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method.carbon

method.carbon 9.0 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 Class {
    8. 

  8.   fn F[self: Class]() -> i32;
    9. 

  9.   fn G[addr self: Class*]() -> i32;
    10. 

  10. 

  11.   var k: i32;
    12. 

  12. }
    13. 

  13. 

  14. fn Class.F[self: Class]() -> i32 {
    15. 

  15.   return self.k;
    16. 

  16. }
    17. 

  17. 

  18. fn Call(c: Class) -> i32 {
    19. 

  19.   // TODO: The sem-ir for this call doesn't distinguish the `self` argument from
    20. 

  20.   // the explicit arguments.
    21. 

  21.   return c.F();
    22. 

  22. }
    23. 

  23. 

  24. fn CallOnConstBoundMethod() -> i32 {
    25. 

  25.   return ({.k = 1} as Class).F();
    26. 

  26. }
    27. 

  27. 

  28. fn CallWithAddr() -> i32 {
    29. 

  29.   var c: Class;
    30. 

  30.   return c.G();
    31. 

  31. }
    32. 

  32. 

  33. fn CallFThroughPointer(p: Class*) -> i32 {
    34. 

  34.   return (*p).F();
    35. 

  35. }
    36. 

  36. 

  37. fn CallGThroughPointer(p: Class*) -> i32 {
    38. 

  38.   return (*p).G();
    39. 

  39. }
    40. 

  40. 

  41. fn Make() -> Class;
    42. 

  42. 

  43. fn CallFOnInitializingExpr() -> i32 {
    44. 

  44.   return Make().F();
    45. 

  45. }
    46. 

  46. 

  47. fn CallGOnInitializingExpr() -> i32 {
    48. 

  48.   return Make().G();
    49. 

  49. }
    50. 

  50. 

  51. // CHECK:STDOUT: --- method.carbon
    52. 

  52. // CHECK:STDOUT:
    53. 

  53. // CHECK:STDOUT: constants {
    54. 

  54. // CHECK:STDOUT:   %Class: type = class_type @Class [template]
    55. 

  55. // CHECK:STDOUT:   %.1: type = ptr_type Class [template]
    56. 

  56. // CHECK:STDOUT:   %.2: type = unbound_element_type Class, i32 [template]
    57. 

  57. // CHECK:STDOUT:   %.3: type = struct_type {.k: i32} [template]
    58. 

  58. // CHECK:STDOUT:   %.4: type = ptr_type {.k: i32} [template]
    59. 

  59. // CHECK:STDOUT:   %.5: i32 = int_literal 1 [template]
    60. 

  60. // CHECK:STDOUT:   %.6: Class = struct_value (%.5) [template]
    61. 

  61. // CHECK:STDOUT: }
    62. 

  62. // CHECK:STDOUT:
    63. 

  63. // CHECK:STDOUT: file {
    64. 

  64. // CHECK:STDOUT:   package: <namespace> = namespace {.Class = %Class.decl, .Call = %Call, .CallOnConstBoundMethod = %CallOnConstBoundMethod, .CallWithAddr = %CallWithAddr, .CallFThroughPointer = %CallFThroughPointer, .CallGThroughPointer = %CallGThroughPointer, .Make = %Make, .CallFOnInitializingExpr = %CallFOnInitializingExpr, .CallGOnInitializingExpr = %CallGOnInitializingExpr} [template]
    65. 

  65. // CHECK:STDOUT:   %Class.decl = class_decl @Class, ()
    66. 

  66. // CHECK:STDOUT:   %F: <function> = fn_decl @F [template]
    67. 

  67. // CHECK:STDOUT:   %Call: <function> = fn_decl @Call [template]
    68. 

  68. // CHECK:STDOUT:   %CallOnConstBoundMethod: <function> = fn_decl @CallOnConstBoundMethod [template]
    69. 

  69. // CHECK:STDOUT:   %CallWithAddr: <function> = fn_decl @CallWithAddr [template]
    70. 

  70. // CHECK:STDOUT:   %CallFThroughPointer: <function> = fn_decl @CallFThroughPointer [template]
    71. 

  71. // CHECK:STDOUT:   %CallGThroughPointer: <function> = fn_decl @CallGThroughPointer [template]
    72. 

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

  73. // CHECK:STDOUT:   %CallFOnInitializingExpr: <function> = fn_decl @CallFOnInitializingExpr [template]
    74. 

  74. // CHECK:STDOUT:   %CallGOnInitializingExpr: <function> = fn_decl @CallGOnInitializingExpr [template]
    75. 

  75. // CHECK:STDOUT: }
    76. 

  76. // CHECK:STDOUT:
    77. 

  77. // CHECK:STDOUT: class @Class {
    78. 

  78. // CHECK:STDOUT:   %F: <function> = fn_decl @F [template]
    79. 

  79. // CHECK:STDOUT:   %G: <function> = fn_decl @G [template]
    80. 

  80. // CHECK:STDOUT:   %.loc11: <unbound element of class Class> = field_decl k, element0 [template]
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: !members:
    83. 

  83. // CHECK:STDOUT:   .F = %F
    84. 

  84. // CHECK:STDOUT:   .G = %G
    85. 

  85. // CHECK:STDOUT:   .k = %.loc11
    86. 

  86. // CHECK:STDOUT: }
    87. 

  87. // CHECK:STDOUT:
    88. 

  88. // CHECK:STDOUT: fn @F[%self: Class]() -> i32 {
    89. 

  89. // CHECK:STDOUT: !entry:
    90. 

  90. // CHECK:STDOUT:   %self.ref: Class = name_ref self, %self
    91. 

  91. // CHECK:STDOUT:   %.loc15_14.1: ref i32 = class_element_access %self.ref, element0
    92. 

  92. // CHECK:STDOUT:   %.loc15_14.2: i32 = bind_value %.loc15_14.1
    93. 

  93. // CHECK:STDOUT:   return %.loc15_14.2
    94. 

  94. // CHECK:STDOUT: }
    95. 

  95. // CHECK:STDOUT:
    96. 

  96. // CHECK:STDOUT: fn @G[addr %self: Class*]() -> i32;
    97. 

  97. // CHECK:STDOUT:
    98. 

  98. // CHECK:STDOUT: fn @Call(%c: Class) -> i32 {
    99. 

  99. // CHECK:STDOUT: !entry:
    100. 

  100. // CHECK:STDOUT:   %c.ref: Class = name_ref c, %c
    101. 

  101. // CHECK:STDOUT:   %.loc21_11: <bound method> = bound_method %c.ref, @Class.%F
    102. 

  102. // CHECK:STDOUT:   %.loc21_13.1: init i32 = call %.loc21_11(%c.ref)
    103. 

  103. // CHECK:STDOUT:   %.loc21_15: i32 = value_of_initializer %.loc21_13.1
    104. 

  104. // CHECK:STDOUT:   %.loc21_13.2: i32 = converted %.loc21_13.1, %.loc21_15
    105. 

  105. // CHECK:STDOUT:   return %.loc21_13.2
    106. 

  106. // CHECK:STDOUT: }
    107. 

  107. // CHECK:STDOUT:
    108. 

  108. // CHECK:STDOUT: fn @CallOnConstBoundMethod() -> i32 {
    109. 

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

  110. // CHECK:STDOUT:   %.loc25_17: i32 = int_literal 1 [template = constants.%.5]
    111. 

  111. // CHECK:STDOUT:   %.loc25_18.1: {.k: i32} = struct_literal (%.loc25_17)
    112. 

  112. // CHECK:STDOUT:   %Class.ref: type = name_ref Class, constants.%Class [template = constants.%Class]
    113. 

  113. // CHECK:STDOUT:   %.loc25_18.2: ref Class = temporary_storage
    114. 

  114. // CHECK:STDOUT:   %.loc25_18.3: ref i32 = class_element_access %.loc25_18.2, element0
    115. 

  115. // CHECK:STDOUT:   %.loc25_18.4: init i32 = initialize_from %.loc25_17 to %.loc25_18.3 [template = constants.%.5]
    116. 

