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self_conversion.carbon

self_conversion.carbon 7.7 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. base class Base {
    8. 

  8.   var a: i32;
    9. 

  9. }
    10. 

  10. 

  11. class Derived {
    12. 

  12.   extend base: Base;
    13. 

  13. 

  14.   fn SelfBase[self: Base]() -> i32;
    15. 

  15.   fn AddrSelfBase[addr self: Base*]();
    16. 

  16. }
    17. 

  17. 

  18. fn Derived.SelfBase[self: Base]() -> i32 {
    19. 

  19.   return self.a;
    20. 

  20. }
    21. 

  21. 

  22. fn Derived.AddrSelfBase[addr self: Base*]() {
    23. 

  23.   (*self).a = 1;
    24. 

  24. }
    25. 

  25. 

  26. fn Call(p: Derived*) -> i32 {
    27. 

  27.   (*p).AddrSelfBase();
    28. 

  28.   return (*p).SelfBase();
    29. 

  29. }
    30. 

  30. 

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

  32. // CHECK:STDOUT:
    33. 

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

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

  35. // CHECK:STDOUT:   %.1: type = unbound_element_type Base, i32 [template]
    36. 

  36. // CHECK:STDOUT:   %.2: type = struct_type {.a: i32} [template]
    37. 

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

  38. // CHECK:STDOUT:   %.3: type = ptr_type {.a: i32} [template]
    39. 

  39. // CHECK:STDOUT:   %.4: type = unbound_element_type Derived, Base [template]
    40. 

  40. // CHECK:STDOUT:   %.5: type = ptr_type Base [template]
    41. 

  41. // CHECK:STDOUT:   %.6: type = struct_type {.base: Base} [template]
    42. 

  42. // CHECK:STDOUT:   %.7: i32 = int_literal 1 [template]
    43. 

  43. // CHECK:STDOUT:   %.8: type = ptr_type Derived [template]
    44. 

  44. // CHECK:STDOUT:   %.9: type = struct_type {.base: {.a: i32}*} [template]
    45. 

  45. // CHECK:STDOUT:   %.10: type = ptr_type {.base: Base} [template]
    46. 

  46. // CHECK:STDOUT:   %.11: type = tuple_type () [template]
    47. 

  47. // CHECK:STDOUT: }
    48. 

  48. // CHECK:STDOUT:
    49. 

  49. // CHECK:STDOUT: file {
    50. 

  50. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    51. 

  51. // CHECK:STDOUT:     .Core = %Core
    52. 

  52. // CHECK:STDOUT:     .Base = %Base.decl
    53. 

  53. // CHECK:STDOUT:     .Derived = %Derived.decl
    54. 

  54. // CHECK:STDOUT:     .Call = %Call
    55. 

  55. // CHECK:STDOUT:   }
    56. 

  56. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    57. 

  57. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {}
    58. 

  58. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {}
    59. 

  59. // CHECK:STDOUT:   %SelfBase: <function> = fn_decl @SelfBase [template] {
    60. 

  60. // CHECK:STDOUT:     %Base.ref.loc18: type = name_ref Base, %Base.decl [template = constants.%Base]
    61. 

  61. // CHECK:STDOUT:     %self.loc18_21.1: Base = param self
    62. 

  62. // CHECK:STDOUT:     @SelfBase.%self: Base = bind_name self, %self.loc18_21.1
    63. 

  63. // CHECK:STDOUT:     %return.var.loc18: ref i32 = var <return slot>
    64. 

  64. // CHECK:STDOUT:   }
    65. 

  65. // CHECK:STDOUT:   %AddrSelfBase: <function> = fn_decl @AddrSelfBase [template] {
    66. 

  66. // CHECK:STDOUT:     %Base.ref.loc22: type = name_ref Base, %Base.decl [template = constants.%Base]
    67. 

  67. // CHECK:STDOUT:     %.loc22_40: type = ptr_type Base [template = constants.%.5]
    68. 

  68. // CHECK:STDOUT:     %self.loc22_30.1: Base* = param self
    69. 

