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self.carbon

self.carbon 21 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
    6. 

  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    7. 

  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    8. 

  8. //
    9. 

  9. // AUTOUPDATE
    10. 

  10. // TIP: To test this file alone, run:
    11. 

  11. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/self.carbon
    12. 

  12. // TIP: To dump output, run:
    13. 

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/self.carbon
    14. 

  14. 

  15. // --- self.carbon
    16. 

  16. 

  17. library "[[@TEST_NAME]]";
    18. 

  18. 

  19. class Class {
    20. 

  20.   fn F[self: Self]() -> i32;
    21. 

  21.   fn G[addr self: Self*]() -> i32;
    22. 

  22. 

  23.   var n: i32;
    24. 

  24. }
    25. 

  25. 

  26. fn Class.F[self: Self]() -> i32 {
    27. 

  27.   return self.n;
    28. 

  28. }
    29. 

  29. 

  30. fn Class.G[addr self: Self*]() -> i32 {
    31. 

  31.   return (*self).n;
    32. 

  32. }
    33. 

  33. 

  34. // --- fail_return_self_value.carbon
    35. 

  35. 

  36. library "[[@TEST_NAME]]";
    37. 

  37. 

  38. class Class {
    39. 

  39.   // CHECK:STDERR: fail_return_self_value.carbon:[[@LINE+7]]:25: error: cannot implicitly convert non-type value of type `Class` to `type` [ConversionFailureNonTypeToFacet]
    40. 

  40.   // CHECK:STDERR:   fn F[self: Self]() -> self;
    41. 

  41.   // CHECK:STDERR:                         ^~~~
    42. 

  42.   // CHECK:STDERR: fail_return_self_value.carbon:[[@LINE+4]]:25: note: type `Class` does not implement interface `Core.ImplicitAs(type)` [MissingImplInMemberAccessNote]
    43. 

  43.   // CHECK:STDERR:   fn F[self: Self]() -> self;
    44. 

  44.   // CHECK:STDERR:                         ^~~~
    45. 

  45.   // CHECK:STDERR:
    46. 

  46.   fn F[self: Self]() -> self;
    47. 

  47. }
    48. 

  48. 

  49. // CHECK:STDOUT: --- self.carbon
    50. 

  50. // CHECK:STDOUT:
    51. 

  51. // CHECK:STDOUT: constants {
    52. 

  52. // CHECK:STDOUT:   %Class: type = class_type @Class [concrete]
    53. 

  53. // CHECK:STDOUT:   %pattern_type.761: type = pattern_type %Class [concrete]
    54. 

  54. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    55. 

  55. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    56. 

  56. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    57. 

  57. // CHECK:STDOUT:   %N: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic]
    58. 

  58. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    59. 

  59. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    60. 

  60. // CHECK:STDOUT:   %Class.F.type: type = fn_type @Class.F [concrete]
    61. 

  61. // CHECK:STDOUT:   %Class.F: %Class.F.type = struct_value () [concrete]
    62. 

  62. // CHECK:STDOUT:   %ptr.e71: type = ptr_type %Class [concrete]
    63. 

  63. // CHECK:STDOUT:   %pattern_type.796: type = pattern_type %ptr.e71 [concrete]
    64. 

  64. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    65. 

  65. // CHECK:STDOUT:   %Class.G.type: type = fn_type @Class.G [concrete]
    66. 

  66. // CHECK:STDOUT:   %Class.G: %Class.G.type = struct_value () [concrete]
    67. 

  67. // CHECK:STDOUT:   %Class.elem: type = unbound_element_type %Class, %i32 [concrete]
    68. 

  68. // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
    69. 

  69. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @Class.%Destroy.impl_witness_table [concrete]
    70. 

  70. // CHECK:STDOUT:   %Class.as.Destroy.impl.Op.type: type = fn_type @Class.as.Destroy.impl.Op [concrete]
    71. 

  71. // CHECK:STDOUT:   %Class.as.Destroy.impl.Op: %Class.as.Destroy.impl.Op.type = struct_value () [concrete]
    72. 

  72. // CHECK:STDOUT:   %struct_type.n: type = struct_type {.n: %i32} [concrete]
    73. 

  73. // CHECK:STDOUT:   %complete_type.54b: <witness> = complete_type_witness %struct_type.n [concrete]
    74. 

