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base_field.carbon

base_field.carbon 12 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/int.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/base_field.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/base_field.carbon
    14. 

  14. 

  15. base class Base {
    16. 

  16.   var a: i32;
    17. 

  17.   var b: i32;
    18. 

  18.   var c: i32;
    19. 

  19. }
    20. 

  20. 

  21. class Derived {
    22. 

  22.   extend base: Base;
    23. 

  23. 

  24.   var d: i32;
    25. 

  25.   var e: i32;
    26. 

  26. }
    27. 

  27. 

  28. fn Access(p: Derived*) -> i32* {
    29. 

  29.   return &(*p).c;
    30. 

  30. }
    31. 

  31. 

  32. // CHECK:STDOUT: --- base_field.carbon
    33. 

  33. // CHECK:STDOUT:
    34. 

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

  35. // CHECK:STDOUT:   %Base: type = class_type @Base [concrete]
    36. 

  36. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    37. 

  37. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    38. 

  38. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    39. 

  39. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    40. 

  40. // CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [concrete]
    41. 

  41. // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
    42. 

  42. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    43. 

  43. // CHECK:STDOUT:   %Destroy.impl_witness.ae4: <witness> = impl_witness @Base.%Destroy.impl_witness_table [concrete]
    44. 

  44. // CHECK:STDOUT:   %ptr.11f: type = ptr_type %Base [concrete]
    45. 

  45. // CHECK:STDOUT:   %pattern_type.1b9: type = pattern_type %ptr.11f [concrete]
    46. 

  46. // CHECK:STDOUT:   %Base.as.Destroy.impl.Op.type: type = fn_type @Base.as.Destroy.impl.Op [concrete]
    47. 

  47. // CHECK:STDOUT:   %Base.as.Destroy.impl.Op: %Base.as.Destroy.impl.Op.type = struct_value () [concrete]
    48. 

  48. // CHECK:STDOUT:   %struct_type.a.b.c: type = struct_type {.a: %i32, .b: %i32, .c: %i32} [concrete]
    49. 

  49. // CHECK:STDOUT:   %complete_type.ebc: <witness> = complete_type_witness %struct_type.a.b.c [concrete]
    50. 

  50. // CHECK:STDOUT:   %Derived: type = class_type @Derived [concrete]
    51. 

  51. // CHECK:STDOUT:   %Derived.elem.69e: type = unbound_element_type %Derived, %Base [concrete]
    52. 

  52. // CHECK:STDOUT:   %Derived.elem.344: type = unbound_element_type %Derived, %i32 [concrete]
    53. 

  53. // CHECK:STDOUT:   %Destroy.impl_witness.e52: <witness> = impl_witness @Derived.%Destroy.impl_witness_table [concrete]
    54. 

  54. // CHECK:STDOUT:   %ptr.404: type = ptr_type %Derived [concrete]
    55. 

  55. // CHECK:STDOUT:   %pattern_type.605: type = pattern_type %ptr.404 [concrete]
    56. 

  56. // CHECK:STDOUT:   %Derived.as.Destroy.impl.Op.type: type = fn_type @Derived.as.Destroy.impl.Op [concrete]
    57. 

  57. // CHECK:STDOUT:   %Derived.as.Destroy.impl.Op: %Derived.as.Destroy.impl.Op.type = struct_value () [concrete]
    58. 

  58. // CHECK:STDOUT:   %struct_type.base.d.e.6a7: type = struct_type {.base: %Base, .d: %i32, .e: %i32} [concrete]
    59. 

  59. // CHECK:STDOUT:   %complete_type.401: <witness> = complete_type_witness %struct_type.base.d.e.6a7 [concrete]
    60. 

  60. // CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [concrete]
    61. 

  61. // CHECK:STDOUT:   %pattern_type.fe8: type = pattern_type %ptr.235 [concrete]
    62. 

  62. // CHECK:STDOUT:   %Access.type: type = fn_type @Access [concrete]
    63. 

  63. // CHECK:STDOUT:   %Access: %Access.type = struct_value () [concrete]
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

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

  67. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    68. 

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

  69. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    70. 

  70. // CHECK:STDOUT:     import Core//prelude
    71. 

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

  72. // CHECK:STDOUT:   }
    73. 

  73. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
    74. 

  74. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    75. 

  75. // CHECK:STDOUT: }
    76. 

  76. // CHECK:STDOUT:
    77. 

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

  78. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    79. 

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

  80. // CHECK:STDOUT:     .Base = %Base.decl
    81. 

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

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

  83. // CHECK:STDOUT:   }
    84. 

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

  85. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [concrete = constants.%Base] {} {}
    86. 

  86. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [concrete = constants.%Derived] {} {}
    87. 

  87. // CHECK:STDOUT:   %Access.decl: %Access.type = fn_decl @Access [concrete = constants.%Access] {
    88. 

  88. // CHECK:STDOUT:     %p.patt: %pattern_type.605 = binding_pattern p [concrete]
    89. 

  89. // CHECK:STDOUT:     %p.param_patt: %pattern_type.605 = value_param_pattern %p.patt, call_param0 [concrete]
    90. 