  69. // CHECK:STDOUT:     @AddrSelfBase.%self: Base* = bind_name self, %self.loc22_30.1
    70. 

  70. // CHECK:STDOUT:     @AddrSelfBase.%.loc22: Base* = addr_pattern @AddrSelfBase.%self
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %Call: <function> = fn_decl @Call [template] {
    73. 

  73. // CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
    74. 

  74. // CHECK:STDOUT:     %.loc26: type = ptr_type Derived [template = constants.%.8]
    75. 

  75. // CHECK:STDOUT:     %p.loc26_9.1: Derived* = param p
    76. 

  76. // CHECK:STDOUT:     @Call.%p: Derived* = bind_name p, %p.loc26_9.1
    77. 

  77. // CHECK:STDOUT:     %return.var.loc26: ref i32 = var <return slot>
    78. 

  78. // CHECK:STDOUT:   }
    79. 

  79. // CHECK:STDOUT: }
    80. 

  80. // CHECK:STDOUT:
    81. 

  81. // CHECK:STDOUT: class @Base {
    82. 

  82. // CHECK:STDOUT:   %.loc8: <unbound element of class Base> = field_decl a, element0 [template]
    83. 

  83. // CHECK:STDOUT:
    84. 

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

  85. // CHECK:STDOUT:   .Self = constants.%Base
    86. 

  86. // CHECK:STDOUT:   .a = %.loc8
    87. 

  87. // CHECK:STDOUT: }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: class @Derived {
    90. 

  90. // CHECK:STDOUT:   %Base.ref.loc12: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    91. 

  91. // CHECK:STDOUT:   %.loc12: <unbound element of class Derived> = base_decl Base, element0 [template]
    92. 

  92. // CHECK:STDOUT:   %SelfBase: <function> = fn_decl @SelfBase [template] {
    93. 

  93. // CHECK:STDOUT:     %Base.ref.loc14: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    94. 

  94. // CHECK:STDOUT:     %self.loc14_15.1: Base = param self
    95. 

  95. // CHECK:STDOUT:     %self.loc14_15.2: Base = bind_name self, %self.loc14_15.1
    96. 

  96. // CHECK:STDOUT:     %return.var: ref i32 = var <return slot>
    97. 

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT:   %AddrSelfBase: <function> = fn_decl @AddrSelfBase [template] {
    99. 

  99. // CHECK:STDOUT:     %Base.ref.loc15: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    100. 

  100. // CHECK:STDOUT:     %.loc15_34: type = ptr_type Base [template = constants.%.5]
    101. 

  101. // CHECK:STDOUT:     %self.loc15_24.1: Base* = param self
    102. 

  102. // CHECK:STDOUT:     %self.loc15_24.3: Base* = bind_name self, %self.loc15_24.1
    103. 

  103. // CHECK:STDOUT:     %.loc15_19: Base* = addr_pattern %self.loc15_24.3
    104. 

  104. // CHECK:STDOUT:   }
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: !members:
    107. 

  107. // CHECK:STDOUT:   .Self = constants.%Derived
    108. 

  108. // CHECK:STDOUT:   .base = %.loc12
    109. 

  109. // CHECK:STDOUT:   .SelfBase = %SelfBase
    110. 

  110. // CHECK:STDOUT:   .AddrSelfBase = %AddrSelfBase
    111. 

  111. // CHECK:STDOUT:   extend name_scope2
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: fn @SelfBase[%self: Base]() -> i32 {
    115. 

  115. // CHECK:STDOUT: !entry:
    116. 

  116. // CHECK:STDOUT:   %self.ref: Base = name_ref self, %self
    117. 

  117. // CHECK:STDOUT:   %a.ref: <unbound element of class Base> = name_ref a, @Base.%.loc8 [template = @Base.%.loc8]
    118. 

  118. // CHECK:STDOUT:   %.loc19_14.1: ref i32 = class_element_access %self.ref, element0
    119. 

  119. // CHECK:STDOUT:   %.loc19_14.2: i32 = bind_value %.loc19_14.1
    120. 

  120. // CHECK:STDOUT:   return %.loc19_14.2
    121. 