  74. // CHECK:STDOUT:   %Copy.type: type = facet_type <@Copy> [concrete]
    75. 

  75. // CHECK:STDOUT:   %Copy.Op.type: type = fn_type @Copy.Op [concrete]
    76. 

  76. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.857: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
    77. 

  77. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.6aa: %Int.as.Copy.impl.Op.type.857 = struct_value () [symbolic]
    78. 

  78. // CHECK:STDOUT:   %Copy.impl_witness.f0b: <witness> = impl_witness imports.%Copy.impl_witness_table.f59, @Int.as.Copy.impl(%int_32) [concrete]
    79. 

  79. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.af5: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
    80. 

  80. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.87e: %Int.as.Copy.impl.Op.type.af5 = struct_value () [concrete]
    81. 

  81. // CHECK:STDOUT:   %Copy.facet.26d: %Copy.type = facet_value %i32, (%Copy.impl_witness.f0b) [concrete]
    82. 

  82. // CHECK:STDOUT:   %.3c4: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.26d [concrete]
    83. 

  83. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.87e, @Int.as.Copy.impl.Op(%int_32) [concrete]
    84. 

  84. // CHECK:STDOUT: }
    85. 

  85. // CHECK:STDOUT:
    86. 

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

  87. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    88. 

  88. // CHECK:STDOUT:     .Int = %Core.Int
    89. 

  89. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    90. 

  90. // CHECK:STDOUT:     .Copy = %Core.Copy
    91. 

  91. // CHECK:STDOUT:     import Core//prelude
    92. 

  92. // CHECK:STDOUT:     import Core//prelude/...
    93. 

  93. // CHECK:STDOUT:   }
    94. 

  94. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
    95. 

  95. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    96. 

  96. // CHECK:STDOUT:   %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
    97. 

  97. // CHECK:STDOUT:   %Core.import_ref.b3c: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.857) = import_ref Core//prelude/parts/int, loc17_31, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.6aa)]
    98. 

  98. // CHECK:STDOUT:   %Copy.impl_witness_table.f59 = impl_witness_table (%Core.import_ref.b3c), @Int.as.Copy.impl [concrete]
    99. 

  99. // CHECK:STDOUT: }
    100. 

  100. // CHECK:STDOUT:
    101. 

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

  102. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    103. 

  103. // CHECK:STDOUT:     .Core = imports.%Core
    104. 

  104. // CHECK:STDOUT:     .Class = %Class.decl
    105. 

  105. // CHECK:STDOUT:   }
    106. 

  106. // CHECK:STDOUT:   %Core.import = import Core
    107. 

  107. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
    108. 

  108. // CHECK:STDOUT:   %Class.F.decl: %Class.F.type = fn_decl @Class.F [concrete = constants.%Class.F] {
    109. 

  109. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    110. 

  110. // CHECK:STDOUT:     %self.param_patt: %pattern_type.761 = value_param_pattern %self.patt, call_param0 [concrete]
    111. 

  111. // CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
    112. 

  112. // CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
    113. 

  113. // CHECK:STDOUT:   } {
    114. 

  114. // CHECK:STDOUT:     %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    115. 

  115. // CHECK:STDOUT:     %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    116. 

  116. // CHECK:STDOUT:     %self.param.loc11: %Class = value_param call_param0
    117. 

  117. // CHECK:STDOUT:     %Self.ref.loc11: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    118. 

  118. // CHECK:STDOUT:     %self.loc11: %Class = bind_name self, %self.param.loc11
    119. 

  119. // CHECK:STDOUT:     %return.param.loc11: ref %i32 = out_param call_param1
    120. 

  120. // CHECK:STDOUT:     %return.loc11: ref %i32 = return_slot %return.param.loc11
    121. 

  121. // CHECK:STDOUT:   }
    122. 

  122. // CHECK:STDOUT:   %Class.G.decl: %Class.G.type = fn_decl @Class.G [concrete = constants.%Class.G] {
    123. 

  123. // CHECK:STDOUT:     %self.patt: %pattern_type.796 = binding_pattern self [concrete]
    124. 

  124. // CHECK:STDOUT:     %self.param_patt: %pattern_type.796 = value_param_pattern %self.patt, call_param0 [concrete]
    125. 

  125. // CHECK:STDOUT:     %.loc15_12: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    126. 

  126. // CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
    127. 

  127. // CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
    128. 