  90. // CHECK:STDOUT:     %return.patt: %pattern_type.fe8 = return_slot_pattern [concrete]
    91. 

  91. // CHECK:STDOUT:     %return.param_patt: %pattern_type.fe8 = out_param_pattern %return.patt, call_param1 [concrete]
    92. 

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

  93. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    94. 

  94. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    95. 

  95. // CHECK:STDOUT:     %ptr.loc28_30: type = ptr_type %i32 [concrete = constants.%ptr.235]
    96. 

  96. // CHECK:STDOUT:     %p.param: %ptr.404 = value_param call_param0
    97. 

  97. // CHECK:STDOUT:     %.loc28: type = splice_block %ptr.loc28_21 [concrete = constants.%ptr.404] {
    98. 

  98. // CHECK:STDOUT:       %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
    99. 

  99. // CHECK:STDOUT:       %ptr.loc28_21: type = ptr_type %Derived.ref [concrete = constants.%ptr.404]
    100. 

  100. // CHECK:STDOUT:     }
    101. 

  101. // CHECK:STDOUT:     %p: %ptr.404 = bind_name p, %p.param
    102. 

  102. // CHECK:STDOUT:     %return.param: ref %ptr.235 = out_param call_param1
    103. 

  103. // CHECK:STDOUT:     %return: ref %ptr.235 = return_slot %return.param
    104. 

  104. // CHECK:STDOUT:   }
    105. 

  105. // CHECK:STDOUT: }
    106. 

  106. // CHECK:STDOUT:
    107. 

  107. // CHECK:STDOUT: impl @Base.as.Destroy.impl: @Base.%Self.ref as constants.%Destroy.type {
    108. 

  108. // CHECK:STDOUT:   %Base.as.Destroy.impl.Op.decl: %Base.as.Destroy.impl.Op.type = fn_decl @Base.as.Destroy.impl.Op [concrete = constants.%Base.as.Destroy.impl.Op] {
    109. 

  109. // CHECK:STDOUT:     %self.patt: %pattern_type.1b9 = binding_pattern self [concrete]
    110. 

  110. // CHECK:STDOUT:     %self.param_patt: %pattern_type.1b9 = value_param_pattern %self.patt, call_param0 [concrete]
    111. 

  111. // CHECK:STDOUT:     %.loc15: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    112. 

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

  113. // CHECK:STDOUT:     %self.param: %ptr.11f = value_param call_param0
    114. 

  114. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Base [concrete = constants.%Base]
    115. 

  115. // CHECK:STDOUT:     %self: %ptr.11f = bind_name self, %self.param
    116. 

  116. // CHECK:STDOUT:   }
    117. 

  117. // CHECK:STDOUT:
    118. 

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

  119. // CHECK:STDOUT:   .Op = %Base.as.Destroy.impl.Op.decl
    120. 

  120. // CHECK:STDOUT:   witness = @Base.%Destroy.impl_witness
    121. 

  121. // CHECK:STDOUT: }
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT: impl @Derived.as.Destroy.impl: @Derived.%Self.ref as constants.%Destroy.type {
    124. 

  124. // CHECK:STDOUT:   %Derived.as.Destroy.impl.Op.decl: %Derived.as.Destroy.impl.Op.type = fn_decl @Derived.as.Destroy.impl.Op [concrete = constants.%Derived.as.Destroy.impl.Op] {
    125. 

  125. // CHECK:STDOUT:     %self.patt: %pattern_type.605 = binding_pattern self [concrete]
    126. 

  126. // CHECK:STDOUT:     %self.param_patt: %pattern_type.605 = value_param_pattern %self.patt, call_param0 [concrete]
    127. 

  127. // CHECK:STDOUT:     %.loc21: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    128. 

  128. // CHECK:STDOUT:   } {
    129. 

  129. // CHECK:STDOUT:     %self.param: %ptr.404 = value_param call_param0
    130. 

  130. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%Derived [concrete = constants.%Derived]
    131. 

  131. // CHECK:STDOUT:     %self: %ptr.404 = bind_name self, %self.param
    132. 

  132. // CHECK:STDOUT:   }
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: !members:
    135. 

  135. // CHECK:STDOUT:   .Op = %Derived.as.Destroy.impl.Op.decl
    136. 

  136. // CHECK:STDOUT:   witness = @Derived.%Destroy.impl_witness
    137. 

  137. // CHECK:STDOUT: }
    138. 

  138. // CHECK:STDOUT:
    139. 

  139. // CHECK:STDOUT: class @Base {
    140. 

  140. // CHECK:STDOUT:   %int_32.loc16: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    141. 

  141. // CHECK:STDOUT:   %i32.loc16: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    142. 

  142. // CHECK:STDOUT:   %.loc16: %Base.elem = field_decl a, element0 [concrete]
    143. 

  143. // CHECK:STDOUT:   %int_32.loc17: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    144. 

  144. // CHECK:STDOUT:   %i32.loc17: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    145. 

  145. // CHECK:STDOUT:   %.loc17: %Base.elem = field_decl b, element1 [concrete]
    146. 

  146. // CHECK:STDOUT:   %int_32.loc18: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    147. 

  147. // CHECK:STDOUT:   %i32.loc18: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    148. 

  148. // CHECK:STDOUT:   %.loc18: %Base.elem = field_decl c, element2 [concrete]
    149. 

  149. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Base [concrete = constants.%Base]
    150. 

  150. // CHECK:STDOUT:   impl_decl @Base.as.Destroy.impl [concrete] {} {}
    151. 

  151. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@Base.as.Destroy.impl.%Base.as.Destroy.impl.Op.decl), @Base.as.Destroy.impl [concrete]
    152. 

  152. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness.ae4]
    153. 

  153. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b.c [concrete = constants.%complete_type.ebc]
    154. 

  154. // CHECK:STDOUT:   complete_type_witness = %complete_type
    155. 

  155. // CHECK:STDOUT:
    156. 

  156. // CHECK:STDOUT: !members:
    157. 

  157. // CHECK:STDOUT:   .Self = constants.%Base
    158. 

  158. // CHECK:STDOUT:   .a = %.loc16
    159. 

  159. // CHECK:STDOUT:   .b = %.loc17
    160. 

  160. // CHECK:STDOUT:   .c = %.loc18
    161. 

  161. // CHECK:STDOUT: }
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: class @Derived {
    164. 

  164. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [concrete = constants.%Base]
    165. 

  165. // CHECK:STDOUT:   %.loc22: %Derived.elem.69e = base_decl %Base.ref, element0 [concrete]
    166. 

  166. // CHECK:STDOUT:   %int_32.loc24: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    167. 

  167. // CHECK:STDOUT:   %i32.loc24: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    168. 

  168. // CHECK:STDOUT:   %.loc24: %Derived.elem.344 = field_decl d, element1 [concrete]
    169. 

  169. // CHECK:STDOUT:   %int_32.loc25: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    170. 

  170. // CHECK:STDOUT:   %i32.loc25: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    171. 

  171. // CHECK:STDOUT:   %.loc25: %Derived.elem.344 = field_decl e, element2 [concrete]
    172. 

  172. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Derived [concrete = constants.%Derived]
    173. 

  173. // CHECK:STDOUT:   impl_decl @Derived.as.Destroy.impl [concrete] {} {}
    174. 

  174. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@Derived.as.Destroy.impl.%Derived.as.Destroy.impl.Op.decl), @Derived.as.Destroy.impl [concrete]
    175. 

  175. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness.e52]
    176. 

  176. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.base.d.e.6a7 [concrete = constants.%complete_type.401]
    177. 

  177. // CHECK:STDOUT:   complete_type_witness = %complete_type
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: !members:
    180. 

  180. // CHECK:STDOUT:   .Self = constants.%Derived
    181. 

  181. // CHECK:STDOUT:   .Base = <poisoned>
    182. 

  182. // CHECK:STDOUT:   .base = %.loc22
    183. 

  183. // CHECK:STDOUT:   .d = %.loc24
    184. 

  184. // CHECK:STDOUT:   .e = %.loc25
    185. 

  185. // CHECK:STDOUT:   .c = <poisoned>
    186. 

  186. // CHECK:STDOUT:   extend %Base.ref
    187. 

  187. // CHECK:STDOUT: }
    188. 

  188. // CHECK:STDOUT:
    189. 

  189. // CHECK:STDOUT: fn @Base.as.Destroy.impl.Op(%self.param: %ptr.11f) = "no_op";
    190. 

  190. // CHECK:STDOUT:
    191. 

  191. // CHECK:STDOUT: fn @Derived.as.Destroy.impl.Op(%self.param: %ptr.404) = "no_op";
    192. 

  192. // CHECK:STDOUT:
    193. 

  193. // CHECK:STDOUT: fn @Access(%p.param: %ptr.404) -> %ptr.235 {
    194. 

  194. // CHECK:STDOUT: !entry:
    195. 

  195. // CHECK:STDOUT:   %p.ref: %ptr.404 = name_ref p, %p
    196. 

  196. // CHECK:STDOUT:   %.loc29_12: ref %Derived = deref %p.ref
    197. 

  197. // CHECK:STDOUT:   %c.ref: %Base.elem = name_ref c, @Base.%.loc18 [concrete = @Base.%.loc18]
    198. 

  198. // CHECK:STDOUT:   %.loc29_15.1: ref %Base = class_element_access %.loc29_12, element0
    199. 

  199. // CHECK:STDOUT:   %.loc29_15.2: ref %Base = converted %.loc29_12, %.loc29_15.1
    200. 

  200. // CHECK:STDOUT:   %.loc29_15.3: ref %i32 = class_element_access %.loc29_15.2, element2
    201. 

  201. // CHECK:STDOUT:   %addr: %ptr.235 = addr_of %.loc29_15.3
    202. 

  202. // CHECK:STDOUT:   return %addr
    203. 

  203. // CHECK:STDOUT: }
    204. 

  204. // CHECK:STDOUT:
    205.