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toolchain
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nested.carbon

nested.carbon 7.3 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. 

  7. class Outer {
    8. 

  8.   class Inner {
    9. 

  9.     var pi: Self*;
    10. 

  10.     var po: Outer*;
    11. 

  11.     var qi: Inner*;
    12. 

  12.   }
    13. 

  13. 

  14.   var po: Self*;
    15. 

  15.   var qo: Outer*;
    16. 

  16.   var pi: Inner*;
    17. 

  17. }
    18. 

  18. 

  19. fn F(a: Outer*) {
    20. 

  20.   // TODO: Simplify this once `Outer.Inner` works.
    21. 

  21.   // let b: Outer.Inner* = (*a).pi;
    22. 

  22. 

  23.   (*a).po = a;
    24. 

  24.   (*a).qo = a;
    25. 

  25.   (*a).pi = (*a).pi;
    26. 

  26.   (*(*a).pi).po = a;
    27. 

  27.   (*(*a).pi).pi = (*a).pi;
    28. 

  28.   (*(*a).pi).qi = (*a).pi;
    29. 

  29. }
    30. 

  30. 

  31. // CHECK:STDOUT: --- nested.carbon
    32. 

  32. // CHECK:STDOUT:
    33. 

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

  34. // CHECK:STDOUT:   %Outer: type = class_type @Outer [template]
    35. 

  35. // CHECK:STDOUT:   %Inner: type = class_type @Inner [template]
    36. 

  36. // CHECK:STDOUT:   %.1: type = ptr_type Inner [template]
    37. 

  37. // CHECK:STDOUT:   %.2: type = unbound_element_type Inner, Inner* [template]
    38. 

  38. // CHECK:STDOUT:   %.3: type = ptr_type Outer [template]
    39. 

  39. // CHECK:STDOUT:   %.4: type = unbound_element_type Inner, Outer* [template]
    40. 

  40. // CHECK:STDOUT:   %.5: type = struct_type {.pi: Inner*, .po: Outer*, .qi: Inner*} [template]
    41. 

  41. // CHECK:STDOUT:   %.6: type = unbound_element_type Outer, Outer* [template]
    42. 

  42. // CHECK:STDOUT:   %.7: type = unbound_element_type Outer, Inner* [template]
    43. 

  43. // CHECK:STDOUT:   %.8: type = struct_type {.po: Outer*, .qo: Outer*, .pi: Inner*} [template]
    44. 

  44. // CHECK:STDOUT:   %.9: type = ptr_type {.po: Outer*, .qo: Outer*, .pi: Inner*} [template]
    45. 

  45. // CHECK:STDOUT:   %.10: type = ptr_type {.pi: Inner*, .po: Outer*, .qi: Inner*} [template]
    46. 

  46. // CHECK:STDOUT: }
    47. 

  47. // CHECK:STDOUT:
    48. 

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

  49. // CHECK:STDOUT:   package: <namespace> = namespace {.Outer = %Outer.decl, .F = %F} [template]
    50. 

  50. // CHECK:STDOUT:   %Outer.decl = class_decl @Outer, ()
    51. 

  51. // CHECK:STDOUT:   %F: <function> = fn_decl @F [template]
    52. 

  52. // CHECK:STDOUT: }
    53. 

  53. // CHECK:STDOUT:
    54. 

  54. // CHECK:STDOUT: class @Outer {
    55. 

  55. // CHECK:STDOUT:   %Inner.decl = class_decl @Inner, ()
    56. 

  56. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Outer [template = constants.%Outer]
    57. 

  57. // CHECK:STDOUT:   %.loc14_15: type = ptr_type Outer [template = constants.%.3]
    58. 

  58. // CHECK:STDOUT:   %.loc14_9: <unbound element of class Outer> = field_decl po, element0 [template]
    59. 

  59. // CHECK:STDOUT:   %Outer.ref: type = name_ref Outer, constants.%Outer [template = constants.%Outer]
    60. 

  60. // CHECK:STDOUT:   %.loc15_16: type = ptr_type Outer [template = constants.%.3]
    61. 

  61. // CHECK:STDOUT:   %.loc15_9: <unbound element of class Outer> = field_decl qo, element1 [template]
    62. 

  62. // CHECK:STDOUT:   %Inner.ref: type = name_ref Inner, constants.%Inner [template = constants.%Inner]
    63. 

  63. // CHECK:STDOUT:   %.loc16_16: type = ptr_type Inner [template = constants.%.1]
    64. 

  64. // CHECK:STDOUT:   %.loc16_9: <unbound element of class Outer> = field_decl pi, element2 [template]
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: !members:
    67. 

  67. // CHECK:STDOUT:   .Inner = %Inner.decl
    68. 

  68. // CHECK:STDOUT:   .po = %.loc14_9
    69. 

  69. // CHECK:STDOUT:   .qo = %.loc15_9
    70. 

  70. // CHECK:STDOUT:   .pi = %.loc16_9
    71. 

  71. // CHECK:STDOUT: }
    72. 

  72. // CHECK:STDOUT:
    73. 

  73. // CHECK:STDOUT: class @Inner {
    74. 

  74. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%Inner [template = constants.%Inner]
    75. 

  75. // CHECK:STDOUT:   %.loc9_17: type = ptr_type Inner [template = constants.%.1]
    76. 

  76. // CHECK:STDOUT:   %.loc9_11: <unbound element of class Inner> = field_decl pi, element0 [template]
    77. 

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

  78. // CHECK:STDOUT:   %.loc10_18: type = ptr_type Outer [template = constants.%.3]
    79. 

  79. // CHECK:STDOUT:   %.loc10_11: <unbound element of class Inner> = field_decl po, element1 [template]
    80. 

  80. // CHECK:STDOUT:   %Inner.ref: type = name_ref Inner, constants.%Inner [template = constants.%Inner]
    81. 

  81. // CHECK:STDOUT:   %.loc11_18: type = ptr_type Inner [template = constants.%.1]
    82. 

  82. // CHECK:STDOUT:   %.loc11_11: <unbound element of class Inner> = field_decl qi, element2 [template]
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: !members:
    85. 

  85. // CHECK:STDOUT:   .pi = %.loc9_11
    86. 

  86. // CHECK:STDOUT:   .po = %.loc10_11
    87. 

  87. // CHECK:STDOUT:   .qi = %.loc11_11
    88. 

  88. // CHECK:STDOUT: }
    89. 

  89. // CHECK:STDOUT:
    90. 

  90. // CHECK:STDOUT: fn @F(%a: Outer*) {
    91. 

  91. // CHECK:STDOUT: !entry:
    92. 

  92. // CHECK:STDOUT:   %a.ref.loc23_5: Outer* = name_ref a, %a
    93. 

  93. // CHECK:STDOUT:   %.loc23_4: ref Outer = deref %a.ref.loc23_5
    94. 

  94. // CHECK:STDOUT:   %.loc23_7: ref Outer* = class_element_access %.loc23_4, element0
    95. 

  95. // CHECK:STDOUT:   %a.ref.loc23_13: Outer* = name_ref a, %a
    96. 

  96. // CHECK:STDOUT:   assign %.loc23_7, %a.ref.loc23_13
    97. 

  97. // CHECK:STDOUT:   %a.ref.loc24_5: Outer* = name_ref a, %a
    98. 

  98. // CHECK:STDOUT:   %.loc24_4: ref Outer = deref %a.ref.loc24_5
    99. 

  99. // CHECK:STDOUT:   %.loc24_7: ref Outer* = class_element_access %.loc24_4, element1
    100. 

  100. // CHECK:STDOUT:   %a.ref.loc24_13: Outer* = name_ref a, %a
    101. 

  101. // CHECK:STDOUT:   assign %.loc24_7, %a.ref.loc24_13
    102. 

  102. // CHECK:STDOUT:   %a.ref.loc25_5: Outer* = name_ref a, %a
    103. 

  103. // CHECK:STDOUT:   %.loc25_4: ref Outer = deref %a.ref.loc25_5
    104. 

  104. // CHECK:STDOUT:   %.loc25_7: ref Inner* = class_element_access %.loc25_4, element2
    105. 

  105. // CHECK:STDOUT:   %a.ref.loc25_15: Outer* = name_ref a, %a
    106. 

  106. // CHECK:STDOUT:   %.loc25_14: ref Outer = deref %a.ref.loc25_15
    107. 

