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deduce_nested_facet_value.carbon

deduce_nested_facet_value.carbon 18 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/convert.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/function/generic/deduce_nested_facet_value.carbon
    12. 

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

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/generic/deduce_nested_facet_value.carbon
    14. 

  14. 

  15. // --- deduce_nested_facet_value.carbon
    16. 

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

  17. 

  18. interface Y {}
    19. 

  19. interface W {}
    20. 

  20. 

  21. // DD implements both Y and W.
    22. 

  22. class DD {}
    23. 

  23. impl DD as Y {}
    24. 

  24. impl DD as W {}
    25. 

  25. 

  26. // CC requires D to implement Y.
    27. 

  27. class CC(D:! Y) {}
    28. 

  28. 

  29. interface Z {}
    30. 

  30. 

  31. // The `D` interface provides `Y` but not `W`, so we need to see that the
    32. 

  32. // parameter to `CC` is `DD` which provides `Y & W`, not just a FacetValue
    33. 

  33. // abstractly providing `Y.
    34. 

  34. impl forall [E:! Y & W] CC(E) as Z {}
    35. 

  35. 

  36. fn F() {
    37. 

  37.   (CC(DD)) as Z;
    38. 

  38. }
    39. 

  39. 

  40. // CHECK:STDOUT: --- deduce_nested_facet_value.carbon
    41. 

  41. // CHECK:STDOUT:
    42. 

  42. // CHECK:STDOUT: constants {
    43. 

  43. // CHECK:STDOUT:   %Y.type: type = facet_type <@Y> [concrete]
    44. 

  44. // CHECK:STDOUT:   %Self.162: %Y.type = symbolic_binding Self, 0 [symbolic]
    45. 

  45. // CHECK:STDOUT:   %W.type: type = facet_type <@W> [concrete]
    46. 

  46. // CHECK:STDOUT:   %Self.62a: %W.type = symbolic_binding Self, 0 [symbolic]
    47. 

  47. // CHECK:STDOUT:   %DD: type = class_type @DD [concrete]
    48. 

  48. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    49. 

  49. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    50. 

  50. // CHECK:STDOUT:   %Y.impl_witness: <witness> = impl_witness @DD.as.Y.impl.%Y.impl_witness_table [concrete]
    51. 

  51. // CHECK:STDOUT:   %Y.facet.215: %Y.type = facet_value %DD, (%Y.impl_witness) [concrete]
    52. 

  52. // CHECK:STDOUT:   %W.impl_witness: <witness> = impl_witness @DD.as.W.impl.%W.impl_witness_table [concrete]
    53. 

  53. // CHECK:STDOUT:   %W.facet: %W.type = facet_value %DD, (%W.impl_witness) [concrete]
    54. 

  54. // CHECK:STDOUT:   %type: type = facet_type <type> [concrete]
    55. 

  55. // CHECK:STDOUT:   %.Self: %type = symbolic_binding .Self [symbolic_self]
    56. 

  56. // CHECK:STDOUT:   %pattern_type.95b: type = pattern_type %Y.type [concrete]
    57. 

  57. // CHECK:STDOUT:   %D: %Y.type = symbolic_binding D, 0 [symbolic]
    58. 

  58. // CHECK:STDOUT:   %CC.type: type = generic_class_type @CC [concrete]
    59. 

  59. // CHECK:STDOUT:   %CC.generic: %CC.type = struct_value () [concrete]
    60. 

  60. // CHECK:STDOUT:   %CC.fe5: type = class_type @CC, @CC(%D) [symbolic]
    61. 

  61. // CHECK:STDOUT:   %Z.type: type = facet_type <@Z> [concrete]
    62. 

  62. // CHECK:STDOUT:   %Self.c59: %Z.type = symbolic_binding Self, 0 [symbolic]
    63. 

  63. // CHECK:STDOUT:   %BitAndWith.type.f2e: type = generic_interface_type @BitAndWith [concrete]
    64. 

  64. // CHECK:STDOUT:   %BitAndWith.generic: %BitAndWith.type.f2e = struct_value () [concrete]
    65. 

  65. // CHECK:STDOUT:   %BitAndWith.type.b10: type = facet_type <@BitAndWith, @BitAndWith(type)> [concrete]
    66. 

