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import_struct_cyle.carbon

import_struct_cyle.carbon 10 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
    6. 

  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    7. 

  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    8. 

  8. //
    9. 

  9. // AUTOUPDATE
    10. 

  10. // TIP: To test this file alone, run:
    11. 

  11. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/import_struct_cyle.carbon
    12. 

  12. // TIP: To dump output, run:
    13. 

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/import_struct_cyle.carbon
    14. 

  14. 

  15. // --- a.carbon
    16. 

  16. 

  17. library "[[@TEST_NAME]]";
    18. 

  18. 

  19. class Cycle;
    20. 

  20. 

  21. var a: {.b: Cycle*};
    22. 

  22. 

  23. class Cycle {
    24. 

  24.   // The type here is equivalent to the `a` above, but on import can be resolved first.
    25. 

  25.   var c: {.b: Cycle*};
    26. 

  26. }
    27. 

  27. 

  28. // --- b.carbon
    29. 

  29. 

  30. library "[[@TEST_NAME]]";
    31. 

  31. 

  32. import library "a";
    33. 

  33. 

  34. fn Run() {
    35. 

  35.   a.b = (*a.b).c.b;
    36. 

  36. }
    37. 

  37. 

  38. // CHECK:STDOUT: --- a.carbon
    39. 

  39. // CHECK:STDOUT:
    40. 

  40. // CHECK:STDOUT: constants {
    41. 

  41. // CHECK:STDOUT:   %Cycle: type = class_type @Cycle [concrete]
    42. 

  42. // CHECK:STDOUT:   %ptr: type = ptr_type %Cycle [concrete]
    43. 

  43. // CHECK:STDOUT:   %struct_type.b: type = struct_type {.b: %ptr} [concrete]
    44. 

  44. // CHECK:STDOUT:   %pattern_type: type = pattern_type %struct_type.b [concrete]
    45. 

  45. // CHECK:STDOUT:   %Cycle.elem: type = unbound_element_type %Cycle, %struct_type.b [concrete]
    46. 

  46. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %struct_type.b} [concrete]
    47. 

  47. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.c [concrete]
    48. 

  48. // CHECK:STDOUT: }
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: imports {
    51. 

  51. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    52. 

  52. // CHECK:STDOUT:     import Core//prelude
    53. 

  53. // CHECK:STDOUT:     import Core//prelude/...
    54. 

  54. // CHECK:STDOUT:   }
    55. 

  55. // CHECK:STDOUT: }
    56. 

  56. // CHECK:STDOUT:
    57. 

  57. // CHECK:STDOUT: file {
    58. 

  58. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    59. 

  59. // CHECK:STDOUT:     .Core = imports.%Core
    60. 

  60. // CHECK:STDOUT:     .Cycle = %Cycle.decl.loc4
    61. 

  61. // CHECK:STDOUT:     .a = %a
    62. 

  62. // CHECK:STDOUT:   }
    63. 

  63. // CHECK:STDOUT:   %Core.import = import Core
    64. 

  64. // CHECK:STDOUT:   %Cycle.decl.loc4: type = class_decl @Cycle [concrete = constants.%Cycle] {} {}
    65. 

  65. // CHECK:STDOUT:   name_binding_decl {
    66. 

  66. // CHECK:STDOUT:     %a.patt: %pattern_type = binding_pattern a [concrete]
    67. 

  67. // CHECK:STDOUT:     %a.var_patt: %pattern_type = var_pattern %a.patt [concrete]
    68. 

  68. // CHECK:STDOUT:   }
    69. 

  69. // CHECK:STDOUT:   %a.var: ref %struct_type.b = var %a.var_patt [concrete]
    70. 

  70. // CHECK:STDOUT:   %.loc6: type = splice_block %struct_type.b [concrete = constants.%struct_type.b] {
    71. 

  71. // CHECK:STDOUT:     %Cycle.ref: type = name_ref Cycle, %Cycle.decl.loc4 [concrete = constants.%Cycle]
    72. 

  72. // CHECK:STDOUT:     %ptr: type = ptr_type %Cycle.ref [concrete = constants.%ptr]
    73. 

  73. // CHECK:STDOUT:     %struct_type.b: type = struct_type {.b: %ptr} [concrete = constants.%struct_type.b]
    74. 

  74. // CHECK:STDOUT:   }
    75. 

  75. // CHECK:STDOUT:   %a: ref %struct_type.b = bind_name a, %a.var [concrete = %a.var]
    76. 

  76. // CHECK:STDOUT:   %Cycle.decl.loc8: type = class_decl @Cycle [concrete = constants.%Cycle] {} {}
    77. 

  77. // CHECK:STDOUT: }
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: class @Cycle {
    80. 

  80. // CHECK:STDOUT:   %Cycle.ref: type = name_ref Cycle, file.%Cycle.decl.loc4 [concrete = constants.%Cycle]
    81. 

  81. // CHECK:STDOUT:   %ptr: type = ptr_type %Cycle.ref [concrete = constants.%ptr]
    82. 

  82. // CHECK:STDOUT:   %struct_type.b: type = struct_type {.b: %ptr} [concrete = constants.%struct_type.b]
    83. 

  83. // CHECK:STDOUT:   %.loc10: %Cycle.elem = field_decl c, element0 [concrete]
    84. 

  84. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.c [concrete = constants.%complete_type]
    85. 

  85. // CHECK:STDOUT:   complete_type_witness = %complete_type
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: !members:
    88. 

  88. // CHECK:STDOUT:   .Self = constants.%Cycle
    89. 

  89. // CHECK:STDOUT:   .Cycle = <poisoned>
    90. 

  90. // CHECK:STDOUT:   .c = %.loc10
    91. 

  91. // CHECK:STDOUT: }
    92. 

  92. // CHECK:STDOUT:
    93. 

  93. // CHECK:STDOUT: --- b.carbon
    94. 

  94. // CHECK:STDOUT:
    95. 

  95. // CHECK:STDOUT: constants {
    96. 

  96. // CHECK:STDOUT:   %Run.type: type = fn_type @Run [concrete]
    97. 

  97. // CHECK:STDOUT:   %Run: %Run.type = struct_value () [concrete]
    98. 

  98. // CHECK:STDOUT:   %Cycle: type = class_type @Cycle [concrete]
    99. 

  99. // CHECK:STDOUT:   %ptr.257: type = ptr_type %Cycle [concrete]
    100. 

  100. // CHECK:STDOUT:   %struct_type.b: type = struct_type {.b: %ptr.257} [concrete]
    101. 

  101. // CHECK:STDOUT:   %struct_type.c: type = struct_type {.c: %struct_type.b} [concrete]
    102. 

  102. // CHECK:STDOUT:   %complete_type.e1c: <witness> = complete_type_witness %struct_type.c [concrete]
    103. 

  103. // CHECK:STDOUT:   %pattern_type.afd: type = pattern_type %struct_type.b [concrete]
    104. 

  104. // CHECK:STDOUT:   %.46a: ref %ptr.257 = struct_access imports.%a.var, element0 [concrete]
    105. 

  105. // CHECK:STDOUT:   %Cycle.elem: type = unbound_element_type %Cycle, %struct_type.b [concrete]
    106. 

  106. // CHECK:STDOUT:   %Copy.type: type = facet_type <@Copy> [concrete]
    107. 

  107. // CHECK:STDOUT:   %Copy.Op.type: type = fn_type @Copy.Op [concrete]
    108. 

  108. // CHECK:STDOUT:   %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
    109. 

  109. // CHECK:STDOUT:   %ptr.as.Copy.impl.Op.type.31f: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.8b3) [symbolic]
    110. 

  110. // CHECK:STDOUT:   %ptr.as.Copy.impl.Op.8a8: %ptr.as.Copy.impl.Op.type.31f = struct_value () [symbolic]
    111. 

  111. // CHECK:STDOUT:   %Copy.impl_witness.d0a: <witness> = impl_witness imports.%Copy.impl_witness_table.53c, @ptr.as.Copy.impl(%Cycle) [concrete]
    112. 

  112. // CHECK:STDOUT:   %ptr.as.Copy.impl.Op.type.55f: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%Cycle) [concrete]
    113. 

  113. // CHECK:STDOUT:   %ptr.as.Copy.impl.Op.c22: %ptr.as.Copy.impl.Op.type.55f = struct_value () [concrete]
    114. 

  114. // CHECK:STDOUT:   %Copy.facet: %Copy.type = facet_value %ptr.257, (%Copy.impl_witness.d0a) [concrete]
    115. 

  115. // CHECK:STDOUT:   %.e8f: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
    116. 

  116. // CHECK:STDOUT:   %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.c22, @ptr.as.Copy.impl.Op(%Cycle) [concrete]
    117. 

  117. // CHECK:STDOUT: }
    118. 

  118. // CHECK:STDOUT:
    119. 

  119. // CHECK:STDOUT: imports {
    120. 

  120. // CHECK:STDOUT:   %Main.Cycle = import_ref Main//a, Cycle, unloaded
    121. 

  121. // CHECK:STDOUT:   %Main.a: ref %struct_type.b = import_ref Main//a, a, loaded [concrete = %a.var]
    122. 

  122. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    123. 

  123. // CHECK:STDOUT:     .Copy = %Core.Copy
    124. 

  124. // CHECK:STDOUT:     import Core//prelude
    125. 

  125. // CHECK:STDOUT:     import Core//prelude/...
    126. 

  126. // CHECK:STDOUT:   }
    127. 

  127. // CHECK:STDOUT:   %Main.import_ref.b93: <witness> = import_ref Main//a, loc11_1, loaded [concrete = constants.%complete_type.e1c]
    128. 

  128. // CHECK:STDOUT:   %Main.import_ref.3a6 = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], unloaded
    129. 

  129. // CHECK:STDOUT:   %Main.import_ref.455: %Cycle.elem = import_ref Main//a, loc10_8, loaded [concrete = %.354]
    130. 

  130. // CHECK:STDOUT:   %a.patt: %pattern_type.afd = binding_pattern a [concrete]
    131. 

  131. // CHECK:STDOUT:   %a.var_patt: %pattern_type.afd = var_pattern %a.patt [concrete]
    132. 

  132. // CHECK:STDOUT:   %a.var: ref %struct_type.b = var %a.var_patt [concrete]
    133. 

  133. // CHECK:STDOUT:   %.354: %Cycle.elem = field_decl c, element0 [concrete]
    134. 

  134. // CHECK:STDOUT:   %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
    135. 

  135. // CHECK:STDOUT:   %Core.import_ref.0e4: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.31f) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.8a8)]
    136. 

  136. // CHECK:STDOUT:   %Copy.impl_witness_table.53c = impl_witness_table (%Core.import_ref.0e4), @ptr.as.Copy.impl [concrete]
    137. 

  137. // CHECK:STDOUT: }
    138. 

  138. // CHECK:STDOUT:
    139. 

  139. // CHECK:STDOUT: file {
    140. 

  140. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    141. 

  141. // CHECK:STDOUT:     .Cycle = imports.%Main.Cycle
    142. 

  142. // CHECK:STDOUT:     .a = imports.%Main.a
    143. 

  143. // CHECK:STDOUT:     .Core = imports.%Core
    144. 

  144. // CHECK:STDOUT:     .Run = %Run.decl
    145. 

  145. // CHECK:STDOUT:   }
    146. 

  146. // CHECK:STDOUT:   %Core.import = import Core
    147. 

  147. // CHECK:STDOUT:   %default.import = import <none>
    148. 

  148. // CHECK:STDOUT:   %Run.decl: %Run.type = fn_decl @Run [concrete = constants.%Run] {} {}
    149. 

  149. // CHECK:STDOUT: }
    150. 

  150. // CHECK:STDOUT:
    151. 

  151. // CHECK:STDOUT: class @Cycle [from "a.carbon"] {
    152. 

  152. // CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.b93
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: !members:
    155. 

  155. // CHECK:STDOUT:   .Self = imports.%Main.import_ref.3a6
    156. 

  156. // CHECK:STDOUT:   .c = imports.%Main.import_ref.455
    157. 

  157. // CHECK:STDOUT: }
    158. 

  158. // CHECK:STDOUT:
    159. 

  159. // CHECK:STDOUT: fn @Run() {
    160. 

  160. // CHECK:STDOUT: !entry:
    161. 

  161. // CHECK:STDOUT:   %a.ref.loc7_3: ref %struct_type.b = name_ref a, imports.%Main.a [concrete = imports.%a.var]
    162. 

  162. // CHECK:STDOUT:   %.loc7_4: ref %ptr.257 = struct_access %a.ref.loc7_3, element0 [concrete = constants.%.46a]
    163. 

  163. // CHECK:STDOUT:   %a.ref.loc7_11: ref %struct_type.b = name_ref a, imports.%Main.a [concrete = imports.%a.var]
    164. 

  164. // CHECK:STDOUT:   %.loc7_12.1: ref %ptr.257 = struct_access %a.ref.loc7_11, element0 [concrete = constants.%.46a]
    165. 

  165. // CHECK:STDOUT:   %.loc7_12.2: %ptr.257 = bind_value %.loc7_12.1
    166. 

  166. // CHECK:STDOUT:   %.loc7_10: ref %Cycle = deref %.loc7_12.2
    167. 

  167. // CHECK:STDOUT:   %c.ref: %Cycle.elem = name_ref c, imports.%Main.import_ref.455 [concrete = imports.%.354]
    168. 

  168. // CHECK:STDOUT:   %.loc7_15: ref %struct_type.b = class_element_access %.loc7_10, element0
    169. 

  169. // CHECK:STDOUT:   %.loc7_17.1: ref %ptr.257 = struct_access %.loc7_15, element0
    170. 

  170. // CHECK:STDOUT:   %.loc7_17.2: %ptr.257 = bind_value %.loc7_17.1
    171. 

  171. // CHECK:STDOUT:   %impl.elem0: %.e8f = impl_witness_access constants.%Copy.impl_witness.d0a, element0 [concrete = constants.%ptr.as.Copy.impl.Op.c22]
    172. 

  172. // CHECK:STDOUT:   %bound_method.loc7_17.1: <bound method> = bound_method %.loc7_17.2, %impl.elem0
    173. 

  173. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @ptr.as.Copy.impl.Op(constants.%Cycle) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
    174. 

  174. // CHECK:STDOUT:   %bound_method.loc7_17.2: <bound method> = bound_method %.loc7_17.2, %specific_fn
    175. 

  175. // CHECK:STDOUT:   %ptr.as.Copy.impl.Op.call: init %ptr.257 = call %bound_method.loc7_17.2(%.loc7_17.2)
    176. 

  176. // CHECK:STDOUT:   assign %.loc7_4, %ptr.as.Copy.impl.Op.call
    177. 

  177. // CHECK:STDOUT:   return
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180.