  107. // CHECK:STDOUT:   %.loc25_17.1: ref Inner* = class_element_access %.loc25_14, element2
    108. 

  108. // CHECK:STDOUT:   %.loc25_17.2: Inner* = bind_value %.loc25_17.1
    109. 

  109. // CHECK:STDOUT:   assign %.loc25_7, %.loc25_17.2
    110. 

  110. // CHECK:STDOUT:   %a.ref.loc26_7: Outer* = name_ref a, %a
    111. 

  111. // CHECK:STDOUT:   %.loc26_6: ref Outer = deref %a.ref.loc26_7
    112. 

  112. // CHECK:STDOUT:   %.loc26_9.1: ref Inner* = class_element_access %.loc26_6, element2
    113. 

  113. // CHECK:STDOUT:   %.loc26_9.2: Inner* = bind_value %.loc26_9.1
    114. 

  114. // CHECK:STDOUT:   %.loc26_4: ref Inner = deref %.loc26_9.2
    115. 

  115. // CHECK:STDOUT:   %.loc26_13: ref Outer* = class_element_access %.loc26_4, element1
    116. 

  116. // CHECK:STDOUT:   %a.ref.loc26_19: Outer* = name_ref a, %a
    117. 

  117. // CHECK:STDOUT:   assign %.loc26_13, %a.ref.loc26_19
    118. 

  118. // CHECK:STDOUT:   %a.ref.loc27_7: Outer* = name_ref a, %a
    119. 

  119. // CHECK:STDOUT:   %.loc27_6: ref Outer = deref %a.ref.loc27_7
    120. 

  120. // CHECK:STDOUT:   %.loc27_9.1: ref Inner* = class_element_access %.loc27_6, element2
    121. 

  121. // CHECK:STDOUT:   %.loc27_9.2: Inner* = bind_value %.loc27_9.1
    122. 

  122. // CHECK:STDOUT:   %.loc27_4: ref Inner = deref %.loc27_9.2
    123. 

  123. // CHECK:STDOUT:   %.loc27_13: ref Inner* = class_element_access %.loc27_4, element0
    124. 

  124. // CHECK:STDOUT:   %a.ref.loc27_21: Outer* = name_ref a, %a
    125. 

  125. // CHECK:STDOUT:   %.loc27_20: ref Outer = deref %a.ref.loc27_21
    126. 

  126. // CHECK:STDOUT:   %.loc27_23.1: ref Inner* = class_element_access %.loc27_20, element2
    127. 

  127. // CHECK:STDOUT:   %.loc27_23.2: Inner* = bind_value %.loc27_23.1
    128. 

  128. // CHECK:STDOUT:   assign %.loc27_13, %.loc27_23.2
    129. 

  129. // CHECK:STDOUT:   %a.ref.loc28_7: Outer* = name_ref a, %a
    130. 

  130. // CHECK:STDOUT:   %.loc28_6: ref Outer = deref %a.ref.loc28_7
    131. 

  131. // CHECK:STDOUT:   %.loc28_9.1: ref Inner* = class_element_access %.loc28_6, element2
    132. 

  132. // CHECK:STDOUT:   %.loc28_9.2: Inner* = bind_value %.loc28_9.1
    133. 

  133. // CHECK:STDOUT:   %.loc28_4: ref Inner = deref %.loc28_9.2
    134. 

  134. // CHECK:STDOUT:   %.loc28_13: ref Inner* = class_element_access %.loc28_4, element2
    135. 

  135. // CHECK:STDOUT:   %a.ref.loc28_21: Outer* = name_ref a, %a
    136. 

  136. // CHECK:STDOUT:   %.loc28_20: ref Outer = deref %a.ref.loc28_21
    137. 

  137. // CHECK:STDOUT:   %.loc28_23.1: ref Inner* = class_element_access %.loc28_20, element2
    138. 

  138. // CHECK:STDOUT:   %.loc28_23.2: Inner* = bind_value %.loc28_23.1
    139. 

  139. // CHECK:STDOUT:   assign %.loc28_13, %.loc28_23.2
    140. 

  140. // CHECK:STDOUT:   return
    141. 

  141. // CHECK:STDOUT: }
    142. 

  142. // CHECK:STDOUT:
    143.