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carbon-lang
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self_conversion.carbon

self_conversion.carbon 10 KB
文件历史 原始文件

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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/self_conversion.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/self_conversion.carbon
    10. 

  10. 

  11. base class Base {
    12. 

  12.   var a: i32;
    13. 

  13. }
    14. 

  14. 

  15. class Derived {
    16. 

  16.   extend base: Base;
    17. 

  17. 

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

  19.   fn AddrSelfBase[addr self: Base*]();
    20. 

  20. }
    21. 

  21. 

  22. fn Derived.SelfBase[self: Base]() -> i32 {
    23. 

  23.   return self.a;
    24. 

  24. }
    25. 

  25. 

  26. fn Derived.AddrSelfBase[addr self: Base*]() {
    27. 

  27.   (*self).a = 1;
    28. 

  28. }
    29. 

  29. 

  30. fn Call(p: Derived*) -> i32 {
    31. 

  31.   (*p).AddrSelfBase();
    32. 

  32.   return (*p).SelfBase();
    33. 

  33. }
    34. 

  34. 

  35. // CHECK:STDOUT: --- self_conversion.carbon
    36. 

  36. // CHECK:STDOUT:
    37. 

  37. // CHECK:STDOUT: constants {
    38. 

  38. // CHECK:STDOUT:   %Base: type = class_type @Base [template]
    39. 

  39. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    40. 

  40. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    41. 

  41. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    42. 

  42. // CHECK:STDOUT:   %.2: type = unbound_element_type %Base, i32 [template]
    43. 

  43. // CHECK:STDOUT:   %.3: type = struct_type {.a: i32} [template]
    44. 

  44. // CHECK:STDOUT:   %Derived: type = class_type @Derived [template]
    45. 

  45. // CHECK:STDOUT:   %.4: type = ptr_type %.3 [template]
    46. 

  46. // CHECK:STDOUT:   %.5: type = unbound_element_type %Derived, %Base [template]
    47. 

  47. // CHECK:STDOUT:   %SelfBase.type: type = fn_type @SelfBase [template]
    48. 

  48. // CHECK:STDOUT:   %SelfBase: %SelfBase.type = struct_value () [template]
    49. 

  49. // CHECK:STDOUT:   %.6: type = ptr_type %Base [template]
    50. 

  50. // CHECK:STDOUT:   %AddrSelfBase.type: type = fn_type @AddrSelfBase [template]
    51. 

  51. // CHECK:STDOUT:   %AddrSelfBase: %AddrSelfBase.type = struct_value () [template]
    52. 

  52. // CHECK:STDOUT:   %.7: type = struct_type {.base: %Base} [template]
    53. 

  53. // CHECK:STDOUT:   %.8: i32 = int_literal 1 [template]
    54. 

  54. // CHECK:STDOUT:   %.9: type = ptr_type %Derived [template]
    55. 

  55. // CHECK:STDOUT:   %Call.type: type = fn_type @Call [template]
    56. 

  56. // CHECK:STDOUT:   %Call: %Call.type = struct_value () [template]
    57. 

  57. // CHECK:STDOUT:   %.10: type = struct_type {.base: %.4} [template]
    58. 

  58. // CHECK:STDOUT:   %.11: type = ptr_type %.7 [template]
    59. 

  59. // CHECK:STDOUT: }
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: file {
    62. 

  62. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    63. 

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

  64. // CHECK:STDOUT:     .Base = %Base.decl
    65. 

  65. // CHECK:STDOUT:     .Derived = %Derived.decl
    66. 

  66. // CHECK:STDOUT:     .Call = %Call.decl
    67. 

  67. // CHECK:STDOUT:   }
    68. 

  68. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    69. 

  69. // CHECK:STDOUT:   %Base.decl: type = class_decl @Base [template = constants.%Base] {}
    70. 

  70. // CHECK:STDOUT:   %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    71. 

  71. // CHECK:STDOUT:   %Derived.decl: type = class_decl @Derived [template = constants.%Derived] {}
    72. 

