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base_field.carbon

base_field.carbon 7.2 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/class/base_field.carbon
    8. 

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

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

  10. 

  11. base class Base {
    12. 

  12.   var a: i32;
    13. 

  13.   var b: i32;
    14. 

  14.   var c: i32;
    15. 

  15. }
    16. 

  16. 

  17. class Derived {
    18. 

  18.   extend base: Base;
    19. 

  19. 

  20.   var d: i32;
    21. 

  21.   var e: i32;
    22. 

  22. }
    23. 

  23. 

  24. fn Access(p: Derived*) -> i32* {
    25. 

  25.   return &(*p).c;
    26. 

  26. }
    27. 

  27. 

  28. // CHECK:STDOUT: --- base_field.carbon
    29. 

  29. // CHECK:STDOUT:
    30. 

  30. // CHECK:STDOUT: constants {
    31. 

  31. // CHECK:STDOUT:   %Base: type = class_type @Base [template]
    32. 

  32. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    33. 

  33. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    34. 

  34. // CHECK:STDOUT:   %Base.elem: type = unbound_element_type %Base, %i32 [template]
    35. 

  35. // CHECK:STDOUT:   %struct_type.a.b.c: type = struct_type {.a: %i32, .b: %i32, .c: %i32} [template]
    36. 

  36. // CHECK:STDOUT:   %complete_type.ebc: <witness> = complete_type_witness %struct_type.a.b.c [template]
    37. 

  37. // CHECK:STDOUT:   %Derived: type = class_type @Derived [template]
    38. 

  38. // CHECK:STDOUT:   %Derived.elem.69e: type = unbound_element_type %Derived, %Base [template]
    39. 

  39. // CHECK:STDOUT:   %Derived.elem.344: type = unbound_element_type %Derived, %i32 [template]
    40. 

  40. // CHECK:STDOUT:   %struct_type.base.d.e.6a7: type = struct_type {.base: %Base, .d: %i32, .e: %i32} [template]
    41. 

  41. // CHECK:STDOUT:   %complete_type.401: <witness> = complete_type_witness %struct_type.base.d.e.6a7 [template]
    42. 

  42. // CHECK:STDOUT:   %ptr.404: type = ptr_type %Derived [template]
    43. 

  43. // CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [template]
    44. 

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

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

  46. // CHECK:STDOUT: }
    47. 

  47. // CHECK:STDOUT:
    48. 

  48. // CHECK:STDOUT: imports {
    49. 

  49. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    50. 

  50. // CHECK:STDOUT:     .Int = %Core.Int
    51. 

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

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

  53. // CHECK:STDOUT:   }
    54. 

  54. // CHECK:STDOUT: }
    55. 

  55. // CHECK:STDOUT:
    56. 

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

  57. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    58. 

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

  59. // CHECK:STDOUT:     .Base = %Base.decl
    60. 

  60. // CHECK:STDOUT:     .Derived = %Derived.decl
    61. 

  61. // CHECK:STDOUT:     .Access = %Access.decl
    62. 

  62. // CHECK:STDOUT:   }
    63. 

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

  64. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {} {}
    65. 

  65. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {} {}
    66. 

  66. // CHECK:STDOUT:   %Access.decl: %Access.type = fn_decl @Access [template = constants.%Access] {
    67. 

  67. // CHECK:STDOUT:     %p.patt: %ptr.404 = binding_pattern p
    68. 

  68. // CHECK:STDOUT:     %p.param_patt: %ptr.404 = value_param_pattern %p.patt, runtime_param0
    69. 

  69. // CHECK:STDOUT:     %return.patt: %ptr.235 = return_slot_pattern
    70. 

  70. // CHECK:STDOUT:     %return.param_patt: %ptr.235 = out_param_pattern %return.patt, runtime_param1
    71. 

  71. // CHECK:STDOUT:   } {
    72. 

  72. // CHECK:STDOUT:     %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    73. 

  73. // CHECK:STDOUT:     %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    74. 

  74. // CHECK:STDOUT:     %ptr.loc24_30: type = ptr_type %i32 [template = constants.%ptr.235]
    75. 

  75. // CHECK:STDOUT:     %p.param: %ptr.404 = value_param runtime_param0
    76. 

  76. // CHECK:STDOUT:     %.loc24: type = splice_block %ptr.loc24_21 [template = constants.%ptr.404] {
    77. 

  77. // CHECK:STDOUT:       %Derived.ref: type = name_ref Derived, file.%Derived.decl [template = constants.%Derived]
    78. 

  78. // CHECK:STDOUT:       %ptr.loc24_21: type = ptr_type %Derived [template = constants.%ptr.404]
    79. 

  79. // CHECK:STDOUT:     }
    80. 

  80. // CHECK:STDOUT:     %p: %ptr.404 = bind_name p, %p.param
    81. 

  81. // CHECK:STDOUT:     %return.param: ref %ptr.235 = out_param runtime_param1
    82. 

  82. // CHECK:STDOUT:     %return: ref %ptr.235 = return_slot %return.param
    83. 

  83. // CHECK:STDOUT:   }
    84. 

  84. // CHECK:STDOUT: }
    85. 

  85. // CHECK:STDOUT:
    86. 

  86. // CHECK:STDOUT: class @Base {
    87. 

  87. // CHECK:STDOUT:   %.loc12_8: %Base.elem = field_decl a, element0 [template]
    88. 

