fail_decl_param_mismatch.carbon 15 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251
  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
  8. //
  9. // AUTOUPDATE
  10. // TIP: To test this file alone, run:
  11. // TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/definition/fail_decl_param_mismatch.carbon
  12. // TIP: To dump output, run:
  13. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/definition/fail_decl_param_mismatch.carbon
  14. fn F();
  15. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: redeclaration differs because of parameter count of 1 [RedeclParamCountDiffers]
  16. // CHECK:STDERR: fn F(x: ()) {}
  17. // CHECK:STDERR: ^~~~~~~~~~~~~
  18. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with parameter count of 0 [RedeclParamCountPrevious]
  19. // CHECK:STDERR: fn F();
  20. // CHECK:STDERR: ^~~~~~~
  21. // CHECK:STDERR:
  22. fn F(x: ()) {}
  23. fn G(x: ());
  24. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: redeclaration differs because of parameter count of 0 [RedeclParamCountDiffers]
  25. // CHECK:STDERR: fn G() {}
  26. // CHECK:STDERR: ^~~~~~~~
  27. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with parameter count of 1 [RedeclParamCountPrevious]
  28. // CHECK:STDERR: fn G(x: ());
  29. // CHECK:STDERR: ^~~~~~~~~~~~
  30. // CHECK:STDERR:
  31. fn G() {}
  32. fn H(x: ());
  33. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+4]]:9: error: `Core.Bool` implicitly referenced here, but package `Core` not found [CoreNotFound]
  34. // CHECK:STDERR: fn H(x: bool) {}
  35. // CHECK:STDERR: ^~~~
  36. // CHECK:STDERR:
  37. fn H(x: bool) {}
  38. fn I();
  39. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: function redeclaration differs because return type is `()` [FunctionRedeclReturnTypeDiffers]
  40. // CHECK:STDERR: fn I() -> () { return (); }
  41. // CHECK:STDERR: ^~~~~~~~~~~~~~
  42. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with no return type [FunctionRedeclReturnTypePreviousNoReturn]
  43. // CHECK:STDERR: fn I();
  44. // CHECK:STDERR: ^~~~~~~
  45. // CHECK:STDERR:
  46. fn I() -> () { return (); }
  47. fn J() -> ();
  48. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: function redeclaration differs because no return type is provided [FunctionRedeclReturnTypeDiffersNoReturn]
  49. // CHECK:STDERR: fn J() {}
  50. // CHECK:STDERR: ^~~~~~~~
  51. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with return type `()` [FunctionRedeclReturnTypePrevious]
  52. // CHECK:STDERR: fn J() -> ();
  53. // CHECK:STDERR: ^~~~~~~~~~~~~
  54. // CHECK:STDERR:
  55. fn J() {}
  56. fn K() -> ();
  57. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: function redeclaration differs because return type is `{}` [FunctionRedeclReturnTypeDiffers]
  58. // CHECK:STDERR: fn K() -> {} { return {}; }
  59. // CHECK:STDERR: ^~~~~~~~~~~~~~
  60. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with return type `()` [FunctionRedeclReturnTypePrevious]
  61. // CHECK:STDERR: fn K() -> ();
  62. // CHECK:STDERR: ^~~~~~~~~~~~~
  63. // CHECK:STDERR:
  64. fn K() -> {} { return {}; }
  65. // CHECK:STDOUT: --- fail_decl_param_mismatch.carbon
  66. // CHECK:STDOUT:
  67. // CHECK:STDOUT: constants {
  68. // CHECK:STDOUT: %F.type.117dbc.1: type = fn_type @F.loc15 [concrete]
  69. // CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
  70. // CHECK:STDOUT: %F.d98bd5.1: %F.type.117dbc.1 = struct_value () [concrete]
  71. // CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
  72. // CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
  73. // CHECK:STDOUT: %F.type.117dbc.2: type = fn_type @F.loc23 [concrete]
  74. // CHECK:STDOUT: %F.d98bd5.2: %F.type.117dbc.2 = struct_value () [concrete]