  66. // CHECK:STDOUT:   %BitAndWith.impl_witness: <witness> = impl_witness imports.%BitAndWith.impl_witness_table [concrete]
    67. 

  67. // CHECK:STDOUT:   %BitAndWith.facet: %BitAndWith.type.b10 = facet_value type, (%BitAndWith.impl_witness) [concrete]
    68. 

  68. // CHECK:STDOUT:   %BitAndWith.WithSelf.Op.type.4bd: type = fn_type @BitAndWith.WithSelf.Op, @BitAndWith.WithSelf(type, %BitAndWith.facet) [concrete]
    69. 

  69. // CHECK:STDOUT:   %.d15: type = fn_type_with_self_type %BitAndWith.WithSelf.Op.type.4bd, %BitAndWith.facet [concrete]
    70. 

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

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

  72. // CHECK:STDOUT:   %type.as.BitAndWith.impl.Op.bound: <bound method> = bound_method %Y.type, %type.as.BitAndWith.impl.Op [concrete]
    73. 

  73. // CHECK:STDOUT:   %facet_type: type = facet_type <@Y & @W> [concrete]
    74. 

  74. // CHECK:STDOUT:   %pattern_type.935: type = pattern_type %facet_type [concrete]
    75. 

  75. // CHECK:STDOUT:   %E: %facet_type = symbolic_binding E, 0 [symbolic]
    76. 

  76. // CHECK:STDOUT:   %E.binding.as_type: type = symbolic_binding_type E, 0, %E [symbolic]
    77. 

  77. // CHECK:STDOUT:   %Y.lookup_impl_witness: <witness> = lookup_impl_witness %E, @Y [symbolic]
    78. 

  78. // CHECK:STDOUT:   %Y.facet.9df: %Y.type = facet_value %E.binding.as_type, (%Y.lookup_impl_witness) [symbolic]
    79. 

  79. // CHECK:STDOUT:   %CC.dc2: type = class_type @CC, @CC(%Y.facet.9df) [symbolic]
    80. 

  80. // CHECK:STDOUT:   %Z.impl_witness.506: <witness> = impl_witness @CC.as.Z.impl.%Z.impl_witness_table, @CC.as.Z.impl(%E) [symbolic]
    81. 

  81. // CHECK:STDOUT:   %Z.facet.8c4: %Z.type = facet_value %CC.dc2, (%Z.impl_witness.506) [symbolic]
    82. 

  82. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    83. 

  83. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    84. 

  84. // CHECK:STDOUT:   %CC.062: type = class_type @CC, @CC(%Y.facet.215) [concrete]
    85. 

  85. // CHECK:STDOUT:   %facet_value: %facet_type = facet_value %DD, (%Y.impl_witness, %W.impl_witness) [concrete]
    86. 

  86. // CHECK:STDOUT:   %Z.impl_witness.c39: <witness> = impl_witness @CC.as.Z.impl.%Z.impl_witness_table, @CC.as.Z.impl(%facet_value) [concrete]
    87. 

  87. // CHECK:STDOUT:   %Z.facet.d22: %Z.type = facet_value %CC.062, (%Z.impl_witness.c39) [concrete]
    88. 

  88. // CHECK:STDOUT: }
    89. 

  89. // CHECK:STDOUT:
    90. 

  90. // CHECK:STDOUT: imports {
    91. 

  91. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    92. 

  92. // CHECK:STDOUT:     .BitAndWith = %Core.BitAndWith
    93. 

  93. // CHECK:STDOUT:     import Core//prelude
    94. 

  94. // CHECK:STDOUT:     import Core//prelude/...
    95. 

  95. // CHECK:STDOUT:   }
    96. 

  96. // CHECK:STDOUT:   %Core.BitAndWith: %BitAndWith.type.f2e = import_ref Core//prelude/parts/as, BitAndWith, loaded [concrete = constants.%BitAndWith.generic]
    97. 

  97. // CHECK:STDOUT:   %Core.import_ref.8d3: %type.as.BitAndWith.impl.Op.type = import_ref Core//prelude/parts/as, loc{{\d+_\d+}}, loaded [concrete = constants.%type.as.BitAndWith.impl.Op]
    98. 