  88. // CHECK:STDOUT:   name_binding_decl {
    89. 

  89. // CHECK:STDOUT:     %.loc12_3: %Base.elem = var_pattern %.loc12_8
    90. 

  90. // CHECK:STDOUT:   }
    91. 

  91. // CHECK:STDOUT:   %.var.loc12: ref %Base.elem = var <none>
    92. 

  92. // CHECK:STDOUT:   %.loc13_8: %Base.elem = field_decl b, element1 [template]
    93. 

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

  94. // CHECK:STDOUT:     %.loc13_3: %Base.elem = var_pattern %.loc13_8
    95. 

  95. // CHECK:STDOUT:   }
    96. 

  96. // CHECK:STDOUT:   %.var.loc13: ref %Base.elem = var <none>
    97. 

  97. // CHECK:STDOUT:   %.loc14_8: %Base.elem = field_decl c, element2 [template]
    98. 

  98. // CHECK:STDOUT:   name_binding_decl {
    99. 

  99. // CHECK:STDOUT:     %.loc14_3: %Base.elem = var_pattern %.loc14_8
    100. 

  100. // CHECK:STDOUT:   }
    101. 

  101. // CHECK:STDOUT:   %.var.loc14: ref %Base.elem = var <none>
    102. 

  102. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.a.b.c [template = constants.%complete_type.ebc]
    103. 

  103. // CHECK:STDOUT:   complete_type_witness = %complete_type
    104. 

  104. // CHECK:STDOUT:
    105. 

  105. // CHECK:STDOUT: !members:
    106. 

  106. // CHECK:STDOUT:   .Self = constants.%Base
    107. 

  107. // CHECK:STDOUT:   .a = %.loc12_8
    108. 

  108. // CHECK:STDOUT:   .b = %.loc13_8
    109. 

  109. // CHECK:STDOUT:   .c = %.loc14_8
    110. 

  110. // CHECK:STDOUT: }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: class @Derived {
    113. 

  113. // CHECK:STDOUT:   %Base.ref: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    114. 

  114. // CHECK:STDOUT:   %.loc18: %Derived.elem.69e = base_decl %Base.ref, element0 [template]
    115. 

  115. // CHECK:STDOUT:   %.loc20_8: %Derived.elem.344 = field_decl d, element1 [template]
    116. 

  116. // CHECK:STDOUT:   name_binding_decl {
    117. 

  117. // CHECK:STDOUT:     %.loc20_3: %Derived.elem.344 = var_pattern %.loc20_8
    118. 

  118. // CHECK:STDOUT:   }
    119. 

  119. // CHECK:STDOUT:   %.var.loc20: ref %Derived.elem.344 = var <none>
    120. 

  120. // CHECK:STDOUT:   %.loc21_8: %Derived.elem.344 = field_decl e, element2 [template]
    121. 

  121. // CHECK:STDOUT:   name_binding_decl {
    122. 

  122. // CHECK:STDOUT:     %.loc21_3: %Derived.elem.344 = var_pattern %.loc21_8
    123. 

  123. // CHECK:STDOUT:   }
    124. 

  124. // CHECK:STDOUT:   %.var.loc21: ref %Derived.elem.344 = var <none>
    125. 

  125. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.base.d.e.6a7 [template = constants.%complete_type.401]
    126. 

  126. // CHECK:STDOUT:   complete_type_witness = %complete_type
    127. 

  127. // CHECK:STDOUT:
    128. 

  128. // CHECK:STDOUT: !members:
    129. 

  129. // CHECK:STDOUT:   .Self = constants.%Derived
    130. 

  130. // CHECK:STDOUT:   .base = %.loc18
    131. 

  131. // CHECK:STDOUT:   .d = %.loc20_8
    132. 

  132. // CHECK:STDOUT:   .e = %.loc21_8
    133. 

  133. // CHECK:STDOUT:   extend %Base.ref
    134. 

  134. // CHECK:STDOUT: }
    135. 

  135. // CHECK:STDOUT:
    136. 

  136. // CHECK:STDOUT: fn @Access(%p.param_patt: %ptr.404) -> %ptr.235 {
    137. 

  137. // CHECK:STDOUT: !entry:
    138. 

  138. // CHECK:STDOUT:   %p.ref: %ptr.404 = name_ref p, %p
    139. 

  139. // CHECK:STDOUT:   %.loc25_12: ref %Derived = deref %p.ref
    140. 

  140. // CHECK:STDOUT:   %c.ref: %Base.elem = name_ref c, @Base.%.loc14_8 [template = @Base.%.loc14_8]
    141. 

  141. // CHECK:STDOUT:   %.loc25_15.1: ref %Base = class_element_access %.loc25_12, element0
    142. 

  142. // CHECK:STDOUT:   %.loc25_15.2: ref %Base = converted %.loc25_12, %.loc25_15.1
    143. 

  143. // CHECK:STDOUT:   %.loc25_15.3: ref %i32 = class_element_access %.loc25_15.2, element2
    144. 

  144. // CHECK:STDOUT:   %addr: %ptr.235 = addr_of %.loc25_15.3
    145. 

  145. // CHECK:STDOUT:   return %addr
    146. 

  146. // CHECK:STDOUT: }
    147. 

  147. // CHECK:STDOUT:
    148.