  116. // CHECK:STDOUT:   %.loc25_18.5: init Class = class_init (%.loc25_18.4), %.loc25_18.2 [template = constants.%.6]
    117. 

  117. // CHECK:STDOUT:   %.loc25_18.6: ref Class = temporary %.loc25_18.2, %.loc25_18.5
    118. 

  118. // CHECK:STDOUT:   %.loc25_18.7: ref Class = converted %.loc25_18.1, %.loc25_18.6
    119. 

  119. // CHECK:STDOUT:   %.loc25_29: <bound method> = bound_method %.loc25_18.7, @Class.%F
    120. 

  120. // CHECK:STDOUT:   %.loc25_18.8: Class = bind_value %.loc25_18.7
    121. 

  121. // CHECK:STDOUT:   %.loc25_31.1: init i32 = call %.loc25_29(%.loc25_18.8)
    122. 

  122. // CHECK:STDOUT:   %.loc25_33: i32 = value_of_initializer %.loc25_31.1
    123. 

  123. // CHECK:STDOUT:   %.loc25_31.2: i32 = converted %.loc25_31.1, %.loc25_33
    124. 

  124. // CHECK:STDOUT:   return %.loc25_31.2
    125. 

  125. // CHECK:STDOUT: }
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: fn @CallWithAddr() -> i32 {
    128. 

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

  129. // CHECK:STDOUT:   %Class.ref: type = name_ref Class, constants.%Class [template = constants.%Class]
    130. 

  130. // CHECK:STDOUT:   %c.var: ref Class = var c
    131. 

  131. // CHECK:STDOUT:   %c: ref Class = bind_name c, %c.var
    132. 

  132. // CHECK:STDOUT:   %c.ref: ref Class = name_ref c, %c
    133. 

  133. // CHECK:STDOUT:   %.loc30_11: <bound method> = bound_method %c.ref, @Class.%G
    134. 

  134. // CHECK:STDOUT:   %.loc30_10: Class* = addr_of %c.ref
    135. 

  135. // CHECK:STDOUT:   %.loc30_13.1: init i32 = call %.loc30_11(%.loc30_10)
    136. 

  136. // CHECK:STDOUT:   %.loc30_15: i32 = value_of_initializer %.loc30_13.1
    137. 

  137. // CHECK:STDOUT:   %.loc30_13.2: i32 = converted %.loc30_13.1, %.loc30_15
    138. 

  138. // CHECK:STDOUT:   return %.loc30_13.2
    139. 

  139. // CHECK:STDOUT: }
    140. 

  140. // CHECK:STDOUT:
    141. 

  141. // CHECK:STDOUT: fn @CallFThroughPointer(%p: Class*) -> i32 {
    142. 

  142. // CHECK:STDOUT: !entry:
    143. 

  143. // CHECK:STDOUT:   %p.ref: Class* = name_ref p, %p
    144. 

  144. // CHECK:STDOUT:   %.loc34_11.1: ref Class = deref %p.ref
    145. 

  145. // CHECK:STDOUT:   %.loc34_14: <bound method> = bound_method %.loc34_11.1, @Class.%F
    146. 

  146. // CHECK:STDOUT:   %.loc34_11.2: Class = bind_value %.loc34_11.1
    147. 

  147. // CHECK:STDOUT:   %.loc34_16.1: init i32 = call %.loc34_14(%.loc34_11.2)
    148. 

  148. // CHECK:STDOUT:   %.loc34_18: i32 = value_of_initializer %.loc34_16.1
    149. 

  149. // CHECK:STDOUT:   %.loc34_16.2: i32 = converted %.loc34_16.1, %.loc34_18
    150. 

  150. // CHECK:STDOUT:   return %.loc34_16.2
    151. 

  151. // CHECK:STDOUT: }
    152. 

  152. // CHECK:STDOUT:
    153. 

  153. // CHECK:STDOUT: fn @CallGThroughPointer(%p: Class*) -> i32 {
    154. 

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

  155. // CHECK:STDOUT:   %p.ref: Class* = name_ref p, %p
    156. 

  156. // CHECK:STDOUT:   %.loc38_11.1: ref Class = deref %p.ref
    157. 

  157. // CHECK:STDOUT:   %.loc38_14: <bound method> = bound_method %.loc38_11.1, @Class.%G
    158. 

  158. // CHECK:STDOUT:   %.loc38_11.2: Class* = addr_of %.loc38_11.1
    159. 

  159. // CHECK:STDOUT:   %.loc38_16.1: init i32 = call %.loc38_14(%.loc38_11.2)
    160. 

  160. // CHECK:STDOUT:   %.loc38_18: i32 = value_of_initializer %.loc38_16.1
    161. 

  161. // CHECK:STDOUT:   %.loc38_16.2: i32 = converted %.loc38_16.1, %.loc38_18
    162. 

  162. // CHECK:STDOUT:   return %.loc38_16.2
    163. 

  163. // CHECK:STDOUT: }
    164. 

  164. // CHECK:STDOUT:
    165. 

  165. // CHECK:STDOUT: fn @Make() -> %return: Class;
    166. 

  166. // CHECK:STDOUT:
    167. 

  167. // CHECK:STDOUT: fn @CallFOnInitializingExpr() -> i32 {
    168. 

  168. // CHECK:STDOUT: !entry:
    169. 

  169. // CHECK:STDOUT:   %Make.ref: <function> = name_ref Make, file.%Make [template = file.%Make]
    170. 

  170. // CHECK:STDOUT:   %.loc44_14.1: ref Class = temporary_storage
    171. 

  171. // CHECK:STDOUT:   %.loc44_14.2: init Class = call %Make.ref() to %.loc44_14.1
    172. 

  172. // CHECK:STDOUT:   %.loc44_14.3: ref Class = temporary %.loc44_14.1, %.loc44_14.2
    173. 

  173. // CHECK:STDOUT:   %.loc44_16: <bound method> = bound_method %.loc44_14.3, @Class.%F
    174. 

  174. // CHECK:STDOUT:   %.loc44_14.4: Class = bind_value %.loc44_14.3
    175. 

  175. // CHECK:STDOUT:   %.loc44_18.1: init i32 = call %.loc44_16(%.loc44_14.4)
    176. 

  176. // CHECK:STDOUT:   %.loc44_20: i32 = value_of_initializer %.loc44_18.1
    177. 

  177. // CHECK:STDOUT:   %.loc44_18.2: i32 = converted %.loc44_18.1, %.loc44_20
    178. 

  178. // CHECK:STDOUT:   return %.loc44_18.2
    179. 

  179. // CHECK:STDOUT: }
    180. 

  180. // CHECK:STDOUT:
    181. 

  181. // CHECK:STDOUT: fn @CallGOnInitializingExpr() -> i32 {
    182. 

  182. // CHECK:STDOUT: !entry:
    183. 

  183. // CHECK:STDOUT:   %Make.ref: <function> = name_ref Make, file.%Make [template = file.%Make]
    184. 

  184. // CHECK:STDOUT:   %.loc48_14.1: ref Class = temporary_storage
    185. 

  185. // CHECK:STDOUT:   %.loc48_14.2: init Class = call %Make.ref() to %.loc48_14.1
    186. 

  186. // CHECK:STDOUT:   %.loc48_14.3: ref Class = temporary %.loc48_14.1, %.loc48_14.2
    187. 

  187. // CHECK:STDOUT:   %.loc48_16: <bound method> = bound_method %.loc48_14.3, @Class.%G
    188. 

  188. // CHECK:STDOUT:   %.loc48_14.4: Class* = addr_of %.loc48_14.3
    189. 

  189. // CHECK:STDOUT:   %.loc48_18.1: init i32 = call %.loc48_16(%.loc48_14.4)
    190. 

  190. // CHECK:STDOUT:   %.loc48_20: i32 = value_of_initializer %.loc48_18.1
    191. 

  191. // CHECK:STDOUT:   %.loc48_18.2: i32 = converted %.loc48_18.1, %.loc48_20
    192. 

  192. // CHECK:STDOUT:   return %.loc48_18.2
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195.