  98. // CHECK:STDOUT:   %BitAndWith.impl_witness_table = impl_witness_table (%Core.import_ref.8d3), @type.as.BitAndWith.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:     .Y = %Y.decl
    105. 

  105. // CHECK:STDOUT:     .W = %W.decl
    106. 

  106. // CHECK:STDOUT:     .DD = %DD.decl
    107. 

  107. // CHECK:STDOUT:     .CC = %CC.decl
    108. 

  108. // CHECK:STDOUT:     .Z = %Z.decl
    109. 

  109. // CHECK:STDOUT:     .F = %F.decl
    110. 

  110. // CHECK:STDOUT:   }
    111. 

  111. // CHECK:STDOUT:   %Core.import = import Core
    112. 

  112. // CHECK:STDOUT:   %Y.decl: type = interface_decl @Y [concrete = constants.%Y.type] {} {}
    113. 

  113. // CHECK:STDOUT:   %W.decl: type = interface_decl @W [concrete = constants.%W.type] {} {}
    114. 

  114. // CHECK:STDOUT:   %DD.decl: type = class_decl @DD [concrete = constants.%DD] {} {}
    115. 

  115. // CHECK:STDOUT:   impl_decl @DD.as.Y.impl [concrete] {} {
    116. 

  116. // CHECK:STDOUT:     %DD.ref: type = name_ref DD, file.%DD.decl [concrete = constants.%DD]
    117. 

  117. // CHECK:STDOUT:     %Y.ref: type = name_ref Y, file.%Y.decl [concrete = constants.%Y.type]
    118. 

  118. // CHECK:STDOUT:   }
    119. 

  119. // CHECK:STDOUT:   impl_decl @DD.as.W.impl [concrete] {} {
    120. 

  120. // CHECK:STDOUT:     %DD.ref: type = name_ref DD, file.%DD.decl [concrete = constants.%DD]
    121. 

  121. // CHECK:STDOUT:     %W.ref: type = name_ref W, file.%W.decl [concrete = constants.%W.type]
    122. 

  122. // CHECK:STDOUT:   }
    123. 

  123. // CHECK:STDOUT:   %CC.decl: %CC.type = class_decl @CC [concrete = constants.%CC.generic] {
    124. 

  124. // CHECK:STDOUT:     %D.patt: %pattern_type.95b = symbolic_binding_pattern D, 0 [concrete]
    125. 

  125. // CHECK:STDOUT:   } {
    126. 

  126. // CHECK:STDOUT:     %.loc12: type = splice_block %Y.ref [concrete = constants.%Y.type] {
    127. 

  127. // CHECK:STDOUT:       %.Self: %type = symbolic_binding .Self [symbolic_self = constants.%.Self]
    128. 

  128. // CHECK:STDOUT:       %Y.ref: type = name_ref Y, file.%Y.decl [concrete = constants.%Y.type]
    129. 

  129. // CHECK:STDOUT:     }
    130. 

  130. // CHECK:STDOUT:     %D.loc12_10.2: %Y.type = symbolic_binding D, 0 [symbolic = %D.loc12_10.1 (constants.%D)]
    131. 

  131. // CHECK:STDOUT:   }
    132. 

  132. // CHECK:STDOUT:   %Z.decl: type = interface_decl @Z [concrete = constants.%Z.type] {} {}
    133. 

  133. // CHECK:STDOUT:   impl_decl @CC.as.Z.impl [concrete] {
    134. 

  134. // CHECK:STDOUT:     %E.patt: %pattern_type.935 = symbolic_binding_pattern E, 0 [concrete]
    135. 

  135. // CHECK:STDOUT:   } {
    136. 

  136. // CHECK:STDOUT:     %CC.ref: %CC.type = name_ref CC, file.%CC.decl [concrete = constants.%CC.generic]
    137. 

  137. // CHECK:STDOUT:     %E.ref: %facet_type = name_ref E, %E.loc19_14.1 [symbolic = %E.loc19_14.2 (constants.%E)]
    138. 

  138. // CHECK:STDOUT:     %E.as_type: type = facet_access_type %E.ref [symbolic = %E.binding.as_type (constants.%E.binding.as_type)]
    139. 

  139. // CHECK:STDOUT:     %Y.facet.loc19_29.1: %Y.type = facet_value %E.as_type, (constants.%Y.lookup_impl_witness) [symbolic = %Y.facet.loc19_29.2 (constants.%Y.facet.9df)]
    140. 

  140. // CHECK:STDOUT:     %.loc19_29: %Y.type = converted %E.ref, %Y.facet.loc19_29.1 [symbolic = %Y.facet.loc19_29.2 (constants.%Y.facet.9df)]
    141. 

  141. // CHECK:STDOUT:     %CC.loc19_29.1: type = class_type @CC, @CC(constants.%Y.facet.9df) [symbolic = %CC.loc19_29.2 (constants.%CC.dc2)]
    142. 

  142. // CHECK:STDOUT:     %Z.ref: type = name_ref Z, file.%Z.decl [concrete = constants.%Z.type]
    143. 

  143. // CHECK:STDOUT:     %.loc19_20.1: type = splice_block %.loc19_20.3 [concrete = constants.%facet_type] {
    144. 

  144. // CHECK:STDOUT:       %.Self: %type = symbolic_binding .Self [symbolic_self = constants.%.Self]
    145. 

  145. // CHECK:STDOUT:       %Y.ref: type = name_ref Y, file.%Y.decl [concrete = constants.%Y.type]
    146. 

  146. // CHECK:STDOUT:       %W.ref: type = name_ref W, file.%W.decl [concrete = constants.%W.type]
    147. 

  147. // CHECK:STDOUT:       %impl.elem0: %.d15 = impl_witness_access constants.%BitAndWith.impl_witness, element0 [concrete = constants.%type.as.BitAndWith.impl.Op]
    148. 

  148. // CHECK:STDOUT:       %bound_method: <bound method> = bound_method %Y.ref, %impl.elem0 [concrete = constants.%type.as.BitAndWith.impl.Op.bound]
    149. 

  149. // CHECK:STDOUT:       %type.as.BitAndWith.impl.Op.call: init type = call %bound_method(%Y.ref, %W.ref) [concrete = constants.%facet_type]
    150. 

  150. // CHECK:STDOUT:       %.loc19_20.2: type = value_of_initializer %type.as.BitAndWith.impl.Op.call [concrete = constants.%facet_type]
    151. 

  151. // CHECK:STDOUT:       %.loc19_20.3: type = converted %type.as.BitAndWith.impl.Op.call, %.loc19_20.2 [concrete = constants.%facet_type]
    152. 

  152. // CHECK:STDOUT:     }
    153. 

  153. // CHECK:STDOUT:     %E.loc19_14.1: %facet_type = symbolic_binding E, 0 [symbolic = %E.loc19_14.2 (constants.%E)]
    154. 

  154. // CHECK:STDOUT:   }
    155. 

  155. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    156. 

  156. // CHECK:STDOUT: }
    157. 

  157. // CHECK:STDOUT:
    158. 

  158. // CHECK:STDOUT: interface @Y {
    159. 

  159. // CHECK:STDOUT:   %Self: %Y.type = symbolic_binding Self, 0 [symbolic = constants.%Self.162]
    160. 

  160. // CHECK:STDOUT:   %Y.WithSelf.decl = interface_with_self_decl @Y [concrete]
    161. 

  161. // CHECK:STDOUT:
    162. 

  162. // CHECK:STDOUT: !members:
    163. 

  163. // CHECK:STDOUT:   .Self = %Self
    164. 

  164. // CHECK:STDOUT:   witness = ()
    165. 

  165. // CHECK:STDOUT:
    166. 

  166. // CHECK:STDOUT: !requires:
    167. 

  167. // CHECK:STDOUT: }
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: interface @W {
    170. 

  170. // CHECK:STDOUT:   %Self: %W.type = symbolic_binding Self, 0 [symbolic = constants.%Self.62a]
    171. 

  171. // CHECK:STDOUT:   %W.WithSelf.decl = interface_with_self_decl @W [concrete]
    172. 

  172. // CHECK:STDOUT:
    173. 

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

  174. // CHECK:STDOUT:   .Self = %Self
    175. 

  175. // CHECK:STDOUT:   witness = ()
    176. 

  176. // CHECK:STDOUT:
    177. 

  177. // CHECK:STDOUT: !requires:
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: interface @Z {
    181. 

  181. // CHECK:STDOUT:   %Self: %Z.type = symbolic_binding Self, 0 [symbolic = constants.%Self.c59]
    182. 

  182. // CHECK:STDOUT:   %Z.WithSelf.decl = interface_with_self_decl @Z [concrete]
    183. 

  183. // CHECK:STDOUT:
    184. 

  184. // CHECK:STDOUT: !members:
    185. 

  185. // CHECK:STDOUT:   .Self = %Self
    186. 

  186. // CHECK:STDOUT:   witness = ()
    187. 

  187. // CHECK:STDOUT:
    188. 

  188. // CHECK:STDOUT: !requires:
    189. 

  189. // CHECK:STDOUT: }
    190. 

  190. // CHECK:STDOUT:
    191. 

  191. // CHECK:STDOUT: impl @DD.as.Y.impl: %DD.ref as %Y.ref {
    192. 

  192. // CHECK:STDOUT:   %Y.impl_witness_table = impl_witness_table (), @DD.as.Y.impl [concrete]
    193. 

  193. // CHECK:STDOUT:   %Y.impl_witness: <witness> = impl_witness %Y.impl_witness_table [concrete = constants.%Y.impl_witness]
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: !members:
    196. 

  196. // CHECK:STDOUT:   witness = %Y.impl_witness
    197. 

  197. // CHECK:STDOUT: }
    198. 

  198. // CHECK:STDOUT:
    199. 

  199. // CHECK:STDOUT: impl @DD.as.W.impl: %DD.ref as %W.ref {
    200. 

  200. // CHECK:STDOUT:   %W.impl_witness_table = impl_witness_table (), @DD.as.W.impl [concrete]
    201. 

  201. // CHECK:STDOUT:   %W.impl_witness: <witness> = impl_witness %W.impl_witness_table [concrete = constants.%W.impl_witness]
    202. 

  202. // CHECK:STDOUT:
    203. 

  203. // CHECK:STDOUT: !members:
    204. 

  204. // CHECK:STDOUT:   witness = %W.impl_witness
    205. 

  205. // CHECK:STDOUT: }
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: generic impl @CC.as.Z.impl(%E.loc19_14.1: %facet_type) {
    208. 

  208. // CHECK:STDOUT:   %E.loc19_14.2: %facet_type = symbolic_binding E, 0 [symbolic = %E.loc19_14.2 (constants.%E)]
    209. 

  209. // CHECK:STDOUT:   %E.binding.as_type: type = symbolic_binding_type E, 0, %E.loc19_14.2 [symbolic = %E.binding.as_type (constants.%E.binding.as_type)]
    210. 

  210. // CHECK:STDOUT:   %Y.lookup_impl_witness: <witness> = lookup_impl_witness %E.loc19_14.2, @Y [symbolic = %Y.lookup_impl_witness (constants.%Y.lookup_impl_witness)]
    211. 

  211. // CHECK:STDOUT:   %Y.facet.loc19_29.2: %Y.type = facet_value %E.binding.as_type, (%Y.lookup_impl_witness) [symbolic = %Y.facet.loc19_29.2 (constants.%Y.facet.9df)]
    212. 

  212. // CHECK:STDOUT:   %CC.loc19_29.2: type = class_type @CC, @CC(%Y.facet.loc19_29.2) [symbolic = %CC.loc19_29.2 (constants.%CC.dc2)]
    213. 

  213. // CHECK:STDOUT:   %Z.impl_witness.loc19_36.2: <witness> = impl_witness %Z.impl_witness_table, @CC.as.Z.impl(%E.loc19_14.2) [symbolic = %Z.impl_witness.loc19_36.2 (constants.%Z.impl_witness.506)]
    214. 

  214. // CHECK:STDOUT:
    215. 

  215. // CHECK:STDOUT: !definition:
    216. 

  216. // CHECK:STDOUT:
    217. 

  217. // CHECK:STDOUT:   impl: %CC.loc19_29.1 as %Z.ref {
    218. 

  218. // CHECK:STDOUT:     %Z.impl_witness_table = impl_witness_table (), @CC.as.Z.impl [concrete]
    219. 

  219. // CHECK:STDOUT:     %Z.impl_witness.loc19_36.1: <witness> = impl_witness %Z.impl_witness_table, @CC.as.Z.impl(constants.%E) [symbolic = %Z.impl_witness.loc19_36.2 (constants.%Z.impl_witness.506)]
    220. 

  220. // CHECK:STDOUT:
    221. 

  221. // CHECK:STDOUT:   !members:
    222. 

  222. // CHECK:STDOUT:     witness = %Z.impl_witness.loc19_36.1
    223. 

  223. // CHECK:STDOUT:   }
    224. 

  224. // CHECK:STDOUT: }
    225. 

  225. // CHECK:STDOUT:
    226. 

  226. // CHECK:STDOUT: class @DD {
    227. 

  227. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    228. 

  228. // CHECK:STDOUT:   complete_type_witness = %complete_type
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: !members:
    231. 

  231. // CHECK:STDOUT:   .Self = constants.%DD
    232. 

  232. // CHECK:STDOUT: }
    233. 

  233. // CHECK:STDOUT:
    234. 

  234. // CHECK:STDOUT: generic class @CC(%D.loc12_10.2: %Y.type) {
    235. 

  235. // CHECK:STDOUT:   %D.loc12_10.1: %Y.type = symbolic_binding D, 0 [symbolic = %D.loc12_10.1 (constants.%D)]
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT: !definition:
    238. 

  238. // CHECK:STDOUT:
    239. 

  239. // CHECK:STDOUT:   class {
    240. 

  240. // CHECK:STDOUT:     %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    241. 

  241. // CHECK:STDOUT:     complete_type_witness = %complete_type
    242. 

  242. // CHECK:STDOUT:
    243. 

  243. // CHECK:STDOUT:   !members:
    244. 

  244. // CHECK:STDOUT:     .Self = constants.%CC.fe5
    245. 

  245. // CHECK:STDOUT:   }
    246. 

  246. // CHECK:STDOUT: }
    247. 

  247. // CHECK:STDOUT:
    248. 

  248. // CHECK:STDOUT: fn @F() {
    249. 

  249. // CHECK:STDOUT: !entry:
    250. 

  250. // CHECK:STDOUT:   %CC.ref: %CC.type = name_ref CC, file.%CC.decl [concrete = constants.%CC.generic]
    251. 

  251. // CHECK:STDOUT:   %DD.ref: type = name_ref DD, file.%DD.decl [concrete = constants.%DD]
    252. 

  252. // CHECK:STDOUT:   %Y.facet: %Y.type = facet_value %DD.ref, (constants.%Y.impl_witness) [concrete = constants.%Y.facet.215]
    253. 

  253. // CHECK:STDOUT:   %.loc22_9: %Y.type = converted %DD.ref, %Y.facet [concrete = constants.%Y.facet.215]
    254. 

  254. // CHECK:STDOUT:   %CC: type = class_type @CC, @CC(constants.%Y.facet.215) [concrete = constants.%CC.062]
    255. 

  255. // CHECK:STDOUT:   %Z.ref: type = name_ref Z, file.%Z.decl [concrete = constants.%Z.type]
    256. 

  256. // CHECK:STDOUT:   %Z.facet: %Z.type = facet_value %CC, (constants.%Z.impl_witness.c39) [concrete = constants.%Z.facet.d22]
    257. 

  257. // CHECK:STDOUT:   %.loc22_12: %Z.type = converted %CC, %Z.facet [concrete = constants.%Z.facet.d22]
    258. 

  258. // CHECK:STDOUT:   return
    259. 

  259. // CHECK:STDOUT: }
    260. 

  260. // CHECK:STDOUT:
    261. 

  261. // CHECK:STDOUT: specific @Y.WithSelf(constants.%Self.162) {
    262. 

  262. // CHECK:STDOUT: !definition:
    263. 

  263. // CHECK:STDOUT: }
    264. 

  264. // CHECK:STDOUT:
    265. 

  265. // CHECK:STDOUT: specific @W.WithSelf(constants.%Self.62a) {
    266. 