  128. // CHECK:STDOUT:   } {
    129. 

  129. // CHECK:STDOUT:     %int_32.loc15: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    130. 

  130. // CHECK:STDOUT:     %i32.loc15: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    131. 

  131. // CHECK:STDOUT:     %self.param.loc15: %ptr.e71 = value_param call_param0
    132. 

  132. // CHECK:STDOUT:     %.loc15_27: type = splice_block %ptr.loc15 [concrete = constants.%ptr.e71] {
    133. 

  133. // CHECK:STDOUT:       %Self.ref.loc15: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    134. 

  134. // CHECK:STDOUT:       %ptr.loc15: type = ptr_type %Self.ref.loc15 [concrete = constants.%ptr.e71]
    135. 

  135. // CHECK:STDOUT:     }
    136. 

  136. // CHECK:STDOUT:     %self.loc15: %ptr.e71 = bind_name self, %self.param.loc15
    137. 

  137. // CHECK:STDOUT:     %return.param.loc15: ref %i32 = out_param call_param1
    138. 

  138. // CHECK:STDOUT:     %return.loc15: ref %i32 = return_slot %return.param.loc15
    139. 

  139. // CHECK:STDOUT:   }
    140. 

  140. // CHECK:STDOUT: }
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: impl @Class.as.Destroy.impl: @Class.%Self.ref as constants.%Destroy.type {
    143. 

  143. // CHECK:STDOUT:   %Class.as.Destroy.impl.Op.decl: %Class.as.Destroy.impl.Op.type = fn_decl @Class.as.Destroy.impl.Op [concrete = constants.%Class.as.Destroy.impl.Op] {
    144. 

  144. // CHECK:STDOUT:     %self.patt: %pattern_type.796 = binding_pattern self [concrete]
    145. 

  145. // CHECK:STDOUT:     %self.param_patt: %pattern_type.796 = value_param_pattern %self.patt, call_param0 [concrete]
    146. 

  146. // CHECK:STDOUT:     %.loc4: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    147. 

  147. // CHECK:STDOUT:   } {
    148. 

  148. // CHECK:STDOUT:     %self.param: %ptr.e71 = value_param call_param0
    149. 

  149. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    150. 

  150. // CHECK:STDOUT:     %self: %ptr.e71 = bind_name self, %self.param
    151. 

  151. // CHECK:STDOUT:   }
    152. 

  152. // CHECK:STDOUT:
    153. 

  153. // CHECK:STDOUT: !members:
    154. 

  154. // CHECK:STDOUT:   .Op = %Class.as.Destroy.impl.Op.decl
    155. 

  155. // CHECK:STDOUT:   witness = @Class.%Destroy.impl_witness
    156. 

  156. // CHECK:STDOUT: }
    157. 

  157. // CHECK:STDOUT:
    158. 

  158. // CHECK:STDOUT: class @Class {
    159. 

  159. // CHECK:STDOUT:   %Class.F.decl: %Class.F.type = fn_decl @Class.F [concrete = constants.%Class.F] {
    160. 

  160. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    161. 

  161. // CHECK:STDOUT:     %self.param_patt: %pattern_type.761 = value_param_pattern %self.patt, call_param0 [concrete]
    162. 

  162. // CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
    163. 

  163. // CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
    164. 

  164. // CHECK:STDOUT:   } {
    165. 

  165. // CHECK:STDOUT:     %int_32.loc5: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    166. 

  166. // CHECK:STDOUT:     %i32.loc5: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    167. 

  167. // CHECK:STDOUT:     %self.param.loc5: %Class = value_param call_param0
    168. 

  168. // CHECK:STDOUT:     %Self.ref.loc5: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    169. 

  169. // CHECK:STDOUT:     %self.loc5: %Class = bind_name self, %self.param.loc5
    170. 

  170. // CHECK:STDOUT:     %return.param.loc5: ref %i32 = out_param call_param1
    171. 

  171. // CHECK:STDOUT:     %return.loc5: ref %i32 = return_slot %return.param.loc5
    172. 

  172. // CHECK:STDOUT:   }
    173. 

  173. // CHECK:STDOUT:   %Class.G.decl: %Class.G.type = fn_decl @Class.G [concrete = constants.%Class.G] {
    174. 

  174. // CHECK:STDOUT:     %self.patt: %pattern_type.796 = binding_pattern self [concrete]
    175. 

  175. // CHECK:STDOUT:     %self.param_patt: %pattern_type.796 = value_param_pattern %self.patt, call_param0 [concrete]
    176. 

  176. // CHECK:STDOUT:     %.loc15_12: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    177. 

  177. // CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
    178. 

  178. // CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
    179. 

  179. // CHECK:STDOUT:   } {
    180. 

  180. // CHECK:STDOUT:     %int_32.loc6: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    181. 

  181. // CHECK:STDOUT:     %i32.loc6: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    182. 

  182. // CHECK:STDOUT:     %self.param.loc6: %ptr.e71 = value_param call_param0
    183. 

  183. // CHECK:STDOUT:     %.loc6: type = splice_block %ptr.loc6 [concrete = constants.%ptr.e71] {
    184. 

  184. // CHECK:STDOUT:       %Self.ref.loc6: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    185. 

  185. // CHECK:STDOUT:       %ptr.loc6: type = ptr_type %Self.ref.loc6 [concrete = constants.%ptr.e71]
    186. 

  186. // CHECK:STDOUT:     }
    187. 

  187. // CHECK:STDOUT:     %self.loc6: %ptr.e71 = bind_name self, %self.param.loc6
    188. 

  188. // CHECK:STDOUT:     %return.param.loc6: ref %i32 = out_param call_param1
    189. 

  189. // CHECK:STDOUT:     %return.loc6: ref %i32 = return_slot %return.param.loc6
    190. 

  190. // CHECK:STDOUT:   }
    191. 

  191. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    192. 

  192. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    193. 

  193. // CHECK:STDOUT:   %.loc8: %Class.elem = field_decl n, element0 [concrete]
    194. 

  194. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    195. 

  195. // CHECK:STDOUT:   impl_decl @Class.as.Destroy.impl [concrete] {} {}
    196. 

  196. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@Class.as.Destroy.impl.%Class.as.Destroy.impl.Op.decl), @Class.as.Destroy.impl [concrete]
    197. 

  197. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness]
    198. 

  198. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.n [concrete = constants.%complete_type.54b]
    199. 

  199. // CHECK:STDOUT:   complete_type_witness = %complete_type
    200. 

  200. // CHECK:STDOUT:
    201. 

  201. // CHECK:STDOUT: !members:
    202. 

  202. // CHECK:STDOUT:   .Self = constants.%Class
    203. 

  203. // CHECK:STDOUT:   .F = %Class.F.decl
    204. 

  204. // CHECK:STDOUT:   .G = %Class.G.decl
    205. 

  205. // CHECK:STDOUT:   .n = %.loc8
    206. 

  206. // CHECK:STDOUT: }
    207. 

  207. // CHECK:STDOUT:
    208. 

  208. // CHECK:STDOUT: fn @Class.F(%self.param.loc11: %Class) -> %i32 {
    209. 

  209. // CHECK:STDOUT: !entry:
    210. 

  210. // CHECK:STDOUT:   %self.ref: %Class = name_ref self, %self.loc11
    211. 

  211. // CHECK:STDOUT:   %n.ref: %Class.elem = name_ref n, @Class.%.loc8 [concrete = @Class.%.loc8]
    212. 

  212. // CHECK:STDOUT:   %.loc12_14.1: ref %i32 = class_element_access %self.ref, element0
    213. 

  213. // CHECK:STDOUT:   %.loc12_14.2: %i32 = bind_value %.loc12_14.1
    214. 

  214. // CHECK:STDOUT:   %impl.elem0: %.3c4 = impl_witness_access constants.%Copy.impl_witness.f0b, element0 [concrete = constants.%Int.as.Copy.impl.Op.87e]
    215. 

  215. // CHECK:STDOUT:   %bound_method.loc12_14.1: <bound method> = bound_method %.loc12_14.2, %impl.elem0
    216. 

  216. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
    217. 

  217. // CHECK:STDOUT:   %bound_method.loc12_14.2: <bound method> = bound_method %.loc12_14.2, %specific_fn
    218. 

  218. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc12_14.2(%.loc12_14.2)
    219. 

  219. // CHECK:STDOUT:   return %Int.as.Copy.impl.Op.call to %return.loc11
    220. 

  220. // CHECK:STDOUT: }
    221. 

  221. // CHECK:STDOUT:
    222. 