  121. // CHECK:STDOUT: }
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT: fn @AddrSelfBase[addr %self: Base*]() {
    124. 

  124. // CHECK:STDOUT: !entry:
    125. 

  125. // CHECK:STDOUT:   %self.ref: Base* = name_ref self, %self
    126. 

  126. // CHECK:STDOUT:   %.loc23_4: ref Base = deref %self.ref
    127. 

  127. // CHECK:STDOUT:   %a.ref: <unbound element of class Base> = name_ref a, @Base.%.loc8 [template = @Base.%.loc8]
    128. 

  128. // CHECK:STDOUT:   %.loc23_10: ref i32 = class_element_access %.loc23_4, element0
    129. 

  129. // CHECK:STDOUT:   %.loc23_15: i32 = int_literal 1 [template = constants.%.7]
    130. 

  130. // CHECK:STDOUT:   assign %.loc23_10, %.loc23_15
    131. 

  131. // CHECK:STDOUT:   return
    132. 

  132. // CHECK:STDOUT: }
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: fn @Call(%p: Derived*) -> i32 {
    135. 

  135. // CHECK:STDOUT: !entry:
    136. 

  136. // CHECK:STDOUT:   %p.ref.loc27: Derived* = name_ref p, %p
    137. 

  137. // CHECK:STDOUT:   %.loc27_4.1: ref Derived = deref %p.ref.loc27
    138. 

  138. // CHECK:STDOUT:   %AddrSelfBase.ref: <function> = name_ref AddrSelfBase, @Derived.%AddrSelfBase [template = @Derived.%AddrSelfBase]
    139. 

  139. // CHECK:STDOUT:   %.loc27_7: <bound method> = bound_method %.loc27_4.1, %AddrSelfBase.ref
    140. 

  140. // CHECK:STDOUT:   %.loc27_4.2: Derived* = addr_of %.loc27_4.1
    141. 

  141. // CHECK:STDOUT:   %.loc27_20.1: ref Derived = deref %.loc27_4.2
    142. 

  142. // CHECK:STDOUT:   %.loc27_20.2: ref Base = class_element_access %.loc27_20.1, element0
    143. 

  143. // CHECK:STDOUT:   %.loc27_20.3: Base* = addr_of %.loc27_20.2
    144. 

  144. // CHECK:STDOUT:   %.loc27_4.3: Base* = converted %.loc27_4.2, %.loc27_20.3
    145. 

  145. // CHECK:STDOUT:   %.loc27_20.4: init () = call %.loc27_7(%.loc27_4.3)
    146. 

  146. // CHECK:STDOUT:   %p.ref.loc28: Derived* = name_ref p, %p
    147. 

  147. // CHECK:STDOUT:   %.loc28_11.1: ref Derived = deref %p.ref.loc28
    148. 

  148. // CHECK:STDOUT:   %SelfBase.ref: <function> = name_ref SelfBase, @Derived.%SelfBase [template = @Derived.%SelfBase]
    149. 

  149. // CHECK:STDOUT:   %.loc28_14: <bound method> = bound_method %.loc28_11.1, %SelfBase.ref
    150. 

  150. // CHECK:STDOUT:   %.loc28_23.1: ref Base = class_element_access %.loc28_11.1, element0
    151. 

  151. // CHECK:STDOUT:   %.loc28_11.2: ref Base = converted %.loc28_11.1, %.loc28_23.1
    152. 

  152. // CHECK:STDOUT:   %.loc28_11.3: Base = bind_value %.loc28_11.2
    153. 

  153. // CHECK:STDOUT:   %.loc28_23.2: init i32 = call %.loc28_14(%.loc28_11.3)
    154. 

  154. // CHECK:STDOUT:   %.loc28_25: i32 = value_of_initializer %.loc28_23.2
    155. 

  155. // CHECK:STDOUT:   %.loc28_23.3: i32 = converted %.loc28_23.2, %.loc28_25
    156. 

  156. // CHECK:STDOUT:   return %.loc28_23.3
    157. 

  157. // CHECK:STDOUT: }
    158. 

  158. // CHECK:STDOUT:
    159.