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import.carbon

import.carbon 93 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. //
    8. 

  8. // AUTOUPDATE
    9. 

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

  10. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/declaration/import.carbon
    11. 

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

  12. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/declaration/import.carbon
    13. 

  13. 

  14. // ============================================================================
    15. 

  15. // Setup files
    16. 

  16. // ============================================================================
    17. 

  17. 

  18. // --- api.carbon
    19. 

  19. 

  20. library "[[@TEST_NAME]]";
    21. 

  21. 

  22. fn A();
    23. 

  23. fn B(b: i32) -> i32;
    24. 

  24. fn C(c: (i32,)) -> {.c: i32};
    25. 

  25. extern fn D();
    26. 

  26. 

  27. namespace NS;
    28. 

  28. fn NS.E();
    29. 

  29. 

  30. // --- extern_api.carbon
    31. 

  31. 

  32. library "[[@TEST_NAME]]";
    33. 

  33. 

  34. extern library "redecl_extern_api" fn A();
    35. 

  35. extern library "redecl_extern_api" fn B(b: i32) -> i32;
    36. 

  36. extern library "redecl_extern_api" fn C(c: (i32,)) -> {.c: i32};
    37. 

  37. extern library "redecl_extern_api" fn D();
    38. 

  38. 

  39. namespace NS;
    40. 

  40. extern library "redecl_extern_api" fn NS.E();
    41. 

  41. 

  42. // ============================================================================
    43. 

  43. // Test files
    44. 

  44. // ============================================================================
    45. 

  45. 

  46. // --- basics.carbon
    47. 

  47. 

  48. library "[[@TEST_NAME]]";
    49. 

  49. 

  50. import library "api";
    51. 

  51. 

  52. var a: () = A();
    53. 

  53. var b: i32 = B(1);
    54. 

  54. var c: {.c: i32} = C((1,));
    55. 

  55. var d: () = D();
    56. 

  56. var e: () = NS.E();
    57. 

  57. 

  58. // --- fail_redecl_api.carbon
    59. 

  59. 

  60. library "[[@TEST_NAME]]";
    61. 

  61. 

  62. import library "api";
    63. 

  63. 

  64. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE+8]]:1: error: redeclarations of `fn A` must match use of `extern` [RedeclExternMismatch]
    65. 

  65. // CHECK:STDERR: extern fn A();
    66. 

  66. // CHECK:STDERR: ^~~~~~~~~~~~~~
    67. 

  67. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE-5]]:1: in import [InImport]
    68. 

  68. // CHECK:STDERR: api.carbon:4:1: note: previously declared here [RedeclPrevDecl]
    69. 

  69. // CHECK:STDERR: fn A();
    70. 

  70. // CHECK:STDERR: ^~~~~~~
    71. 

  71. // CHECK:STDERR:
    72. 

  72. extern fn A();
    73. 

  73. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE+8]]:1: error: redeclarations of `fn B` must match use of `extern` [RedeclExternMismatch]
    74. 

  74. // CHECK:STDERR: extern fn B(b: i32) -> i32;
    75. 

  75. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    76. 

  76. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE-14]]:1: in import [InImport]
    77. 

  77. // CHECK:STDERR: api.carbon:5:1: note: previously declared here [RedeclPrevDecl]
    78. 

  78. // CHECK:STDERR: fn B(b: i32) -> i32;
    79. 

  79. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
    80. 

  80. // CHECK:STDERR:
    81. 

  81. extern fn B(b: i32) -> i32;
    82. 

  82. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE+8]]:1: error: redeclarations of `fn C` must match use of `extern` [RedeclExternMismatch]
    83. 

  83. // CHECK:STDERR: extern fn C(c: (i32,)) -> {.c: i32};
    84. 

  84. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    85. 

  85. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE-23]]:1: in import [InImport]
    86. 

  86. // CHECK:STDERR: api.carbon:6:1: note: previously declared here [RedeclPrevDecl]
    87. 

  87. // CHECK:STDERR: fn C(c: (i32,)) -> {.c: i32};
    88. 

  88. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    89. 

  89. // CHECK:STDERR:
    90. 

  90. extern fn C(c: (i32,)) -> {.c: i32};
    91. 

  91. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE+8]]:1: error: redeclaration of `fn D` is redundant [RedeclRedundant]
    92. 

  92. // CHECK:STDERR: extern fn D();
    93. 

  93. // CHECK:STDERR: ^~~~~~~~~~~~~~
    94. 

  94. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE-32]]:1: in import [InImport]
    95. 

  95. // CHECK:STDERR: api.carbon:7:1: note: previously declared here [RedeclPrevDecl]
    96. 

  96. // CHECK:STDERR: extern fn D();
    97. 

  97. // CHECK:STDERR: ^~~~~~~~~~~~~~
    98. 

  98. // CHECK:STDERR:
    99. 

  99. extern fn D();
    100. 

  100. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE+8]]:1: error: redeclarations of `fn E` must match use of `extern` [RedeclExternMismatch]
    101. 

  101. // CHECK:STDERR: extern fn NS.E();
    102. 

  102. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~
    103. 

  103. // CHECK:STDERR: fail_redecl_api.carbon:[[@LINE-41]]:1: in import [InImport]
    104. 

  104. // CHECK:STDERR: api.carbon:10:1: note: previously declared here [RedeclPrevDecl]
    105. 

  105. // CHECK:STDERR: fn NS.E();
    106. 

  106. // CHECK:STDERR: ^~~~~~~~~~
    107. 

  107. // CHECK:STDERR:
    108. 

  108. extern fn NS.E();
    109. 

  109. 

  110. var a: () = A();
    111. 

  111. var b: i32 = B(1);
    112. 

  112. var c: {.c: i32} = C((1,));
    113. 

  113. var d: () = D();
    114. 

  114. var e: () = NS.E();
    115. 

  115. 

  116. // --- redecl_extern_api.carbon
    117. 

  117. 

  118. library "[[@TEST_NAME]]";
    119. 

  119. 

  120. import library "extern_api";
    121. 

  121. 

  122. extern fn A();
    123. 

  123. extern fn B(b: i32) -> i32;
    124. 

  124. extern fn C(c: (i32,)) -> {.c: i32};
    125. 

  125. extern fn D();
    126. 

  126. extern fn NS.E();
    127. 

  127. 

  128. var a: () = A();
    129. 

  129. var b: i32 = B(1);
    130. 

  130. var c: {.c: i32} = C((1,));
    131. 

  131. var d: () = D();
    132. 

  132. var e: () = NS.E();
    133. 

  133. 

  134. // --- fail_merge.carbon
    135. 

  135. 

  136. library "[[@TEST_NAME]]";
    137. 

  137. 

  138. // CHECK:STDERR: fail_merge.carbon:[[@LINE+45]]:1: in import [InImport]
    139. 

  139. // CHECK:STDERR: extern_api.carbon:4:1: error: duplicate name `A` being declared in the same scope [NameDeclDuplicate]
    140. 

  140. // CHECK:STDERR: extern library "redecl_extern_api" fn A();
    141. 

  141. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    142. 

  142. // CHECK:STDERR: fail_merge.carbon:[[@LINE+41]]:1: in import [InImport]
    143. 

  143. // CHECK:STDERR: api.carbon:4:1: note: name is previously declared here [NameDeclPrevious]
    144. 

  144. // CHECK:STDERR: fn A();
    145. 

  145. // CHECK:STDERR: ^~~~~~~
    146. 

  146. // CHECK:STDERR:
    147. 

  147. // CHECK:STDERR: fail_merge.carbon:[[@LINE+36]]:1: in import [InImport]
    148. 

  148. // CHECK:STDERR: extern_api.carbon:5:1: error: duplicate name `B` being declared in the same scope [NameDeclDuplicate]
    149. 

  149. // CHECK:STDERR: extern library "redecl_extern_api" fn B(b: i32) -> i32;
    150. 

  150. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    151. 

  151. // CHECK:STDERR: fail_merge.carbon:[[@LINE+32]]:1: in import [InImport]
    152. 

  152. // CHECK:STDERR: api.carbon:5:1: note: name is previously declared here [NameDeclPrevious]
    153. 

  153. // CHECK:STDERR: fn B(b: i32) -> i32;
    154. 

  154. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
    155. 

  155. // CHECK:STDERR:
    156. 

  156. // CHECK:STDERR: fail_merge.carbon:[[@LINE+27]]:1: in import [InImport]
    157. 

  157. // CHECK:STDERR: extern_api.carbon:6:1: error: duplicate name `C` being declared in the same scope [NameDeclDuplicate]
    158. 

  158. // CHECK:STDERR: extern library "redecl_extern_api" fn C(c: (i32,)) -> {.c: i32};
    159. 

  159. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    160. 

  160. // CHECK:STDERR: fail_merge.carbon:[[@LINE+23]]:1: in import [InImport]
    161. 

  161. // CHECK:STDERR: api.carbon:6:1: note: name is previously declared here [NameDeclPrevious]
    162. 

  162. // CHECK:STDERR: fn C(c: (i32,)) -> {.c: i32};
    163. 

  163. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    164. 

  164. // CHECK:STDERR:
    165. 

  165. // CHECK:STDERR: fail_merge.carbon:[[@LINE+18]]:1: in import [InImport]
    166. 

  166. // CHECK:STDERR: extern_api.carbon:7:1: error: duplicate name `D` being declared in the same scope [NameDeclDuplicate]
    167. 

  167. // CHECK:STDERR: extern library "redecl_extern_api" fn D();
    168. 

  168. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    169. 

  169. // CHECK:STDERR: fail_merge.carbon:[[@LINE+14]]:1: in import [InImport]
    170. 

  170. // CHECK:STDERR: api.carbon:7:1: note: name is previously declared here [NameDeclPrevious]
    171. 

  171. // CHECK:STDERR: extern fn D();
    172. 

  172. // CHECK:STDERR: ^~~~~~~~~~~~~~
    173. 

  173. // CHECK:STDERR:
    174. 

  174. // CHECK:STDERR: fail_merge.carbon:[[@LINE+9]]:1: in import [InImport]
    175. 

  175. // CHECK:STDERR: extern_api.carbon:10:1: error: duplicate name `E` being declared in the same scope [NameDeclDuplicate]
    176. 

  176. // CHECK:STDERR: extern library "redecl_extern_api" fn NS.E();
    177. 

  177. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    178. 

  178. // CHECK:STDERR: fail_merge.carbon:[[@LINE+5]]:1: in import [InImport]
    179. 

  179. // CHECK:STDERR: api.carbon:10:1: note: name is previously declared here [NameDeclPrevious]
    180. 

  180. // CHECK:STDERR: fn NS.E();
    181. 

  181. // CHECK:STDERR: ^~~~~~~~~~
    182. 

  182. // CHECK:STDERR:
    183. 

  183. import library "api";
    184. 

  184. import library "extern_api";
    185. 

  185. 

  186. var a: () = A();
    187. 

  187. var b: i32 = B(1);
    188. 

  188. var c: {.c: i32} = C((1,));
    189. 

  189. var d: () = D();
    190. 

  190. var e: () = NS.E();
    191. 

  191. 

  192. // --- fail_merge_reverse.carbon
    193. 

  193. 

  194. library "[[@TEST_NAME]]";
    195. 

  195. 

  196. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+45]]:1: in import [InImport]
    197. 

  197. // CHECK:STDERR: api.carbon:4:1: error: duplicate name `A` being declared in the same scope [NameDeclDuplicate]
    198. 

  198. // CHECK:STDERR: fn A();
    199. 

  199. // CHECK:STDERR: ^~~~~~~
    200. 

  200. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+41]]:1: in import [InImport]
    201. 

  201. // CHECK:STDERR: extern_api.carbon:4:1: note: name is previously declared here [NameDeclPrevious]
    202. 

  202. // CHECK:STDERR: extern library "redecl_extern_api" fn A();
    203. 

  203. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    204. 

  204. // CHECK:STDERR:
    205. 

  205. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+36]]:1: in import [InImport]
    206. 

  206. // CHECK:STDERR: api.carbon:5:1: error: duplicate name `B` being declared in the same scope [NameDeclDuplicate]
    207. 

  207. // CHECK:STDERR: fn B(b: i32) -> i32;
    208. 

  208. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
    209. 

  209. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+32]]:1: in import [InImport]
    210. 

  210. // CHECK:STDERR: extern_api.carbon:5:1: note: name is previously declared here [NameDeclPrevious]
    211. 

  211. // CHECK:STDERR: extern library "redecl_extern_api" fn B(b: i32) -> i32;
    212. 

  212. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    213. 

  213. // CHECK:STDERR:
    214. 

  214. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+27]]:1: in import [InImport]
    215. 

  215. // CHECK:STDERR: api.carbon:6:1: error: duplicate name `C` being declared in the same scope [NameDeclDuplicate]
    216. 

  216. // CHECK:STDERR: fn C(c: (i32,)) -> {.c: i32};
    217. 

  217. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    218. 

  218. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+23]]:1: in import [InImport]
    219. 

  219. // CHECK:STDERR: extern_api.carbon:6:1: note: name is previously declared here [NameDeclPrevious]
    220. 

  220. // CHECK:STDERR: extern library "redecl_extern_api" fn C(c: (i32,)) -> {.c: i32};
    221. 

  221. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    222. 

  222. // CHECK:STDERR:
    223. 

  223. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+18]]:1: in import [InImport]
    224. 

  224. // CHECK:STDERR: api.carbon:7:1: error: duplicate name `D` being declared in the same scope [NameDeclDuplicate]
    225. 

  225. // CHECK:STDERR: extern fn D();
    226. 

  226. // CHECK:STDERR: ^~~~~~~~~~~~~~
    227. 

  227. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+14]]:1: in import [InImport]
    228. 

  228. // CHECK:STDERR: extern_api.carbon:7:1: note: name is previously declared here [NameDeclPrevious]
    229. 

  229. // CHECK:STDERR: extern library "redecl_extern_api" fn D();
    230. 

  230. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    231. 

  231. // CHECK:STDERR:
    232. 

  232. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+9]]:1: in import [InImport]
    233. 

  233. // CHECK:STDERR: api.carbon:10:1: error: duplicate name `E` being declared in the same scope [NameDeclDuplicate]
    234. 

  234. // CHECK:STDERR: fn NS.E();
    235. 

  235. // CHECK:STDERR: ^~~~~~~~~~
    236. 

  236. // CHECK:STDERR: fail_merge_reverse.carbon:[[@LINE+5]]:1: in import [InImport]
    237. 

  237. // CHECK:STDERR: extern_api.carbon:10:1: note: name is previously declared here [NameDeclPrevious]
    238. 

  238. // CHECK:STDERR: extern library "redecl_extern_api" fn NS.E();
    239. 

  239. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    240. 

  240. // CHECK:STDERR:
    241. 

  241. import library "extern_api";
    242. 

  242. import library "api";
    243. 

  243. 

  244. var a: () = A();
    245. 

  245. var b: i32 = B(1);
    246. 

  246. var c: {.c: i32} = C((1,));
    247. 

  247. var d: () = D();
    248. 

  248. var e: () = NS.E();
    249. 