  266. // CHECK:STDOUT: !definition:
    267. 

  267. // CHECK:STDOUT: }
    268. 

  268. // CHECK:STDOUT:
    269. 

  269. // CHECK:STDOUT: specific @Y.WithSelf(constants.%Y.facet.215) {
    270. 

  270. // CHECK:STDOUT: !definition:
    271. 

  271. // CHECK:STDOUT: }
    272. 

  272. // CHECK:STDOUT:
    273. 

  273. // CHECK:STDOUT: specific @W.WithSelf(constants.%W.facet) {
    274. 

  274. // CHECK:STDOUT: !definition:
    275. 

  275. // CHECK:STDOUT: }
    276. 

  276. // CHECK:STDOUT:
    277. 

  277. // CHECK:STDOUT: specific @CC(constants.%D) {
    278. 

  278. // CHECK:STDOUT:   %D.loc12_10.1 => constants.%D
    279. 

  279. // CHECK:STDOUT: }
    280. 

  280. // CHECK:STDOUT:
    281. 

  281. // CHECK:STDOUT: specific @Z.WithSelf(constants.%Self.c59) {
    282. 

  282. // CHECK:STDOUT: !definition:
    283. 

  283. // CHECK:STDOUT: }
    284. 

  284. // CHECK:STDOUT:
    285. 

  285. // CHECK:STDOUT: specific @CC(constants.%Y.facet.9df) {
    286. 

  286. // CHECK:STDOUT:   %D.loc12_10.1 => constants.%Y.facet.9df
    287. 

  287. // CHECK:STDOUT: }
    288. 

  288. // CHECK:STDOUT:
    289. 

  289. // CHECK:STDOUT: specific @CC.as.Z.impl(constants.%E) {
    290. 

  290. // CHECK:STDOUT:   %E.loc19_14.2 => constants.%E
    291. 

  291. // CHECK:STDOUT:   %E.binding.as_type => constants.%E.binding.as_type
    292. 

  292. // CHECK:STDOUT:   %Y.lookup_impl_witness => constants.%Y.lookup_impl_witness
    293. 

  293. // CHECK:STDOUT:   %Y.facet.loc19_29.2 => constants.%Y.facet.9df
    294. 

  294. // CHECK:STDOUT:   %CC.loc19_29.2 => constants.%CC.dc2
    295. 

  295. // CHECK:STDOUT:   %Z.impl_witness.loc19_36.2 => constants.%Z.impl_witness.506
    296. 

  296. // CHECK:STDOUT: }
    297. 

  297. // CHECK:STDOUT:
    298. 

  298. // CHECK:STDOUT: specific @Z.WithSelf(constants.%Z.facet.8c4) {
    299. 

  299. // CHECK:STDOUT: !definition:
    300. 

  300. // CHECK:STDOUT: }
    301. 

  301. // CHECK:STDOUT:
    302. 

  302. // CHECK:STDOUT: specific @CC(constants.%Y.facet.215) {
    303. 

  303. // CHECK:STDOUT:   %D.loc12_10.1 => constants.%Y.facet.215
    304. 

  304. // CHECK:STDOUT: }
    305. 

  305. // CHECK:STDOUT:
    306. 

  306. // CHECK:STDOUT: specific @CC.as.Z.impl(constants.%facet_value) {
    307. 

  307. // CHECK:STDOUT:   %E.loc19_14.2 => constants.%facet_value
    308. 

  308. // CHECK:STDOUT:   %E.binding.as_type => constants.%DD
    309. 

  309. // CHECK:STDOUT:   %Y.lookup_impl_witness => constants.%Y.impl_witness
    310. 

  310. // CHECK:STDOUT:   %Y.facet.loc19_29.2 => constants.%Y.facet.215
    311. 

  311. // CHECK:STDOUT:   %CC.loc19_29.2 => constants.%CC.062
    312. 

  312. // CHECK:STDOUT:   %Z.impl_witness.loc19_36.2 => constants.%Z.impl_witness.c39
    313. 

  313. // CHECK:STDOUT:
    314. 

  314. // CHECK:STDOUT: !definition:
    315. 

  315. // CHECK:STDOUT: }
    316. 

  316. // CHECK:STDOUT:
    317.