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carbon-lang
/
toolchain
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check
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testdata
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as
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overloaded.carbon

overloaded.carbon 11 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/as/overloaded.carbon
    8. 

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

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

  10. 

  11. class X {
    12. 

  12.   var n: i32;
    13. 

  13. }
    14. 

  14. 

  15. impl i32 as Core.As(X) {
    16. 

  16.   fn Convert[self: i32]() -> X { return {.n = self}; }
    17. 

  17. }
    18. 

  18. 

  19. impl X as Core.As(i32) {
    20. 

  20.   fn Convert[self: X]() -> i32 { return self.n; }
    21. 

  21. }
    22. 

  22. 

  23. let n: i32 = ((4 as i32) as X) as i32;
    24. 

  24. 

  25. // CHECK:STDOUT: --- overloaded.carbon
    26. 

  26. // CHECK:STDOUT:
    27. 

  27. // CHECK:STDOUT: constants {
    28. 

  28. // CHECK:STDOUT:   %X: type = class_type @X [template]
    29. 

  29. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    30. 

  30. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    31. 

  31. // CHECK:STDOUT:   %.1: type = unbound_element_type %X, i32 [template]
    32. 

  32. // CHECK:STDOUT:   %.2: type = struct_type {.n: i32} [template]
    33. 

  33. // CHECK:STDOUT:   %.3: <witness> = complete_type_witness %.2 [template]
    34. 

  34. // CHECK:STDOUT:   %As.type.1: type = generic_interface_type @As [template]
    35. 

  35. // CHECK:STDOUT:   %As: %As.type.1 = struct_value () [template]
    36. 

  36. // CHECK:STDOUT:   %As.type.3: type = facet_type <@As, @As(%X)> [template]
    37. 

  37. // CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert.2 [template]
    38. 

  38. // CHECK:STDOUT:   %Convert.2: %Convert.type.2 = struct_value () [template]
    39. 

  39. // CHECK:STDOUT:   %Convert.type.3: type = fn_type @Convert.1, @As(%X) [template]
    40. 

  40. // CHECK:STDOUT:   %.8: <witness> = interface_witness (%Convert.2) [template]
    41. 

  41. // CHECK:STDOUT:   %As.type.4: type = facet_type <@As, @As(i32)> [template]
    42. 

  42. // CHECK:STDOUT:   %Convert.type.4: type = fn_type @Convert.3 [template]
    43. 

  43. // CHECK:STDOUT:   %Convert.4: %Convert.type.4 = struct_value () [template]
    44. 

  44. // CHECK:STDOUT:   %Convert.type.5: type = fn_type @Convert.1, @As(i32) [template]
    45. 

  45. // CHECK:STDOUT:   %.12: <witness> = interface_witness (%Convert.4) [template]
    46. 

  46. // CHECK:STDOUT:   %.13: i32 = int_value 4 [template]
    47. 

  47. // CHECK:STDOUT:   %.15: <bound method> = bound_method %.13, %Convert.2 [template]
    48. 

  48. // CHECK:STDOUT: }
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: imports {
    51. 

  51. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    52. 

  52. // CHECK:STDOUT:     .Int32 = %import_ref.1
    53. 

  53. // CHECK:STDOUT:     .As = %import_ref.2
    54. 

  54. // CHECK:STDOUT:     import Core//prelude
    55. 

  55. // CHECK:STDOUT:     import Core//prelude/...
    56. 

  56. // CHECK:STDOUT:   }
    57. 

  57. // CHECK:STDOUT:   %import_ref.2: %As.type.1 = import_ref Core//prelude/operators/as, inst+7, loaded [template = constants.%As]
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

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

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

  62. // CHECK:STDOUT:     .Core = imports.%Core
    63. 

  63. // CHECK:STDOUT:     .X = %X.decl
    64. 

  64. // CHECK:STDOUT:     .n = @__global_init.%n
    65. 

  65. // CHECK:STDOUT:   }
    66. 

  66. // CHECK:STDOUT:   %Core.import = import Core
    67. 

  67. // CHECK:STDOUT:   %X.decl: type = class_decl @X [template = constants.%X] {} {}
    68. 

  68. // CHECK:STDOUT:   impl_decl @impl.1 [template] {} {
    69. 

  69. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    70. 

  70. // CHECK:STDOUT:     %.loc15_6.1: type = value_of_initializer %int.make_type_32 [template = i32]
    71. 

  71. // CHECK:STDOUT:     %.loc15_6.2: type = converted %int.make_type_32, %.loc15_6.1 [template = i32]
    72. 

  72. // CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
    73. 

  73. // CHECK:STDOUT:     %As.ref: %As.type.1 = name_ref As, imports.%import_ref.2 [template = constants.%As]
    74. 

  74. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    75. 

  75. // CHECK:STDOUT:     %As.type: type = facet_type <@As, @As(constants.%X)> [template = constants.%As.type.3]
    76. 

  76. // CHECK:STDOUT:   }
    77. 

  77. // CHECK:STDOUT:   impl_decl @impl.2 [template] {} {
    78. 

  78. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    79. 

  79. // CHECK:STDOUT:     %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
    80. 

  80. // CHECK:STDOUT:     %As.ref: %As.type.1 = name_ref As, imports.%import_ref.2 [template = constants.%As]
    81. 

  81. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    82. 

  82. // CHECK:STDOUT:     %.loc19_18.1: type = value_of_initializer %int.make_type_32 [template = i32]
    83. 

  83. // CHECK:STDOUT:     %.loc19_18.2: type = converted %int.make_type_32, %.loc19_18.1 [template = i32]
    84. 

  84. // CHECK:STDOUT:     %As.type: type = facet_type <@As, @As(i32)> [template = constants.%As.type.4]
    85. 

  85. // CHECK:STDOUT:   }
    86. 

  86. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    87. 

  87. // CHECK:STDOUT:   %.loc23_8.1: type = value_of_initializer %int.make_type_32 [template = i32]
    88. 

  88. // CHECK:STDOUT:   %.loc23_8.2: type = converted %int.make_type_32, %.loc23_8.1 [template = i32]
    89. 

  89. // CHECK:STDOUT: }
    90. 

  90. // CHECK:STDOUT:
    91. 

  91. // CHECK:STDOUT: impl @impl.1: %.loc15_6.2 as %As.type {
    92. 

  92. // CHECK:STDOUT:   %Convert.decl: %Convert.type.2 = fn_decl @Convert.2 [template = constants.%Convert.2] {
    93. 

  93. // CHECK:STDOUT:     %self.patt: i32 = binding_pattern self
    94. 

  94. // CHECK:STDOUT:     %self.param_patt: i32 = value_param_pattern %self.patt, runtime_param0
    95. 

  95. // CHECK:STDOUT:     %return.patt: %X = return_slot_pattern
    96. 

  96. // CHECK:STDOUT:     %return.param_patt: %X = out_param_pattern %return.patt, runtime_param1
    97. 

  97. // CHECK:STDOUT:   } {
    98. 

  98. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    99. 

  99. // CHECK:STDOUT:     %.loc16_20.1: type = value_of_initializer %int.make_type_32 [template = i32]
    100. 

  100. // CHECK:STDOUT:     %.loc16_20.2: type = converted %int.make_type_32, %.loc16_20.1 [template = i32]
    101. 

  101. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    102. 

  102. // CHECK:STDOUT:     %self.param: i32 = value_param runtime_param0
    103. 

  103. // CHECK:STDOUT:     %self: i32 = bind_name self, %self.param
    104. 

  104. // CHECK:STDOUT:     %return.param: ref %X = out_param runtime_param1
    105. 

  105. // CHECK:STDOUT:     %return: ref %X = return_slot %return.param
    106. 

  106. // CHECK:STDOUT:   }
    107. 

  107. // CHECK:STDOUT:   %.loc15_24: <witness> = interface_witness (%Convert.decl) [template = constants.%.8]
    108. 

  108. // CHECK:STDOUT:
    109. 

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

  110. // CHECK:STDOUT:   .Convert = %Convert.decl
    111. 

  111. // CHECK:STDOUT:   witness = %.loc15_24
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: impl @impl.2: %X.ref as %As.type {
    115. 

  115. // CHECK:STDOUT:   %Convert.decl: %Convert.type.4 = fn_decl @Convert.3 [template = constants.%Convert.4] {
    116. 

  116. // CHECK:STDOUT:     %self.patt: %X = binding_pattern self
    117. 

  117. // CHECK:STDOUT:     %self.param_patt: %X = value_param_pattern %self.patt, runtime_param0
    118. 

  118. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    119. 

  119. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param1
    120. 

  120. // CHECK:STDOUT:   } {
    121. 

  121. // CHECK:STDOUT:     %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    122. 

  122. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    123. 

  123. // CHECK:STDOUT:     %.loc20_28.1: type = value_of_initializer %int.make_type_32 [template = i32]
    124. 

  124. // CHECK:STDOUT:     %.loc20_28.2: type = converted %int.make_type_32, %.loc20_28.1 [template = i32]
    125. 

  125. // CHECK:STDOUT:     %self.param: %X = value_param runtime_param0
    126. 

  126. // CHECK:STDOUT:     %self: %X = bind_name self, %self.param
    127. 

  127. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param1
    128. 

  128. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    129. 

  129. // CHECK:STDOUT:   }
    130. 

  130. // CHECK:STDOUT:   %.loc19_24: <witness> = interface_witness (%Convert.decl) [template = constants.%.12]
    131. 

  131. // CHECK:STDOUT:
    132. 

  132. // CHECK:STDOUT: !members:
    133. 

  133. // CHECK:STDOUT:   .Convert = %Convert.decl
    134. 

  134. // CHECK:STDOUT:   witness = %.loc19_24
    135. 

  135. // CHECK:STDOUT: }
    136. 

  136. // CHECK:STDOUT:
    137. 

  137. // CHECK:STDOUT: class @X {
    138. 

  138. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    139. 

  139. // CHECK:STDOUT:   %.loc12_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
    140. 

  140. // CHECK:STDOUT:   %.loc12_10.2: type = converted %int.make_type_32, %.loc12_10.1 [template = i32]
    141. 

  141. // CHECK:STDOUT:   %.loc12_8: %.1 = field_decl n, element0 [template]
    142. 

  142. // CHECK:STDOUT:   %.loc13: <witness> = complete_type_witness %.2 [template = constants.%.3]
    143. 

  143. // CHECK:STDOUT:
    144. 

  144. // CHECK:STDOUT: !members:
    145. 

  145. // CHECK:STDOUT:   .Self = constants.%X
    146. 

  146. // CHECK:STDOUT:   .n = %.loc12_8
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: fn @Convert.2[%self.param_patt: i32]() -> %return: %X {
    150. 

  150. // CHECK:STDOUT: !entry:
    151. 

  151. // CHECK:STDOUT:   %self.ref: i32 = name_ref self, %self
    152. 

  152. // CHECK:STDOUT:   %.loc16_51.1: %.2 = struct_literal (%self.ref)
    153. 

  153. // CHECK:STDOUT:   %.loc16_51.2: ref i32 = class_element_access %return, element0
    154. 

  154. // CHECK:STDOUT:   %.loc16_51.3: init i32 = initialize_from %self.ref to %.loc16_51.2
    155. 

  155. // CHECK:STDOUT:   %.loc16_51.4: init %X = class_init (%.loc16_51.3), %return
    156. 

  156. // CHECK:STDOUT:   %.loc16_52: init %X = converted %.loc16_51.1, %.loc16_51.4
    157. 

  157. // CHECK:STDOUT:   return %.loc16_52 to %return
    158. 

  158. // CHECK:STDOUT: }
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: fn @Convert.3[%self.param_patt: %X]() -> i32 {
    161. 

  161. // CHECK:STDOUT: !entry:
    162. 

  162. // CHECK:STDOUT:   %self.ref: %X = name_ref self, %self
    163. 

  163. // CHECK:STDOUT:   %n.ref: %.1 = name_ref n, @X.%.loc12_8 [template = @X.%.loc12_8]
    164. 

  164. // CHECK:STDOUT:   %.loc20_45.1: ref i32 = class_element_access %self.ref, element0
    165. 

  165. // CHECK:STDOUT:   %.loc20_45.2: i32 = bind_value %.loc20_45.1
    166. 

  166. // CHECK:STDOUT:   return %.loc20_45.2
    167. 

  167. // CHECK:STDOUT: }
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: fn @__global_init() {
    170. 

  170. // CHECK:STDOUT: !entry:
    171. 

  171. // CHECK:STDOUT:   %.loc23_16: i32 = int_value 4 [template = constants.%.13]
    172. 

  172. // CHECK:STDOUT:   %int.make_type_32.loc23_21: init type = call constants.%Int32() [template = i32]
    173. 

  173. // CHECK:STDOUT:   %.loc23_21.1: type = value_of_initializer %int.make_type_32.loc23_21 [template = i32]
    174. 

  174. // CHECK:STDOUT:   %.loc23_21.2: type = converted %int.make_type_32.loc23_21, %.loc23_21.1 [template = i32]
    175. 

  175. // CHECK:STDOUT:   %X.ref: type = name_ref X, file.%X.decl [template = constants.%X]
    176. 

  176. // CHECK:STDOUT:   %.loc23_26.1: %Convert.type.3 = interface_witness_access constants.%.8, element0 [template = constants.%Convert.2]
    177. 

  177. // CHECK:STDOUT:   %.loc23_26.2: <bound method> = bound_method %.loc23_16, %.loc23_26.1 [template = constants.%.15]
    178. 

  178. // CHECK:STDOUT:   %.loc23_26.3: ref %X = temporary_storage
    179. 

  179. // CHECK:STDOUT:   %Convert.call.loc23_26: init %X = call %.loc23_26.2(%.loc23_16) to %.loc23_26.3
    180. 

  180. // CHECK:STDOUT:   %.loc23_26.4: init %X = converted %.loc23_16, %Convert.call.loc23_26
    181. 

  181. // CHECK:STDOUT:   %int.make_type_32.loc23_35: init type = call constants.%Int32() [template = i32]
    182. 

  182. // CHECK:STDOUT:   %.loc23_35.1: type = value_of_initializer %int.make_type_32.loc23_35 [template = i32]
    183. 

  183. // CHECK:STDOUT:   %.loc23_35.2: type = converted %int.make_type_32.loc23_35, %.loc23_35.1 [template = i32]
    184. 

  184. // CHECK:STDOUT:   %.loc23_32.1: %Convert.type.5 = interface_witness_access constants.%.12, element0 [template = constants.%Convert.4]
    185. 

  185. // CHECK:STDOUT:   %.loc23_32.2: <bound method> = bound_method %.loc23_26.4, %.loc23_32.1
    186. 

  186. // CHECK:STDOUT:   %.loc23_26.5: ref %X = temporary %.loc23_26.3, %.loc23_26.4
    187. 

  187. // CHECK:STDOUT:   %.loc23_26.6: %X = bind_value %.loc23_26.5
    188. 

  188. // CHECK:STDOUT:   %Convert.call.loc23_32: init i32 = call %.loc23_32.2(%.loc23_26.6)
    189. 

  189. // CHECK:STDOUT:   %.loc23_32.3: i32 = value_of_initializer %Convert.call.loc23_32
    190. 

  190. // CHECK:STDOUT:   %.loc23_32.4: i32 = converted %.loc23_26.4, %.loc23_32.3
    191. 

  191. // CHECK:STDOUT:   %n: i32 = bind_name n, %.loc23_32.4
    192. 

  192. // CHECK:STDOUT:   return
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195.