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implicit_as.carbon

implicit_as.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. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/operators/overloaded/implicit_as.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/operators/overloaded/implicit_as.carbon
    10. 

  10. 

  11. class X {
    12. 

  12.   var n: i32;
    13. 

  13. }
    14. 

  14. 

  15. impl i32 as Core.ImplicitAs(X) {
    16. 

  16.   fn Convert[self: i32]() -> X { return {.n = self}; }
    17. 

  17. }
    18. 

  18. 

  19. impl X as Core.ImplicitAs(i32) {
    20. 

  20.   fn Convert[self: X]() -> i32 { return self.n; }
    21. 

  21. }
    22. 

  22. 

  23. // TODO: fn Sink(T:! type, x: T);
    24. 

  24. // ... once we stop deducing `T` from the type of the second argument in this case.
    25. 

  25. fn Sink_i32(n: i32);
    26. 

  26. fn Sink_X(x: X);
    27. 

  27. fn Source(T:! type) -> T;
    28. 

  28. 

  29. fn Test() {
    30. 

  30.   Sink_i32(Source(X));
    31. 

  31.   Sink_X(Source(i32));
    32. 

  32. }
    33. 

  33. 

  34. // CHECK:STDOUT: --- implicit_as.carbon
    35. 

  35. // CHECK:STDOUT:
    36. 

  36. // CHECK:STDOUT: constants {
    37. 

  37. // CHECK:STDOUT:   %X: type = class_type @X [template]
    38. 

  38. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    39. 

  39. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    40. 

  40. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    41. 

  41. // CHECK:STDOUT:   %.2: type = unbound_element_type %X, i32 [template]
    42. 

  42. // CHECK:STDOUT:   %.3: type = struct_type {.n: i32} [template]
    43. 

  43. // CHECK:STDOUT:   %.4: <witness> = complete_type_witness %.3 [template]
    44. 

  44. // CHECK:STDOUT:   %ImplicitAs.type: type = generic_interface_type @ImplicitAs [template]
    45. 

  45. // CHECK:STDOUT:   %ImplicitAs: %ImplicitAs.type = struct_value () [template]
    46. 

  46. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest 0 [symbolic]
    47. 

  47. // CHECK:STDOUT:   %.5: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic]
    48. 

  48. // CHECK:STDOUT:   %Self.1: @ImplicitAs.%.1 (%.5) = bind_symbolic_name Self 1 [symbolic]
    49. 

  49. // CHECK:STDOUT:   %Self.2: %.5 = bind_symbolic_name Self 1 [symbolic]
    50. 

  50. // CHECK:STDOUT:   %Convert.type.1: type = fn_type @Convert.1, @ImplicitAs(%Dest) [symbolic]
    51. 

  51. // CHECK:STDOUT:   %Convert.1: %Convert.type.1 = struct_value () [symbolic]
    52. 

  52. // CHECK:STDOUT:   %.6: type = assoc_entity_type %.5, %Convert.type.1 [symbolic]
    53. 

  53. // CHECK:STDOUT:   %.7: %.6 = assoc_entity element0, imports.%import_ref.6 [symbolic]
    54. 

  54. // CHECK:STDOUT:   %.8: type = interface_type @ImplicitAs, @ImplicitAs(%X) [template]
    55. 

  55. // CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert.2 [template]
    56. 

  56. // CHECK:STDOUT:   %Convert.2: %Convert.type.2 = struct_value () [template]
    57. 

  57. // CHECK:STDOUT:   %Convert.type.3: type = fn_type @Convert.1, @ImplicitAs(%X) [template]
    58. 

  58. // CHECK:STDOUT:   %Convert.3: %Convert.type.3 = struct_value () [template]
    59. 

  59. // CHECK:STDOUT:   %.9: type = assoc_entity_type %.8, %Convert.type.3 [template]
    60. 

  60. // CHECK:STDOUT:   %.10: %.9 = assoc_entity element0, imports.%import_ref.6 [template]
    61. 

  61. // CHECK:STDOUT:   %.11: <witness> = interface_witness (%Convert.2) [template]
    62. 

  62. // CHECK:STDOUT:   %.12: type = ptr_type %.3 [template]
    63. 

  63. // CHECK:STDOUT:   %.13: type = interface_type @ImplicitAs, @ImplicitAs(i32) [template]
    64. 

  64. // CHECK:STDOUT:   %Convert.type.4: type = fn_type @Convert.3 [template]
    65. 

  65. // CHECK:STDOUT:   %Convert.4: %Convert.type.4 = struct_value () [template]
    66. 

  66. // CHECK:STDOUT:   %Convert.type.5: type = fn_type @Convert.1, @ImplicitAs(i32) [template]
    67. 

  67. // CHECK:STDOUT:   %Convert.5: %Convert.type.5 = struct_value () [template]
    68. 

  68. // CHECK:STDOUT:   %.14: type = assoc_entity_type %.13, %Convert.type.5 [template]
    69. 

  69. // CHECK:STDOUT:   %.15: %.14 = assoc_entity element0, imports.%import_ref.6 [template]
    70. 

  70. // CHECK:STDOUT:   %.16: <witness> = interface_witness (%Convert.4) [template]
    71. 

  71. // CHECK:STDOUT:   %Sink_i32.type: type = fn_type @Sink_i32 [template]
    72. 

  72. // CHECK:STDOUT:   %Sink_i32: %Sink_i32.type = struct_value () [template]
    73. 

  73. // CHECK:STDOUT:   %Sink_X.type: type = fn_type @Sink_X [template]
    74. 

  74. // CHECK:STDOUT:   %Sink_X: %Sink_X.type = struct_value () [template]
    75. 

  75. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    76. 

  76. // CHECK:STDOUT:   %Source.type: type = fn_type @Source [template]
    77. 

  77. // CHECK:STDOUT:   %Source: %Source.type = struct_value () [template]
    78. 

  78. // CHECK:STDOUT:   %Test.type: type = fn_type @Test [template]
    79. 

  79. // CHECK:STDOUT:   %Test: %Test.type = struct_value () [template]
    80. 

  80. // CHECK:STDOUT:   %.17: %.6 = assoc_entity element0, imports.%import_ref.7 [symbolic]
    81. 

  81. // CHECK:STDOUT: }
    82. 

  82. // CHECK:STDOUT:
    83. 

  83. // CHECK:STDOUT: imports {
    84. 

  84. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    85. 

  85. // CHECK:STDOUT:     .Int32 = %import_ref.1
    86. 

  86. // CHECK:STDOUT:     .ImplicitAs = %import_ref.2
    87. 

  87. // CHECK:STDOUT:     import Core//prelude
    88. 

  88. // CHECK:STDOUT:     import Core//prelude/operators
    89. 

  89. // CHECK:STDOUT:     import Core//prelude/types
    90. 

  90. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    91. 

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

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

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

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

  95. // CHECK:STDOUT:   }
    96. 

  96. // CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
    97. 

  97. // CHECK:STDOUT:   %import_ref.2: %ImplicitAs.type = import_ref Core//prelude/operators/as, inst+40, loaded [template = constants.%ImplicitAs]
    98. 

  98. // CHECK:STDOUT:   %import_ref.3 = import_ref Core//prelude/operators/as, inst+45, unloaded
    99. 

  99. // CHECK:STDOUT:   %import_ref.4: @ImplicitAs.%.2 (%.6) = import_ref Core//prelude/operators/as, inst+63, loaded [symbolic = @ImplicitAs.%.3 (constants.%.17)]
    100. 

  100. // CHECK:STDOUT:   %import_ref.5: @ImplicitAs.%Convert.type (%Convert.type.1) = import_ref Core//prelude/operators/as, inst+56, loaded [symbolic = @ImplicitAs.%Convert (constants.%Convert.1)]
    101. 

  101. // CHECK:STDOUT:   %import_ref.6 = import_ref Core//prelude/operators/as, inst+56, unloaded
    102. 

  102. // CHECK:STDOUT:   %import_ref.7 = import_ref Core//prelude/operators/as, inst+56, unloaded
    103. 

  103. // CHECK:STDOUT: }
    104. 

  104. // CHECK:STDOUT:
    105. 

  105. // CHECK:STDOUT: file {
    106. 

  106. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    107. 

  107. // CHECK:STDOUT:     .Core = imports.%Core
    108. 

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

  109. // CHECK:STDOUT:     .Sink_i32 = %Sink_i32.decl
    110. 

  110. // CHECK:STDOUT:     .Sink_X = %Sink_X.decl
    111. 

  111. // CHECK:STDOUT:     .Source = %Source.decl
    112. 

  112. // CHECK:STDOUT:     .Test = %Test.decl
    113. 

  113. // CHECK:STDOUT:   }
    114. 

  114. // CHECK:STDOUT:   %Core.import = import Core
    115. 

  115. // CHECK:STDOUT:   %X.decl: type = class_decl @X [template = constants.%X] {} {}
    116. 

  116. // CHECK:STDOUT:   impl_decl @impl.1 {} {
    117. 

  117. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    118. 

  118. // CHECK:STDOUT:     %.loc15_6.1: type = value_of_initializer %int.make_type_32 [template = i32]
    119. 

  119. // CHECK:STDOUT:     %.loc15_6.2: type = converted %int.make_type_32, %.loc15_6.1 [template = i32]
    120. 

  120. // CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
    121. 

  121. // CHECK:STDOUT:     %ImplicitAs.ref: %ImplicitAs.type = name_ref ImplicitAs, imports.%import_ref.2 [template = constants.%ImplicitAs]
    122. 

  122. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    123. 

  123. // CHECK:STDOUT:     %.loc15_28: type = interface_type @ImplicitAs, @ImplicitAs(constants.%X) [template = constants.%.8]
    124. 

  124. // CHECK:STDOUT:   }
    125. 

  125. // CHECK:STDOUT:   impl_decl @impl.2 {} {
    126. 

  126. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    127. 

  127. // CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
    128. 

  128. // CHECK:STDOUT:     %ImplicitAs.ref: %ImplicitAs.type = name_ref ImplicitAs, imports.%import_ref.2 [template = constants.%ImplicitAs]
    129. 

  129. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    130. 

  130. // CHECK:STDOUT:     %.loc19_26.1: type = value_of_initializer %int.make_type_32 [template = i32]
    131. 

  131. // CHECK:STDOUT:     %.loc19_26.2: type = converted %int.make_type_32, %.loc19_26.1 [template = i32]
    132. 

  132. // CHECK:STDOUT:     %.loc19_26.3: type = interface_type @ImplicitAs, @ImplicitAs(i32) [template = constants.%.13]
    133. 

  133. // CHECK:STDOUT:   }
    134. 

  134. // CHECK:STDOUT:   %Sink_i32.decl: %Sink_i32.type = fn_decl @Sink_i32 [template = constants.%Sink_i32] {
    135. 

  135. // CHECK:STDOUT:     %n.patt: i32 = binding_pattern n
    136. 

  136. // CHECK:STDOUT:   } {
    137. 

  137. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    138. 

  138. // CHECK:STDOUT:     %.loc25_16.1: type = value_of_initializer %int.make_type_32 [template = i32]
    139. 

  139. // CHECK:STDOUT:     %.loc25_16.2: type = converted %int.make_type_32, %.loc25_16.1 [template = i32]
    140. 

  140. // CHECK:STDOUT:     %n.param: i32 = param n, runtime_param0
    141. 

  141. // CHECK:STDOUT:     %n: i32 = bind_name n, %n.param
    142. 

  142. // CHECK:STDOUT:   }
    143. 

  143. // CHECK:STDOUT:   %Sink_X.decl: %Sink_X.type = fn_decl @Sink_X [template = constants.%Sink_X] {
    144. 

  144. // CHECK:STDOUT:     %x.patt: %X = binding_pattern x
    145. 

  145. // CHECK:STDOUT:   } {
    146. 

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

  147. // CHECK:STDOUT:     %x.param: %X = param x, runtime_param0
    148. 

  148. // CHECK:STDOUT:     %x: %X = bind_name x, %x.param
    149. 

  149. // CHECK:STDOUT:   }
    150. 

  150. // CHECK:STDOUT:   %Source.decl: %Source.type = fn_decl @Source [template = constants.%Source] {
    151. 

  151. // CHECK:STDOUT:     %T.patt: type = symbolic_binding_pattern T 0
    152. 

  152. // CHECK:STDOUT:   } {
    153. 

  153. // CHECK:STDOUT:     %T.param: type = param T, runtime_param<invalid>
    154. 

  154. // CHECK:STDOUT:     %T.loc27: type = bind_symbolic_name T 0, %T.param [symbolic = %T.1 (constants.%T)]
    155. 

  155. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc27 [symbolic = %T.1 (constants.%T)]
    156. 

  156. // CHECK:STDOUT:     %return: ref @Source.%T.1 (%T) = var <return slot>
    157. 

  157. // CHECK:STDOUT:   }
    158. 

  158. // CHECK:STDOUT:   %Test.decl: %Test.type = fn_decl @Test [template = constants.%Test] {} {}
    159. 

  159. // CHECK:STDOUT: }
    160. 

  160. // CHECK:STDOUT:
    161. 

  161. // CHECK:STDOUT: generic interface @ImplicitAs(constants.%Dest: type) {
    162. 

  162. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest 0 [symbolic = %Dest (constants.%Dest)]
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: !definition:
    165. 

  165. // CHECK:STDOUT:   %.1: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %.1 (constants.%.5)]
    166. 

  166. // CHECK:STDOUT:   %Self: %.5 = bind_symbolic_name Self 1 [symbolic = %Self (constants.%Self.2)]
    167. 

  167. // CHECK:STDOUT:   %Convert.type: type = fn_type @Convert.1, @ImplicitAs(%Dest) [symbolic = %Convert.type (constants.%Convert.type.1)]
    168. 

  168. // CHECK:STDOUT:   %Convert: @ImplicitAs.%Convert.type (%Convert.type.1) = struct_value () [symbolic = %Convert (constants.%Convert.1)]
    169. 

  169. // CHECK:STDOUT:   %.2: type = assoc_entity_type @ImplicitAs.%.1 (%.5), @ImplicitAs.%Convert.type (%Convert.type.1) [symbolic = %.2 (constants.%.6)]
    170. 

  170. // CHECK:STDOUT:   %.3: @ImplicitAs.%.2 (%.6) = assoc_entity element0, imports.%import_ref.6 [symbolic = %.3 (constants.%.7)]
    171. 

  171. // CHECK:STDOUT:
    172. 

  172. // CHECK:STDOUT:   interface {
    173. 

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

  174. // CHECK:STDOUT:     .Self = imports.%import_ref.3
    175. 

  175. // CHECK:STDOUT:     .Convert = imports.%import_ref.4
    176. 

  176. // CHECK:STDOUT:     witness = (imports.%import_ref.5)
    177. 

  177. // CHECK:STDOUT:   }
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: impl @impl.1: i32 as %.8 {
    181. 

  181. // CHECK:STDOUT:   %Convert.decl: %Convert.type.2 = fn_decl @Convert.2 [template = constants.%Convert.2] {
    182. 

  182. // CHECK:STDOUT:     %self.patt: i32 = binding_pattern self
    183. 

  183. // CHECK:STDOUT:   } {
    184. 

  184. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    185. 

  185. // CHECK:STDOUT:     %.loc16_20.1: type = value_of_initializer %int.make_type_32 [template = i32]
    186. 

  186. // CHECK:STDOUT:     %.loc16_20.2: type = converted %int.make_type_32, %.loc16_20.1 [template = i32]
    187. 

  187. // CHECK:STDOUT:     %self.param: i32 = param self, runtime_param0
    188. 

  188. // CHECK:STDOUT:     %self: i32 = bind_name self, %self.param
    189. 

  189. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    190. 

  190. // CHECK:STDOUT:     %return: ref %X = var <return slot>
    191. 

  191. // CHECK:STDOUT:   }
    192. 

  192. // CHECK:STDOUT:   %.loc15_32: <witness> = interface_witness (%Convert.decl) [template = constants.%.11]
    193. 

  193. // CHECK:STDOUT:
    194. 

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

  195. // CHECK:STDOUT:   .Convert = %Convert.decl
    196. 

  196. // CHECK:STDOUT:   witness = %.loc15_32
    197. 

  197. // CHECK:STDOUT: }
    198. 

  198. // CHECK:STDOUT:
    199. 

  199. // CHECK:STDOUT: impl @impl.2: %X as %.13 {
    200. 

  200. // CHECK:STDOUT:   %Convert.decl: %Convert.type.4 = fn_decl @Convert.3 [template = constants.%Convert.4] {
    201. 

  201. // CHECK:STDOUT:     %self.patt: %X = binding_pattern self
    202. 

  202. // CHECK:STDOUT:   } {
    203. 

  203. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    204. 

  204. // CHECK:STDOUT:     %self.param: %X = param self, runtime_param0
    205. 

  205. // CHECK:STDOUT:     %self: %X = bind_name self, %self.param
    206. 

  206. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    207. 

  207. // CHECK:STDOUT:     %.loc20_28.1: type = value_of_initializer %int.make_type_32 [template = i32]
    208. 

  208. // CHECK:STDOUT:     %.loc20_28.2: type = converted %int.make_type_32, %.loc20_28.1 [template = i32]
    209. 

  209. // CHECK:STDOUT:     %return: ref i32 = var <return slot>
    210. 

  210. // CHECK:STDOUT:   }
    211. 

  211. // CHECK:STDOUT:   %.loc19_32: <witness> = interface_witness (%Convert.decl) [template = constants.%.16]
    212. 

  212. // CHECK:STDOUT:
    213. 

  213. // CHECK:STDOUT: !members:
    214. 

  214. // CHECK:STDOUT:   .Convert = %Convert.decl
    215. 

  215. // CHECK:STDOUT:   witness = %.loc19_32
    216. 

  216. // CHECK:STDOUT: }
    217. 

  217. // CHECK:STDOUT:
    218. 

  218. // CHECK:STDOUT: class @X {
    219. 

  219. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    220. 

  220. // CHECK:STDOUT:   %.loc12_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
    221. 

  221. // CHECK:STDOUT:   %.loc12_10.2: type = converted %int.make_type_32, %.loc12_10.1 [template = i32]
    222. 

  222. // CHECK:STDOUT:   %.loc12_8: %.2 = field_decl n, element0 [template]
    223. 

  223. // CHECK:STDOUT:   %.loc13: <witness> = complete_type_witness %.3 [template = constants.%.4]
    224. 

  224. // CHECK:STDOUT:
    225. 

  225. // CHECK:STDOUT: !members:
    226. 

  226. // CHECK:STDOUT:   .Self = constants.%X
    227. 

  227. // CHECK:STDOUT:   .n = %.loc12_8
    228. 

  228. // CHECK:STDOUT: }
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    231. 

  231. // CHECK:STDOUT:
    232. 

  232. // CHECK:STDOUT: generic fn @Convert.1(constants.%Dest: type, constants.%Self.1: @ImplicitAs.%.1 (%.5)) {
    233. 

  233. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest 0 [symbolic = %Dest (constants.%Dest)]
    234. 

  234. // CHECK:STDOUT:   %.1: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %.1 (constants.%.5)]
    235. 

  235. // CHECK:STDOUT:   %Self: %.5 = bind_symbolic_name Self 1 [symbolic = %Self (constants.%Self.2)]
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT:   fn[%self: @Convert.1.%Self (%Self.2)]() -> @Convert.1.%Dest (%Dest);
    238. 

  238. // CHECK:STDOUT: }
    239. 

  239. // CHECK:STDOUT:
    240. 

  240. // CHECK:STDOUT: fn @Convert.2[%self: i32]() -> %return: %X {
    241. 

  241. // CHECK:STDOUT: !entry:
    242. 

  242. // CHECK:STDOUT:   %self.ref: i32 = name_ref self, %self
    243. 

  243. // CHECK:STDOUT:   %.loc16_51.1: %.3 = struct_literal (%self.ref)
    244. 

  244. // CHECK:STDOUT:   %.loc16_51.2: ref i32 = class_element_access %return, element0
    245. 

  245. // CHECK:STDOUT:   %.loc16_51.3: init i32 = initialize_from %self.ref to %.loc16_51.2
    246. 

  246. // CHECK:STDOUT:   %.loc16_51.4: init %X = class_init (%.loc16_51.3), %return
    247. 

  247. // CHECK:STDOUT:   %.loc16_52: init %X = converted %.loc16_51.1, %.loc16_51.4
    248. 

  248. // CHECK:STDOUT:   return %.loc16_52 to %return
    249. 

  249. // CHECK:STDOUT: }
    250. 

  250. // CHECK:STDOUT:
    251. 

  251. // CHECK:STDOUT: fn @Convert.3[%self: %X]() -> i32 {
    252. 

  252. // CHECK:STDOUT: !entry:
    253. 

  253. // CHECK:STDOUT:   %self.ref: %X = name_ref self, %self
    254. 

  254. // CHECK:STDOUT:   %n.ref: %.2 = name_ref n, @X.%.loc12_8 [template = @X.%.loc12_8]
    255. 

  255. // CHECK:STDOUT:   %.loc20_45.1: ref i32 = class_element_access %self.ref, element0
    256. 

  256. // CHECK:STDOUT:   %.loc20_45.2: i32 = bind_value %.loc20_45.1
    257. 

  257. // CHECK:STDOUT:   return %.loc20_45.2
    258. 

  258. // CHECK:STDOUT: }
    259. 

  259. // CHECK:STDOUT:
    260. 

  260. // CHECK:STDOUT: fn @Sink_i32(%n: i32);
    261. 

  261. // CHECK:STDOUT:
    262. 

  262. // CHECK:STDOUT: fn @Sink_X(%x: %X);
    263. 

  263. // CHECK:STDOUT:
    264. 

  264. // CHECK:STDOUT: generic fn @Source(%T.loc27: type) {
    265. 

  265. // CHECK:STDOUT:   %T.1: type = bind_symbolic_name T 0 [symbolic = %T.1 (constants.%T)]
    266. 

  266. // CHECK:STDOUT:
    267. 

  267. // CHECK:STDOUT:   fn(%T.loc27: type) -> @Source.%T.1 (%T);
    268. 

  268. // CHECK:STDOUT: }
    269. 

  269. // CHECK:STDOUT:
    270. 

  270. // CHECK:STDOUT: fn @Test() {
    271. 

  271. // CHECK:STDOUT: !entry:
    272. 

  272. // CHECK:STDOUT:   %Sink_i32.ref: %Sink_i32.type = name_ref Sink_i32, file.%Sink_i32.decl [template = constants.%Sink_i32]
    273. 

  273. // CHECK:STDOUT:   %Source.ref.loc30: %Source.type = name_ref Source, file.%Source.decl [template = constants.%Source]
    274. 

  274. // CHECK:STDOUT:   %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    275. 

  275. // CHECK:STDOUT:   %.loc30_18.1: ref %X = temporary_storage
    276. 

  276. // CHECK:STDOUT:   %Source.call.loc30: init %X = call %Source.ref.loc30() to %.loc30_18.1
    277. 

  277. // CHECK:STDOUT:   %.loc30_11.1: type = interface_type @ImplicitAs, @ImplicitAs(i32) [template = constants.%.13]
    278. 

  278. // CHECK:STDOUT:   %.loc30_11.2: %.14 = specific_constant imports.%import_ref.4, @ImplicitAs(i32) [template = constants.%.15]
    279. 

  279. // CHECK:STDOUT:   %Convert.ref.loc30: %.14 = name_ref Convert, %.loc30_11.2 [template = constants.%.15]
    280. 

  280. // CHECK:STDOUT:   %.loc30_18.2: ref %X = temporary %.loc30_18.1, %Source.call.loc30
    281. 

  281. // CHECK:STDOUT:   %.loc30_11.3: %Convert.type.5 = interface_witness_access @impl.2.%.loc19_32, element0 [template = constants.%Convert.4]
    282. 

  282. // CHECK:STDOUT:   %.loc30_11.4: <bound method> = bound_method %.loc30_18.2, %.loc30_11.3
    283. 

  283. // CHECK:STDOUT:   %.loc30_18.3: %X = bind_value %.loc30_18.2
    284. 

  284. // CHECK:STDOUT:   %Convert.call.loc30: init i32 = call %.loc30_11.4(%.loc30_18.3)
    285. 

  285. // CHECK:STDOUT:   %.loc30_11.5: init i32 = converted %Source.call.loc30, %Convert.call.loc30
    286. 

  286. // CHECK:STDOUT:   %.loc30_11.6: ref i32 = temporary_storage
    287. 

  287. // CHECK:STDOUT:   %.loc30_11.7: ref i32 = temporary %.loc30_11.6, %.loc30_11.5
    288. 

  288. // CHECK:STDOUT:   %.loc30_11.8: %X = bind_value %.loc30_11.7
    289. 

  289. // CHECK:STDOUT:   %Sink_i32.call: init %.1 = call %Sink_i32.ref(%.loc30_11.8)
    290. 

  290. // CHECK:STDOUT:   %Sink_X.ref: %Sink_X.type = name_ref Sink_X, file.%Sink_X.decl [template = constants.%Sink_X]
    291. 

  291. // CHECK:STDOUT:   %Source.ref.loc31: %Source.type = name_ref Source, file.%Source.decl [template = constants.%Source]
    292. 

  292. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    293. 

  293. // CHECK:STDOUT:   %.loc31_16.1: type = value_of_initializer %int.make_type_32 [template = i32]
    294. 

  294. // CHECK:STDOUT:   %.loc31_16.2: type = converted %int.make_type_32, %.loc31_16.1 [template = i32]
    295. 

  295. // CHECK:STDOUT:   %Source.call.loc31: init i32 = call %Source.ref.loc31()
    296. 

  296. // CHECK:STDOUT:   %.loc31_9.1: type = interface_type @ImplicitAs, @ImplicitAs(constants.%X) [template = constants.%.8]
    297. 

  297. // CHECK:STDOUT:   %.loc31_9.2: %.9 = specific_constant imports.%import_ref.4, @ImplicitAs(constants.%X) [template = constants.%.10]
    298. 

  298. // CHECK:STDOUT:   %Convert.ref.loc31: %.9 = name_ref Convert, %.loc31_9.2 [template = constants.%.10]
    299. 

  299. // CHECK:STDOUT:   %.loc31_16.3: ref i32 = temporary_storage
    300. 

  300. // CHECK:STDOUT:   %.loc31_16.4: ref i32 = temporary %.loc31_16.3, %Source.call.loc31
    301. 

  301. // CHECK:STDOUT:   %.loc31_9.3: %Convert.type.3 = interface_witness_access @impl.1.%.loc15_32, element0 [template = constants.%Convert.2]
    302. 

  302. // CHECK:STDOUT:   %.loc31_9.4: <bound method> = bound_method %.loc31_16.4, %.loc31_9.3
    303. 

  303. // CHECK:STDOUT:   %.loc31_9.5: ref %X = temporary_storage
    304. 

  304. // CHECK:STDOUT:   %.loc31_16.5: i32 = bind_value %.loc31_16.4
    305. 

  305. // CHECK:STDOUT:   %Convert.call.loc31: init %X = call %.loc31_9.4(%.loc31_16.5) to %.loc31_9.5
    306. 

  306. // CHECK:STDOUT:   %.loc31_9.6: init %X = converted %Source.call.loc31, %Convert.call.loc31
    307. 

  307. // CHECK:STDOUT:   %.loc31_9.7: ref %X = temporary %.loc31_9.5, %.loc31_9.6
    308. 

  308. // CHECK:STDOUT:   %.loc31_9.8: i32 = bind_value %.loc31_9.7
    309. 

  309. // CHECK:STDOUT:   %Sink_X.call: init %.1 = call %Sink_X.ref(%.loc31_9.8)
    310. 

  310. // CHECK:STDOUT:   return
    311. 

  311. // CHECK:STDOUT: }
    312. 

  312. // CHECK:STDOUT:
    313. 

  313. // CHECK:STDOUT: specific @ImplicitAs(constants.%Dest) {
    314. 

  314. // CHECK:STDOUT:   %Dest => constants.%Dest
    315. 

  315. // CHECK:STDOUT: }
    316. 

  316. // CHECK:STDOUT:
    317. 

  317. // CHECK:STDOUT: specific @ImplicitAs(@ImplicitAs.%Dest) {
    318. 

  318. // CHECK:STDOUT:   %Dest => constants.%Dest
    319. 

  319. // CHECK:STDOUT: }
    320. 

  320. // CHECK:STDOUT:
    321. 

  321. // CHECK:STDOUT: specific @ImplicitAs(@Convert.1.%Dest) {
    322. 

  322. // CHECK:STDOUT:   %Dest => constants.%Dest
    323. 

  323. // CHECK:STDOUT: }
    324. 

  324. // CHECK:STDOUT:
    325. 

  325. // CHECK:STDOUT: specific @Convert.1(constants.%Dest, constants.%Self.1) {
    326. 

  326. // CHECK:STDOUT:   %Dest => constants.%Dest
    327. 

  327. // CHECK:STDOUT:   %.1 => constants.%.5
    328. 

  328. // CHECK:STDOUT:   %Self => constants.%Self.1
    329. 

  329. // CHECK:STDOUT: }
    330. 

  330. // CHECK:STDOUT:
    331. 

  331. // CHECK:STDOUT: specific @ImplicitAs(constants.%X) {
    332. 

  332. // CHECK:STDOUT:   %Dest => constants.%X
    333. 

  333. // CHECK:STDOUT:
    334. 

  334. // CHECK:STDOUT: !definition:
    335. 

  335. // CHECK:STDOUT:   %.1 => constants.%.8
    336. 

  336. // CHECK:STDOUT:   %Self => constants.%Self.2
    337. 

  337. // CHECK:STDOUT:   %Convert.type => constants.%Convert.type.3
    338. 

  338. // CHECK:STDOUT:   %Convert => constants.%Convert.3
    339. 

  339. // CHECK:STDOUT:   %.2 => constants.%.9
    340. 

  340. // CHECK:STDOUT:   %.3 => constants.%.10
    341. 

  341. // CHECK:STDOUT: }
    342. 

  342. // CHECK:STDOUT:
    343. 

  343. // CHECK:STDOUT: specific @Convert.1(constants.%X, i32) {
    344. 

  344. // CHECK:STDOUT:   %Dest => constants.%X
    345. 

  345. // CHECK:STDOUT:   %.1 => constants.%.8
    346. 

  346. // CHECK:STDOUT:   %Self => i32
    347. 

  347. // CHECK:STDOUT: }
    348. 

  348. // CHECK:STDOUT:
    349. 

  349. // CHECK:STDOUT: specific @ImplicitAs(i32) {
    350. 

  350. // CHECK:STDOUT:   %Dest => i32
    351. 

  351. // CHECK:STDOUT:
    352. 

  352. // CHECK:STDOUT: !definition:
    353. 

  353. // CHECK:STDOUT:   %.1 => constants.%.13
    354. 

  354. // CHECK:STDOUT:   %Self => constants.%Self.2
    355. 

  355. // CHECK:STDOUT:   %Convert.type => constants.%Convert.type.5
    356. 

  356. // CHECK:STDOUT:   %Convert => constants.%Convert.5
    357. 

  357. // CHECK:STDOUT:   %.2 => constants.%.14
    358. 

  358. // CHECK:STDOUT:   %.3 => constants.%.15
    359. 

  359. // CHECK:STDOUT: }
    360. 

  360. // CHECK:STDOUT:
    361. 

  361. // CHECK:STDOUT: specific @Convert.1(i32, constants.%X) {
    362. 

  362. // CHECK:STDOUT:   %Dest => i32
    363. 

  363. // CHECK:STDOUT:   %.1 => constants.%.13
    364. 

  364. // CHECK:STDOUT:   %Self => constants.%X
    365. 

  365. // CHECK:STDOUT: }
    366. 

  366. // CHECK:STDOUT:
    367. 

  367. // CHECK:STDOUT: specific @Source(constants.%T) {
    368. 

  368. // CHECK:STDOUT:   %T.1 => constants.%T
    369. 

  369. // CHECK:STDOUT: }
    370. 

  370. // CHECK:STDOUT:
    371. 

  371. // CHECK:STDOUT: specific @Source(constants.%X) {
    372. 

  372. // CHECK:STDOUT:   %T.1 => constants.%X
    373. 

  373. // CHECK:STDOUT: }
    374. 

  374. // CHECK:STDOUT:
    375. 

  375. // CHECK:STDOUT: specific @Source(i32) {
    376. 

  376. // CHECK:STDOUT:   %T.1 => i32
    377. 

  377. // CHECK:STDOUT: }
    378. 

  378. // CHECK:STDOUT:
    379.