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break_continue.carbon

break_continue.carbon 13 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // AUTOUPDATE
    6. 

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

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/while/break_continue.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/while/break_continue.carbon
    10. 

  10. 

  11. fn A() -> bool;
    12. 

  12. fn B() -> bool;
    13. 

  13. fn C() -> bool;
    14. 

  14. fn D() -> bool;
    15. 

  15. fn E() -> bool;
    16. 

  16. fn F() -> bool;
    17. 

  17. fn G() -> bool;
    18. 

  18. fn H() -> bool;
    19. 

  19. 

  20. fn While() {
    21. 

  21.   while (A()) {
    22. 

  22.     if (B()) { continue; }
    23. 

  23.     if (C()) { break; }
    24. 

  24.     while (D()) {
    25. 

  25.       if (E()) { continue; }
    26. 

  26.       if (F()) { break; }
    27. 

  27.     }
    28. 

  28.     if (G()) { continue; }
    29. 

  29.     if (H()) { break; }
    30. 

  30.   }
    31. 

  31. }
    32. 

  32. 

  33. // CHECK:STDOUT: --- break_continue.carbon
    34. 

  34. // CHECK:STDOUT:
    35. 

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

  36. // CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [template]
    37. 

  37. // CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [template]
    38. 

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

  39. // CHECK:STDOUT:   %A: %A.type = struct_value () [template]
    40. 

  40. // CHECK:STDOUT:   %B.type: type = fn_type @B [template]
    41. 

  41. // CHECK:STDOUT:   %B: %B.type = struct_value () [template]
    42. 

  42. // CHECK:STDOUT:   %C.type: type = fn_type @C [template]
    43. 

  43. // CHECK:STDOUT:   %C: %C.type = struct_value () [template]
    44. 

  44. // CHECK:STDOUT:   %D.type: type = fn_type @D [template]
    45. 

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

  46. // CHECK:STDOUT:   %E.type: type = fn_type @E [template]
    47. 

  47. // CHECK:STDOUT:   %E: %E.type = struct_value () [template]
    48. 

  48. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    49. 

  49. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    50. 

  50. // CHECK:STDOUT:   %G.type: type = fn_type @G [template]
    51. 

  51. // CHECK:STDOUT:   %G: %G.type = struct_value () [template]
    52. 

  52. // CHECK:STDOUT:   %H.type: type = fn_type @H [template]
    53. 

  53. // CHECK:STDOUT:   %H: %H.type = struct_value () [template]
    54. 

  54. // CHECK:STDOUT:   %While.type: type = fn_type @While [template]
    55. 

  55. // CHECK:STDOUT:   %While: %While.type = struct_value () [template]
    56. 

  56. // CHECK:STDOUT: }
    57. 

  57. // CHECK:STDOUT:
    58. 

  58. // CHECK:STDOUT: imports {
    59. 

  59. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    60. 

  60. // CHECK:STDOUT:     .Bool = %Core.Bool
    61. 

  61. // CHECK:STDOUT:     import Core//prelude
    62. 

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

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: file {
    67. 

  67. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    68. 

  68. // CHECK:STDOUT:     .Core = imports.%Core
    69. 

  69. // CHECK:STDOUT:     .A = %A.decl
    70. 

  70. // CHECK:STDOUT:     .B = %B.decl
    71. 

  71. // CHECK:STDOUT:     .C = %C.decl
    72. 

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

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

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

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

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

  77. // CHECK:STDOUT:     .While = %While.decl
    78. 

  78. // CHECK:STDOUT:   }
    79. 

  79. // CHECK:STDOUT:   %Core.import = import Core
    80. 

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

  81. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    82. 

  82. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    83. 

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

  84. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    85. 

  85. // CHECK:STDOUT:     %.loc11_11.1: type = value_of_initializer %bool.make_type [template = bool]
    86. 

  86. // CHECK:STDOUT:     %.loc11_11.2: type = converted %bool.make_type, %.loc11_11.1 [template = bool]
    87. 

  87. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    88. 

  88. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    89. 

  89. // CHECK:STDOUT:   }
    90. 

  90. // CHECK:STDOUT:   %B.decl: %B.type = fn_decl @B [template = constants.%B] {
    91. 

  91. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    92. 

  92. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    93. 

  93. // CHECK:STDOUT:   } {
    94. 

  94. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    95. 

  95. // CHECK:STDOUT:     %.loc12_11.1: type = value_of_initializer %bool.make_type [template = bool]
    96. 

  96. // CHECK:STDOUT:     %.loc12_11.2: type = converted %bool.make_type, %.loc12_11.1 [template = bool]
    97. 

  97. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    98. 

  98. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    99. 

  99. // CHECK:STDOUT:   }
    100. 

  100. // CHECK:STDOUT:   %C.decl: %C.type = fn_decl @C [template = constants.%C] {
    101. 

  101. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    102. 

  102. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    103. 

  103. // CHECK:STDOUT:   } {
    104. 

  104. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    105. 

  105. // CHECK:STDOUT:     %.loc13_11.1: type = value_of_initializer %bool.make_type [template = bool]
    106. 

  106. // CHECK:STDOUT:     %.loc13_11.2: type = converted %bool.make_type, %.loc13_11.1 [template = bool]
    107. 

  107. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    108. 

  108. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    109. 

  109. // CHECK:STDOUT:   }
    110. 

  110. // CHECK:STDOUT:   %D.decl: %D.type = fn_decl @D [template = constants.%D] {
    111. 

  111. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    112. 

  112. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    113. 

  113. // CHECK:STDOUT:   } {
    114. 

  114. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    115. 

  115. // CHECK:STDOUT:     %.loc14_11.1: type = value_of_initializer %bool.make_type [template = bool]
    116. 

  116. // CHECK:STDOUT:     %.loc14_11.2: type = converted %bool.make_type, %.loc14_11.1 [template = bool]
    117. 

  117. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    118. 

  118. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    119. 

  119. // CHECK:STDOUT:   }
    120. 

  120. // CHECK:STDOUT:   %E.decl: %E.type = fn_decl @E [template = constants.%E] {
    121. 

  121. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    122. 

  122. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    123. 

  123. // CHECK:STDOUT:   } {
    124. 

  124. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    125. 

  125. // CHECK:STDOUT:     %.loc15_11.1: type = value_of_initializer %bool.make_type [template = bool]
    126. 

  126. // CHECK:STDOUT:     %.loc15_11.2: type = converted %bool.make_type, %.loc15_11.1 [template = bool]
    127. 

  127. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    128. 

  128. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    129. 

  129. // CHECK:STDOUT:   }
    130. 

  130. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
    131. 

  131. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    132. 

  132. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    133. 

  133. // CHECK:STDOUT:   } {
    134. 

  134. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    135. 

  135. // CHECK:STDOUT:     %.loc16_11.1: type = value_of_initializer %bool.make_type [template = bool]
    136. 

  136. // CHECK:STDOUT:     %.loc16_11.2: type = converted %bool.make_type, %.loc16_11.1 [template = bool]
    137. 

  137. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    138. 

  138. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    139. 

  139. // CHECK:STDOUT:   }
    140. 

  140. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
    141. 

  141. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    142. 

  142. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    143. 

  143. // CHECK:STDOUT:   } {
    144. 

  144. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    145. 

  145. // CHECK:STDOUT:     %.loc17_11.1: type = value_of_initializer %bool.make_type [template = bool]
    146. 

  146. // CHECK:STDOUT:     %.loc17_11.2: type = converted %bool.make_type, %.loc17_11.1 [template = bool]
    147. 

  147. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    148. 

  148. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    149. 

  149. // CHECK:STDOUT:   }
    150. 

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

  151. // CHECK:STDOUT:     %return.patt: bool = return_slot_pattern
    152. 

  152. // CHECK:STDOUT:     %return.param_patt: bool = out_param_pattern %return.patt, runtime_param0
    153. 

  153. // CHECK:STDOUT:   } {
    154. 

  154. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    155. 

  155. // CHECK:STDOUT:     %.loc18_11.1: type = value_of_initializer %bool.make_type [template = bool]
    156. 

  156. // CHECK:STDOUT:     %.loc18_11.2: type = converted %bool.make_type, %.loc18_11.1 [template = bool]
    157. 

  157. // CHECK:STDOUT:     %return.param: ref bool = out_param runtime_param0
    158. 

  158. // CHECK:STDOUT:     %return: ref bool = return_slot %return.param
    159. 

  159. // CHECK:STDOUT:   }
    160. 

  160. // CHECK:STDOUT:   %While.decl: %While.type = fn_decl @While [template = constants.%While] {} {}
    161. 

  161. // CHECK:STDOUT: }
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: fn @A() -> bool;
    164. 

  164. // CHECK:STDOUT:
    165. 

  165. // CHECK:STDOUT: fn @B() -> bool;
    166. 

  166. // CHECK:STDOUT:
    167. 

  167. // CHECK:STDOUT: fn @C() -> bool;
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: fn @D() -> bool;
    170. 

  170. // CHECK:STDOUT:
    171. 

  171. // CHECK:STDOUT: fn @E() -> bool;
    172. 

  172. // CHECK:STDOUT:
    173. 

  173. // CHECK:STDOUT: fn @F() -> bool;
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: fn @G() -> bool;
    176. 

  176. // CHECK:STDOUT:
    177. 

  177. // CHECK:STDOUT: fn @H() -> bool;
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: fn @While() {
    180. 

  180. // CHECK:STDOUT: !entry:
    181. 

  181. // CHECK:STDOUT:   br !while.cond.loc21
    182. 

  182. // CHECK:STDOUT:
    183. 

  183. // CHECK:STDOUT: !while.cond.loc21:
    184. 

  184. // CHECK:STDOUT:   %A.ref: %A.type = name_ref A, file.%A.decl [template = constants.%A]
    185. 

  185. // CHECK:STDOUT:   %A.call: init bool = call %A.ref()
    186. 

  186. // CHECK:STDOUT:   %.loc21_13.1: bool = value_of_initializer %A.call
    187. 

  187. // CHECK:STDOUT:   %.loc21_13.2: bool = converted %A.call, %.loc21_13.1
    188. 

  188. // CHECK:STDOUT:   if %.loc21_13.2 br !while.body.loc21 else br !while.done.loc21
    189. 

  189. // CHECK:STDOUT:
    190. 

  190. // CHECK:STDOUT: !while.body.loc21:
    191. 

  191. // CHECK:STDOUT:   %B.ref: %B.type = name_ref B, file.%B.decl [template = constants.%B]
    192. 

  192. // CHECK:STDOUT:   %B.call: init bool = call %B.ref()
    193. 

  193. // CHECK:STDOUT:   %.loc22_12.1: bool = value_of_initializer %B.call
    194. 

  194. // CHECK:STDOUT:   %.loc22_12.2: bool = converted %B.call, %.loc22_12.1
    195. 

  195. // CHECK:STDOUT:   if %.loc22_12.2 br !if.then.loc22 else br !if.else.loc22
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: !if.then.loc22:
    198. 

  198. // CHECK:STDOUT:   br !while.cond.loc21
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: !if.else.loc22:
    201. 

  201. // CHECK:STDOUT:   %C.ref: %C.type = name_ref C, file.%C.decl [template = constants.%C]
    202. 

  202. // CHECK:STDOUT:   %C.call: init bool = call %C.ref()
    203. 

  203. // CHECK:STDOUT:   %.loc23_12.1: bool = value_of_initializer %C.call
    204. 

  204. // CHECK:STDOUT:   %.loc23_12.2: bool = converted %C.call, %.loc23_12.1
    205. 

  205. // CHECK:STDOUT:   if %.loc23_12.2 br !if.then.loc23 else br !if.else.loc23
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: !if.then.loc23:
    208. 

  208. // CHECK:STDOUT:   br !while.done.loc21
    209. 

  209. // CHECK:STDOUT:
    210. 

  210. // CHECK:STDOUT: !if.else.loc23:
    211. 

  211. // CHECK:STDOUT:   br !while.cond.loc24
    212. 

  212. // CHECK:STDOUT:
    213. 

  213. // CHECK:STDOUT: !while.cond.loc24:
    214. 

  214. // CHECK:STDOUT:   %D.ref: %D.type = name_ref D, file.%D.decl [template = constants.%D]
    215. 

  215. // CHECK:STDOUT:   %D.call: init bool = call %D.ref()
    216. 

  216. // CHECK:STDOUT:   %.loc24_15.1: bool = value_of_initializer %D.call
    217. 

  217. // CHECK:STDOUT:   %.loc24_15.2: bool = converted %D.call, %.loc24_15.1
    218. 

  218. // CHECK:STDOUT:   if %.loc24_15.2 br !while.body.loc24 else br !while.done.loc24
    219. 

  219. // CHECK:STDOUT:
    220. 

  220. // CHECK:STDOUT: !while.body.loc24:
    221. 

  221. // CHECK:STDOUT:   %E.ref: %E.type = name_ref E, file.%E.decl [template = constants.%E]
    222. 

  222. // CHECK:STDOUT:   %E.call: init bool = call %E.ref()
    223. 

  223. // CHECK:STDOUT:   %.loc25_14.1: bool = value_of_initializer %E.call
    224. 

  224. // CHECK:STDOUT:   %.loc25_14.2: bool = converted %E.call, %.loc25_14.1
    225. 

  225. // CHECK:STDOUT:   if %.loc25_14.2 br !if.then.loc25 else br !if.else.loc25
    226. 

  226. // CHECK:STDOUT:
    227. 

  227. // CHECK:STDOUT: !if.then.loc25:
    228. 

  228. // CHECK:STDOUT:   br !while.cond.loc24
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: !if.else.loc25:
    231. 

  231. // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [template = constants.%F]
    232. 

  232. // CHECK:STDOUT:   %F.call: init bool = call %F.ref()
    233. 

  233. // CHECK:STDOUT:   %.loc26_14.1: bool = value_of_initializer %F.call
    234. 

  234. // CHECK:STDOUT:   %.loc26_14.2: bool = converted %F.call, %.loc26_14.1
    235. 

  235. // CHECK:STDOUT:   if %.loc26_14.2 br !if.then.loc26 else br !if.else.loc26
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT: !if.then.loc26:
    238. 

  238. // CHECK:STDOUT:   br !while.done.loc24
    239. 

  239. // CHECK:STDOUT:
    240. 

  240. // CHECK:STDOUT: !if.else.loc26:
    241. 

  241. // CHECK:STDOUT:   br !while.cond.loc24
    242. 

  242. // CHECK:STDOUT:
    243. 

  243. // CHECK:STDOUT: !while.done.loc24:
    244. 

  244. // CHECK:STDOUT:   %G.ref: %G.type = name_ref G, file.%G.decl [template = constants.%G]
    245. 

  245. // CHECK:STDOUT:   %G.call: init bool = call %G.ref()
    246. 

  246. // CHECK:STDOUT:   %.loc28_12.1: bool = value_of_initializer %G.call
    247. 

  247. // CHECK:STDOUT:   %.loc28_12.2: bool = converted %G.call, %.loc28_12.1
    248. 

  248. // CHECK:STDOUT:   if %.loc28_12.2 br !if.then.loc28 else br !if.else.loc28
    249. 

  249. // CHECK:STDOUT:
    250. 

  250. // CHECK:STDOUT: !if.then.loc28:
    251. 

  251. // CHECK:STDOUT:   br !while.cond.loc21
    252. 

  252. // CHECK:STDOUT:
    253. 

  253. // CHECK:STDOUT: !if.else.loc28:
    254. 

  254. // CHECK:STDOUT:   %H.ref: %H.type = name_ref H, file.%H.decl [template = constants.%H]
    255. 

  255. // CHECK:STDOUT:   %H.call: init bool = call %H.ref()
    256. 

  256. // CHECK:STDOUT:   %.loc29_12.1: bool = value_of_initializer %H.call
    257. 

  257. // CHECK:STDOUT:   %.loc29_12.2: bool = converted %H.call, %.loc29_12.1
    258. 

  258. // CHECK:STDOUT:   if %.loc29_12.2 br !if.then.loc29 else br !if.else.loc29
    259. 

  259. // CHECK:STDOUT:
    260. 

  260. // CHECK:STDOUT: !if.then.loc29:
    261. 

  261. // CHECK:STDOUT:   br !while.done.loc21
    262. 

  262. // CHECK:STDOUT:
    263. 

  263. // CHECK:STDOUT: !if.else.loc29:
    264. 

  264. // CHECK:STDOUT:   br !while.cond.loc21
    265. 

  265. // CHECK:STDOUT:
    266. 

  266. // CHECK:STDOUT: !while.done.loc21:
    267. 

  267. // CHECK:STDOUT:   return
    268. 

  268. // CHECK:STDOUT: }
    269. 

  269. // CHECK:STDOUT:
    270.