  72. // CHECK:STDOUT:   %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    73. 

  73. // CHECK:STDOUT:   %import_ref.3: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    74. 

  74. // CHECK:STDOUT:   %SelfBase.decl: %SelfBase.type = fn_decl @SelfBase [template = constants.%SelfBase] {
    75. 

  75. // CHECK:STDOUT:     %Base.ref.loc22: type = name_ref Base, %Base.decl [template = constants.%Base]
    76. 

  76. // CHECK:STDOUT:     %self.loc22_21.1: %Base = param self
    77. 

  77. // CHECK:STDOUT:     @SelfBase.%self: %Base = bind_name self, %self.loc22_21.1
    78. 

  78. // CHECK:STDOUT:     %int.make_type_32.loc22: init type = call constants.%Int32() [template = i32]
    79. 

  79. // CHECK:STDOUT:     %.loc22_38.1: type = value_of_initializer %int.make_type_32.loc22 [template = i32]
    80. 

  80. // CHECK:STDOUT:     %.loc22_38.2: type = converted %int.make_type_32.loc22, %.loc22_38.1 [template = i32]
    81. 

  81. // CHECK:STDOUT:     @SelfBase.%return: ref i32 = var <return slot>
    82. 

  82. // CHECK:STDOUT:   }
    83. 

  83. // CHECK:STDOUT:   %AddrSelfBase.decl: %AddrSelfBase.type = fn_decl @AddrSelfBase [template = constants.%AddrSelfBase] {
    84. 

  84. // CHECK:STDOUT:     %Base.ref.loc26: type = name_ref Base, %Base.decl [template = constants.%Base]
    85. 

  85. // CHECK:STDOUT:     %.loc26_40: type = ptr_type %Base [template = constants.%.6]
    86. 

  86. // CHECK:STDOUT:     %self.loc26_30.1: %.6 = param self
    87. 

  87. // CHECK:STDOUT:     @AddrSelfBase.%self: %.6 = bind_name self, %self.loc26_30.1
    88. 

  88. // CHECK:STDOUT:     @AddrSelfBase.%.loc26: %.6 = addr_pattern @AddrSelfBase.%self
    89. 

  89. // CHECK:STDOUT:   }
    90. 

  90. // CHECK:STDOUT:   %import_ref.4: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
    91. 

  91. // CHECK:STDOUT:   %Call.decl: %Call.type = fn_decl @Call [template = constants.%Call] {
    92. 

  92. // CHECK:STDOUT:     %Derived.ref: type = name_ref Derived, %Derived.decl [template = constants.%Derived]
    93. 

  93. // CHECK:STDOUT:     %.loc30_19: type = ptr_type %Derived [template = constants.%.9]
    94. 

  94. // CHECK:STDOUT:     %p.loc30_9.1: %.9 = param p
    95. 

  95. // CHECK:STDOUT:     @Call.%p: %.9 = bind_name p, %p.loc30_9.1
    96. 

  96. // CHECK:STDOUT:     %int.make_type_32.loc30: init type = call constants.%Int32() [template = i32]
    97. 

  97. // CHECK:STDOUT:     %.loc30_25.1: type = value_of_initializer %int.make_type_32.loc30 [template = i32]
    98. 

  98. // CHECK:STDOUT:     %.loc30_25.2: type = converted %int.make_type_32.loc30, %.loc30_25.1 [template = i32]
    99. 

  99. // CHECK:STDOUT:     @Call.%return: ref i32 = var <return slot>
    100. 

  100. // CHECK:STDOUT:   }
    101. 

  101. // CHECK:STDOUT: }
    102. 

  102. // CHECK:STDOUT:
    103. 

  103. // CHECK:STDOUT: class @Base {
    104. 

  104. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    105. 

  105. // CHECK:STDOUT:   %.loc12_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
    106. 

  106. // CHECK:STDOUT:   %.loc12_10.2: type = converted %int.make_type_32, %.loc12_10.1 [template = i32]
    107. 

  107. // CHECK:STDOUT:   %.loc12_8: %.2 = field_decl a, element0 [template]
    108. 

  108. // CHECK:STDOUT:
    109. 

  109. // CHECK:STDOUT: !members:
    110. 

  110. // CHECK:STDOUT:   .Self = constants.%Base
    111. 

  111. // CHECK:STDOUT:   .a = %.loc12_8
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: class @Derived {
    115. 

  115. // CHECK:STDOUT:   %Base.ref.loc16: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    116. 

  116. // CHECK:STDOUT:   %.loc16: %.5 = base_decl %Base, element0 [template]
    117. 

  117. // CHECK:STDOUT:   %SelfBase.decl: %SelfBase.type = fn_decl @SelfBase [template = constants.%SelfBase] {
    118. 

  118. // CHECK:STDOUT:     %Base.ref.loc18: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    119. 

  119. // CHECK:STDOUT:     %self.loc18_15.1: %Base = param self
    120. 

  120. // CHECK:STDOUT:     %self.loc18_15.2: %Base = bind_name self, %self.loc18_15.1
    121. 

  121. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    122. 

  122. // CHECK:STDOUT:     %.loc18_32.1: type = value_of_initializer %int.make_type_32 [template = i32]
    123. 

  123. // CHECK:STDOUT:     %.loc18_32.2: type = converted %int.make_type_32, %.loc18_32.1 [template = i32]
    124. 

  124. // CHECK:STDOUT:     %return.var: ref i32 = var <return slot>
    125. 

  125. // CHECK:STDOUT:   }
    126. 

  126. // CHECK:STDOUT:   %AddrSelfBase.decl: %AddrSelfBase.type = fn_decl @AddrSelfBase [template = constants.%AddrSelfBase] {
    127. 

  127. // CHECK:STDOUT:     %Base.ref.loc19: type = name_ref Base, file.%Base.decl [template = constants.%Base]
    128. 

  128. // CHECK:STDOUT:     %.loc19_34: type = ptr_type %Base [template = constants.%.6]
    129. 

  129. // CHECK:STDOUT:     %self.loc19_24.1: %.6 = param self
    130. 

  130. // CHECK:STDOUT:     %self.loc19_24.3: %.6 = bind_name self, %self.loc19_24.1
    131. 

  131. // CHECK:STDOUT:     %.loc19_19: %.6 = addr_pattern %self.loc19_24.3
    132. 

  132. // CHECK:STDOUT:   }
    133. 

  133. // CHECK:STDOUT:
    134. 

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

  135. // CHECK:STDOUT:   .Self = constants.%Derived
    136. 

  136. // CHECK:STDOUT:   .base = %.loc16
    137. 

  137. // CHECK:STDOUT:   .SelfBase = %SelfBase.decl
    138. 

  138. // CHECK:STDOUT:   .AddrSelfBase = %AddrSelfBase.decl
    139. 

  139. // CHECK:STDOUT:   extend name_scope2
    140. 

  140. // CHECK:STDOUT: }
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    143. 

  143. // CHECK:STDOUT:
    144. 

  144. // CHECK:STDOUT: fn @SelfBase[%self: %Base]() -> i32 {
    145. 

  145. // CHECK:STDOUT: !entry:
    146. 

  146. // CHECK:STDOUT:   %self.ref: %Base = name_ref self, %self
    147. 

  147. // CHECK:STDOUT:   %a.ref: %.2 = name_ref a, @Base.%.loc12_8 [template = @Base.%.loc12_8]
    148. 

  148. // CHECK:STDOUT:   %.loc23_14.1: ref i32 = class_element_access %self.ref, element0
    149. 

  149. // CHECK:STDOUT:   %.loc23_14.2: i32 = bind_value %.loc23_14.1
    150. 

  150. // CHECK:STDOUT:   return %.loc23_14.2
    151. 

  151. // CHECK:STDOUT: }
    152. 

  152. // CHECK:STDOUT:
    153. 

  153. // CHECK:STDOUT: fn @AddrSelfBase[addr %self: %.6]() {
    154. 

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

  155. // CHECK:STDOUT:   %self.ref: %.6 = name_ref self, %self
    156. 

  156. // CHECK:STDOUT:   %.loc27_4: ref %Base = deref %self.ref
    157. 

  157. // CHECK:STDOUT:   %a.ref: %.2 = name_ref a, @Base.%.loc12_8 [template = @Base.%.loc12_8]
    158. 

  158. // CHECK:STDOUT:   %.loc27_10: ref i32 = class_element_access %.loc27_4, element0
    159. 

  159. // CHECK:STDOUT:   %.loc27_15: i32 = int_literal 1 [template = constants.%.8]
    160. 

  160. // CHECK:STDOUT:   assign %.loc27_10, %.loc27_15
    161. 

  161. // CHECK:STDOUT:   return
    162. 

  162. // CHECK:STDOUT: }
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: fn @Call(%p: %.9) -> i32 {
    165. 

  165. // CHECK:STDOUT: !entry:
    166. 

  166. // CHECK:STDOUT:   %p.ref.loc31: %.9 = name_ref p, %p
    167. 

  167. // CHECK:STDOUT:   %.loc31_4.1: ref %Derived = deref %p.ref.loc31
    168. 

  168. // CHECK:STDOUT:   %AddrSelfBase.ref: %AddrSelfBase.type = name_ref AddrSelfBase, @Derived.%AddrSelfBase.decl [template = constants.%AddrSelfBase]
    169. 

  169. // CHECK:STDOUT:   %.loc31_7: <bound method> = bound_method %.loc31_4.1, %AddrSelfBase.ref
    170. 

  170. // CHECK:STDOUT:   %.loc31_4.2: %.9 = addr_of %.loc31_4.1
    171. 

  171. // CHECK:STDOUT:   %.loc31_20.1: ref %Derived = deref %.loc31_4.2
    172. 

  172. // CHECK:STDOUT:   %.loc31_20.2: ref %Base = class_element_access %.loc31_20.1, element0
    173. 

  173. // CHECK:STDOUT:   %.loc31_20.3: %.6 = addr_of %.loc31_20.2
    174. 

  174. // CHECK:STDOUT:   %.loc31_20.4: %.6 = converted %.loc31_4.2, %.loc31_20.3
    175. 

  175. // CHECK:STDOUT:   %AddrSelfBase.call: init %.1 = call %.loc31_7(%.loc31_20.4)
    176. 

  176. // CHECK:STDOUT:   %p.ref.loc32: %.9 = name_ref p, %p
    177. 

  177. // CHECK:STDOUT:   %.loc32_11: ref %Derived = deref %p.ref.loc32
    178. 

  178. // CHECK:STDOUT:   %SelfBase.ref: %SelfBase.type = name_ref SelfBase, @Derived.%SelfBase.decl [template = constants.%SelfBase]
    179. 

  179. // CHECK:STDOUT:   %.loc32_14: <bound method> = bound_method %.loc32_11, %SelfBase.ref
    180. 

  180. // CHECK:STDOUT:   %.loc32_23.1: ref %Base = class_element_access %.loc32_11, element0
    181. 

  181. // CHECK:STDOUT:   %.loc32_23.2: ref %Base = converted %.loc32_11, %.loc32_23.1
    182. 

  182. // CHECK:STDOUT:   %.loc32_23.3: %Base = bind_value %.loc32_23.2
    183. 

  183. // CHECK:STDOUT:   %SelfBase.call: init i32 = call %.loc32_14(%.loc32_23.3)
    184. 

  184. // CHECK:STDOUT:   %.loc32_25.1: i32 = value_of_initializer %SelfBase.call
    185. 

  185. // CHECK:STDOUT:   %.loc32_25.2: i32 = converted %SelfBase.call, %.loc32_25.1
    186. 

  186. // CHECK:STDOUT:   return %.loc32_25.2
    187. 

  187. // CHECK:STDOUT: }
    188. 

  188. // CHECK:STDOUT:
    189.