_param0
  181. // CHECK:STDOUT: %.loc19: type = splice_block %ptr.loc19 [concrete = constants.%ptr.11f] {
  182. // CHECK:STDOUT: %Base.ref.loc19: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
  183. // CHECK:STDOUT: %ptr.loc19: type = ptr_type %Base.ref.loc19 [concrete = constants.%ptr.11f]
  184. // CHECK:STDOUT: }
  185. // CHECK:STDOUT: %self.loc19: %ptr.11f = bind_name self, %self.param.loc19
  186. // CHECK:STDOUT: }
  187. // CHECK:STDOUT: %struct_type.base: type = struct_type {.base: %Base} [concrete = constants.%struct_type.base.b1e]
  188. // CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base [concrete = constants.%complete_type.15c]
  189. // CHECK:STDOUT: complete_type_witness = %complete_type
  190. // CHECK:STDOUT:
  191. // CHECK:STDOUT: !members:
  192. // CHECK:STDOUT: .Self = constants.%Derived
  193. // CHECK:STDOUT: .Base = <poisoned>
  194. // CHECK:STDOUT: .base = %.loc16
  195. // CHECK:STDOUT: .SelfBase = %SelfBase.decl
  196. // CHECK:STDOUT: .AddrSelfBase = %AddrSelfBase.decl
  197. // CHECK:STDOUT: extend %Base.ref
  198. // CHECK:STDOUT: }
  199. // CHECK:STDOUT:
  200. // CHECK:STDOUT: fn @SelfBase(%self.param.loc22: %Base) -> %i32 {
  201. // CHECK:STDOUT: !entry:
  202. // CHECK:STDOUT: %self.ref: %Base = name_ref self, %self.loc22
  203. // CHECK:STDOUT: %a.ref: %Base.elem = name_ref a, @Base.%.loc12 [concrete = @Base.%.loc12]
  204. // CHECK:STDOUT: %.loc23_14.1: ref %i32 = class_element_access %self.ref, element0
  205. // CHECK:STDOUT: %.loc23_14.2: %i32 = bind_value %.loc23_14.1
  206. // CHECK:STDOUT: return %.loc23_14.2
  207. // CHECK:STDOUT: }
  208. // CHECK:STDOUT:
  209. // CHECK:STDOUT: fn @AddrSelfBase(%self.param.loc26: %ptr.11f) {
  210. // CHECK:STDOUT: !entry:
  211. // CHECK:STDOUT: %self.ref: %ptr.11f = name_ref self, %self.loc26
  212. // CHECK:STDOUT: %.loc27_4: ref %Base = deref %self.ref
  213. // CHECK:STDOUT: %a.ref: %Base.elem = name_ref a, @Base.%.loc12 [concrete = @Base.%.loc12]
  214. // CHECK:STDOUT: %.loc27_10: ref %i32 = class_element_access %.loc27_4, element0
  215. // CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
  216. // CHECK:STDOUT: %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
  217. // CHECK:STDOUT: %bound_method.loc27_13.1: <bound method> = bound_method %int_1, %impl.elem0 [concrete = constants.%Convert.bound]
  218. // CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
  219. // CHECK:STDOUT: %bound_method.loc27_13.2: <bound method> = bound_method %int_1, %specific_fn [concrete = constants.%bound_method]
  220. // CHECK:STDOUT: %int.convert_checked: init %i32 = call %bound_method.loc27_13.2(%int_1) [concrete = constants.%int_1.5d2]
  221. // CHECK:STDOUT: %.loc27_13: init %i32 = converted %int_1, %int.convert_checked [concrete = constants.%int_1.5d2]
  222. // CHECK:STDOUT: assign %.loc27_10, %.loc27_13
  223. // CHECK:STDOUT: return
  224. // CHECK:STDOUT: }
  225. // CHECK:STDOUT:
  226. // CHECK:STDOUT: fn @Call(%p.param: %ptr.404) -> %i32 {
  227. // CHECK:STDOUT: !entry:
  228. // CHECK:STDOUT: %p.ref.loc31: %ptr.404 = name_ref p, %p
  229. // CHECK:STDOUT: %.loc31_4.1: ref %Derived = deref %p.ref.loc31
  230. // CHECK:STDOUT: %AddrSelfBase.ref: %AddrSelfBase.type = name_ref AddrSelfBase, @Derived.%AddrSelfBase.decl [concrete = constants.%AddrSelfBase]
  231. // CHECK:STDOUT: %AddrSelfBase.bound: <bound method> = bound_method %.loc31_4.1, %AddrSelfBase.ref
  232. // CHECK:STDOUT: %addr.loc31_4.1: %ptr.404 = addr_of %.loc31_4.1
  233. // CHECK:STDOUT: %.loc31_4.2: ref %Derived = deref %addr.loc31_4.1
  234. // CHECK:STDOUT: %.loc31_4.3: ref %Base = class_element_access %.loc31_4.2, element0
  235. // CHECK:STDOUT: %addr.loc31_4.2: %ptr.11f = addr_of %.loc31_4.3
  236. // CHECK:STDOUT: %.loc31_4.4: %ptr.11f = converted %addr.loc31_4.1, %addr.loc31_4.2
  237. // CHECK:STDOUT: %AddrSelfBase.call: init %empty_tuple.type = call %AddrSelfBase.bound(%.loc31_4.4)
  238. // CHECK:STDOUT: %p.ref.loc32: %ptr.404 = name_ref p, %p
  239. // CHECK:STDOUT: %.loc32_11.1: ref %Derived = deref %p.ref.loc32
  240. // CHECK:STDOUT: %SelfBase.ref: %SelfBase.type = name_ref SelfBase, @Derived.%SelfBase.decl [concrete = constants.%SelfBase]
  241. // CHECK:STDOUT: %SelfBase.bound: <bound method> = bound_method %.loc32_11.1, %SelfBase.ref
  242. // CHECK:STDOUT: %.loc32_11.2: ref %Base = class_element_access %.loc32_11.1, element0
  243. // CHECK:STDOUT: %.loc32_11.3: ref %Base = converted %.loc32_11.1, %.loc32_11.2
  244. // CHECK:STDOUT: %.loc32_11.4: %Base = bind_value %.loc32_11.3
  245. // CHECK:STDOUT: %SelfBase.call: init %i32 = call %SelfBase.bound(%.loc32_11.4)
  246. // CHECK:STDOUT: %.loc32_25.1: %i32 = value_of_initializer %SelfBase.call
  247. // CHECK:STDOUT: %.loc32_25.2: %i32 = converted %SelfBase.call, %.loc32_25.1
  248. // CHECK:STDOUT: return %.loc32_25.2
  249. // CHECK:STDOUT: }
  250. // CHECK:STDOUT: