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carbon-lang
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toolchain
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check
/
testdata
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function
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generic
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undefined.carbon

undefined.carbon 20 KB
История Исходник

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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/function/generic/undefined.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/generic/undefined.carbon
    10. 

  10. 

  11. // --- call_defined.carbon
    12. 

  12. 

  13. library "[[@TEST_NAME]]";
    14. 

  14. 

  15. fn Defined[T:! type](x: T) -> T {
    16. 

  16.   return x;
    17. 

  17. }
    18. 

  18. 

  19. fn CallDefined() -> i32 {
    20. 

  20.   return Defined(0);
    21. 

  21. }
    22. 

  22. 

  23. // --- call_defined_late.carbon
    24. 

  24. 

  25. library "[[@TEST_NAME]]";
    26. 

  26. 

  27. fn Defined[T:! type](x: T) -> T;
    28. 

  28. 

  29. fn CallDefined() -> i32 {
    30. 

  30.   return Defined(0);
    31. 

  31. }
    32. 

  32. 

  33. fn Defined[T:! type](x: T) -> T {
    34. 

  34.   return x;
    35. 

  35. }
    36. 

  36. 

  37. // --- fail_call_undefined.carbon
    38. 

  38. 

  39. library "[[@TEST_NAME]]";
    40. 

  40. 

  41. fn Undefined[T:! type](x: T) -> T;
    42. 

  42. 

  43. fn CallUndefined() -> i32 {
    44. 

  44.   // CHECK:STDERR: fail_call_undefined.carbon:[[@LINE+6]]:10: error: use of undefined generic function [MissingGenericFunctionDefinition]
    45. 

  45.   // CHECK:STDERR:   return Undefined(0);
    46. 

  46.   // CHECK:STDERR:          ^~~~~~~~~
    47. 

  47.   // CHECK:STDERR: fail_call_undefined.carbon:[[@LINE-6]]:1: note: generic function declared here [MissingGenericFunctionDefinitionHere]
    48. 

  48.   // CHECK:STDERR: fn Undefined[T:! type](x: T) -> T;
    49. 

  49.   // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    50. 

  50.   return Undefined(0);
    51. 

  51. }
    52. 

  52. 

  53. // CHECK:STDOUT: --- call_defined.carbon
    54. 

  54. // CHECK:STDOUT:
    55. 

  55. // CHECK:STDOUT: constants {
    56. 

  56. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
    57. 

  57. // CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
    58. 

  58. // CHECK:STDOUT:   %Defined.type: type = fn_type @Defined [template]
    59. 

  59. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    60. 

  60. // CHECK:STDOUT:   %Defined: %Defined.type = struct_value () [template]
    61. 

  61. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    62. 

  62. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    63. 

  63. // CHECK:STDOUT:   %CallDefined.type: type = fn_type @CallDefined [template]
    64. 

  64. // CHECK:STDOUT:   %CallDefined: %CallDefined.type = struct_value () [template]
    65. 

  65. // CHECK:STDOUT:   %.2: i32 = int_value 0 [template]
    66. 

  66. // CHECK:STDOUT:   %.3: <specific function> = specific_function %Defined, @Defined(i32) [template]
    67. 

  67. // CHECK:STDOUT: }
    68. 

  68. // CHECK:STDOUT:
    69. 

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

  70. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    71. 

  71. // CHECK:STDOUT:     .Int32 = %import_ref
    72. 

  72. // CHECK:STDOUT:     import Core//prelude
    73. 

  73. // CHECK:STDOUT:     import Core//prelude/...
    74. 

  74. // CHECK:STDOUT:   }
    75. 

  75. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    76. 

  76. // CHECK:STDOUT: }
    77. 

  77. // CHECK:STDOUT:
    78. 

  78. // CHECK:STDOUT: file {
    79. 

  79. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    80. 

  80. // CHECK:STDOUT:     .Core = imports.%Core
    81. 

  81. // CHECK:STDOUT:     .Defined = %Defined.decl
    82. 

  82. // CHECK:STDOUT:     .CallDefined = %CallDefined.decl
    83. 

  83. // CHECK:STDOUT:   }
    84. 

  84. // CHECK:STDOUT:   %Core.import = import Core
    85. 

  85. // CHECK:STDOUT:   %Defined.decl: %Defined.type = fn_decl @Defined [template = constants.%Defined] {
    86. 

  86. // CHECK:STDOUT:     %T.patt.loc4_12.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_12.2 (constants.%T.patt)]
    87. 

  87. // CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc4_12.1, runtime_param<invalid> [symbolic = %T.patt.loc4_12.2 (constants.%T.patt)]
    88. 

  88. // CHECK:STDOUT:     %x.patt: @Defined.%T.loc4_12.2 (%T) = binding_pattern x
    89. 

  89. // CHECK:STDOUT:     %x.param_patt: @Defined.%T.loc4_12.2 (%T) = value_param_pattern %x.patt, runtime_param0
    90. 

  90. // CHECK:STDOUT:     %return.patt: @Defined.%T.loc4_12.2 (%T) = return_slot_pattern
    91. 

  91. // CHECK:STDOUT:     %return.param_patt: @Defined.%T.loc4_12.2 (%T) = out_param_pattern %return.patt, runtime_param1
    92. 

  92. // CHECK:STDOUT:   } {
    93. 

  93. // CHECK:STDOUT:     %T.ref.loc4_25: type = name_ref T, %T.loc4_12.1 [symbolic = %T.loc4_12.2 (constants.%T)]
    94. 

  94. // CHECK:STDOUT:     %T.ref.loc4_31: type = name_ref T, %T.loc4_12.1 [symbolic = %T.loc4_12.2 (constants.%T)]
    95. 

  95. // CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
    96. 

  96. // CHECK:STDOUT:     %T.loc4_12.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc4_12.2 (constants.%T)]
    97. 

  97. // CHECK:STDOUT:     %x.param: @Defined.%T.loc4_12.2 (%T) = value_param runtime_param0
    98. 

  98. // CHECK:STDOUT:     %x: @Defined.%T.loc4_12.2 (%T) = bind_name x, %x.param
    99. 

  99. // CHECK:STDOUT:     %return.param: ref @Defined.%T.loc4_12.2 (%T) = out_param runtime_param1
    100. 

  100. // CHECK:STDOUT:     %return: ref @Defined.%T.loc4_12.2 (%T) = return_slot %return.param
    101. 

  101. // CHECK:STDOUT:   }
    102. 

  102. // CHECK:STDOUT:   %CallDefined.decl: %CallDefined.type = fn_decl @CallDefined [template = constants.%CallDefined] {
    103. 

  103. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    104. 

  104. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
    105. 

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

  106. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    107. 

  107. // CHECK:STDOUT:     %.loc8_21.1: type = value_of_initializer %int.make_type_32 [template = i32]
    108. 

  108. // CHECK:STDOUT:     %.loc8_21.2: type = converted %int.make_type_32, %.loc8_21.1 [template = i32]
    109. 

  109. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param0
    110. 

  110. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    111. 

  111. // CHECK:STDOUT:   }
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: generic fn @Defined(%T.loc4_12.1: type) {
    115. 

  115. // CHECK:STDOUT:   %T.loc4_12.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_12.2 (constants.%T)]
    116. 

  116. // CHECK:STDOUT:   %T.patt.loc4_12.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_12.2 (constants.%T.patt)]
    117. 

  117. // CHECK:STDOUT:
    118. 

  118. // CHECK:STDOUT: !definition:
    119. 

  119. // CHECK:STDOUT:
    120. 

  120. // CHECK:STDOUT:   fn[%T.param_patt: type](%x.param_patt: @Defined.%T.loc4_12.2 (%T)) -> @Defined.%T.loc4_12.2 (%T) {
    121. 

  121. // CHECK:STDOUT:   !entry:
    122. 

  122. // CHECK:STDOUT:     %x.ref: @Defined.%T.loc4_12.2 (%T) = name_ref x, %x
    123. 

  123. // CHECK:STDOUT:     return %x.ref
    124. 

  124. // CHECK:STDOUT:   }
    125. 

  125. // CHECK:STDOUT: }
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    128. 

  128. // CHECK:STDOUT:
    129. 

  129. // CHECK:STDOUT: fn @CallDefined() -> i32 {
    130. 

  130. // CHECK:STDOUT: !entry:
    131. 

  131. // CHECK:STDOUT:   %Defined.ref: %Defined.type = name_ref Defined, file.%Defined.decl [template = constants.%Defined]
    132. 

  132. // CHECK:STDOUT:   %.loc9_18: i32 = int_value 0 [template = constants.%.2]
    133. 

  133. // CHECK:STDOUT:   %.loc9_10: <specific function> = specific_function %Defined.ref, @Defined(i32) [template = constants.%.3]
    134. 

  134. // CHECK:STDOUT:   %Defined.call: init i32 = call %.loc9_10(%.loc9_18)
    135. 

  135. // CHECK:STDOUT:   %.loc9_20.1: i32 = value_of_initializer %Defined.call
    136. 

  136. // CHECK:STDOUT:   %.loc9_20.2: i32 = converted %Defined.call, %.loc9_20.1
    137. 

  137. // CHECK:STDOUT:   return %.loc9_20.2
    138. 

  138. // CHECK:STDOUT: }
    139. 

  139. // CHECK:STDOUT:
    140. 

  140. // CHECK:STDOUT: specific @Defined(constants.%T) {
    141. 

  141. // CHECK:STDOUT:   %T.loc4_12.2 => constants.%T
    142. 

  142. // CHECK:STDOUT:   %T.patt.loc4_12.2 => constants.%T
    143. 

  143. // CHECK:STDOUT: }
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: specific @Defined(i32) {
    146. 

  146. // CHECK:STDOUT:   %T.loc4_12.2 => i32
    147. 

  147. // CHECK:STDOUT:   %T.patt.loc4_12.2 => i32
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: !definition:
    150. 

  150. // CHECK:STDOUT: }
    151. 

  151. // CHECK:STDOUT:
    152. 

  152. // CHECK:STDOUT: --- call_defined_late.carbon
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: constants {
    155. 

  155. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
    156. 

  156. // CHECK:STDOUT:   %T.patt.1: type = symbolic_binding_pattern T, 0 [symbolic]
    157. 

  157. // CHECK:STDOUT:   %Defined.type: type = fn_type @Defined [template]
    158. 

  158. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    159. 

  159. // CHECK:STDOUT:   %Defined: %Defined.type = struct_value () [template]
    160. 

  160. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    161. 

  161. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    162. 

  162. // CHECK:STDOUT:   %CallDefined.type: type = fn_type @CallDefined [template]
    163. 

  163. // CHECK:STDOUT:   %CallDefined: %CallDefined.type = struct_value () [template]
    164. 

  164. // CHECK:STDOUT:   %.2: i32 = int_value 0 [template]
    165. 

  165. // CHECK:STDOUT:   %.3: <specific function> = specific_function %Defined, @Defined(i32) [template]
    166. 

  166. // CHECK:STDOUT:   %T.patt.2: type = symbolic_binding_pattern T, 0 [symbolic]
    167. 

  167. // CHECK:STDOUT: }
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: imports {
    170. 

  170. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    171. 

  171. // CHECK:STDOUT:     .Int32 = %import_ref
    172. 

  172. // CHECK:STDOUT:     import Core//prelude
    173. 

  173. // CHECK:STDOUT:     import Core//prelude/...
    174. 

  174. // CHECK:STDOUT:   }
    175. 

  175. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    176. 

  176. // CHECK:STDOUT: }
    177. 

  177. // CHECK:STDOUT:
    178. 

  178. // CHECK:STDOUT: file {
    179. 

  179. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    180. 

  180. // CHECK:STDOUT:     .Core = imports.%Core
    181. 

  181. // CHECK:STDOUT:     .Defined = %Defined.decl.loc4
    182. 

  182. // CHECK:STDOUT:     .CallDefined = %CallDefined.decl
    183. 

  183. // CHECK:STDOUT:   }
    184. 

  184. // CHECK:STDOUT:   %Core.import = import Core
    185. 

  185. // CHECK:STDOUT:   %Defined.decl.loc4: %Defined.type = fn_decl @Defined [template = constants.%Defined] {
    186. 

  186. // CHECK:STDOUT:     %T.patt.loc10: type = symbolic_binding_pattern T, 0 [symbolic = constants.%T.patt.2]
    187. 

  187. // CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc10, runtime_param<invalid> [symbolic = constants.%T.patt.2]
    188. 

  188. // CHECK:STDOUT:     %x.patt: %T = binding_pattern x
    189. 

  189. // CHECK:STDOUT:     %x.param_patt: %T = value_param_pattern %x.patt, runtime_param0
    190. 

  190. // CHECK:STDOUT:     %return.patt: %T = return_slot_pattern
    191. 

  191. // CHECK:STDOUT:     %return.param_patt: %T = out_param_pattern %return.patt, runtime_param1
    192. 

  192. // CHECK:STDOUT:   } {
    193. 

  193. // CHECK:STDOUT:     %T.ref.loc4_25: type = name_ref T, %T.loc4_12.1 [symbolic = %T.loc4_12.2 (constants.%T)]
    194. 

  194. // CHECK:STDOUT:     %T.ref.loc4_31: type = name_ref T, %T.loc4_12.1 [symbolic = %T.loc4_12.2 (constants.%T)]
    195. 

  195. // CHECK:STDOUT:     %T.param.loc4: type = value_param runtime_param<invalid>
    196. 

  196. // CHECK:STDOUT:     %T.loc4_12.1: type = bind_symbolic_name T, 0, %T.param.loc4 [symbolic = %T.loc4_12.2 (constants.%T)]
    197. 

  197. // CHECK:STDOUT:     %x.param.loc4: @Defined.%T.loc4_12.2 (%T) = value_param runtime_param0
    198. 

  198. // CHECK:STDOUT:     %x.loc4: @Defined.%T.loc4_12.2 (%T) = bind_name x, %x.param.loc4
    199. 

  199. // CHECK:STDOUT:     %return.param.loc4: ref @Defined.%T.loc4_12.2 (%T) = out_param runtime_param1
    200. 

  200. // CHECK:STDOUT:     %.loc4: ref @Defined.%T.loc4_12.2 (%T) = return_slot %return.param.loc4
    201. 

  201. // CHECK:STDOUT:   }
    202. 

  202. // CHECK:STDOUT:   %CallDefined.decl: %CallDefined.type = fn_decl @CallDefined [template = constants.%CallDefined] {
    203. 

  203. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    204. 

  204. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
    205. 

  205. // CHECK:STDOUT:   } {
    206. 

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

  207. // CHECK:STDOUT:     %.loc6_21.1: type = value_of_initializer %int.make_type_32 [template = i32]
    208. 

  208. // CHECK:STDOUT:     %.loc6_21.2: type = converted %int.make_type_32, %.loc6_21.1 [template = i32]
    209. 

  209. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param0
    210. 

  210. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    211. 

  211. // CHECK:STDOUT:   }
    212. 

  212. // CHECK:STDOUT:   %Defined.decl.loc10: %Defined.type = fn_decl @Defined [template = constants.%Defined] {
    213. 

  213. // CHECK:STDOUT:     %T.patt.loc10: type = symbolic_binding_pattern T, 0 [symbolic = constants.%T.patt.2]
    214. 

  214. // CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc10, runtime_param<invalid> [symbolic = constants.%T.patt.2]
    215. 

  215. // CHECK:STDOUT:     %x.patt: %T = binding_pattern x
    216. 

  216. // CHECK:STDOUT:     %x.param_patt: %T = value_param_pattern %x.patt, runtime_param0
    217. 

  217. // CHECK:STDOUT:     %return.patt: %T = return_slot_pattern
    218. 

  218. // CHECK:STDOUT:     %return.param_patt: %T = out_param_pattern %return.patt, runtime_param1
    219. 

  219. // CHECK:STDOUT:   } {
    220. 

  220. // CHECK:STDOUT:     %T.ref.loc10_25: type = name_ref T, %T.loc10 [symbolic = constants.%T]
    221. 

  221. // CHECK:STDOUT:     %T.ref.loc10_31: type = name_ref T, %T.loc10 [symbolic = constants.%T]
    222. 

  222. // CHECK:STDOUT:     %T.param.loc10: type = value_param runtime_param<invalid>
    223. 

  223. // CHECK:STDOUT:     %T.loc10: type = bind_symbolic_name T, 0, %T.param.loc10 [symbolic = constants.%T]
    224. 

  224. // CHECK:STDOUT:     %x.param.loc10: %T = value_param runtime_param0
    225. 

  225. // CHECK:STDOUT:     %x.loc10: %T = bind_name x, %x.param.loc10
    226. 

  226. // CHECK:STDOUT:     %return.param.loc10: ref %T = out_param runtime_param1
    227. 

  227. // CHECK:STDOUT:     %return: ref %T = return_slot %return.param.loc10
    228. 

  228. // CHECK:STDOUT:   }
    229. 

  229. // CHECK:STDOUT: }
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: generic fn @Defined(%T.loc4_12.1: type) {
    232. 

  232. // CHECK:STDOUT:   %T.loc4_12.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_12.2 (constants.%T)]
    233. 

  233. // CHECK:STDOUT:   %T.patt.loc4: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4 (constants.%T.patt.1)]
    234. 

  234. // CHECK:STDOUT:
    235. 

  235. // CHECK:STDOUT: !definition:
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT:   fn[%T.param_patt: type](%x.param_patt: %T) -> %T {
    238. 

  238. // CHECK:STDOUT:   !entry:
    239. 

  239. // CHECK:STDOUT:     %x.ref: @Defined.%T.loc4_12.2 (%T) = name_ref x, %x.loc10
    240. 

  240. // CHECK:STDOUT:     return %x.ref
    241. 

  241. // CHECK:STDOUT:   }
    242. 

  242. // CHECK:STDOUT: }
    243. 

  243. // CHECK:STDOUT:
    244. 

  244. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    245. 

  245. // CHECK:STDOUT:
    246. 

  246. // CHECK:STDOUT: fn @CallDefined() -> i32 {
    247. 

  247. // CHECK:STDOUT: !entry:
    248. 

  248. // CHECK:STDOUT:   %Defined.ref: %Defined.type = name_ref Defined, file.%Defined.decl.loc4 [template = constants.%Defined]
    249. 

  249. // CHECK:STDOUT:   %.loc7_18: i32 = int_value 0 [template = constants.%.2]
    250. 

  250. // CHECK:STDOUT:   %.loc7_10: <specific function> = specific_function %Defined.ref, @Defined(i32) [template = constants.%.3]
    251. 

  251. // CHECK:STDOUT:   %Defined.call: init i32 = call %.loc7_10(%.loc7_18)
    252. 

  252. // CHECK:STDOUT:   %.loc7_20.1: i32 = value_of_initializer %Defined.call
    253. 

  253. // CHECK:STDOUT:   %.loc7_20.2: i32 = converted %Defined.call, %.loc7_20.1
    254. 

  254. // CHECK:STDOUT:   return %.loc7_20.2
    255. 

  255. // CHECK:STDOUT: }
    256. 

  256. // CHECK:STDOUT:
    257. 

  257. // CHECK:STDOUT: specific @Defined(constants.%T) {
    258. 

  258. // CHECK:STDOUT:   %T.loc4_12.2 => constants.%T
    259. 

  259. // CHECK:STDOUT:   %T.patt.loc4 => constants.%T
    260. 

  260. // CHECK:STDOUT: }
    261. 

  261. // CHECK:STDOUT:
    262. 

  262. // CHECK:STDOUT: specific @Defined(i32) {
    263. 

  263. // CHECK:STDOUT:   %T.loc4_12.2 => i32
    264. 

  264. // CHECK:STDOUT:   %T.patt.loc4 => i32
    265. 

  265. // CHECK:STDOUT:
    266. 

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

  267. // CHECK:STDOUT: }
    268. 

  268. // CHECK:STDOUT:
    269. 

  269. // CHECK:STDOUT: --- fail_call_undefined.carbon
    270. 

  270. // CHECK:STDOUT:
    271. 

  271. // CHECK:STDOUT: constants {
    272. 

  272. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
    273. 

  273. // CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
    274. 

  274. // CHECK:STDOUT:   %Undefined.type: type = fn_type @Undefined [template]
    275. 

  275. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    276. 

  276. // CHECK:STDOUT:   %Undefined: %Undefined.type = struct_value () [template]
    277. 

  277. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    278. 

  278. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    279. 

  279. // CHECK:STDOUT:   %CallUndefined.type: type = fn_type @CallUndefined [template]
    280. 

  280. // CHECK:STDOUT:   %CallUndefined: %CallUndefined.type = struct_value () [template]
    281. 

  281. // CHECK:STDOUT:   %.2: i32 = int_value 0 [template]
    282. 

  282. // CHECK:STDOUT:   %.3: <specific function> = specific_function %Undefined, @Undefined(i32) [template]
    283. 

  283. // CHECK:STDOUT: }
    284. 

  284. // CHECK:STDOUT:
    285. 

  285. // CHECK:STDOUT: imports {
    286. 

  286. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    287. 

  287. // CHECK:STDOUT:     .Int32 = %import_ref
    288. 

  288. // CHECK:STDOUT:     import Core//prelude
    289. 

  289. // CHECK:STDOUT:     import Core//prelude/...
    290. 

  290. // CHECK:STDOUT:   }
    291. 

  291. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    292. 

  292. // CHECK:STDOUT: }
    293. 

  293. // CHECK:STDOUT:
    294. 

  294. // CHECK:STDOUT: file {
    295. 

  295. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    296. 

  296. // CHECK:STDOUT:     .Core = imports.%Core
    297. 

  297. // CHECK:STDOUT:     .Undefined = %Undefined.decl
    298. 

  298. // CHECK:STDOUT:     .CallUndefined = %CallUndefined.decl
    299. 

  299. // CHECK:STDOUT:   }
    300. 

  300. // CHECK:STDOUT:   %Core.import = import Core
    301. 

  301. // CHECK:STDOUT:   %Undefined.decl: %Undefined.type = fn_decl @Undefined [template = constants.%Undefined] {
    302. 

  302. // CHECK:STDOUT:     %T.patt.loc4_14.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_14.2 (constants.%T.patt)]
    303. 

  303. // CHECK:STDOUT:     %T.param_patt: type = value_param_pattern %T.patt.loc4_14.1, runtime_param<invalid> [symbolic = %T.patt.loc4_14.2 (constants.%T.patt)]
    304. 

  304. // CHECK:STDOUT:     %x.patt: @Undefined.%T.loc4_14.2 (%T) = binding_pattern x
    305. 

  305. // CHECK:STDOUT:     %x.param_patt: @Undefined.%T.loc4_14.2 (%T) = value_param_pattern %x.patt, runtime_param0
    306. 

  306. // CHECK:STDOUT:     %return.patt: @Undefined.%T.loc4_14.2 (%T) = return_slot_pattern
    307. 

  307. // CHECK:STDOUT:     %return.param_patt: @Undefined.%T.loc4_14.2 (%T) = out_param_pattern %return.patt, runtime_param1
    308. 

  308. // CHECK:STDOUT:   } {
    309. 

  309. // CHECK:STDOUT:     %T.ref.loc4_27: type = name_ref T, %T.loc4_14.1 [symbolic = %T.loc4_14.2 (constants.%T)]
    310. 

  310. // CHECK:STDOUT:     %T.ref.loc4_33: type = name_ref T, %T.loc4_14.1 [symbolic = %T.loc4_14.2 (constants.%T)]
    311. 

  311. // CHECK:STDOUT:     %T.param: type = value_param runtime_param<invalid>
    312. 

  312. // CHECK:STDOUT:     %T.loc4_14.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc4_14.2 (constants.%T)]
    313. 

  313. // CHECK:STDOUT:     %x.param: @Undefined.%T.loc4_14.2 (%T) = value_param runtime_param0
    314. 

  314. // CHECK:STDOUT:     %x: @Undefined.%T.loc4_14.2 (%T) = bind_name x, %x.param
    315. 

  315. // CHECK:STDOUT:     %return.param: ref @Undefined.%T.loc4_14.2 (%T) = out_param runtime_param1
    316. 

  316. // CHECK:STDOUT:     %return: ref @Undefined.%T.loc4_14.2 (%T) = return_slot %return.param
    317. 

  317. // CHECK:STDOUT:   }
    318. 

  318. // CHECK:STDOUT:   %CallUndefined.decl: %CallUndefined.type = fn_decl @CallUndefined [template = constants.%CallUndefined] {
    319. 

  319. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    320. 

  320. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
    321. 

  321. // CHECK:STDOUT:   } {
    322. 

  322. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    323. 

  323. // CHECK:STDOUT:     %.loc6_23.1: type = value_of_initializer %int.make_type_32 [template = i32]
    324. 

  324. // CHECK:STDOUT:     %.loc6_23.2: type = converted %int.make_type_32, %.loc6_23.1 [template = i32]
    325. 

  325. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param0
    326. 

  326. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    327. 

  327. // CHECK:STDOUT:   }
    328. 

  328. // CHECK:STDOUT: }
    329. 

  329. // CHECK:STDOUT:
    330. 

  330. // CHECK:STDOUT: generic fn @Undefined(%T.loc4_14.1: type) {
    331. 

  331. // CHECK:STDOUT:   %T.loc4_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_14.2 (constants.%T)]
    332. 

  332. // CHECK:STDOUT:   %T.patt.loc4_14.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_14.2 (constants.%T.patt)]
    333. 

  333. // CHECK:STDOUT:
    334. 

  334. // CHECK:STDOUT:   fn[%T.param_patt: type](%x.param_patt: @Undefined.%T.loc4_14.2 (%T)) -> @Undefined.%T.loc4_14.2 (%T);
    335. 

  335. // CHECK:STDOUT: }
    336. 

  336. // CHECK:STDOUT:
    337. 

  337. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    338. 

  338. // CHECK:STDOUT:
    339. 

  339. // CHECK:STDOUT: fn @CallUndefined() -> i32 {
    340. 

  340. // CHECK:STDOUT: !entry:
    341. 

  341. // CHECK:STDOUT:   %Undefined.ref: %Undefined.type = name_ref Undefined, file.%Undefined.decl [template = constants.%Undefined]
    342. 

  342. // CHECK:STDOUT:   %.loc13_20: i32 = int_value 0 [template = constants.%.2]
    343. 

  343. // CHECK:STDOUT:   %.loc13_10: <specific function> = specific_function %Undefined.ref, @Undefined(i32) [template = constants.%.3]
    344. 

  344. // CHECK:STDOUT:   %Undefined.call: init i32 = call %.loc13_10(%.loc13_20)
    345. 

  345. // CHECK:STDOUT:   %.loc13_22.1: i32 = value_of_initializer %Undefined.call
    346. 

  346. // CHECK:STDOUT:   %.loc13_22.2: i32 = converted %Undefined.call, %.loc13_22.1
    347. 

  347. // CHECK:STDOUT:   return %.loc13_22.2
    348. 

  348. // CHECK:STDOUT: }
    349. 

  349. // CHECK:STDOUT:
    350. 

  350. // CHECK:STDOUT: specific @Undefined(constants.%T) {
    351. 

  351. // CHECK:STDOUT:   %T.loc4_14.2 => constants.%T
    352. 

  352. // CHECK:STDOUT:   %T.patt.loc4_14.2 => constants.%T
    353. 

  353. // CHECK:STDOUT: }
    354. 

  354. // CHECK:STDOUT:
    355. 

  355. // CHECK:STDOUT: specific @Undefined(i32) {
    356. 

  356. // CHECK:STDOUT:   %T.loc4_14.2 => i32
    357. 

  357. // CHECK:STDOUT:   %T.patt.loc4_14.2 => i32
    358. 

  358. // CHECK:STDOUT: }
    359. 

  359. // CHECK:STDOUT:
    360.