  222. // CHECK:STDOUT: fn @Class.G(%self.param.loc15: %ptr.e71) -> %i32 {
    223. 

  223. // CHECK:STDOUT: !entry:
    224. 

  224. // CHECK:STDOUT:   %self.ref: %ptr.e71 = name_ref self, %self.loc15
    225. 

  225. // CHECK:STDOUT:   %.loc16_11: ref %Class = deref %self.ref
    226. 

  226. // CHECK:STDOUT:   %n.ref: %Class.elem = name_ref n, @Class.%.loc8 [concrete = @Class.%.loc8]
    227. 

  227. // CHECK:STDOUT:   %.loc16_17.1: ref %i32 = class_element_access %.loc16_11, element0
    228. 

  228. // CHECK:STDOUT:   %.loc16_17.2: %i32 = bind_value %.loc16_17.1
    229. 

  229. // CHECK:STDOUT:   %impl.elem0: %.3c4 = impl_witness_access constants.%Copy.impl_witness.f0b, element0 [concrete = constants.%Int.as.Copy.impl.Op.87e]
    230. 

  230. // CHECK:STDOUT:   %bound_method.loc16_17.1: <bound method> = bound_method %.loc16_17.2, %impl.elem0
    231. 

  231. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
    232. 

  232. // CHECK:STDOUT:   %bound_method.loc16_17.2: <bound method> = bound_method %.loc16_17.2, %specific_fn
    233. 

  233. // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc16_17.2(%.loc16_17.2)
    234. 

  234. // CHECK:STDOUT:   return %Int.as.Copy.impl.Op.call to %return.loc15
    235. 

  235. // CHECK:STDOUT: }
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT: fn @Class.as.Destroy.impl.Op(%self.param: %ptr.e71) = "no_op";
    238. 

  238. // CHECK:STDOUT:
    239. 

  239. // CHECK:STDOUT: --- fail_return_self_value.carbon
    240. 

  240. // CHECK:STDOUT:
    241. 

  241. // CHECK:STDOUT: constants {
    242. 

  242. // CHECK:STDOUT:   %Class: type = class_type @Class [concrete]
    243. 

  243. // CHECK:STDOUT:   %pattern_type.761: type = pattern_type %Class [concrete]
    244. 

  244. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    245. 

  245. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    246. 

  246. // CHECK:STDOUT:   %Class.F.type: type = fn_type @Class.F [concrete]
    247. 

  247. // CHECK:STDOUT:   %Class.F: %Class.F.type = struct_value () [concrete]
    248. 

  248. // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
    249. 

  249. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    250. 

  250. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @Class.%Destroy.impl_witness_table [concrete]
    251. 

  251. // CHECK:STDOUT:   %ptr.e71: type = ptr_type %Class [concrete]
    252. 

  252. // CHECK:STDOUT:   %pattern_type.796: type = pattern_type %ptr.e71 [concrete]
    253. 

  253. // CHECK:STDOUT:   %Class.as.Destroy.impl.Op.type: type = fn_type @Class.as.Destroy.impl.Op [concrete]
    254. 

  254. // CHECK:STDOUT:   %Class.as.Destroy.impl.Op: %Class.as.Destroy.impl.Op.type = struct_value () [concrete]
    255. 

  255. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    256. 

  256. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    257. 

  257. // CHECK:STDOUT: }
    258. 

  258. // CHECK:STDOUT:
    259. 

  259. // CHECK:STDOUT: imports {
    260. 

  260. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    261. 

  261. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    262. 

  262. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    263. 

  263. // CHECK:STDOUT:     import Core//prelude
    264. 

  264. // CHECK:STDOUT:     import Core//prelude/...
    265. 

  265. // CHECK:STDOUT:   }
    266. 

  266. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    267. 

  267. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    268. 

  268. // CHECK:STDOUT: }
    269. 

  269. // CHECK:STDOUT:
    270. 

  270. // CHECK:STDOUT: file {
    271. 

  271. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    272. 

  272. // CHECK:STDOUT:     .Core = imports.%Core
    273. 

  273. // CHECK:STDOUT:     .Class = %Class.decl
    274. 

  274. // CHECK:STDOUT:   }
    275. 

  275. // CHECK:STDOUT:   %Core.import = import Core
    276. 

  276. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [concrete = constants.%Class] {} {}
    277. 

  277. // CHECK:STDOUT: }
    278. 

  278. // CHECK:STDOUT:
    279. 

  279. // CHECK:STDOUT: impl @Class.as.Destroy.impl: @Class.%Self.ref as constants.%Destroy.type {
    280. 

  280. // CHECK:STDOUT:   %Class.as.Destroy.impl.Op.decl: %Class.as.Destroy.impl.Op.type = fn_decl @Class.as.Destroy.impl.Op [concrete = constants.%Class.as.Destroy.impl.Op] {
    281. 

  281. // CHECK:STDOUT:     %self.patt: %pattern_type.796 = binding_pattern self [concrete]
    282. 

  282. // CHECK:STDOUT:     %self.param_patt: %pattern_type.796 = value_param_pattern %self.patt, call_param0 [concrete]
    283. 

  283. // CHECK:STDOUT:     %.loc4: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    284. 

  284. // CHECK:STDOUT:   } {
    285. 

  285. // CHECK:STDOUT:     %self.param: %ptr.e71 = value_param call_param0
    286. 

  286. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    287. 

  287. // CHECK:STDOUT:     %self: %ptr.e71 = bind_name self, %self.param
    288. 

  288. // CHECK:STDOUT:   }
    289. 

  289. // CHECK:STDOUT:
    290. 

  290. // CHECK:STDOUT: !members:
    291. 

  291. // CHECK:STDOUT:   .Op = %Class.as.Destroy.impl.Op.decl
    292. 

  292. // CHECK:STDOUT:   witness = @Class.%Destroy.impl_witness
    293. 

  293. // CHECK:STDOUT: }
    294. 

  294. // CHECK:STDOUT:
    295. 

  295. // CHECK:STDOUT: class @Class {
    296. 

  296. // CHECK:STDOUT:   %Class.F.decl: %Class.F.type = fn_decl @Class.F [concrete = constants.%Class.F] {
    297. 

  297. // CHECK:STDOUT:     %self.patt: %pattern_type.761 = binding_pattern self [concrete]
    298. 

  298. // CHECK:STDOUT:     %self.param_patt: %pattern_type.761 = value_param_pattern %self.patt, call_param0 [concrete]
    299. 

  299. // CHECK:STDOUT:     %return.patt: <error> = return_slot_pattern [concrete]
    300. 

  300. // CHECK:STDOUT:     %return.param_patt: <error> = out_param_pattern %return.patt, call_param1 [concrete]
    301. 

  301. // CHECK:STDOUT:   } {
    302. 

  302. // CHECK:STDOUT:     %self.ref: %Class = name_ref self, %self
    303. 

  303. // CHECK:STDOUT:     %.loc12: type = converted %self.ref, <error> [concrete = <error>]
    304. 

  304. // CHECK:STDOUT:     %self.param: %Class = value_param call_param0
    305. 

  305. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    306. 

  306. // CHECK:STDOUT:     %self: %Class = bind_name self, %self.param
    307. 

  307. // CHECK:STDOUT:     %return.param: ref <error> = out_param call_param1
    308. 

  308. // CHECK:STDOUT:     %return: ref <error> = return_slot %return.param
    309. 

  309. // CHECK:STDOUT:   }
    310. 

  310. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Class [concrete = constants.%Class]
    311. 

  311. // CHECK:STDOUT:   impl_decl @Class.as.Destroy.impl [concrete] {} {}
    312. 

  312. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@Class.as.Destroy.impl.%Class.as.Destroy.impl.Op.decl), @Class.as.Destroy.impl [concrete]
    313. 

  313. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness]
    314. 

  314. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    315. 

  315. // CHECK:STDOUT:   complete_type_witness = %complete_type
    316. 

  316. // CHECK:STDOUT:
    317. 

  317. // CHECK:STDOUT: !members:
    318. 

  318. // CHECK:STDOUT:   .Self = constants.%Class
    319. 

  319. // CHECK:STDOUT:   .F = %Class.F.decl
    320. 

  320. // CHECK:STDOUT: }
    321. 

  321. // CHECK:STDOUT:
    322. 

  322. // CHECK:STDOUT: fn @Class.F(%self.param: %Class) -> <error>;
    323. 

  323. // CHECK:STDOUT:
    324. 

  324. // CHECK:STDOUT: fn @Class.as.Destroy.impl.Op(%self.param: %ptr.e71) = "no_op";
    325. 

  325. // CHECK:STDOUT:
    326.