  249. 

  250. // --- unloaded.carbon
    251. 

  251. 

  252. library "[[@TEST_NAME]]";
    253. 

  253. 

  254. import library "api";
    255. 

  255. 

  256. // --- unloaded_extern.carbon
    257. 

  257. 

  258. library "[[@TEST_NAME]]";
    259. 

  259. 

  260. import library "extern_api";
    261. 

  261. 

  262. // CHECK:STDOUT: --- api.carbon
    263. 

  263. // CHECK:STDOUT:
    264. 

  264. // CHECK:STDOUT: constants {
    265. 

  265. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    266. 

  266. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    267. 

  267. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    268. 

  268. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    269. 

  269. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    270. 

  270. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    271. 

  271. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    272. 

  272. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    273. 

  273. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    274. 

  274. // CHECK:STDOUT:   %tuple.type.85c: type = tuple_type (type) [concrete]
    275. 

  275. // CHECK:STDOUT:   %tuple.type.a1c: type = tuple_type (%i32) [concrete]
    276. 

  276. // CHECK:STDOUT:   %pattern_type.b74: type = pattern_type %tuple.type.a1c [concrete]
    277. 

  277. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    278. 

  278. // CHECK:STDOUT:   %pattern_type.688: type = pattern_type %struct_type.c [concrete]
    279. 

  279. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    280. 

  280. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    281. 

  281. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    282. 

  282. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    283. 

  283. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    284. 

  284. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    285. 

  285. // CHECK:STDOUT: }
    286. 

  286. // CHECK:STDOUT:
    287. 

  287. // CHECK:STDOUT: imports {
    288. 

  288. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    289. 

  289. // CHECK:STDOUT:     .Int = %Core.Int
    290. 

  290. // CHECK:STDOUT:     import Core//prelude
    291. 

  291. // CHECK:STDOUT:     import Core//prelude/...
    292. 

  292. // CHECK:STDOUT:   }
    293. 

  293. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    294. 

  294. // CHECK:STDOUT: }
    295. 

  295. // CHECK:STDOUT:
    296. 

  296. // CHECK:STDOUT: file {
    297. 

  297. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    298. 

  298. // CHECK:STDOUT:     .Core = imports.%Core
    299. 

  299. // CHECK:STDOUT:     .A = %A.decl
    300. 

  300. // CHECK:STDOUT:     .B = %B.decl
    301. 

  301. // CHECK:STDOUT:     .C = %C.decl
    302. 

  302. // CHECK:STDOUT:     .D = %D.decl
    303. 

  303. // CHECK:STDOUT:     .NS = %NS
    304. 

  304. // CHECK:STDOUT:   }
    305. 

  305. // CHECK:STDOUT:   %Core.import = import Core
    306. 

  306. // CHECK:STDOUT:   %A.decl: %A.type = fn_decl @A [concrete = constants.%A] {} {}
    307. 

  307. // CHECK:STDOUT:   %B.decl: %B.type = fn_decl @B [concrete = constants.%B] {
    308. 

  308. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    309. 

  309. // CHECK:STDOUT:     %b.param_patt: %pattern_type.7ce = value_param_pattern %b.patt, call_param0 [concrete]
    310. 

  310. // CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
    311. 

  311. // CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
    312. 

  312. // CHECK:STDOUT:   } {
    313. 

  313. // CHECK:STDOUT:     %int_32.loc5_17: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    314. 

  314. // CHECK:STDOUT:     %i32.loc5_17: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    315. 

  315. // CHECK:STDOUT:     %b.param: %i32 = value_param call_param0
    316. 

  316. // CHECK:STDOUT:     %.loc5: type = splice_block %i32.loc5_9 [concrete = constants.%i32] {
    317. 

  317. // CHECK:STDOUT:       %int_32.loc5_9: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    318. 

  318. // CHECK:STDOUT:       %i32.loc5_9: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    319. 

  319. // CHECK:STDOUT:     }
    320. 

  320. // CHECK:STDOUT:     %b: %i32 = bind_name b, %b.param
    321. 

  321. // CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
    322. 

  322. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    323. 

  323. // CHECK:STDOUT:   }
    324. 

  324. // CHECK:STDOUT:   %C.decl: %C.type = fn_decl @C [concrete = constants.%C] {
    325. 

  325. // CHECK:STDOUT:     %c.patt: %pattern_type.b74 = binding_pattern c [concrete]
    326. 

  326. // CHECK:STDOUT:     %c.param_patt: %pattern_type.b74 = value_param_pattern %c.patt, call_param0 [concrete]
    327. 

  327. // CHECK:STDOUT:     %return.patt: %pattern_type.688 = return_slot_pattern [concrete]
    328. 

  328. // CHECK:STDOUT:     %return.param_patt: %pattern_type.688 = out_param_pattern %return.patt, call_param1 [concrete]
    329. 

  329. // CHECK:STDOUT:   } {
    330. 

  330. // CHECK:STDOUT:     %int_32.loc6_25: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    331. 

  331. // CHECK:STDOUT:     %i32.loc6_25: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    332. 

  332. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    333. 

  333. // CHECK:STDOUT:     %c.param: %tuple.type.a1c = value_param call_param0
    334. 

  334. // CHECK:STDOUT:     %.loc6_14.1: type = splice_block %.loc6_14.3 [concrete = constants.%tuple.type.a1c] {
    335. 

  335. // CHECK:STDOUT:       %int_32.loc6_10: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    336. 

  336. // CHECK:STDOUT:       %i32.loc6_10: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    337. 

  337. // CHECK:STDOUT:       %.loc6_14.2: %tuple.type.85c = tuple_literal (%i32.loc6_10)
    338. 

  338. // CHECK:STDOUT:       %.loc6_14.3: type = converted %.loc6_14.2, constants.%tuple.type.a1c [concrete = constants.%tuple.type.a1c]
    339. 

  339. // CHECK:STDOUT:     }
    340. 

  340. // CHECK:STDOUT:     %c: %tuple.type.a1c = bind_name c, %c.param
    341. 

  341. // CHECK:STDOUT:     %return.param: ref %struct_type.c = out_param call_param1
    342. 

  342. // CHECK:STDOUT:     %return: ref %struct_type.c = return_slot %return.param
    343. 

  343. // CHECK:STDOUT:   }
    344. 

  344. // CHECK:STDOUT:   %D.decl: %D.type = fn_decl @D [concrete = constants.%D] {} {}
    345. 

  345. // CHECK:STDOUT:   %NS: <namespace> = namespace [concrete] {
    346. 

  346. // CHECK:STDOUT:     .E = %E.decl
    347. 

  347. // CHECK:STDOUT:   }
    348. 

  348. // CHECK:STDOUT:   %E.decl: %E.type = fn_decl @E [concrete = constants.%E] {} {}
    349. 

  349. // CHECK:STDOUT: }
    350. 

  350. // CHECK:STDOUT:
    351. 

  351. // CHECK:STDOUT: fn @A();
    352. 

  352. // CHECK:STDOUT:
    353. 

  353. // CHECK:STDOUT: fn @B(%b.param: %i32) -> %i32;
    354. 

  354. // CHECK:STDOUT:
    355. 

  355. // CHECK:STDOUT: fn @C(%c.param: %tuple.type.a1c) -> %struct_type.c;
    356. 

  356. // CHECK:STDOUT:
    357. 

  357. // CHECK:STDOUT: extern fn @D();
    358. 

  358. // CHECK:STDOUT:
    359. 

  359. // CHECK:STDOUT: fn @E();
    360. 

  360. // CHECK:STDOUT:
    361. 

  361. // CHECK:STDOUT: --- extern_api.carbon
    362. 

  362. // CHECK:STDOUT:
    363. 

  363. // CHECK:STDOUT: constants {
    364. 

  364. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    365. 

  365. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    366. 

  366. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    367. 

  367. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    368. 

  368. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    369. 

  369. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    370. 

  370. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    371. 

  371. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    372. 

  372. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    373. 

  373. // CHECK:STDOUT:   %tuple.type.85c: type = tuple_type (type) [concrete]
    374. 

  374. // CHECK:STDOUT:   %tuple.type.a1c: type = tuple_type (%i32) [concrete]
    375. 

  375. // CHECK:STDOUT:   %pattern_type.b74: type = pattern_type %tuple.type.a1c [concrete]
    376. 

  376. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    377. 

  377. // CHECK:STDOUT:   %pattern_type.688: type = pattern_type %struct_type.c [concrete]
    378. 

  378. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    379. 

  379. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    380. 

  380. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    381. 

  381. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    382. 

  382. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    383. 

  383. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    384. 

  384. // CHECK:STDOUT: }
    385. 

  385. // CHECK:STDOUT:
    386. 

  386. // CHECK:STDOUT: imports {
    387. 

  387. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    388. 

  388. // CHECK:STDOUT:     .Int = %Core.Int
    389. 

  389. // CHECK:STDOUT:     import Core//prelude
    390. 

  390. // CHECK:STDOUT:     import Core//prelude/...
    391. 

  391. // CHECK:STDOUT:   }
    392. 

  392. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    393. 

  393. // CHECK:STDOUT: }
    394. 

  394. // CHECK:STDOUT:
    395. 

  395. // CHECK:STDOUT: file {
    396. 

  396. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    397. 

  397. // CHECK:STDOUT:     .Core = imports.%Core
    398. 

  398. // CHECK:STDOUT:     .A = %A.decl
    399. 

  399. // CHECK:STDOUT:     .B = %B.decl
    400. 

  400. // CHECK:STDOUT:     .C = %C.decl
    401. 

  401. // CHECK:STDOUT:     .D = %D.decl
    402. 

  402. // CHECK:STDOUT:     .NS = %NS
    403. 

  403. // CHECK:STDOUT:   }
    404. 

  404. // CHECK:STDOUT:   %Core.import = import Core
    405. 

  405. // CHECK:STDOUT:   %A.decl: %A.type = fn_decl @A [concrete = constants.%A] {} {}
    406. 

  406. // CHECK:STDOUT:   %B.decl: %B.type = fn_decl @B [concrete = constants.%B] {
    407. 

  407. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    408. 

  408. // CHECK:STDOUT:     %b.param_patt: %pattern_type.7ce = value_param_pattern %b.patt, call_param0 [concrete]
    409. 

  409. // CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
    410. 

  410. // CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param1 [concrete]
    411. 

  411. // CHECK:STDOUT:   } {
    412. 

  412. // CHECK:STDOUT:     %int_32.loc5_52: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    413. 

  413. // CHECK:STDOUT:     %i32.loc5_52: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    414. 

  414. // CHECK:STDOUT:     %b.param: %i32 = value_param call_param0
    415. 

  415. // CHECK:STDOUT:     %.loc5: type = splice_block %i32.loc5_44 [concrete = constants.%i32] {
    416. 

  416. // CHECK:STDOUT:       %int_32.loc5_44: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    417. 

  417. // CHECK:STDOUT:       %i32.loc5_44: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    418. 

  418. // CHECK:STDOUT:     }
    419. 

  419. // CHECK:STDOUT:     %b: %i32 = bind_name b, %b.param
    420. 

  420. // CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
    421. 

  421. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    422. 

  422. // CHECK:STDOUT:   }
    423. 

  423. // CHECK:STDOUT:   %C.decl: %C.type = fn_decl @C [concrete = constants.%C] {
    424. 

  424. // CHECK:STDOUT:     %c.patt: %pattern_type.b74 = binding_pattern c [concrete]
    425. 

  425. // CHECK:STDOUT:     %c.param_patt: %pattern_type.b74 = value_param_pattern %c.patt, call_param0 [concrete]
    426. 

  426. // CHECK:STDOUT:     %return.patt: %pattern_type.688 = return_slot_pattern [concrete]
    427. 

  427. // CHECK:STDOUT:     %return.param_patt: %pattern_type.688 = out_param_pattern %return.patt, call_param1 [concrete]
    428. 

  428. // CHECK:STDOUT:   } {
    429. 

  429. // CHECK:STDOUT:     %int_32.loc6_60: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    430. 

  430. // CHECK:STDOUT:     %i32.loc6_60: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    431. 

  431. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    432. 

  432. // CHECK:STDOUT:     %c.param: %tuple.type.a1c = value_param call_param0
    433. 

  433. // CHECK:STDOUT:     %.loc6_49.1: type = splice_block %.loc6_49.3 [concrete = constants.%tuple.type.a1c] {
    434. 

  434. // CHECK:STDOUT:       %int_32.loc6_45: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    435. 

  435. // CHECK:STDOUT:       %i32.loc6_45: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    436. 

  436. // CHECK:STDOUT:       %.loc6_49.2: %tuple.type.85c = tuple_literal (%i32.loc6_45)
    437. 

  437. // CHECK:STDOUT:       %.loc6_49.3: type = converted %.loc6_49.2, constants.%tuple.type.a1c [concrete = constants.%tuple.type.a1c]
    438. 

  438. // CHECK:STDOUT:     }
    439. 

  439. // CHECK:STDOUT:     %c: %tuple.type.a1c = bind_name c, %c.param
    440. 

  440. // CHECK:STDOUT:     %return.param: ref %struct_type.c = out_param call_param1
    441. 

  441. // CHECK:STDOUT:     %return: ref %struct_type.c = return_slot %return.param
    442. 

  442. // CHECK:STDOUT:   }
    443. 

  443. // CHECK:STDOUT:   %D.decl: %D.type = fn_decl @D [concrete = constants.%D] {} {}
    444. 

  444. // CHECK:STDOUT:   %NS: <namespace> = namespace [concrete] {
    445. 

  445. // CHECK:STDOUT:     .E = %E.decl
    446. 

  446. // CHECK:STDOUT:   }
    447. 

  447. // CHECK:STDOUT:   %E.decl: %E.type = fn_decl @E [concrete = constants.%E] {} {}
    448. 

  448. // CHECK:STDOUT: }
    449. 

  449. // CHECK:STDOUT:
    450. 

  450. // CHECK:STDOUT: extern fn @A();
    451. 

  451. // CHECK:STDOUT:
    452. 

  452. // CHECK:STDOUT: extern fn @B(%b.param: %i32) -> %i32;
    453. 

  453. // CHECK:STDOUT:
    454. 

  454. // CHECK:STDOUT: extern fn @C(%c.param: %tuple.type.a1c) -> %struct_type.c;
    455. 

  455. // CHECK:STDOUT:
    456. 

  456. // CHECK:STDOUT: extern fn @D();
    457. 

  457. // CHECK:STDOUT:
    458. 

  458. // CHECK:STDOUT: extern fn @E();
    459. 

  459. // CHECK:STDOUT:
    460. 

  460. // CHECK:STDOUT: --- basics.carbon
    461. 

  461. // CHECK:STDOUT:
    462. 

  462. // CHECK:STDOUT: constants {
    463. 

  463. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    464. 

  464. // CHECK:STDOUT:   %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
    465. 

  465. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    466. 

  466. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    467. 

  467. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    468. 

  468. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    469. 

  469. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    470. 

  470. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    471. 

  471. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    472. 

  472. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    473. 

  473. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    474. 

  474. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    475. 

  475. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    476. 

  476. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    477. 

  477. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    478. 

  478. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    479. 

  479. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    480. 

  480. // CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.3, @impl.4f9(%To.c80) [symbolic]
    481. 

  481. // CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
    482. 

  482. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    483. 

  483. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.3, @impl.4f9(%int_32) [concrete]
    484. 

  484. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    485. 

  485. // CHECK:STDOUT:   %ImplicitAs.facet.921: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    486. 

  486. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet.921 [concrete]
    487. 

  487. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
    488. 

  488. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.3(%int_32) [concrete]
    489. 

  489. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    490. 

  490. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    491. 

  491. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    492. 

  492. // CHECK:STDOUT:   %pattern_type.688: type = pattern_type %struct_type.c [concrete]
    493. 

  493. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    494. 

  494. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    495. 

  495. // CHECK:STDOUT:   %tuple.type.a1c: type = tuple_type (%i32) [concrete]
    496. 

  496. // CHECK:STDOUT:   %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
    497. 

  497. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%int_1.5d2) [concrete]
    498. 

  498. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    499. 

  499. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    500. 

  500. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    501. 

  501. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    502. 

  502. // CHECK:STDOUT: }
    503. 

  503. // CHECK:STDOUT:
    504. 

  504. // CHECK:STDOUT: imports {
    505. 

  505. // CHECK:STDOUT:   %Main.A: %A.type = import_ref Main//api, A, loaded [concrete = constants.%A]
    506. 

  506. // CHECK:STDOUT:   %Main.B: %B.type = import_ref Main//api, B, loaded [concrete = constants.%B]
    507. 

  507. // CHECK:STDOUT:   %Main.C: %C.type = import_ref Main//api, C, loaded [concrete = constants.%C]
    508. 

  508. // CHECK:STDOUT:   %Main.D: %D.type = import_ref Main//api, D, loaded [concrete = constants.%D]
    509. 

  509. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//api, NS, loaded
    510. 

  510. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    511. 

  511. // CHECK:STDOUT:     .E = %Main.E
    512. 

  512. // CHECK:STDOUT:   }
    513. 

  513. // CHECK:STDOUT:   %Main.E: %E.type = import_ref Main//api, E, loaded [concrete = constants.%E]
    514. 

  514. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    515. 

  515. // CHECK:STDOUT:     .Int = %Core.Int
    516. 

  516. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    517. 

  517. // CHECK:STDOUT:     import Core//prelude
    518. 

  518. // CHECK:STDOUT:     import Core//prelude/...
    519. 

  519. // CHECK:STDOUT:   }
    520. 

  520. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    521. 

  521. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    522. 

  522. // CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
    523. 

  523. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
    524. 

  524. // CHECK:STDOUT: }
    525. 

  525. // CHECK:STDOUT:
    526. 

  526. // CHECK:STDOUT: file {
    527. 

  527. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    528. 

  528. // CHECK:STDOUT:     .A = imports.%Main.A
    529. 

  529. // CHECK:STDOUT:     .B = imports.%Main.B
    530. 

  530. // CHECK:STDOUT:     .C = imports.%Main.C
    531. 

  531. // CHECK:STDOUT:     .D = imports.%Main.D
    532. 

  532. // CHECK:STDOUT:     .NS = imports.%NS
    533. 

  533. // CHECK:STDOUT:     .Core = imports.%Core
    534. 

  534. // CHECK:STDOUT:     .a = %a
    535. 

  535. // CHECK:STDOUT:     .b = %b
    536. 

  536. // CHECK:STDOUT:     .c = %c
    537. 

  537. // CHECK:STDOUT:     .d = %d
    538. 

  538. // CHECK:STDOUT:     .e = %e
    539. 

  539. // CHECK:STDOUT:   }
    540. 

  540. // CHECK:STDOUT:   %Core.import = import Core
    541. 

  541. // CHECK:STDOUT:   %default.import = import <none>
    542. 

  542. // CHECK:STDOUT:   name_binding_decl {
    543. 

  543. // CHECK:STDOUT:     %a.patt: %pattern_type.cb1 = binding_pattern a [concrete]
    544. 

  544. // CHECK:STDOUT:     %a.var_patt: %pattern_type.cb1 = var_pattern %a.patt [concrete]
    545. 

  545. // CHECK:STDOUT:   }
    546. 

  546. // CHECK:STDOUT:   %a.var: ref %empty_tuple.type = var %a.var_patt [concrete]
    547. 

  547. // CHECK:STDOUT:   %.loc6_9.1: type = splice_block %.loc6_9.3 [concrete = constants.%empty_tuple.type] {
    548. 

  548. // CHECK:STDOUT:     %.loc6_9.2: %empty_tuple.type = tuple_literal ()
    549. 

  549. // CHECK:STDOUT:     %.loc6_9.3: type = converted %.loc6_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    550. 

  550. // CHECK:STDOUT:   }
    551. 

  551. // CHECK:STDOUT:   %a: ref %empty_tuple.type = bind_name a, %a.var [concrete = %a.var]
    552. 

  552. // CHECK:STDOUT:   name_binding_decl {
    553. 

  553. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    554. 

  554. // CHECK:STDOUT:     %b.var_patt: %pattern_type.7ce = var_pattern %b.patt [concrete]
    555. 

  555. // CHECK:STDOUT:   }
    556. 

  556. // CHECK:STDOUT:   %b.var: ref %i32 = var %b.var_patt [concrete]
    557. 

  557. // CHECK:STDOUT:   %.loc7: type = splice_block %i32.loc7 [concrete = constants.%i32] {
    558. 

  558. // CHECK:STDOUT:     %int_32.loc7: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    559. 

  559. // CHECK:STDOUT:     %i32.loc7: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    560. 

  560. // CHECK:STDOUT:   }
    561. 

  561. // CHECK:STDOUT:   %b: ref %i32 = bind_name b, %b.var [concrete = %b.var]
    562. 

  562. // CHECK:STDOUT:   name_binding_decl {
    563. 

  563. // CHECK:STDOUT:     %c.patt: %pattern_type.688 = binding_pattern c [concrete]
    564. 

  564. // CHECK:STDOUT:     %c.var_patt: %pattern_type.688 = var_pattern %c.patt [concrete]
    565. 

  565. // CHECK:STDOUT:   }
    566. 

  566. // CHECK:STDOUT:   %c.var: ref %struct_type.c = var %c.var_patt [concrete]
    567. 

  567. // CHECK:STDOUT:   %.loc8: type = splice_block %struct_type.c [concrete = constants.%struct_type.c] {
    568. 

  568. // CHECK:STDOUT:     %int_32.loc8: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    569. 

  569. // CHECK:STDOUT:     %i32.loc8: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    570. 

  570. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    571. 

  571. // CHECK:STDOUT:   }
    572. 

  572. // CHECK:STDOUT:   %c: ref %struct_type.c = bind_name c, %c.var [concrete = %c.var]
    573. 

  573. // CHECK:STDOUT:   name_binding_decl {
    574. 

  574. // CHECK:STDOUT:     %d.patt: %pattern_type.cb1 = binding_pattern d [concrete]
    575. 

  575. // CHECK:STDOUT:     %d.var_patt: %pattern_type.cb1 = var_pattern %d.patt [concrete]
    576. 

  576. // CHECK:STDOUT:   }
    577. 

  577. // CHECK:STDOUT:   %d.var: ref %empty_tuple.type = var %d.var_patt [concrete]
    578. 

  578. // CHECK:STDOUT:   %.loc9_9.1: type = splice_block %.loc9_9.3 [concrete = constants.%empty_tuple.type] {
    579. 

  579. // CHECK:STDOUT:     %.loc9_9.2: %empty_tuple.type = tuple_literal ()
    580. 

  580. // CHECK:STDOUT:     %.loc9_9.3: type = converted %.loc9_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    581. 

  581. // CHECK:STDOUT:   }
    582. 

  582. // CHECK:STDOUT:   %d: ref %empty_tuple.type = bind_name d, %d.var [concrete = %d.var]
    583. 

  583. // CHECK:STDOUT:   name_binding_decl {
    584. 

  584. // CHECK:STDOUT:     %e.patt: %pattern_type.cb1 = binding_pattern e [concrete]
    585. 

  585. // CHECK:STDOUT:     %e.var_patt: %pattern_type.cb1 = var_pattern %e.patt [concrete]
    586. 

  586. // CHECK:STDOUT:   }
    587. 

  587. // CHECK:STDOUT:   %e.var: ref %empty_tuple.type = var %e.var_patt [concrete]
    588. 

  588. // CHECK:STDOUT:   %.loc10_9.1: type = splice_block %.loc10_9.3 [concrete = constants.%empty_tuple.type] {
    589. 

  589. // CHECK:STDOUT:     %.loc10_9.2: %empty_tuple.type = tuple_literal ()
    590. 

  590. // CHECK:STDOUT:     %.loc10_9.3: type = converted %.loc10_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    591. 

  591. // CHECK:STDOUT:   }
    592. 

  592. // CHECK:STDOUT:   %e: ref %empty_tuple.type = bind_name e, %e.var [concrete = %e.var]
    593. 

  593. // CHECK:STDOUT: }
    594. 

  594. // CHECK:STDOUT:
    595. 

  595. // CHECK:STDOUT: fn @A [from "api.carbon"];
    596. 

  596. // CHECK:STDOUT:
    597. 

  597. // CHECK:STDOUT: fn @B [from "api.carbon"];
    598. 

  598. // CHECK:STDOUT:
    599. 

  599. // CHECK:STDOUT: fn @C [from "api.carbon"];
    600. 

  600. // CHECK:STDOUT:
    601. 

  601. // CHECK:STDOUT: extern fn @D [from "api.carbon"];
    602. 

  602. // CHECK:STDOUT:
    603. 

  603. // CHECK:STDOUT: fn @E [from "api.carbon"];
    604. 

  604. // CHECK:STDOUT:
    605. 

  605. // CHECK:STDOUT: fn @__global_init() {
    606. 

  606. // CHECK:STDOUT: !entry:
    607. 

  607. // CHECK:STDOUT:   %A.ref: %A.type = name_ref A, imports.%Main.A [concrete = constants.%A]
    608. 

  608. // CHECK:STDOUT:   %A.call: init %empty_tuple.type = call %A.ref()
    609. 

  609. // CHECK:STDOUT:   assign file.%a.var, %A.call
    610. 

  610. // CHECK:STDOUT:   %B.ref: %B.type = name_ref B, imports.%Main.B [concrete = constants.%B]
    611. 

  611. // CHECK:STDOUT:   %int_1.loc7: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    612. 

  612. // CHECK:STDOUT:   %impl.elem0.loc7: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    613. 

  613. // CHECK:STDOUT:   %bound_method.loc7_16.1: <bound method> = bound_method %int_1.loc7, %impl.elem0.loc7 [concrete = constants.%Convert.bound]
    614. 

  614. // CHECK:STDOUT:   %specific_fn.loc7: <specific function> = specific_function %impl.elem0.loc7, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    615. 

  615. // CHECK:STDOUT:   %bound_method.loc7_16.2: <bound method> = bound_method %int_1.loc7, %specific_fn.loc7 [concrete = constants.%bound_method]
    616. 

  616. // CHECK:STDOUT:   %int.convert_checked.loc7: init %i32 = call %bound_method.loc7_16.2(%int_1.loc7) [concrete = constants.%int_1.5d2]
    617. 

  617. // CHECK:STDOUT:   %.loc7_16.1: %i32 = value_of_initializer %int.convert_checked.loc7 [concrete = constants.%int_1.5d2]
    618. 

  618. // CHECK:STDOUT:   %.loc7_16.2: %i32 = converted %int_1.loc7, %.loc7_16.1 [concrete = constants.%int_1.5d2]
    619. 

  619. // CHECK:STDOUT:   %B.call: init %i32 = call %B.ref(%.loc7_16.2)
    620. 

  620. // CHECK:STDOUT:   assign file.%b.var, %B.call
    621. 

  621. // CHECK:STDOUT:   %C.ref: %C.type = name_ref C, imports.%Main.C [concrete = constants.%C]
    622. 

  622. // CHECK:STDOUT:   %int_1.loc8: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    623. 

  623. // CHECK:STDOUT:   %.loc8_25.1: %tuple.type.985 = tuple_literal (%int_1.loc8)
    624. 

  624. // CHECK:STDOUT:   %impl.elem0.loc8: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    625. 

  625. // CHECK:STDOUT:   %bound_method.loc8_25.1: <bound method> = bound_method %int_1.loc8, %impl.elem0.loc8 [concrete = constants.%Convert.bound]
    626. 

  626. // CHECK:STDOUT:   %specific_fn.loc8: <specific function> = specific_function %impl.elem0.loc8, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    627. 

  627. // CHECK:STDOUT:   %bound_method.loc8_25.2: <bound method> = bound_method %int_1.loc8, %specific_fn.loc8 [concrete = constants.%bound_method]
    628. 

  628. // CHECK:STDOUT:   %int.convert_checked.loc8: init %i32 = call %bound_method.loc8_25.2(%int_1.loc8) [concrete = constants.%int_1.5d2]
    629. 

  629. // CHECK:STDOUT:   %.loc8_25.2: %i32 = value_of_initializer %int.convert_checked.loc8 [concrete = constants.%int_1.5d2]
    630. 

  630. // CHECK:STDOUT:   %.loc8_25.3: %i32 = converted %int_1.loc8, %.loc8_25.2 [concrete = constants.%int_1.5d2]
    631. 

  631. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%.loc8_25.3) [concrete = constants.%tuple]
    632. 

  632. // CHECK:STDOUT:   %.loc8_25.4: %tuple.type.a1c = converted %.loc8_25.1, %tuple [concrete = constants.%tuple]
    633. 

  633. // CHECK:STDOUT:   %C.call: init %struct_type.c = call %C.ref(%.loc8_25.4)
    634. 

  634. // CHECK:STDOUT:   assign file.%c.var, %C.call
    635. 

  635. // CHECK:STDOUT:   %D.ref: %D.type = name_ref D, imports.%Main.D [concrete = constants.%D]
    636. 

  636. // CHECK:STDOUT:   %D.call: init %empty_tuple.type = call %D.ref()
    637. 

  637. // CHECK:STDOUT:   assign file.%d.var, %D.call
    638. 

  638. // CHECK:STDOUT:   %NS.ref: <namespace> = name_ref NS, imports.%NS [concrete = imports.%NS]
    639. 

  639. // CHECK:STDOUT:   %E.ref: %E.type = name_ref E, imports.%Main.E [concrete = constants.%E]
    640. 

  640. // CHECK:STDOUT:   %E.call: init %empty_tuple.type = call %E.ref()
    641. 

  641. // CHECK:STDOUT:   assign file.%e.var, %E.call
    642. 

  642. // CHECK:STDOUT:   return
    643. 

  643. // CHECK:STDOUT: }
    644. 

  644. // CHECK:STDOUT:
    645. 

  645. // CHECK:STDOUT: --- fail_redecl_api.carbon
    646. 

  646. // CHECK:STDOUT:
    647. 

  647. // CHECK:STDOUT: constants {
    648. 

  648. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    649. 

  649. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    650. 

  650. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    651. 

  651. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    652. 

  652. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    653. 

  653. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    654. 

  654. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    655. 

  655. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    656. 

  656. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    657. 

  657. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    658. 

  658. // CHECK:STDOUT:   %tuple.type.85c: type = tuple_type (type) [concrete]
    659. 

  659. // CHECK:STDOUT:   %tuple.type.a1c: type = tuple_type (%i32) [concrete]
    660. 

  660. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    661. 

  661. // CHECK:STDOUT:   %pattern_type.688: type = pattern_type %struct_type.c [concrete]
    662. 

  662. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    663. 

  663. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    664. 

  664. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    665. 

  665. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    666. 

  666. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    667. 

  667. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    668. 

  668. // CHECK:STDOUT:   %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
    669. 

  669. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    670. 

  670. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    671. 

  671. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    672. 

  672. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    673. 

  673. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    674. 

  674. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    675. 

  675. // CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.3, @impl.4f9(%To.c80) [symbolic]
    676. 

  676. // CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
    677. 

  677. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    678. 

  678. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.3, @impl.4f9(%int_32) [concrete]
    679. 

  679. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    680. 

  680. // CHECK:STDOUT:   %ImplicitAs.facet.921: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    681. 

  681. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet.921 [concrete]
    682. 

  682. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
    683. 

  683. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.3(%int_32) [concrete]
    684. 

  684. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    685. 

  685. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    686. 

  686. // CHECK:STDOUT:   %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
    687. 

  687. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%int_1.5d2) [concrete]
    688. 

  688. // CHECK:STDOUT: }
    689. 

  689. // CHECK:STDOUT:
    690. 

  690. // CHECK:STDOUT: imports {
    691. 

  691. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//api, NS, loaded
    692. 

  692. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    693. 

  693. // CHECK:STDOUT:     .E = file.%E.decl
    694. 

  694. // CHECK:STDOUT:   }
    695. 

  695. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    696. 

  696. // CHECK:STDOUT:     .Int = %Core.Int
    697. 

  697. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    698. 

  698. // CHECK:STDOUT:     import Core//prelude
    699. 

  699. // CHECK:STDOUT:     import Core//prelude/...
    700. 

  700. // CHECK:STDOUT:   }
    701. 

  701. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    702. 

  702. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    703. 

  703. // CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
    704. 

  704. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
    705. 

  705. // CHECK:STDOUT: }
    706. 

  706. // CHECK:STDOUT:
    707. 

  707. // CHECK:STDOUT: file {
    708. 

  708. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    709. 

  709. // CHECK:STDOUT:     .A = %A.decl
    710. 

  710. // CHECK:STDOUT:     .B = %B.decl
    711. 

  711. // CHECK:STDOUT:     .C = %C.decl
    712. 

  712. // CHECK:STDOUT:     .D = %D.decl
    713. 

  713. // CHECK:STDOUT:     .NS = imports.%NS
    714. 

  714. // CHECK:STDOUT:     .Core = imports.%Core
    715. 

  715. // CHECK:STDOUT:     .a = %a
    716. 

  716. // CHECK:STDOUT:     .b = %b
    717. 

  717. // CHECK:STDOUT:     .c = %c
    718. 

  718. // CHECK:STDOUT:     .d = %d
    719. 

  719. // CHECK:STDOUT:     .e = %e
    720. 

  720. // CHECK:STDOUT:   }
    721. 

  721. // CHECK:STDOUT:   %Core.import = import Core
    722. 

  722. // CHECK:STDOUT:   %default.import = import <none>
    723. 

  723. // CHECK:STDOUT:   %A.decl: %A.type = fn_decl @A [concrete = constants.%A] {} {}
    724. 

  724. // CHECK:STDOUT:   %B.decl: %B.type = fn_decl @B [concrete = constants.%B] {} {
    725. 

  725. // CHECK:STDOUT:     %int_32.loc23_24: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    726. 

  726. // CHECK:STDOUT:     %i32.loc23_24: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    727. 

  727. // CHECK:STDOUT:     %b.param: %i32 = value_param call_param0
    728. 

  728. // CHECK:STDOUT:     %.loc23: type = splice_block %i32.loc23_16 [concrete = constants.%i32] {
    729. 

  729. // CHECK:STDOUT:       %int_32.loc23_16: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    730. 

  730. // CHECK:STDOUT:       %i32.loc23_16: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    731. 

  731. // CHECK:STDOUT:     }
    732. 

  732. // CHECK:STDOUT:     %b: %i32 = bind_name b, %b.param
    733. 

  733. // CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
    734. 

  734. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    735. 

  735. // CHECK:STDOUT:   }
    736. 

  736. // CHECK:STDOUT:   %C.decl: %C.type = fn_decl @C [concrete = constants.%C] {} {
    737. 

  737. // CHECK:STDOUT:     %int_32.loc32_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    738. 

  738. // CHECK:STDOUT:     %i32.loc32_32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    739. 

  739. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    740. 

  740. // CHECK:STDOUT:     %c.param: %tuple.type.a1c = value_param call_param0
    741. 

  741. // CHECK:STDOUT:     %.loc32_21.1: type = splice_block %.loc32_21.3 [concrete = constants.%tuple.type.a1c] {
    742. 

  742. // CHECK:STDOUT:       %int_32.loc32_17: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    743. 

  743. // CHECK:STDOUT:       %i32.loc32_17: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    744. 

  744. // CHECK:STDOUT:       %.loc32_21.2: %tuple.type.85c = tuple_literal (%i32.loc32_17)
    745. 

  745. // CHECK:STDOUT:       %.loc32_21.3: type = converted %.loc32_21.2, constants.%tuple.type.a1c [concrete = constants.%tuple.type.a1c]
    746. 

  746. // CHECK:STDOUT:     }
    747. 

  747. // CHECK:STDOUT:     %c: %tuple.type.a1c = bind_name c, %c.param
    748. 

  748. // CHECK:STDOUT:     %return.param: ref %struct_type.c = out_param call_param1
    749. 

  749. // CHECK:STDOUT:     %return: ref %struct_type.c = return_slot %return.param
    750. 

  750. // CHECK:STDOUT:   }
    751. 

  751. // CHECK:STDOUT:   %D.decl: %D.type = fn_decl @D [concrete = constants.%D] {} {}
    752. 

  752. // CHECK:STDOUT:   %E.decl: %E.type = fn_decl @E [concrete = constants.%E] {} {}
    753. 

  753. // CHECK:STDOUT:   name_binding_decl {
    754. 

  754. // CHECK:STDOUT:     %a.patt: %pattern_type.cb1 = binding_pattern a [concrete]
    755. 

  755. // CHECK:STDOUT:     %a.var_patt: %pattern_type.cb1 = var_pattern %a.patt [concrete]
    756. 

  756. // CHECK:STDOUT:   }
    757. 

  757. // CHECK:STDOUT:   %a.var: ref %empty_tuple.type = var %a.var_patt [concrete]
    758. 

  758. // CHECK:STDOUT:   %.loc52_9.1: type = splice_block %.loc52_9.3 [concrete = constants.%empty_tuple.type] {
    759. 

  759. // CHECK:STDOUT:     %.loc52_9.2: %empty_tuple.type = tuple_literal ()
    760. 

  760. // CHECK:STDOUT:     %.loc52_9.3: type = converted %.loc52_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    761. 

  761. // CHECK:STDOUT:   }
    762. 

  762. // CHECK:STDOUT:   %a: ref %empty_tuple.type = bind_name a, %a.var [concrete = %a.var]
    763. 

  763. // CHECK:STDOUT:   name_binding_decl {
    764. 

  764. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    765. 

  765. // CHECK:STDOUT:     %b.var_patt: %pattern_type.7ce = var_pattern %b.patt [concrete]
    766. 

  766. // CHECK:STDOUT:   }
    767. 

  767. // CHECK:STDOUT:   %b.var: ref %i32 = var %b.var_patt [concrete]
    768. 

  768. // CHECK:STDOUT:   %.loc53: type = splice_block %i32.loc53 [concrete = constants.%i32] {
    769. 

  769. // CHECK:STDOUT:     %int_32.loc53: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    770. 

  770. // CHECK:STDOUT:     %i32.loc53: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    771. 

  771. // CHECK:STDOUT:   }
    772. 

  772. // CHECK:STDOUT:   %b: ref %i32 = bind_name b, %b.var [concrete = %b.var]
    773. 

  773. // CHECK:STDOUT:   name_binding_decl {
    774. 

  774. // CHECK:STDOUT:     %c.patt: %pattern_type.688 = binding_pattern c [concrete]
    775. 

  775. // CHECK:STDOUT:     %c.var_patt: %pattern_type.688 = var_pattern %c.patt [concrete]
    776. 

  776. // CHECK:STDOUT:   }
    777. 

  777. // CHECK:STDOUT:   %c.var: ref %struct_type.c = var %c.var_patt [concrete]
    778. 

  778. // CHECK:STDOUT:   %.loc54: type = splice_block %struct_type.c [concrete = constants.%struct_type.c] {
    779. 

  779. // CHECK:STDOUT:     %int_32.loc54: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    780. 

  780. // CHECK:STDOUT:     %i32.loc54: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    781. 

  781. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    782. 

  782. // CHECK:STDOUT:   }
    783. 

  783. // CHECK:STDOUT:   %c: ref %struct_type.c = bind_name c, %c.var [concrete = %c.var]
    784. 

  784. // CHECK:STDOUT:   name_binding_decl {
    785. 

  785. // CHECK:STDOUT:     %d.patt: %pattern_type.cb1 = binding_pattern d [concrete]
    786. 

  786. // CHECK:STDOUT:     %d.var_patt: %pattern_type.cb1 = var_pattern %d.patt [concrete]
    787. 

  787. // CHECK:STDOUT:   }
    788. 

  788. // CHECK:STDOUT:   %d.var: ref %empty_tuple.type = var %d.var_patt [concrete]
    789. 

  789. // CHECK:STDOUT:   %.loc55_9.1: type = splice_block %.loc55_9.3 [concrete = constants.%empty_tuple.type] {
    790. 

  790. // CHECK:STDOUT:     %.loc55_9.2: %empty_tuple.type = tuple_literal ()
    791. 

  791. // CHECK:STDOUT:     %.loc55_9.3: type = converted %.loc55_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    792. 

  792. // CHECK:STDOUT:   }
    793. 

  793. // CHECK:STDOUT:   %d: ref %empty_tuple.type = bind_name d, %d.var [concrete = %d.var]
    794. 

  794. // CHECK:STDOUT:   name_binding_decl {
    795. 

  795. // CHECK:STDOUT:     %e.patt: %pattern_type.cb1 = binding_pattern e [concrete]
    796. 

  796. // CHECK:STDOUT:     %e.var_patt: %pattern_type.cb1 = var_pattern %e.patt [concrete]
    797. 

  797. // CHECK:STDOUT:   }
    798. 

  798. // CHECK:STDOUT:   %e.var: ref %empty_tuple.type = var %e.var_patt [concrete]
    799. 

  799. // CHECK:STDOUT:   %.loc56_9.1: type = splice_block %.loc56_9.3 [concrete = constants.%empty_tuple.type] {
    800. 

  800. // CHECK:STDOUT:     %.loc56_9.2: %empty_tuple.type = tuple_literal ()
    801. 

  801. // CHECK:STDOUT:     %.loc56_9.3: type = converted %.loc56_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    802. 

  802. // CHECK:STDOUT:   }
    803. 

  803. // CHECK:STDOUT:   %e: ref %empty_tuple.type = bind_name e, %e.var [concrete = %e.var]
    804. 

  804. // CHECK:STDOUT: }
    805. 

  805. // CHECK:STDOUT:
    806. 

  806. // CHECK:STDOUT: fn @A [from "api.carbon"];
    807. 

  807. // CHECK:STDOUT:
    808. 

  808. // CHECK:STDOUT: fn @B [from "api.carbon"];
    809. 

  809. // CHECK:STDOUT:
    810. 

  810. // CHECK:STDOUT: fn @C [from "api.carbon"];
    811. 

  811. // CHECK:STDOUT:
    812. 

  812. // CHECK:STDOUT: extern fn @D [from "api.carbon"];
    813. 

  813. // CHECK:STDOUT:
    814. 

  814. // CHECK:STDOUT: fn @E [from "api.carbon"];
    815. 

  815. // CHECK:STDOUT:
    816. 

  816. // CHECK:STDOUT: fn @__global_init() {
    817. 

  817. // CHECK:STDOUT: !entry:
    818. 

  818. // CHECK:STDOUT:   %A.ref: %A.type = name_ref A, file.%A.decl [concrete = constants.%A]
    819. 

  819. // CHECK:STDOUT:   %A.call: init %empty_tuple.type = call %A.ref()
    820. 

  820. // CHECK:STDOUT:   assign file.%a.var, %A.call
    821. 

  821. // CHECK:STDOUT:   %B.ref: %B.type = name_ref B, file.%B.decl [concrete = constants.%B]
    822. 

  822. // CHECK:STDOUT:   %int_1.loc53: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    823. 

  823. // CHECK:STDOUT:   %impl.elem0.loc53: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    824. 

  824. // CHECK:STDOUT:   %bound_method.loc53_16.1: <bound method> = bound_method %int_1.loc53, %impl.elem0.loc53 [concrete = constants.%Convert.bound]
    825. 

  825. // CHECK:STDOUT:   %specific_fn.loc53: <specific function> = specific_function %impl.elem0.loc53, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    826. 

  826. // CHECK:STDOUT:   %bound_method.loc53_16.2: <bound method> = bound_method %int_1.loc53, %specific_fn.loc53 [concrete = constants.%bound_method]
    827. 

  827. // CHECK:STDOUT:   %int.convert_checked.loc53: init %i32 = call %bound_method.loc53_16.2(%int_1.loc53) [concrete = constants.%int_1.5d2]
    828. 

  828. // CHECK:STDOUT:   %.loc53_16.1: %i32 = value_of_initializer %int.convert_checked.loc53 [concrete = constants.%int_1.5d2]
    829. 

  829. // CHECK:STDOUT:   %.loc53_16.2: %i32 = converted %int_1.loc53, %.loc53_16.1 [concrete = constants.%int_1.5d2]
    830. 

  830. // CHECK:STDOUT:   %B.call: init %i32 = call %B.ref(%.loc53_16.2)
    831. 

  831. // CHECK:STDOUT:   assign file.%b.var, %B.call
    832. 

  832. // CHECK:STDOUT:   %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C]
    833. 

  833. // CHECK:STDOUT:   %int_1.loc54: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    834. 

  834. // CHECK:STDOUT:   %.loc54_25.1: %tuple.type.985 = tuple_literal (%int_1.loc54)
    835. 

  835. // CHECK:STDOUT:   %impl.elem0.loc54: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    836. 

  836. // CHECK:STDOUT:   %bound_method.loc54_25.1: <bound method> = bound_method %int_1.loc54, %impl.elem0.loc54 [concrete = constants.%Convert.bound]
    837. 

  837. // CHECK:STDOUT:   %specific_fn.loc54: <specific function> = specific_function %impl.elem0.loc54, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    838. 

  838. // CHECK:STDOUT:   %bound_method.loc54_25.2: <bound method> = bound_method %int_1.loc54, %specific_fn.loc54 [concrete = constants.%bound_method]
    839. 

  839. // CHECK:STDOUT:   %int.convert_checked.loc54: init %i32 = call %bound_method.loc54_25.2(%int_1.loc54) [concrete = constants.%int_1.5d2]
    840. 

  840. // CHECK:STDOUT:   %.loc54_25.2: %i32 = value_of_initializer %int.convert_checked.loc54 [concrete = constants.%int_1.5d2]
    841. 

  841. // CHECK:STDOUT:   %.loc54_25.3: %i32 = converted %int_1.loc54, %.loc54_25.2 [concrete = constants.%int_1.5d2]
    842. 

  842. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%.loc54_25.3) [concrete = constants.%tuple]
    843. 

  843. // CHECK:STDOUT:   %.loc54_25.4: %tuple.type.a1c = converted %.loc54_25.1, %tuple [concrete = constants.%tuple]
    844. 

  844. // CHECK:STDOUT:   %C.call: init %struct_type.c = call %C.ref(%.loc54_25.4)
    845. 

  845. // CHECK:STDOUT:   assign file.%c.var, %C.call
    846. 

  846. // CHECK:STDOUT:   %D.ref: %D.type = name_ref D, file.%D.decl [concrete = constants.%D]
    847. 

  847. // CHECK:STDOUT:   %D.call: init %empty_tuple.type = call %D.ref()
    848. 

  848. // CHECK:STDOUT:   assign file.%d.var, %D.call
    849. 

  849. // CHECK:STDOUT:   %NS.ref: <namespace> = name_ref NS, imports.%NS [concrete = imports.%NS]
    850. 

  850. // CHECK:STDOUT:   %E.ref: %E.type = name_ref E, file.%E.decl [concrete = constants.%E]
    851. 

  851. // CHECK:STDOUT:   %E.call: init %empty_tuple.type = call %E.ref()
    852. 

  852. // CHECK:STDOUT:   assign file.%e.var, %E.call
    853. 

  853. // CHECK:STDOUT:   return
    854. 

  854. // CHECK:STDOUT: }
    855. 

  855. // CHECK:STDOUT:
    856. 

  856. // CHECK:STDOUT: --- redecl_extern_api.carbon
    857. 

  857. // CHECK:STDOUT:
    858. 

  858. // CHECK:STDOUT: constants {
    859. 

  859. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    860. 

  860. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    861. 

  861. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    862. 

  862. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    863. 

  863. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    864. 

  864. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    865. 

  865. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    866. 

  866. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    867. 

  867. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    868. 

  868. // CHECK:STDOUT:   %pattern_type.501: type = pattern_type %i32 [concrete]
    869. 

  869. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    870. 

  870. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    871. 

  871. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    872. 

  872. // CHECK:STDOUT:   %pattern_type.f5f: type = pattern_type %struct_type.c [concrete]
    873. 

  873. // CHECK:STDOUT:   %tuple.type.dd4: type = tuple_type (%i32) [concrete]
    874. 

  874. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    875. 

  875. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    876. 

  876. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    877. 

  877. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    878. 

  878. // CHECK:STDOUT:   %tuple.type.85c: type = tuple_type (type) [concrete]
    879. 

  879. // CHECK:STDOUT:   %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
    880. 

  880. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    881. 

  881. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    882. 

  882. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    883. 

  883. // CHECK:STDOUT:   %ImplicitAs.type.9ba: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    884. 

  884. // CHECK:STDOUT:   %Convert.type.6da: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    885. 

  885. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    886. 

  886. // CHECK:STDOUT:   %Convert.type.0b2: type = fn_type @Convert.2, @impl.c81(%To.c80) [symbolic]
    887. 

  887. // CHECK:STDOUT:   %Convert.6d7: %Convert.type.0b2 = struct_value () [symbolic]
    888. 

  888. // CHECK:STDOUT:   %ImplicitAs.impl_witness.e34: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.e36, @impl.c81(%int_32) [concrete]
    889. 

  889. // CHECK:STDOUT:   %Convert.type.ed5: type = fn_type @Convert.2, @impl.c81(%int_32) [concrete]
    890. 

  890. // CHECK:STDOUT:   %Convert.16d: %Convert.type.ed5 = struct_value () [concrete]
    891. 

  891. // CHECK:STDOUT:   %ImplicitAs.facet.2e7: %ImplicitAs.type.9ba = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.e34) [concrete]
    892. 

  892. // CHECK:STDOUT:   %.d6a: type = fn_type_with_self_type %Convert.type.6da, %ImplicitAs.facet.2e7 [concrete]
    893. 

  893. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.16d [concrete]
    894. 

  894. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.16d, @Convert.2(%int_32) [concrete]
    895. 

  895. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    896. 

  896. // CHECK:STDOUT:   %int_1.47b: %i32 = int_value 1 [concrete]
    897. 

  897. // CHECK:STDOUT:   %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
    898. 

  898. // CHECK:STDOUT:   %tuple: %tuple.type.dd4 = tuple_value (%int_1.47b) [concrete]
    899. 

  899. // CHECK:STDOUT: }
    900. 

  900. // CHECK:STDOUT:
    901. 

  901. // CHECK:STDOUT: imports {
    902. 

  902. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//extern_api, NS, loaded
    903. 

  903. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    904. 

  904. // CHECK:STDOUT:     .E = file.%E.decl
    905. 

  905. // CHECK:STDOUT:   }
    906. 

  906. // CHECK:STDOUT:   %Core.ece: <namespace> = namespace file.%Core.import, [concrete] {
    907. 

  907. // CHECK:STDOUT:     .Int = %Core.Int
    908. 

  908. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    909. 

  909. // CHECK:STDOUT:     import Core//prelude
    910. 

  910. // CHECK:STDOUT:     import Core//prelude/...
    911. 

  911. // CHECK:STDOUT:   }
    912. 

  912. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    913. 

  913. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    914. 

  914. // CHECK:STDOUT:   %Core.import_ref.a86: @impl.c81.%Convert.type (%Convert.type.0b2) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.c81.%Convert (constants.%Convert.6d7)]
    915. 

  915. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.e36 = impl_witness_table (%Core.import_ref.a86), @impl.c81 [concrete]
    916. 

  916. // CHECK:STDOUT: }
    917. 

  917. // CHECK:STDOUT:
    918. 

  918. // CHECK:STDOUT: file {
    919. 

  919. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    920. 

  920. // CHECK:STDOUT:     .A = %A.decl
    921. 

  921. // CHECK:STDOUT:     .B = %B.decl
    922. 

  922. // CHECK:STDOUT:     .C = %C.decl
    923. 

  923. // CHECK:STDOUT:     .D = %D.decl
    924. 

  924. // CHECK:STDOUT:     .NS = imports.%NS
    925. 

  925. // CHECK:STDOUT:     .Core = imports.%Core.ece
    926. 

  926. // CHECK:STDOUT:     .a = %a
    927. 

  927. // CHECK:STDOUT:     .b = %b
    928. 

  928. // CHECK:STDOUT:     .c = %c
    929. 

  929. // CHECK:STDOUT:     .d = %d
    930. 

  930. // CHECK:STDOUT:     .e = %e
    931. 

  931. // CHECK:STDOUT:   }
    932. 

  932. // CHECK:STDOUT:   %Core.import = import Core
    933. 

  933. // CHECK:STDOUT:   %default.import = import <none>
    934. 

  934. // CHECK:STDOUT:   %A.decl: %A.type = fn_decl @A [concrete = constants.%A] {} {}
    935. 

  935. // CHECK:STDOUT:   %B.decl: %B.type = fn_decl @B [concrete = constants.%B] {} {
    936. 

  936. // CHECK:STDOUT:     %int_32.loc7_24: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    937. 

  937. // CHECK:STDOUT:     %i32.loc7_24: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    938. 

  938. // CHECK:STDOUT:     %b.param: %i32 = value_param call_param0
    939. 

  939. // CHECK:STDOUT:     %.loc7: type = splice_block %i32.loc7_16 [concrete = constants.%i32] {
    940. 

  940. // CHECK:STDOUT:       %int_32.loc7_16: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    941. 

  941. // CHECK:STDOUT:       %i32.loc7_16: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    942. 

  942. // CHECK:STDOUT:     }
    943. 

  943. // CHECK:STDOUT:     %b: %i32 = bind_name b, %b.param
    944. 

  944. // CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param1
    945. 

  945. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    946. 

  946. // CHECK:STDOUT:   }
    947. 

  947. // CHECK:STDOUT:   %C.decl: %C.type = fn_decl @C [concrete = constants.%C] {} {
    948. 

  948. // CHECK:STDOUT:     %int_32.loc8_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    949. 

  949. // CHECK:STDOUT:     %i32.loc8_32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    950. 

  950. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    951. 

  951. // CHECK:STDOUT:     %c.param: %tuple.type.dd4 = value_param call_param0
    952. 

  952. // CHECK:STDOUT:     %.loc8_21.1: type = splice_block %.loc8_21.3 [concrete = constants.%tuple.type.dd4] {
    953. 

  953. // CHECK:STDOUT:       %int_32.loc8_17: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    954. 

  954. // CHECK:STDOUT:       %i32.loc8_17: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    955. 

  955. // CHECK:STDOUT:       %.loc8_21.2: %tuple.type.85c = tuple_literal (%i32.loc8_17)
    956. 

  956. // CHECK:STDOUT:       %.loc8_21.3: type = converted %.loc8_21.2, constants.%tuple.type.dd4 [concrete = constants.%tuple.type.dd4]
    957. 

  957. // CHECK:STDOUT:     }
    958. 

  958. // CHECK:STDOUT:     %c: %tuple.type.dd4 = bind_name c, %c.param
    959. 

  959. // CHECK:STDOUT:     %return.param: ref %struct_type.c = out_param call_param1
    960. 

  960. // CHECK:STDOUT:     %return: ref %struct_type.c = return_slot %return.param
    961. 

  961. // CHECK:STDOUT:   }
    962. 

  962. // CHECK:STDOUT:   %D.decl: %D.type = fn_decl @D [concrete = constants.%D] {} {}
    963. 

  963. // CHECK:STDOUT:   %E.decl: %E.type = fn_decl @E [concrete = constants.%E] {} {}
    964. 

  964. // CHECK:STDOUT:   name_binding_decl {
    965. 

  965. // CHECK:STDOUT:     %a.patt: %pattern_type.cb1 = binding_pattern a [concrete]
    966. 

  966. // CHECK:STDOUT:     %a.var_patt: %pattern_type.cb1 = var_pattern %a.patt [concrete]
    967. 

  967. // CHECK:STDOUT:   }
    968. 

  968. // CHECK:STDOUT:   %a.var: ref %empty_tuple.type = var %a.var_patt [concrete]
    969. 

  969. // CHECK:STDOUT:   %.loc12_9.1: type = splice_block %.loc12_9.3 [concrete = constants.%empty_tuple.type] {
    970. 

  970. // CHECK:STDOUT:     %.loc12_9.2: %empty_tuple.type = tuple_literal ()
    971. 

  971. // CHECK:STDOUT:     %.loc12_9.3: type = converted %.loc12_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    972. 

  972. // CHECK:STDOUT:   }
    973. 

  973. // CHECK:STDOUT:   %a: ref %empty_tuple.type = bind_name a, %a.var [concrete = %a.var]
    974. 

  974. // CHECK:STDOUT:   name_binding_decl {
    975. 

  975. // CHECK:STDOUT:     %b.patt: %pattern_type.501 = binding_pattern b [concrete]
    976. 

  976. // CHECK:STDOUT:     %b.var_patt: %pattern_type.501 = var_pattern %b.patt [concrete]
    977. 

  977. // CHECK:STDOUT:   }
    978. 

  978. // CHECK:STDOUT:   %b.var: ref %i32 = var %b.var_patt [concrete]
    979. 

  979. // CHECK:STDOUT:   %.loc13: type = splice_block %i32.loc13 [concrete = constants.%i32] {
    980. 

  980. // CHECK:STDOUT:     %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    981. 

  981. // CHECK:STDOUT:     %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    982. 

  982. // CHECK:STDOUT:   }
    983. 

  983. // CHECK:STDOUT:   %b: ref %i32 = bind_name b, %b.var [concrete = %b.var]
    984. 

  984. // CHECK:STDOUT:   name_binding_decl {
    985. 

  985. // CHECK:STDOUT:     %c.patt: %pattern_type.f5f = binding_pattern c [concrete]
    986. 

  986. // CHECK:STDOUT:     %c.var_patt: %pattern_type.f5f = var_pattern %c.patt [concrete]
    987. 

  987. // CHECK:STDOUT:   }
    988. 

  988. // CHECK:STDOUT:   %c.var: ref %struct_type.c = var %c.var_patt [concrete]
    989. 

  989. // CHECK:STDOUT:   %.loc14: type = splice_block %struct_type.c [concrete = constants.%struct_type.c] {
    990. 

  990. // CHECK:STDOUT:     %int_32.loc14: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    991. 

  991. // CHECK:STDOUT:     %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    992. 

  992. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    993. 

  993. // CHECK:STDOUT:   }
    994. 

  994. // CHECK:STDOUT:   %c: ref %struct_type.c = bind_name c, %c.var [concrete = %c.var]
    995. 

  995. // CHECK:STDOUT:   name_binding_decl {
    996. 

  996. // CHECK:STDOUT:     %d.patt: %pattern_type.cb1 = binding_pattern d [concrete]
    997. 

  997. // CHECK:STDOUT:     %d.var_patt: %pattern_type.cb1 = var_pattern %d.patt [concrete]
    998. 

  998. // CHECK:STDOUT:   }
    999. 

  999. // CHECK:STDOUT:   %d.var: ref %empty_tuple.type = var %d.var_patt [concrete]
    1000. 

  1000. // CHECK:STDOUT:   %.loc15_9.1: type = splice_block %.loc15_9.3 [concrete = constants.%empty_tuple.type] {
    1001. 

  1001. // CHECK:STDOUT:     %.loc15_9.2: %empty_tuple.type = tuple_literal ()
    1002. 

  1002. // CHECK:STDOUT:     %.loc15_9.3: type = converted %.loc15_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1003. 

  1003. // CHECK:STDOUT:   }
    1004. 

  1004. // CHECK:STDOUT:   %d: ref %empty_tuple.type = bind_name d, %d.var [concrete = %d.var]
    1005. 

  1005. // CHECK:STDOUT:   name_binding_decl {
    1006. 

  1006. // CHECK:STDOUT:     %e.patt: %pattern_type.cb1 = binding_pattern e [concrete]
    1007. 

  1007. // CHECK:STDOUT:     %e.var_patt: %pattern_type.cb1 = var_pattern %e.patt [concrete]
    1008. 

  1008. // CHECK:STDOUT:   }
    1009. 

  1009. // CHECK:STDOUT:   %e.var: ref %empty_tuple.type = var %e.var_patt [concrete]
    1010. 

  1010. // CHECK:STDOUT:   %.loc16_9.1: type = splice_block %.loc16_9.3 [concrete = constants.%empty_tuple.type] {
    1011. 

  1011. // CHECK:STDOUT:     %.loc16_9.2: %empty_tuple.type = tuple_literal ()
    1012. 

  1012. // CHECK:STDOUT:     %.loc16_9.3: type = converted %.loc16_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1013. 

  1013. // CHECK:STDOUT:   }
    1014. 

  1014. // CHECK:STDOUT:   %e: ref %empty_tuple.type = bind_name e, %e.var [concrete = %e.var]
    1015. 

  1015. // CHECK:STDOUT: }
    1016. 

  1016. // CHECK:STDOUT:
    1017. 

  1017. // CHECK:STDOUT: extern fn @A;
    1018. 

  1018. // CHECK:STDOUT:
    1019. 

  1019. // CHECK:STDOUT: extern fn @B;
    1020. 

  1020. // CHECK:STDOUT:
    1021. 

  1021. // CHECK:STDOUT: extern fn @C;
    1022. 

  1022. // CHECK:STDOUT:
    1023. 

  1023. // CHECK:STDOUT: extern fn @D;
    1024. 

  1024. // CHECK:STDOUT:
    1025. 

  1025. // CHECK:STDOUT: extern fn @E;
    1026. 

  1026. // CHECK:STDOUT:
    1027. 

  1027. // CHECK:STDOUT: fn @__global_init() {
    1028. 

  1028. // CHECK:STDOUT: !entry:
    1029. 

  1029. // CHECK:STDOUT:   %A.ref: %A.type = name_ref A, file.%A.decl [concrete = constants.%A]
    1030. 

  1030. // CHECK:STDOUT:   %A.call: init %empty_tuple.type = call %A.ref()
    1031. 

  1031. // CHECK:STDOUT:   assign file.%a.var, %A.call
    1032. 

  1032. // CHECK:STDOUT:   %B.ref: %B.type = name_ref B, file.%B.decl [concrete = constants.%B]
    1033. 

  1033. // CHECK:STDOUT:   %int_1.loc13: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    1034. 

  1034. // CHECK:STDOUT:   %impl.elem0.loc13: %.d6a = impl_witness_access constants.%ImplicitAs.impl_witness.e34, element0 [concrete = constants.%Convert.16d]
    1035. 

  1035. // CHECK:STDOUT:   %bound_method.loc13_16.1: <bound method> = bound_method %int_1.loc13, %impl.elem0.loc13 [concrete = constants.%Convert.bound]
    1036. 

  1036. // CHECK:STDOUT:   %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    1037. 

  1037. // CHECK:STDOUT:   %bound_method.loc13_16.2: <bound method> = bound_method %int_1.loc13, %specific_fn.loc13 [concrete = constants.%bound_method]
    1038. 

  1038. // CHECK:STDOUT:   %int.convert_checked.loc13: init %i32 = call %bound_method.loc13_16.2(%int_1.loc13) [concrete = constants.%int_1.47b]
    1039. 

  1039. // CHECK:STDOUT:   %.loc13_16.1: %i32 = value_of_initializer %int.convert_checked.loc13 [concrete = constants.%int_1.47b]
    1040. 

  1040. // CHECK:STDOUT:   %.loc13_16.2: %i32 = converted %int_1.loc13, %.loc13_16.1 [concrete = constants.%int_1.47b]
    1041. 

  1041. // CHECK:STDOUT:   %B.call: init %i32 = call %B.ref(%.loc13_16.2)
    1042. 

  1042. // CHECK:STDOUT:   assign file.%b.var, %B.call
    1043. 

  1043. // CHECK:STDOUT:   %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C]
    1044. 

  1044. // CHECK:STDOUT:   %int_1.loc14: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    1045. 

  1045. // CHECK:STDOUT:   %.loc14_25.1: %tuple.type.985 = tuple_literal (%int_1.loc14)
    1046. 

  1046. // CHECK:STDOUT:   %impl.elem0.loc14: %.d6a = impl_witness_access constants.%ImplicitAs.impl_witness.e34, element0 [concrete = constants.%Convert.16d]
    1047. 

  1047. // CHECK:STDOUT:   %bound_method.loc14_25.1: <bound method> = bound_method %int_1.loc14, %impl.elem0.loc14 [concrete = constants.%Convert.bound]
    1048. 

  1048. // CHECK:STDOUT:   %specific_fn.loc14: <specific function> = specific_function %impl.elem0.loc14, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    1049. 

  1049. // CHECK:STDOUT:   %bound_method.loc14_25.2: <bound method> = bound_method %int_1.loc14, %specific_fn.loc14 [concrete = constants.%bound_method]
    1050. 

  1050. // CHECK:STDOUT:   %int.convert_checked.loc14: init %i32 = call %bound_method.loc14_25.2(%int_1.loc14) [concrete = constants.%int_1.47b]
    1051. 

  1051. // CHECK:STDOUT:   %.loc14_25.2: %i32 = value_of_initializer %int.convert_checked.loc14 [concrete = constants.%int_1.47b]
    1052. 

  1052. // CHECK:STDOUT:   %.loc14_25.3: %i32 = converted %int_1.loc14, %.loc14_25.2 [concrete = constants.%int_1.47b]
    1053. 

  1053. // CHECK:STDOUT:   %tuple: %tuple.type.dd4 = tuple_value (%.loc14_25.3) [concrete = constants.%tuple]
    1054. 

  1054. // CHECK:STDOUT:   %.loc14_25.4: %tuple.type.dd4 = converted %.loc14_25.1, %tuple [concrete = constants.%tuple]
    1055. 

  1055. // CHECK:STDOUT:   %C.call: init %struct_type.c = call %C.ref(%.loc14_25.4)
    1056. 

  1056. // CHECK:STDOUT:   assign file.%c.var, %C.call
    1057. 

  1057. // CHECK:STDOUT:   %D.ref: %D.type = name_ref D, file.%D.decl [concrete = constants.%D]
    1058. 

  1058. // CHECK:STDOUT:   %D.call: init %empty_tuple.type = call %D.ref()
    1059. 

  1059. // CHECK:STDOUT:   assign file.%d.var, %D.call
    1060. 

  1060. // CHECK:STDOUT:   %NS.ref: <namespace> = name_ref NS, imports.%NS [concrete = imports.%NS]
    1061. 

  1061. // CHECK:STDOUT:   %E.ref: %E.type = name_ref E, file.%E.decl [concrete = constants.%E]
    1062. 

  1062. // CHECK:STDOUT:   %E.call: init %empty_tuple.type = call %E.ref()
    1063. 

  1063. // CHECK:STDOUT:   assign file.%e.var, %E.call
    1064. 

  1064. // CHECK:STDOUT:   return
    1065. 

  1065. // CHECK:STDOUT: }
    1066. 

  1066. // CHECK:STDOUT:
    1067. 

  1067. // CHECK:STDOUT: --- fail_merge.carbon
    1068. 

  1068. // CHECK:STDOUT:
    1069. 

  1069. // CHECK:STDOUT: constants {
    1070. 

  1070. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    1071. 

  1071. // CHECK:STDOUT:   %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
    1072. 

  1072. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    1073. 

  1073. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    1074. 

  1074. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    1075. 

  1075. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    1076. 

  1076. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    1077. 

  1077. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    1078. 

  1078. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    1079. 

  1079. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    1080. 

  1080. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    1081. 

  1081. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    1082. 

  1082. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    1083. 

  1083. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    1084. 

  1084. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    1085. 

  1085. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    1086. 

  1086. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    1087. 

  1087. // CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.3, @impl.4f9(%To.c80) [symbolic]
    1088. 

  1088. // CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
    1089. 

  1089. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    1090. 

  1090. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.3, @impl.4f9(%int_32) [concrete]
    1091. 

  1091. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    1092. 

  1092. // CHECK:STDOUT:   %ImplicitAs.facet.921: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    1093. 

  1093. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet.921 [concrete]
    1094. 

  1094. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
    1095. 

  1095. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.3(%int_32) [concrete]
    1096. 

  1096. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    1097. 

  1097. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    1098. 

  1098. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    1099. 

  1099. // CHECK:STDOUT:   %pattern_type.688: type = pattern_type %struct_type.c [concrete]
    1100. 

  1100. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    1101. 

  1101. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    1102. 

  1102. // CHECK:STDOUT:   %tuple.type.a1c: type = tuple_type (%i32) [concrete]
    1103. 

  1103. // CHECK:STDOUT:   %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
    1104. 

  1104. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%int_1.5d2) [concrete]
    1105. 

  1105. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    1106. 

  1106. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    1107. 

  1107. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    1108. 

  1108. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    1109. 

  1109. // CHECK:STDOUT: }
    1110. 

  1110. // CHECK:STDOUT:
    1111. 

  1111. // CHECK:STDOUT: imports {
    1112. 

  1112. // CHECK:STDOUT:   %Main.A: %A.type = import_ref Main//api, A, loaded [concrete = constants.%A]
    1113. 

  1113. // CHECK:STDOUT:   %Main.B: %B.type = import_ref Main//api, B, loaded [concrete = constants.%B]
    1114. 

  1114. // CHECK:STDOUT:   %Main.C: %C.type = import_ref Main//api, C, loaded [concrete = constants.%C]
    1115. 

  1115. // CHECK:STDOUT:   %Main.D: %D.type = import_ref Main//api, D, loaded [concrete = constants.%D]
    1116. 

  1116. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//api, NS, loaded
    1117. 

  1117. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    1118. 

  1118. // CHECK:STDOUT:     .E = %Main.E
    1119. 

  1119. // CHECK:STDOUT:   }
    1120. 

  1120. // CHECK:STDOUT:   %Main.E: %E.type = import_ref Main//api, E, loaded [concrete = constants.%E]
    1121. 

  1121. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    1122. 

  1122. // CHECK:STDOUT:     .Int = %Core.Int
    1123. 

  1123. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    1124. 

  1124. // CHECK:STDOUT:     import Core//prelude
    1125. 

  1125. // CHECK:STDOUT:     import Core//prelude/...
    1126. 

  1126. // CHECK:STDOUT:   }
    1127. 

  1127. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    1128. 

  1128. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    1129. 

  1129. // CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
    1130. 

  1130. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
    1131. 

  1131. // CHECK:STDOUT: }
    1132. 

  1132. // CHECK:STDOUT:
    1133. 

  1133. // CHECK:STDOUT: file {
    1134. 

  1134. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    1135. 

  1135. // CHECK:STDOUT:     .A = imports.%Main.A
    1136. 

  1136. // CHECK:STDOUT:     .B = imports.%Main.B
    1137. 

  1137. // CHECK:STDOUT:     .C = imports.%Main.C
    1138. 

  1138. // CHECK:STDOUT:     .D = imports.%Main.D
    1139. 

  1139. // CHECK:STDOUT:     .NS = imports.%NS
    1140. 

  1140. // CHECK:STDOUT:     .Core = imports.%Core
    1141. 

  1141. // CHECK:STDOUT:     .a = %a
    1142. 

  1142. // CHECK:STDOUT:     .b = %b
    1143. 

  1143. // CHECK:STDOUT:     .c = %c
    1144. 

  1144. // CHECK:STDOUT:     .d = %d
    1145. 

  1145. // CHECK:STDOUT:     .e = %e
    1146. 

  1146. // CHECK:STDOUT:   }
    1147. 

  1147. // CHECK:STDOUT:   %Core.import = import Core
    1148. 

  1148. // CHECK:STDOUT:   %default.import = import <none>
    1149. 

  1149. // CHECK:STDOUT:   name_binding_decl {
    1150. 

  1150. // CHECK:STDOUT:     %a.patt: %pattern_type.cb1 = binding_pattern a [concrete]
    1151. 

  1151. // CHECK:STDOUT:     %a.var_patt: %pattern_type.cb1 = var_pattern %a.patt [concrete]
    1152. 

  1152. // CHECK:STDOUT:   }
    1153. 

  1153. // CHECK:STDOUT:   %a.var: ref %empty_tuple.type = var %a.var_patt [concrete]
    1154. 

  1154. // CHECK:STDOUT:   %.loc52_9.1: type = splice_block %.loc52_9.3 [concrete = constants.%empty_tuple.type] {
    1155. 

  1155. // CHECK:STDOUT:     %.loc52_9.2: %empty_tuple.type = tuple_literal ()
    1156. 

  1156. // CHECK:STDOUT:     %.loc52_9.3: type = converted %.loc52_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1157. 

  1157. // CHECK:STDOUT:   }
    1158. 

  1158. // CHECK:STDOUT:   %a: ref %empty_tuple.type = bind_name a, %a.var [concrete = %a.var]
    1159. 

  1159. // CHECK:STDOUT:   name_binding_decl {
    1160. 

  1160. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    1161. 

  1161. // CHECK:STDOUT:     %b.var_patt: %pattern_type.7ce = var_pattern %b.patt [concrete]
    1162. 

  1162. // CHECK:STDOUT:   }
    1163. 

  1163. // CHECK:STDOUT:   %b.var: ref %i32 = var %b.var_patt [concrete]
    1164. 

  1164. // CHECK:STDOUT:   %.loc53: type = splice_block %i32.loc53 [concrete = constants.%i32] {
    1165. 

  1165. // CHECK:STDOUT:     %int_32.loc53: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    1166. 

  1166. // CHECK:STDOUT:     %i32.loc53: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    1167. 

  1167. // CHECK:STDOUT:   }
    1168. 

  1168. // CHECK:STDOUT:   %b: ref %i32 = bind_name b, %b.var [concrete = %b.var]
    1169. 

  1169. // CHECK:STDOUT:   name_binding_decl {
    1170. 

  1170. // CHECK:STDOUT:     %c.patt: %pattern_type.688 = binding_pattern c [concrete]
    1171. 

  1171. // CHECK:STDOUT:     %c.var_patt: %pattern_type.688 = var_pattern %c.patt [concrete]
    1172. 

  1172. // CHECK:STDOUT:   }
    1173. 

  1173. // CHECK:STDOUT:   %c.var: ref %struct_type.c = var %c.var_patt [concrete]
    1174. 

  1174. // CHECK:STDOUT:   %.loc54: type = splice_block %struct_type.c [concrete = constants.%struct_type.c] {
    1175. 

  1175. // CHECK:STDOUT:     %int_32.loc54: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    1176. 

  1176. // CHECK:STDOUT:     %i32.loc54: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    1177. 

  1177. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    1178. 

  1178. // CHECK:STDOUT:   }
    1179. 

  1179. // CHECK:STDOUT:   %c: ref %struct_type.c = bind_name c, %c.var [concrete = %c.var]
    1180. 

  1180. // CHECK:STDOUT:   name_binding_decl {
    1181. 

  1181. // CHECK:STDOUT:     %d.patt: %pattern_type.cb1 = binding_pattern d [concrete]
    1182. 

  1182. // CHECK:STDOUT:     %d.var_patt: %pattern_type.cb1 = var_pattern %d.patt [concrete]
    1183. 

  1183. // CHECK:STDOUT:   }
    1184. 

  1184. // CHECK:STDOUT:   %d.var: ref %empty_tuple.type = var %d.var_patt [concrete]
    1185. 

  1185. // CHECK:STDOUT:   %.loc55_9.1: type = splice_block %.loc55_9.3 [concrete = constants.%empty_tuple.type] {
    1186. 

  1186. // CHECK:STDOUT:     %.loc55_9.2: %empty_tuple.type = tuple_literal ()
    1187. 

  1187. // CHECK:STDOUT:     %.loc55_9.3: type = converted %.loc55_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1188. 

  1188. // CHECK:STDOUT:   }
    1189. 

  1189. // CHECK:STDOUT:   %d: ref %empty_tuple.type = bind_name d, %d.var [concrete = %d.var]
    1190. 

  1190. // CHECK:STDOUT:   name_binding_decl {
    1191. 

  1191. // CHECK:STDOUT:     %e.patt: %pattern_type.cb1 = binding_pattern e [concrete]
    1192. 

  1192. // CHECK:STDOUT:     %e.var_patt: %pattern_type.cb1 = var_pattern %e.patt [concrete]
    1193. 

  1193. // CHECK:STDOUT:   }
    1194. 

  1194. // CHECK:STDOUT:   %e.var: ref %empty_tuple.type = var %e.var_patt [concrete]
    1195. 

  1195. // CHECK:STDOUT:   %.loc56_9.1: type = splice_block %.loc56_9.3 [concrete = constants.%empty_tuple.type] {
    1196. 

  1196. // CHECK:STDOUT:     %.loc56_9.2: %empty_tuple.type = tuple_literal ()
    1197. 

  1197. // CHECK:STDOUT:     %.loc56_9.3: type = converted %.loc56_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1198. 

  1198. // CHECK:STDOUT:   }
    1199. 

  1199. // CHECK:STDOUT:   %e: ref %empty_tuple.type = bind_name e, %e.var [concrete = %e.var]
    1200. 

  1200. // CHECK:STDOUT: }
    1201. 

  1201. // CHECK:STDOUT:
    1202. 

  1202. // CHECK:STDOUT: fn @A [from "api.carbon"];
    1203. 

  1203. // CHECK:STDOUT:
    1204. 

  1204. // CHECK:STDOUT: fn @B [from "api.carbon"];
    1205. 

  1205. // CHECK:STDOUT:
    1206. 

  1206. // CHECK:STDOUT: fn @C [from "api.carbon"];
    1207. 

  1207. // CHECK:STDOUT:
    1208. 

  1208. // CHECK:STDOUT: extern fn @D [from "api.carbon"];
    1209. 

  1209. // CHECK:STDOUT:
    1210. 

  1210. // CHECK:STDOUT: fn @E [from "api.carbon"];
    1211. 

  1211. // CHECK:STDOUT:
    1212. 

  1212. // CHECK:STDOUT: fn @__global_init() {
    1213. 

  1213. // CHECK:STDOUT: !entry:
    1214. 

  1214. // CHECK:STDOUT:   %A.ref: %A.type = name_ref A, imports.%Main.A [concrete = constants.%A]
    1215. 

  1215. // CHECK:STDOUT:   %A.call: init %empty_tuple.type = call %A.ref()
    1216. 

  1216. // CHECK:STDOUT:   assign file.%a.var, %A.call
    1217. 

  1217. // CHECK:STDOUT:   %B.ref: %B.type = name_ref B, imports.%Main.B [concrete = constants.%B]
    1218. 

  1218. // CHECK:STDOUT:   %int_1.loc53: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    1219. 

  1219. // CHECK:STDOUT:   %impl.elem0.loc53: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    1220. 

  1220. // CHECK:STDOUT:   %bound_method.loc53_16.1: <bound method> = bound_method %int_1.loc53, %impl.elem0.loc53 [concrete = constants.%Convert.bound]
    1221. 

  1221. // CHECK:STDOUT:   %specific_fn.loc53: <specific function> = specific_function %impl.elem0.loc53, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    1222. 

  1222. // CHECK:STDOUT:   %bound_method.loc53_16.2: <bound method> = bound_method %int_1.loc53, %specific_fn.loc53 [concrete = constants.%bound_method]
    1223. 

  1223. // CHECK:STDOUT:   %int.convert_checked.loc53: init %i32 = call %bound_method.loc53_16.2(%int_1.loc53) [concrete = constants.%int_1.5d2]
    1224. 

  1224. // CHECK:STDOUT:   %.loc53_16.1: %i32 = value_of_initializer %int.convert_checked.loc53 [concrete = constants.%int_1.5d2]
    1225. 

  1225. // CHECK:STDOUT:   %.loc53_16.2: %i32 = converted %int_1.loc53, %.loc53_16.1 [concrete = constants.%int_1.5d2]
    1226. 

  1226. // CHECK:STDOUT:   %B.call: init %i32 = call %B.ref(%.loc53_16.2)
    1227. 

  1227. // CHECK:STDOUT:   assign file.%b.var, %B.call
    1228. 

  1228. // CHECK:STDOUT:   %C.ref: %C.type = name_ref C, imports.%Main.C [concrete = constants.%C]
    1229. 

  1229. // CHECK:STDOUT:   %int_1.loc54: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    1230. 

  1230. // CHECK:STDOUT:   %.loc54_25.1: %tuple.type.985 = tuple_literal (%int_1.loc54)
    1231. 

  1231. // CHECK:STDOUT:   %impl.elem0.loc54: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    1232. 

  1232. // CHECK:STDOUT:   %bound_method.loc54_25.1: <bound method> = bound_method %int_1.loc54, %impl.elem0.loc54 [concrete = constants.%Convert.bound]
    1233. 

  1233. // CHECK:STDOUT:   %specific_fn.loc54: <specific function> = specific_function %impl.elem0.loc54, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    1234. 

  1234. // CHECK:STDOUT:   %bound_method.loc54_25.2: <bound method> = bound_method %int_1.loc54, %specific_fn.loc54 [concrete = constants.%bound_method]
    1235. 

  1235. // CHECK:STDOUT:   %int.convert_checked.loc54: init %i32 = call %bound_method.loc54_25.2(%int_1.loc54) [concrete = constants.%int_1.5d2]
    1236. 

  1236. // CHECK:STDOUT:   %.loc54_25.2: %i32 = value_of_initializer %int.convert_checked.loc54 [concrete = constants.%int_1.5d2]
    1237. 

  1237. // CHECK:STDOUT:   %.loc54_25.3: %i32 = converted %int_1.loc54, %.loc54_25.2 [concrete = constants.%int_1.5d2]
    1238. 

  1238. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%.loc54_25.3) [concrete = constants.%tuple]
    1239. 

  1239. // CHECK:STDOUT:   %.loc54_25.4: %tuple.type.a1c = converted %.loc54_25.1, %tuple [concrete = constants.%tuple]
    1240. 

  1240. // CHECK:STDOUT:   %C.call: init %struct_type.c = call %C.ref(%.loc54_25.4)
    1241. 

  1241. // CHECK:STDOUT:   assign file.%c.var, %C.call
    1242. 

  1242. // CHECK:STDOUT:   %D.ref: %D.type = name_ref D, imports.%Main.D [concrete = constants.%D]
    1243. 

  1243. // CHECK:STDOUT:   %D.call: init %empty_tuple.type = call %D.ref()
    1244. 

  1244. // CHECK:STDOUT:   assign file.%d.var, %D.call
    1245. 

  1245. // CHECK:STDOUT:   %NS.ref: <namespace> = name_ref NS, imports.%NS [concrete = imports.%NS]
    1246. 

  1246. // CHECK:STDOUT:   %E.ref: %E.type = name_ref E, imports.%Main.E [concrete = constants.%E]
    1247. 

  1247. // CHECK:STDOUT:   %E.call: init %empty_tuple.type = call %E.ref()
    1248. 

  1248. // CHECK:STDOUT:   assign file.%e.var, %E.call
    1249. 

  1249. // CHECK:STDOUT:   return
    1250. 

  1250. // CHECK:STDOUT: }
    1251. 

  1251. // CHECK:STDOUT:
    1252. 

  1252. // CHECK:STDOUT: --- fail_merge_reverse.carbon
    1253. 

  1253. // CHECK:STDOUT:
    1254. 

  1254. // CHECK:STDOUT: constants {
    1255. 

  1255. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    1256. 

  1256. // CHECK:STDOUT:   %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
    1257. 

  1257. // CHECK:STDOUT:   %A.type: type = fn_type @A [concrete]
    1258. 

  1258. // CHECK:STDOUT:   %A: %A.type = struct_value () [concrete]
    1259. 

  1259. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    1260. 

  1260. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    1261. 

  1261. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    1262. 

  1262. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    1263. 

  1263. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    1264. 

  1264. // CHECK:STDOUT:   %B.type: type = fn_type @B [concrete]
    1265. 

  1265. // CHECK:STDOUT:   %B: %B.type = struct_value () [concrete]
    1266. 

  1266. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    1267. 

  1267. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    1268. 

  1268. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    1269. 

  1269. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    1270. 

  1270. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    1271. 

  1271. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    1272. 

  1272. // CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.3, @impl.4f9(%To.c80) [symbolic]
    1273. 

  1273. // CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
    1274. 

  1274. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    1275. 

  1275. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.3, @impl.4f9(%int_32) [concrete]
    1276. 

  1276. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    1277. 

  1277. // CHECK:STDOUT:   %ImplicitAs.facet.921: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    1278. 

  1278. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet.921 [concrete]
    1279. 

  1279. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
    1280. 

  1280. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.3(%int_32) [concrete]
    1281. 

  1281. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    1282. 

  1282. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    1283. 

  1283. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %i32} [concrete]
    1284. 

  1284. // CHECK:STDOUT:   %pattern_type.688: type = pattern_type %struct_type.c [concrete]
    1285. 

  1285. // CHECK:STDOUT:   %C.type: type = fn_type @C [concrete]
    1286. 

  1286. // CHECK:STDOUT:   %C: %C.type = struct_value () [concrete]
    1287. 

  1287. // CHECK:STDOUT:   %tuple.type.a1c: type = tuple_type (%i32) [concrete]
    1288. 

  1288. // CHECK:STDOUT:   %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
    1289. 

  1289. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%int_1.5d2) [concrete]
    1290. 

  1290. // CHECK:STDOUT:   %D.type: type = fn_type @D [concrete]
    1291. 

  1291. // CHECK:STDOUT:   %D: %D.type = struct_value () [concrete]
    1292. 

  1292. // CHECK:STDOUT:   %E.type: type = fn_type @E [concrete]
    1293. 

  1293. // CHECK:STDOUT:   %E: %E.type = struct_value () [concrete]
    1294. 

  1294. // CHECK:STDOUT: }
    1295. 

  1295. // CHECK:STDOUT:
    1296. 

  1296. // CHECK:STDOUT: imports {
    1297. 

  1297. // CHECK:STDOUT:   %Main.A: %A.type = import_ref Main//extern_api, A, loaded [concrete = constants.%A]
    1298. 

  1298. // CHECK:STDOUT:   %Main.B: %B.type = import_ref Main//extern_api, B, loaded [concrete = constants.%B]
    1299. 

  1299. // CHECK:STDOUT:   %Main.C: %C.type = import_ref Main//extern_api, C, loaded [concrete = constants.%C]
    1300. 

  1300. // CHECK:STDOUT:   %Main.D: %D.type = import_ref Main//extern_api, D, loaded [concrete = constants.%D]
    1301. 

  1301. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//extern_api, NS, loaded
    1302. 

  1302. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    1303. 

  1303. // CHECK:STDOUT:     .E = %Main.E
    1304. 

  1304. // CHECK:STDOUT:   }
    1305. 

  1305. // CHECK:STDOUT:   %Main.E: %E.type = import_ref Main//extern_api, E, loaded [concrete = constants.%E]
    1306. 

  1306. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    1307. 

  1307. // CHECK:STDOUT:     .Int = %Core.Int
    1308. 

  1308. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    1309. 

  1309. // CHECK:STDOUT:     import Core//prelude
    1310. 

  1310. // CHECK:STDOUT:     import Core//prelude/...
    1311. 

  1311. // CHECK:STDOUT:   }
    1312. 

  1312. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    1313. 

  1313. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    1314. 

  1314. // CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
    1315. 

  1315. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
    1316. 

  1316. // CHECK:STDOUT: }
    1317. 

  1317. // CHECK:STDOUT:
    1318. 

  1318. // CHECK:STDOUT: file {
    1319. 

  1319. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    1320. 

  1320. // CHECK:STDOUT:     .A = imports.%Main.A
    1321. 

  1321. // CHECK:STDOUT:     .B = imports.%Main.B
    1322. 

  1322. // CHECK:STDOUT:     .C = imports.%Main.C
    1323. 

  1323. // CHECK:STDOUT:     .D = imports.%Main.D
    1324. 

  1324. // CHECK:STDOUT:     .NS = imports.%NS
    1325. 

  1325. // CHECK:STDOUT:     .Core = imports.%Core
    1326. 

  1326. // CHECK:STDOUT:     .a = %a
    1327. 

  1327. // CHECK:STDOUT:     .b = %b
    1328. 

  1328. // CHECK:STDOUT:     .c = %c
    1329. 

  1329. // CHECK:STDOUT:     .d = %d
    1330. 

  1330. // CHECK:STDOUT:     .e = %e
    1331. 

  1331. // CHECK:STDOUT:   }
    1332. 

  1332. // CHECK:STDOUT:   %Core.import = import Core
    1333. 

  1333. // CHECK:STDOUT:   %default.import = import <none>
    1334. 

  1334. // CHECK:STDOUT:   name_binding_decl {
    1335. 

  1335. // CHECK:STDOUT:     %a.patt: %pattern_type.cb1 = binding_pattern a [concrete]
    1336. 

  1336. // CHECK:STDOUT:     %a.var_patt: %pattern_type.cb1 = var_pattern %a.patt [concrete]
    1337. 

  1337. // CHECK:STDOUT:   }
    1338. 

  1338. // CHECK:STDOUT:   %a.var: ref %empty_tuple.type = var %a.var_patt [concrete]
    1339. 

  1339. // CHECK:STDOUT:   %.loc52_9.1: type = splice_block %.loc52_9.3 [concrete = constants.%empty_tuple.type] {
    1340. 

  1340. // CHECK:STDOUT:     %.loc52_9.2: %empty_tuple.type = tuple_literal ()
    1341. 

  1341. // CHECK:STDOUT:     %.loc52_9.3: type = converted %.loc52_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1342. 

  1342. // CHECK:STDOUT:   }
    1343. 

  1343. // CHECK:STDOUT:   %a: ref %empty_tuple.type = bind_name a, %a.var [concrete = %a.var]
    1344. 

  1344. // CHECK:STDOUT:   name_binding_decl {
    1345. 

  1345. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    1346. 

  1346. // CHECK:STDOUT:     %b.var_patt: %pattern_type.7ce = var_pattern %b.patt [concrete]
    1347. 

  1347. // CHECK:STDOUT:   }
    1348. 

  1348. // CHECK:STDOUT:   %b.var: ref %i32 = var %b.var_patt [concrete]
    1349. 

  1349. // CHECK:STDOUT:   %.loc53: type = splice_block %i32.loc53 [concrete = constants.%i32] {
    1350. 

  1350. // CHECK:STDOUT:     %int_32.loc53: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    1351. 

  1351. // CHECK:STDOUT:     %i32.loc53: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    1352. 

  1352. // CHECK:STDOUT:   }
    1353. 

  1353. // CHECK:STDOUT:   %b: ref %i32 = bind_name b, %b.var [concrete = %b.var]
    1354. 

  1354. // CHECK:STDOUT:   name_binding_decl {
    1355. 

  1355. // CHECK:STDOUT:     %c.patt: %pattern_type.688 = binding_pattern c [concrete]
    1356. 

  1356. // CHECK:STDOUT:     %c.var_patt: %pattern_type.688 = var_pattern %c.patt [concrete]
    1357. 

  1357. // CHECK:STDOUT:   }
    1358. 

  1358. // CHECK:STDOUT:   %c.var: ref %struct_type.c = var %c.var_patt [concrete]
    1359. 

  1359. // CHECK:STDOUT:   %.loc54: type = splice_block %struct_type.c [concrete = constants.%struct_type.c] {
    1360. 

  1360. // CHECK:STDOUT:     %int_32.loc54: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    1361. 

  1361. // CHECK:STDOUT:     %i32.loc54: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    1362. 

  1362. // CHECK:STDOUT:     %struct_type.c: type = struct_type {.c: %i32} [concrete = constants.%struct_type.c]
    1363. 

  1363. // CHECK:STDOUT:   }
    1364. 

  1364. // CHECK:STDOUT:   %c: ref %struct_type.c = bind_name c, %c.var [concrete = %c.var]
    1365. 

  1365. // CHECK:STDOUT:   name_binding_decl {
    1366. 

  1366. // CHECK:STDOUT:     %d.patt: %pattern_type.cb1 = binding_pattern d [concrete]
    1367. 

  1367. // CHECK:STDOUT:     %d.var_patt: %pattern_type.cb1 = var_pattern %d.patt [concrete]
    1368. 

  1368. // CHECK:STDOUT:   }
    1369. 

  1369. // CHECK:STDOUT:   %d.var: ref %empty_tuple.type = var %d.var_patt [concrete]
    1370. 

  1370. // CHECK:STDOUT:   %.loc55_9.1: type = splice_block %.loc55_9.3 [concrete = constants.%empty_tuple.type] {
    1371. 

  1371. // CHECK:STDOUT:     %.loc55_9.2: %empty_tuple.type = tuple_literal ()
    1372. 

  1372. // CHECK:STDOUT:     %.loc55_9.3: type = converted %.loc55_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1373. 

  1373. // CHECK:STDOUT:   }
    1374. 

  1374. // CHECK:STDOUT:   %d: ref %empty_tuple.type = bind_name d, %d.var [concrete = %d.var]
    1375. 

  1375. // CHECK:STDOUT:   name_binding_decl {
    1376. 

  1376. // CHECK:STDOUT:     %e.patt: %pattern_type.cb1 = binding_pattern e [concrete]
    1377. 

  1377. // CHECK:STDOUT:     %e.var_patt: %pattern_type.cb1 = var_pattern %e.patt [concrete]
    1378. 

  1378. // CHECK:STDOUT:   }
    1379. 

  1379. // CHECK:STDOUT:   %e.var: ref %empty_tuple.type = var %e.var_patt [concrete]
    1380. 

  1380. // CHECK:STDOUT:   %.loc56_9.1: type = splice_block %.loc56_9.3 [concrete = constants.%empty_tuple.type] {
    1381. 

  1381. // CHECK:STDOUT:     %.loc56_9.2: %empty_tuple.type = tuple_literal ()
    1382. 

  1382. // CHECK:STDOUT:     %.loc56_9.3: type = converted %.loc56_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    1383. 

  1383. // CHECK:STDOUT:   }
    1384. 

  1384. // CHECK:STDOUT:   %e: ref %empty_tuple.type = bind_name e, %e.var [concrete = %e.var]
    1385. 

  1385. // CHECK:STDOUT: }
    1386. 

  1386. // CHECK:STDOUT:
    1387. 

  1387. // CHECK:STDOUT: extern fn @A;
    1388. 

  1388. // CHECK:STDOUT:
    1389. 

  1389. // CHECK:STDOUT: extern fn @B;
    1390. 

  1390. // CHECK:STDOUT:
    1391. 

  1391. // CHECK:STDOUT: extern fn @C;
    1392. 

  1392. // CHECK:STDOUT:
    1393. 

  1393. // CHECK:STDOUT: extern fn @D;
    1394. 

  1394. // CHECK:STDOUT:
    1395. 

  1395. // CHECK:STDOUT: extern fn @E;
    1396. 

  1396. // CHECK:STDOUT:
    1397. 

  1397. // CHECK:STDOUT: fn @__global_init() {
    1398. 

  1398. // CHECK:STDOUT: !entry:
    1399. 

  1399. // CHECK:STDOUT:   %A.ref: %A.type = name_ref A, imports.%Main.A [concrete = constants.%A]
    1400. 

  1400. // CHECK:STDOUT:   %A.call: init %empty_tuple.type = call %A.ref()
    1401. 

  1401. // CHECK:STDOUT:   assign file.%a.var, %A.call
    1402. 

  1402. // CHECK:STDOUT:   %B.ref: %B.type = name_ref B, imports.%Main.B [concrete = constants.%B]
    1403. 

  1403. // CHECK:STDOUT:   %int_1.loc53: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    1404. 

  1404. // CHECK:STDOUT:   %impl.elem0.loc53: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    1405. 

  1405. // CHECK:STDOUT:   %bound_method.loc53_16.1: <bound method> = bound_method %int_1.loc53, %impl.elem0.loc53 [concrete = constants.%Convert.bound]
    1406. 

  1406. // CHECK:STDOUT:   %specific_fn.loc53: <specific function> = specific_function %impl.elem0.loc53, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    1407. 

  1407. // CHECK:STDOUT:   %bound_method.loc53_16.2: <bound method> = bound_method %int_1.loc53, %specific_fn.loc53 [concrete = constants.%bound_method]
    1408. 

  1408. // CHECK:STDOUT:   %int.convert_checked.loc53: init %i32 = call %bound_method.loc53_16.2(%int_1.loc53) [concrete = constants.%int_1.5d2]
    1409. 

  1409. // CHECK:STDOUT:   %.loc53_16.1: %i32 = value_of_initializer %int.convert_checked.loc53 [concrete = constants.%int_1.5d2]
    1410. 

  1410. // CHECK:STDOUT:   %.loc53_16.2: %i32 = converted %int_1.loc53, %.loc53_16.1 [concrete = constants.%int_1.5d2]
    1411. 

  1411. // CHECK:STDOUT:   %B.call: init %i32 = call %B.ref(%.loc53_16.2)
    1412. 

  1412. // CHECK:STDOUT:   assign file.%b.var, %B.call
    1413. 

  1413. // CHECK:STDOUT:   %C.ref: %C.type = name_ref C, imports.%Main.C [concrete = constants.%C]
    1414. 

  1414. // CHECK:STDOUT:   %int_1.loc54: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    1415. 

  1415. // CHECK:STDOUT:   %.loc54_25.1: %tuple.type.985 = tuple_literal (%int_1.loc54)
    1416. 

  1416. // CHECK:STDOUT:   %impl.elem0.loc54: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    1417. 

  1417. // CHECK:STDOUT:   %bound_method.loc54_25.1: <bound method> = bound_method %int_1.loc54, %impl.elem0.loc54 [concrete = constants.%Convert.bound]
    1418. 

  1418. // CHECK:STDOUT:   %specific_fn.loc54: <specific function> = specific_function %impl.elem0.loc54, @Convert.3(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    1419. 

  1419. // CHECK:STDOUT:   %bound_method.loc54_25.2: <bound method> = bound_method %int_1.loc54, %specific_fn.loc54 [concrete = constants.%bound_method]
    1420. 

  1420. // CHECK:STDOUT:   %int.convert_checked.loc54: init %i32 = call %bound_method.loc54_25.2(%int_1.loc54) [concrete = constants.%int_1.5d2]
    1421. 

  1421. // CHECK:STDOUT:   %.loc54_25.2: %i32 = value_of_initializer %int.convert_checked.loc54 [concrete = constants.%int_1.5d2]
    1422. 

  1422. // CHECK:STDOUT:   %.loc54_25.3: %i32 = converted %int_1.loc54, %.loc54_25.2 [concrete = constants.%int_1.5d2]
    1423. 

  1423. // CHECK:STDOUT:   %tuple: %tuple.type.a1c = tuple_value (%.loc54_25.3) [concrete = constants.%tuple]
    1424. 

  1424. // CHECK:STDOUT:   %.loc54_25.4: %tuple.type.a1c = converted %.loc54_25.1, %tuple [concrete = constants.%tuple]
    1425. 

  1425. // CHECK:STDOUT:   %C.call: init %struct_type.c = call %C.ref(%.loc54_25.4)
    1426. 

  1426. // CHECK:STDOUT:   assign file.%c.var, %C.call
    1427. 

  1427. // CHECK:STDOUT:   %D.ref: %D.type = name_ref D, imports.%Main.D [concrete = constants.%D]
    1428. 

  1428. // CHECK:STDOUT:   %D.call: init %empty_tuple.type = call %D.ref()
    1429. 

  1429. // CHECK:STDOUT:   assign file.%d.var, %D.call
    1430. 

  1430. // CHECK:STDOUT:   %NS.ref: <namespace> = name_ref NS, imports.%NS [concrete = imports.%NS]
    1431. 

  1431. // CHECK:STDOUT:   %E.ref: %E.type = name_ref E, imports.%Main.E [concrete = constants.%E]
    1432. 

  1432. // CHECK:STDOUT:   %E.call: init %empty_tuple.type = call %E.ref()
    1433. 

  1433. // CHECK:STDOUT:   assign file.%e.var, %E.call
    1434. 

  1434. // CHECK:STDOUT:   return
    1435. 

  1435. // CHECK:STDOUT: }
    1436. 

  1436. // CHECK:STDOUT:
    1437. 

  1437. // CHECK:STDOUT: --- unloaded.carbon
    1438. 

  1438. // CHECK:STDOUT:
    1439. 

  1439. // CHECK:STDOUT: imports {
    1440. 

  1440. // CHECK:STDOUT:   %Main.A = import_ref Main//api, A, unloaded
    1441. 

  1441. // CHECK:STDOUT:   %Main.B = import_ref Main//api, B, unloaded
    1442. 

  1442. // CHECK:STDOUT:   %Main.C = import_ref Main//api, C, unloaded
    1443. 

  1443. // CHECK:STDOUT:   %Main.D = import_ref Main//api, D, unloaded
    1444. 

  1444. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//api, NS, loaded
    1445. 

  1445. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    1446. 

  1446. // CHECK:STDOUT:     .E = %Main.E
    1447. 

  1447. // CHECK:STDOUT:   }
    1448. 

  1448. // CHECK:STDOUT:   %Main.E = import_ref Main//api, E, unloaded
    1449. 

  1449. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    1450. 

  1450. // CHECK:STDOUT:     import Core//prelude
    1451. 

  1451. // CHECK:STDOUT:     import Core//prelude/...
    1452. 

  1452. // CHECK:STDOUT:   }
    1453. 

  1453. // CHECK:STDOUT: }
    1454. 

  1454. // CHECK:STDOUT:
    1455. 

  1455. // CHECK:STDOUT: file {
    1456. 

  1456. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    1457. 

  1457. // CHECK:STDOUT:     .A = imports.%Main.A
    1458. 

  1458. // CHECK:STDOUT:     .B = imports.%Main.B
    1459. 

  1459. // CHECK:STDOUT:     .C = imports.%Main.C
    1460. 

  1460. // CHECK:STDOUT:     .D = imports.%Main.D
    1461. 

  1461. // CHECK:STDOUT:     .NS = imports.%NS
    1462. 

  1462. // CHECK:STDOUT:     .Core = imports.%Core
    1463. 

  1463. // CHECK:STDOUT:   }
    1464. 

  1464. // CHECK:STDOUT:   %Core.import = import Core
    1465. 

  1465. // CHECK:STDOUT:   %default.import = import <none>
    1466. 

  1466. // CHECK:STDOUT: }
    1467. 

  1467. // CHECK:STDOUT:
    1468. 

  1468. // CHECK:STDOUT: --- unloaded_extern.carbon
    1469. 

  1469. // CHECK:STDOUT:
    1470. 

  1470. // CHECK:STDOUT: imports {
    1471. 

  1471. // CHECK:STDOUT:   %Main.A = import_ref Main//extern_api, A, unloaded
    1472. 

  1472. // CHECK:STDOUT:   %Main.B = import_ref Main//extern_api, B, unloaded
    1473. 

  1473. // CHECK:STDOUT:   %Main.C = import_ref Main//extern_api, C, unloaded
    1474. 

  1474. // CHECK:STDOUT:   %Main.D = import_ref Main//extern_api, D, unloaded
    1475. 

  1475. // CHECK:STDOUT:   %Main.NS: <namespace> = import_ref Main//extern_api, NS, loaded
    1476. 

  1476. // CHECK:STDOUT:   %NS: <namespace> = namespace %Main.NS, [concrete] {
    1477. 

  1477. // CHECK:STDOUT:     .E = %Main.E
    1478. 

  1478. // CHECK:STDOUT:   }
    1479. 

  1479. // CHECK:STDOUT:   %Main.E = import_ref Main//extern_api, E, unloaded
    1480. 

  1480. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    1481. 

  1481. // CHECK:STDOUT:     import Core//prelude
    1482. 

  1482. // CHECK:STDOUT:     import Core//prelude/...
    1483. 

  1483. // CHECK:STDOUT:   }
    1484. 

  1484. // CHECK:STDOUT: }
    1485. 

  1485. // CHECK:STDOUT:
    1486. 

  1486. // CHECK:STDOUT: file {
    1487. 

  1487. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    1488. 

  1488. // CHECK:STDOUT:     .A = imports.%Main.A
    1489. 

  1489. // CHECK:STDOUT:     .B = imports.%Main.B
    1490. 

  1490. // CHECK:STDOUT:     .C = imports.%Main.C
    1491. 

  1491. // CHECK:STDOUT:     .D = imports.%Main.D
    1492. 

  1492. // CHECK:STDOUT:     .NS = imports.%NS
    1493. 

  1493. // CHECK:STDOUT:     .Core = imports.%Core
    1494. 

  1494. // CHECK:STDOUT:   }
    1495. 

  1495. // CHECK:STDOUT:   %Core.import = import Core
    1496. 

  1496. // CHECK:STDOUT:   %default.import = import <none>
    1497. 

  1497. // CHECK:STDOUT: }
    1498. 

  1498. // CHECK:STDOUT:
    1499.