  75. // CHECK:STDOUT: %G.type.90f93f.1: type = fn_type @G.loc25 [concrete]
  76. // CHECK:STDOUT: %G.4dbc02.1: %G.type.90f93f.1 = struct_value () [concrete]
  77. // CHECK:STDOUT: %G.type.90f93f.2: type = fn_type @G.loc33 [concrete]
  78. // CHECK:STDOUT: %G.4dbc02.2: %G.type.90f93f.2 = struct_value () [concrete]
  79. // CHECK:STDOUT: %H.type.7917a6.1: type = fn_type @H.loc35 [concrete]
  80. // CHECK:STDOUT: %H.414c03.1: %H.type.7917a6.1 = struct_value () [concrete]
  81. // CHECK:STDOUT: %H.type.7917a6.2: type = fn_type @H.loc40 [concrete]
  82. // CHECK:STDOUT: %H.414c03.2: %H.type.7917a6.2 = struct_value () [concrete]
  83. // CHECK:STDOUT: %I.type.f30c8e.1: type = fn_type @I.loc42 [concrete]
  84. // CHECK:STDOUT: %I.73832e.1: %I.type.f30c8e.1 = struct_value () [concrete]
  85. // CHECK:STDOUT: %.842: Core.Form = init_form %empty_tuple.type, call_param0 [concrete]
  86. // CHECK:STDOUT: %I.type.f30c8e.2: type = fn_type @I.loc50 [concrete]
  87. // CHECK:STDOUT: %I.73832e.2: %I.type.f30c8e.2 = struct_value () [concrete]
  88. // CHECK:STDOUT: %J.type.fe0423.1: type = fn_type @J.loc52 [concrete]
  89. // CHECK:STDOUT: %J.6d8208.1: %J.type.fe0423.1 = struct_value () [concrete]
  90. // CHECK:STDOUT: %J.type.fe0423.2: type = fn_type @J.loc60 [concrete]
  91. // CHECK:STDOUT: %J.6d8208.2: %J.type.fe0423.2 = struct_value () [concrete]
  92. // CHECK:STDOUT: %K.type.4b1c50.1: type = fn_type @K.loc62 [concrete]
  93. // CHECK:STDOUT: %K.548a8d.1: %K.type.4b1c50.1 = struct_value () [concrete]
  94. // CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
  95. // CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
  96. // CHECK:STDOUT: %.dde: Core.Form = init_form %empty_struct_type, call_param0 [concrete]
  97. // CHECK:STDOUT: %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
  98. // CHECK:STDOUT: %K.type.4b1c50.2: type = fn_type @K.loc70 [concrete]
  99. // CHECK:STDOUT: %K.548a8d.2: %K.type.4b1c50.2 = struct_value () [concrete]
  100. // CHECK:STDOUT: }
  101. // CHECK:STDOUT:
  102. // CHECK:STDOUT: file {
  103. // CHECK:STDOUT: package: <namespace> = namespace [concrete] {
  104. // CHECK:STDOUT: .F = %F.decl.loc15
  105. // CHECK:STDOUT: .G = %G.decl.loc25
  106. // CHECK:STDOUT: .H = %H.decl.loc35
  107. // CHECK:STDOUT: .I = %I.decl.loc42
  108. // CHECK:STDOUT: .J = %J.decl.loc52
  109. // CHECK:STDOUT: .K = %K.decl.loc62
  110. // CHECK:STDOUT: }
  111. // CHECK:STDOUT: %F.decl.loc15: %F.type.117dbc.1 = fn_decl @F.loc15 [concrete = constants.%F.d98bd5.1] {} {}
  112. // CHECK:STDOUT: %F.decl.loc23: %F.type.117dbc.2 = fn_decl @F.loc23 [concrete = constants.%F.d98bd5.2] {
  113. // CHECK:STDOUT: %x.patt: %pattern_type.cb1 = value_binding_pattern x [concrete]
  114. // CHECK:STDOUT: %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
  115. // CHECK:STDOUT: } {
  116. // CHECK:STDOUT: %x.param: %empty_tuple.type = value_param call_param0
  117. // CHECK:STDOUT: %.loc23_10.1: type = splice_block %.loc23_10.3 [concrete = constants.%empty_tuple.type] {
  118. // CHECK:STDOUT: %.loc23_10.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  119. // CHECK:STDOUT: %.loc23_10.3: type = converted %.loc23_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
  120. // CHECK:STDOUT: }
  121. // CHECK:STDOUT: %x: %empty_tuple.type = value_binding x, %x.param
  122. // CHECK:STDOUT: }
  123. // CHECK:STDOUT: %G.decl.loc25: %G.type.90f93f.1 = fn_decl @G.loc25 [concrete = constants.%G.4dbc02.1] {
  124. // CHECK:STDOUT: %x.patt: %pattern_type.cb1 = value_binding_pattern x [concrete]
  125. // CHECK:STDOUT: %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
  126. // CHECK:STDOUT: } {
  127. // CHECK:STDOUT: %x.param: %empty_tuple.type = value_param call_param0
  128. // CHECK:STDOUT: %.loc25_10.1: type = splice_block %.loc25_10.3 [concrete = constants.%empty_tuple.type] {
  129. // CHECK:STDOUT: %.loc25_10.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  130. // CHECK:STDOUT: %.loc25_10.3: type = converted %.loc25_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
  131. // CHECK:STDOUT: }
  132. // CHECK:STDOUT: %x: %empty_tuple.type = value_binding x, %x.param
  133. // CHECK:STDOUT: }
  134. // CHECK:STDOUT: %G.decl.loc33: %G.type.90f93f.2 = fn_decl @G.loc33 [concrete = constants.%G.4dbc02.2] {} {}
  135. // CHECK:STDOUT: %H.decl.loc35: %H.type.7917a6.1 = fn_decl @H.loc35 [concrete = constants.%H.414c03.1] {
  136. // CHECK:STDOUT: %x.patt: %pattern_type.cb1 = value_binding_pattern x [concrete]
  137. // CHECK:STDOUT: %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
  138. // CHECK:STDOUT: } {
  139. // CHECK:STDOUT: %x.param: %empty_tuple.type = value_param call_param0
  140. // CHECK:STDOUT: %.loc35_10.1: type = splice_block %.loc35_10.3 [concrete = constants.%empty_tuple.type] {
  141. // CHECK:STDOUT: %.loc35_10.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  142. // CHECK:STDOUT: %.loc35_10.3: type = converted %.loc35_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
  143. // CHECK:STDOUT: }
  144. // CHECK:STDOUT: %x: %empty_tuple.type = value_binding x, %x.param
  145. // CHECK:STDOUT: }
  146. // CHECK:STDOUT: %H.decl.loc40: %H.type.7917a6.2 = fn_decl @H.loc40 [concrete = constants.%H.414c03.2] {
  147. // CHECK:STDOUT: %x.patt: <error> = value_binding_pattern x [concrete]
  148. // CHECK:STDOUT: %x.param_patt: <error> = value_param_pattern %x.patt, call_param0 [concrete]
  149. // CHECK:STDOUT: } {
  150. // CHECK:STDOUT: %x.param: <error> = value_param call_param0
  151. // CHECK:STDOUT: %x: <error> = value_binding x, %x.param
  152. // CHECK:STDOUT: }
  153. // CHECK:STDOUT: %I.decl.loc42: %I.type.f30c8e.1 = fn_decl @I.loc42 [concrete = constants.%I.73832e.1] {} {}
  154. // CHECK:STDOUT: %I.decl.loc50: %I.type.f30c8e.2 = fn_decl @I.loc50 [concrete = constants.%I.73832e.2] {
  155. // CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
  156. // CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
  157. // CHECK:STDOUT: } {
  158. // CHECK:STDOUT: %.loc50_12.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  159. // CHECK:STDOUT: %.loc50_12.2: type = converted %.loc50_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
  160. // CHECK:STDOUT: %.loc50_12.3: Core.Form = init_form %.loc50_12.2, call_param0 [concrete = constants.%.842]
  161. // CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param0
  162. // CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
  163. // CHECK:STDOUT: }
  164. // CHECK:STDOUT: %J.decl.loc52: %J.type.fe0423.1 = fn_decl @J.loc52 [concrete = constants.%J.6d8208.1] {
  165. // CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
  166. // CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
  167. // CHECK:STDOUT: } {
  168. // CHECK:STDOUT: %.loc52_12.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  169. // CHECK:STDOUT: %.loc52_12.2: type = converted %.loc52_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
  170. // CHECK:STDOUT: %.loc52_12.3: Core.Form = init_form %.loc52_12.2, call_param0 [concrete = constants.%.842]
  171. // CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param0
  172. // CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
  173. // CHECK:STDOUT: }
  174. // CHECK:STDOUT: %J.decl.loc60: %J.type.fe0423.2 = fn_decl @J.loc60 [concrete = constants.%J.6d8208.2] {} {}
  175. // CHECK:STDOUT: %K.decl.loc62: %K.type.4b1c50.1 = fn_decl @K.loc62 [concrete = constants.%K.548a8d.1] {
  176. // CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
  177. // CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
  178. // CHECK:STDOUT: } {
  179. // CHECK:STDOUT: %.loc62_12.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  180. // CHECK:STDOUT: %.loc62_12.2: type = converted %.loc62_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
  181. // CHECK:STDOUT: %.loc62_12.3: Core.Form = init_form %.loc62_12.2, call_param0 [concrete = constants.%.842]
  182. // CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param0
  183. // CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
  184. // CHECK:STDOUT: }
  185. // CHECK:STDOUT: %K.decl.loc70: %K.type.4b1c50.2 = fn_decl @K.loc70 [concrete = constants.%K.548a8d.2] {
  186. // CHECK:STDOUT: %return.patt: %pattern_type.a96 = return_slot_pattern [concrete]
  187. // CHECK:STDOUT: %return.param_patt: %pattern_type.a96 = out_param_pattern %return.patt, call_param0 [concrete]
  188. // CHECK:STDOUT: } {
  189. // CHECK:STDOUT: %.loc70_12.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
  190. // CHECK:STDOUT: %.loc70_12.2: type = converted %.loc70_12.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
  191. // CHECK:STDOUT: %.loc70_12.3: Core.Form = init_form %.loc70_12.2, call_param0 [concrete = constants.%.dde]
  192. // CHECK:STDOUT: %return.param: ref %empty_struct_type = out_param call_param0
  193. // CHECK:STDOUT: %return: ref %empty_struct_type = return_slot %return.param
  194. // CHECK:STDOUT: }
  195. // CHECK:STDOUT: }
  196. // CHECK:STDOUT:
  197. // CHECK:STDOUT: fn @F.loc15();
  198. // CHECK:STDOUT:
  199. // CHECK:STDOUT: fn @F.loc23(%x.param: %empty_tuple.type) {
  200. // CHECK:STDOUT: !entry:
  201. // CHECK:STDOUT: return
  202. // CHECK:STDOUT: }
  203. // CHECK:STDOUT:
  204. // CHECK:STDOUT: fn @G.loc25(%x.param: %empty_tuple.type);
  205. // CHECK:STDOUT:
  206. // CHECK:STDOUT: fn @G.loc33() {
  207. // CHECK:STDOUT: !entry:
  208. // CHECK:STDOUT: return
  209. // CHECK:STDOUT: }
  210. // CHECK:STDOUT:
  211. // CHECK:STDOUT: fn @H.loc35(%x.param: %empty_tuple.type);
  212. // CHECK:STDOUT:
  213. // CHECK:STDOUT: fn @H.loc40(%x.param: <error>) {
  214. // CHECK:STDOUT: !entry:
  215. // CHECK:STDOUT: return
  216. // CHECK:STDOUT: }
  217. // CHECK:STDOUT:
  218. // CHECK:STDOUT: fn @I.loc42();
  219. // CHECK:STDOUT:
  220. // CHECK:STDOUT: fn @I.loc50() -> out %return.param: %empty_tuple.type {
  221. // CHECK:STDOUT: !entry:
  222. // CHECK:STDOUT: %.loc50_24.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
  223. // CHECK:STDOUT: %.loc50_24.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
  224. // CHECK:STDOUT: %.loc50_25: init %empty_tuple.type = converted %.loc50_24.1, %.loc50_24.2 [concrete = constants.%empty_tuple]
  225. // CHECK:STDOUT: return %.loc50_25
  226. // CHECK:STDOUT: }
  227. // CHECK:STDOUT:
  228. // CHECK:STDOUT: fn @J.loc52() -> out %return.param: %empty_tuple.type;
  229. // CHECK:STDOUT:
  230. // CHECK:STDOUT: fn @J.loc60() {
  231. // CHECK:STDOUT: !entry:
  232. // CHECK:STDOUT: return
  233. // CHECK:STDOUT: }
  234. // CHECK:STDOUT:
  235. // CHECK:STDOUT: fn @K.loc62() -> out %return.param: %empty_tuple.type;
  236. // CHECK:STDOUT:
  237. // CHECK:STDOUT: fn @K.loc70() -> out %return.param: %empty_struct_type {
  238. // CHECK:STDOUT: !entry:
  239. // CHECK:STDOUT: %.loc70_24.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
  240. // CHECK:STDOUT: %.loc70_24.2: init %empty_struct_type = struct_init () [concrete = constants.%empty_struct]
  241. // CHECK:STDOUT: %.loc70_25: init %empty_struct_type = converted %.loc70_24.1, %.loc70_24.2 [concrete = constants.%empty_struct]
  242. // CHECK:STDOUT: return %.loc70_25
  243. // CHECK:STDOUT: }
  244. // CHECK:STDOUT: