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convert_facet_value_to_itself.carbon

convert_facet_value_to_itself.carbon 12 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. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    6. 

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

  7. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
    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/facet/convert_facet_value_to_itself.carbon
    12. 

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

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

  14. 

  15. interface Animal {}
    16. 

  16. 

  17. fn FeedAnimal(T:! Animal) {}
    18. 

  18. 

  19. fn HandleAnimal(T:! Animal) { FeedAnimal(T); }
    20. 

  20. 

  21. class Goat {}
    22. 

  22. impl Goat as Animal {}
    23. 

  23. 

  24. fn F() {
    25. 

  25.   HandleAnimal(Goat);
    26. 

  26. }
    27. 

  27. 

  28. // CHECK:STDOUT: --- convert_facet_value_to_itself.carbon
    29. 

  29. // CHECK:STDOUT:
    30. 

  30. // CHECK:STDOUT: constants {
    31. 

  31. // CHECK:STDOUT:   %Animal.type: type = facet_type <@Animal> [concrete]
    32. 

  32. // CHECK:STDOUT:   %Self.a8c: %Animal.type = bind_symbolic_name Self, 0 [symbolic]
    33. 

  33. // CHECK:STDOUT:   %.Self: type = bind_symbolic_name .Self [symbolic_self]
    34. 

  34. // CHECK:STDOUT:   %T: %Animal.type = bind_symbolic_name T, 0 [symbolic]
    35. 

  35. // CHECK:STDOUT:   %pattern_type.bd6: type = pattern_type %Animal.type [concrete]
    36. 

  36. // CHECK:STDOUT:   %FeedAnimal.type: type = fn_type @FeedAnimal [concrete]
    37. 

  37. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    38. 

  38. // CHECK:STDOUT:   %FeedAnimal: %FeedAnimal.type = struct_value () [concrete]
    39. 

  39. // CHECK:STDOUT:   %HandleAnimal.type: type = fn_type @HandleAnimal [concrete]
    40. 

  40. // CHECK:STDOUT:   %HandleAnimal: %HandleAnimal.type = struct_value () [concrete]
    41. 

  41. // CHECK:STDOUT:   %FeedAnimal.specific_fn.c90: <specific function> = specific_function %FeedAnimal, @FeedAnimal(%T) [symbolic]
    42. 

  42. // CHECK:STDOUT:   %Goat: type = class_type @Goat [concrete]
    43. 

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

  44. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    45. 

  45. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @Goat.%Destroy.impl_witness_table [concrete]
    46. 

  46. // CHECK:STDOUT:   %ptr.940: type = ptr_type %Goat [concrete]
    47. 

  47. // CHECK:STDOUT:   %pattern_type.396: type = pattern_type %ptr.940 [concrete]
    48. 

  48. // CHECK:STDOUT:   %Goat.as.Destroy.impl.Op.type: type = fn_type @Goat.as.Destroy.impl.Op [concrete]
    49. 

  49. // CHECK:STDOUT:   %Goat.as.Destroy.impl.Op: %Goat.as.Destroy.impl.Op.type = struct_value () [concrete]
    50. 

  50. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    51. 

  51. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    52. 

  52. // CHECK:STDOUT:   %Animal.impl_witness: <witness> = impl_witness file.%Animal.impl_witness_table [concrete]
    53. 

  53. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    54. 

  54. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    55. 

  55. // CHECK:STDOUT:   %Animal.facet: %Animal.type = facet_value %Goat, (%Animal.impl_witness) [concrete]
    56. 

  56. // CHECK:STDOUT:   %HandleAnimal.specific_fn: <specific function> = specific_function %HandleAnimal, @HandleAnimal(%Animal.facet) [concrete]
    57. 

  57. // CHECK:STDOUT:   %FeedAnimal.specific_fn.3e1: <specific function> = specific_function %FeedAnimal, @FeedAnimal(%Animal.facet) [concrete]
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: imports {
    61. 

  61. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    62. 

  62. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    63. 

  63. // CHECK:STDOUT:     import Core//prelude
    64. 

  64. // CHECK:STDOUT:     import Core//prelude/...
    65. 

  65. // CHECK:STDOUT:   }
    66. 

  66. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    67. 

  67. // CHECK:STDOUT: }
    68. 

  68. // CHECK:STDOUT:
    69. 

  69. // CHECK:STDOUT: file {
    70. 

  70. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    71. 

  71. // CHECK:STDOUT:     .Core = imports.%Core
    72. 

  72. // CHECK:STDOUT:     .Animal = %Animal.decl
    73. 

  73. // CHECK:STDOUT:     .FeedAnimal = %FeedAnimal.decl
    74. 

  74. // CHECK:STDOUT:     .HandleAnimal = %HandleAnimal.decl
    75. 

  75. // CHECK:STDOUT:     .Goat = %Goat.decl
    76. 

  76. // CHECK:STDOUT:     .F = %F.decl
    77. 

  77. // CHECK:STDOUT:   }
    78. 

  78. // CHECK:STDOUT:   %Core.import = import Core
    79. 

  79. // CHECK:STDOUT:   %Animal.decl: type = interface_decl @Animal [concrete = constants.%Animal.type] {} {}
    80. 

  80. // CHECK:STDOUT:   %FeedAnimal.decl: %FeedAnimal.type = fn_decl @FeedAnimal [concrete = constants.%FeedAnimal] {
    81. 

  81. // CHECK:STDOUT:     %T.patt: %pattern_type.bd6 = symbolic_binding_pattern T, 0 [concrete]
    82. 

  82. // CHECK:STDOUT:   } {
    83. 

  83. // CHECK:STDOUT:     %.loc17: type = splice_block %Animal.ref [concrete = constants.%Animal.type] {
    84. 

  84. // CHECK:STDOUT:       %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
    85. 

  85. // CHECK:STDOUT:       %Animal.ref: type = name_ref Animal, file.%Animal.decl [concrete = constants.%Animal.type]
    86. 

  86. // CHECK:STDOUT:     }
    87. 

  87. // CHECK:STDOUT:     %T.loc17_15.2: %Animal.type = bind_symbolic_name T, 0 [symbolic = %T.loc17_15.1 (constants.%T)]
    88. 

  88. // CHECK:STDOUT:   }
    89. 

  89. // CHECK:STDOUT:   %HandleAnimal.decl: %HandleAnimal.type = fn_decl @HandleAnimal [concrete = constants.%HandleAnimal] {
    90. 

  90. // CHECK:STDOUT:     %T.patt: %pattern_type.bd6 = symbolic_binding_pattern T, 0 [concrete]
    91. 

  91. // CHECK:STDOUT:   } {
    92. 

  92. // CHECK:STDOUT:     %.loc19: type = splice_block %Animal.ref [concrete = constants.%Animal.type] {
    93. 

  93. // CHECK:STDOUT:       %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
    94. 

  94. // CHECK:STDOUT:       %Animal.ref: type = name_ref Animal, file.%Animal.decl [concrete = constants.%Animal.type]
    95. 

  95. // CHECK:STDOUT:     }
    96. 

  96. // CHECK:STDOUT:     %T.loc19_17.2: %Animal.type = bind_symbolic_name T, 0 [symbolic = %T.loc19_17.1 (constants.%T)]
    97. 

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT:   %Goat.decl: type = class_decl @Goat [concrete = constants.%Goat] {} {}
    99. 

  99. // CHECK:STDOUT:   impl_decl @Goat.as.Animal.impl [concrete] {} {
    100. 

  100. // CHECK:STDOUT:     %Goat.ref: type = name_ref Goat, file.%Goat.decl [concrete = constants.%Goat]
    101. 

  101. // CHECK:STDOUT:     %Animal.ref: type = name_ref Animal, file.%Animal.decl [concrete = constants.%Animal.type]
    102. 

  102. // CHECK:STDOUT:   }
    103. 

  103. // CHECK:STDOUT:   %Animal.impl_witness_table = impl_witness_table (), @Goat.as.Animal.impl [concrete]
    104. 

  104. // CHECK:STDOUT:   %Animal.impl_witness: <witness> = impl_witness %Animal.impl_witness_table [concrete = constants.%Animal.impl_witness]
    105. 

  105. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
    106. 

  106. // CHECK:STDOUT: }
    107. 

  107. // CHECK:STDOUT:
    108. 

  108. // CHECK:STDOUT: interface @Animal {
    109. 

  109. // CHECK:STDOUT:   %Self: %Animal.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.a8c]
    110. 

  110. // CHECK:STDOUT:
    111. 

  111. // CHECK:STDOUT: !members:
    112. 

  112. // CHECK:STDOUT:   .Self = %Self
    113. 

  113. // CHECK:STDOUT:   witness = ()
    114. 

  114. // CHECK:STDOUT: }
    115. 

  115. // CHECK:STDOUT:
    116. 

  116. // CHECK:STDOUT: impl @Goat.as.Destroy.impl: @Goat.%Self.ref as constants.%Destroy.type {
    117. 

  117. // CHECK:STDOUT:   %Goat.as.Destroy.impl.Op.decl: %Goat.as.Destroy.impl.Op.type = fn_decl @Goat.as.Destroy.impl.Op [concrete = constants.%Goat.as.Destroy.impl.Op] {
    118. 

  118. // CHECK:STDOUT:     %self.patt: %pattern_type.396 = binding_pattern self [concrete]
    119. 

  119. // CHECK:STDOUT:     %self.param_patt: %pattern_type.396 = value_param_pattern %self.patt, call_param0 [concrete]
    120. 

  120. // CHECK:STDOUT:     %.loc21: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    121. 

  121. // CHECK:STDOUT:   } {
    122. 

  122. // CHECK:STDOUT:     %self.param: %ptr.940 = value_param call_param0
    123. 

  123. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Goat [concrete = constants.%Goat]
    124. 

  124. // CHECK:STDOUT:     %self: %ptr.940 = bind_name self, %self.param
    125. 

  125. // CHECK:STDOUT:   }
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: !members:
    128. 

  128. // CHECK:STDOUT:   .Op = %Goat.as.Destroy.impl.Op.decl
    129. 

  129. // CHECK:STDOUT:   witness = @Goat.%Destroy.impl_witness
    130. 

  130. // CHECK:STDOUT: }
    131. 

  131. // CHECK:STDOUT:
    132. 

  132. // CHECK:STDOUT: impl @Goat.as.Animal.impl: %Goat.ref as %Animal.ref {
    133. 

  133. // CHECK:STDOUT: !members:
    134. 

  134. // CHECK:STDOUT:   witness = file.%Animal.impl_witness
    135. 

  135. // CHECK:STDOUT: }
    136. 

  136. // CHECK:STDOUT:
    137. 

  137. // CHECK:STDOUT: class @Goat {
    138. 

  138. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Goat [concrete = constants.%Goat]
    139. 

  139. // CHECK:STDOUT:   impl_decl @Goat.as.Destroy.impl [concrete] {} {}
    140. 

  140. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@Goat.as.Destroy.impl.%Goat.as.Destroy.impl.Op.decl), @Goat.as.Destroy.impl [concrete]
    141. 

  141. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness]
    142. 

  142. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    143. 

  143. // CHECK:STDOUT:   complete_type_witness = %complete_type
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: !members:
    146. 

  146. // CHECK:STDOUT:   .Self = constants.%Goat
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: generic fn @FeedAnimal(%T.loc17_15.2: %Animal.type) {
    150. 

  150. // CHECK:STDOUT:   %T.loc17_15.1: %Animal.type = bind_symbolic_name T, 0 [symbolic = %T.loc17_15.1 (constants.%T)]
    151. 

  151. // CHECK:STDOUT:
    152. 

  152. // CHECK:STDOUT: !definition:
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT:   fn() {
    155. 

  155. // CHECK:STDOUT:   !entry:
    156. 

  156. // CHECK:STDOUT:     return
    157. 

  157. // CHECK:STDOUT:   }
    158. 

  158. // CHECK:STDOUT: }
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: generic fn @HandleAnimal(%T.loc19_17.2: %Animal.type) {
    161. 

  161. // CHECK:STDOUT:   %T.loc19_17.1: %Animal.type = bind_symbolic_name T, 0 [symbolic = %T.loc19_17.1 (constants.%T)]
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: !definition:
    164. 

  164. // CHECK:STDOUT:   %FeedAnimal.specific_fn.loc19_31.2: <specific function> = specific_function constants.%FeedAnimal, @FeedAnimal(%T.loc19_17.1) [symbolic = %FeedAnimal.specific_fn.loc19_31.2 (constants.%FeedAnimal.specific_fn.c90)]
    165. 

  165. // CHECK:STDOUT:
    166. 

  166. // CHECK:STDOUT:   fn() {
    167. 

  167. // CHECK:STDOUT:   !entry:
    168. 

  168. // CHECK:STDOUT:     %FeedAnimal.ref: %FeedAnimal.type = name_ref FeedAnimal, file.%FeedAnimal.decl [concrete = constants.%FeedAnimal]
    169. 

  169. // CHECK:STDOUT:     %T.ref: %Animal.type = name_ref T, %T.loc19_17.2 [symbolic = %T.loc19_17.1 (constants.%T)]
    170. 

  170. // CHECK:STDOUT:     %FeedAnimal.specific_fn.loc19_31.1: <specific function> = specific_function %FeedAnimal.ref, @FeedAnimal(constants.%T) [symbolic = %FeedAnimal.specific_fn.loc19_31.2 (constants.%FeedAnimal.specific_fn.c90)]
    171. 

  171. // CHECK:STDOUT:     %FeedAnimal.call: init %empty_tuple.type = call %FeedAnimal.specific_fn.loc19_31.1()
    172. 

  172. // CHECK:STDOUT:     return
    173. 

  173. // CHECK:STDOUT:   }
    174. 

  174. // CHECK:STDOUT: }
    175. 

  175. // CHECK:STDOUT:
    176. 

  176. // CHECK:STDOUT: fn @Goat.as.Destroy.impl.Op(%self.param: %ptr.940) = "no_op";
    177. 

  177. // CHECK:STDOUT:
    178. 

  178. // CHECK:STDOUT: fn @F() {
    179. 

  179. // CHECK:STDOUT: !entry:
    180. 

  180. // CHECK:STDOUT:   %HandleAnimal.ref: %HandleAnimal.type = name_ref HandleAnimal, file.%HandleAnimal.decl [concrete = constants.%HandleAnimal]
    181. 

  181. // CHECK:STDOUT:   %Goat.ref: type = name_ref Goat, file.%Goat.decl [concrete = constants.%Goat]
    182. 

  182. // CHECK:STDOUT:   %Animal.facet: %Animal.type = facet_value constants.%Goat, (constants.%Animal.impl_witness) [concrete = constants.%Animal.facet]
    183. 

  183. // CHECK:STDOUT:   %.loc25: %Animal.type = converted %Goat.ref, %Animal.facet [concrete = constants.%Animal.facet]
    184. 

  184. // CHECK:STDOUT:   %HandleAnimal.specific_fn: <specific function> = specific_function %HandleAnimal.ref, @HandleAnimal(constants.%Animal.facet) [concrete = constants.%HandleAnimal.specific_fn]
    185. 

  185. // CHECK:STDOUT:   %HandleAnimal.call: init %empty_tuple.type = call %HandleAnimal.specific_fn()
    186. 

  186. // CHECK:STDOUT:   return
    187. 

  187. // CHECK:STDOUT: }
    188. 

  188. // CHECK:STDOUT:
    189. 

  189. // CHECK:STDOUT: specific @FeedAnimal(constants.%T) {
    190. 

  190. // CHECK:STDOUT:   %T.loc17_15.1 => constants.%T
    191. 

  191. // CHECK:STDOUT:
    192. 

  192. // CHECK:STDOUT: !definition:
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: specific @HandleAnimal(constants.%T) {
    196. 

  196. // CHECK:STDOUT:   %T.loc19_17.1 => constants.%T
    197. 

  197. // CHECK:STDOUT: }
    198. 

  198. // CHECK:STDOUT:
    199. 

  199. // CHECK:STDOUT: specific @HandleAnimal(constants.%Animal.facet) {
    200. 

  200. // CHECK:STDOUT:   %T.loc19_17.1 => constants.%Animal.facet
    201. 

  201. // CHECK:STDOUT:
    202. 

  202. // CHECK:STDOUT: !definition:
    203. 

  203. // CHECK:STDOUT:   %FeedAnimal.specific_fn.loc19_31.2 => constants.%FeedAnimal.specific_fn.3e1
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206. 

  206. // CHECK:STDOUT: specific @FeedAnimal(constants.%Animal.facet) {
    207. 

  207. // CHECK:STDOUT:   %T.loc17_15.1 => constants.%Animal.facet
    208. 

  208. // CHECK:STDOUT:
    209. 

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

  210. // CHECK:STDOUT: }
    211. 

  211. // CHECK:STDOUT:
    212.