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function_param.carbon

function_param.carbon 12 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/array/function_param.carbon
    8. 

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

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

  10. 

  11. fn F(arr: [i32; 3], i: i32) -> i32 {
    12. 

  12.   return arr[i];
    13. 

  13. }
    14. 

  14. 

  15. fn G() -> i32 {
    16. 

  16.   return F((1, 2, 3), 1);
    17. 

  17. }
    18. 

  18. 

  19. // CHECK:STDOUT: --- function_param.carbon
    20. 

  20. // CHECK:STDOUT:
    21. 

  21. // CHECK:STDOUT: constants {
    22. 

  22. // CHECK:STDOUT:   %.1: Core.IntLiteral = int_value 32 [template]
    23. 

  23. // CHECK:STDOUT:   %Int.type: type = fn_type @Int [template]
    24. 

  24. // CHECK:STDOUT:   %Int: %Int.type = struct_value () [template]
    25. 

  25. // CHECK:STDOUT:   %i32: type = int_type signed, %.1 [template]
    26. 

  26. // CHECK:STDOUT:   %.2: Core.IntLiteral = int_value 3 [template]
    27. 

  27. // CHECK:STDOUT:   %.3: type = array_type %.2, %i32 [template]
    28. 

  28. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    29. 

  29. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    30. 

  30. // CHECK:STDOUT:   %G.type: type = fn_type @G [template]
    31. 

  31. // CHECK:STDOUT:   %G: %G.type = struct_value () [template]
    32. 

  32. // CHECK:STDOUT:   %.5: Core.IntLiteral = int_value 1 [template]
    33. 

  33. // CHECK:STDOUT:   %.6: Core.IntLiteral = int_value 2 [template]
    34. 

  34. // CHECK:STDOUT:   %tuple.type: type = tuple_type (Core.IntLiteral, Core.IntLiteral, Core.IntLiteral) [template]
    35. 

  35. // CHECK:STDOUT:   %.7: Core.IntLiteral = int_value 0 [template]
    36. 

  36. // CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    37. 

  37. // CHECK:STDOUT:   %Convert.type.14: type = fn_type @Convert.2, @impl.1(%.1) [template]
    38. 

  38. // CHECK:STDOUT:   %Convert.14: %Convert.type.14 = struct_value () [template]
    39. 

  39. // CHECK:STDOUT:   %.31: <witness> = interface_witness (%Convert.14) [template]
    40. 

  40. // CHECK:STDOUT:   %.32: <bound method> = bound_method %.5, %Convert.14 [template]
    41. 

  41. // CHECK:STDOUT:   %.33: <specific function> = specific_function %.32, @Convert.2(%.1) [template]
    42. 

  42. // CHECK:STDOUT:   %.34: %i32 = int_value 1 [template]
    43. 

  43. // CHECK:STDOUT:   %.35: <bound method> = bound_method %.6, %Convert.14 [template]
    44. 

  44. // CHECK:STDOUT:   %.36: <specific function> = specific_function %.35, @Convert.2(%.1) [template]
    45. 

  45. // CHECK:STDOUT:   %.37: %i32 = int_value 2 [template]
    46. 

  46. // CHECK:STDOUT:   %.38: <bound method> = bound_method %.2, %Convert.14 [template]
    47. 

  47. // CHECK:STDOUT:   %.39: <specific function> = specific_function %.38, @Convert.2(%.1) [template]
    48. 

  48. // CHECK:STDOUT:   %.40: %i32 = int_value 3 [template]
    49. 

  49. // CHECK:STDOUT:   %array: %.3 = tuple_value (%.34, %.37, %.40) [template]
    50. 

  50. // CHECK:STDOUT: }
    51. 

  51. // CHECK:STDOUT:
    52. 

  52. // CHECK:STDOUT: imports {
    53. 

  53. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    54. 

  54. // CHECK:STDOUT:     .Int = %import_ref.1
    55. 

  55. // CHECK:STDOUT:     .ImplicitAs = %import_ref.2
    56. 

  56. // CHECK:STDOUT:     import Core//prelude
    57. 

  57. // CHECK:STDOUT:     import Core//prelude/...
    58. 

  58. // CHECK:STDOUT:   }
    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 = imports.%Core
    64. 

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

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

  66. // CHECK:STDOUT:   }
    67. 

  67. // CHECK:STDOUT:   %Core.import = import Core
    68. 

  68. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
    69. 

  69. // CHECK:STDOUT:     %arr.patt: %.3 = binding_pattern arr
    70. 

  70. // CHECK:STDOUT:     %arr.param_patt: %.3 = value_param_pattern %arr.patt, runtime_param0
    71. 

  71. // CHECK:STDOUT:     %i.patt: %i32 = binding_pattern i
    72. 

  72. // CHECK:STDOUT:     %i.param_patt: %i32 = value_param_pattern %i.patt, runtime_param1
    73. 

  73. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    74. 

  74. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param2
    75. 

  75. // CHECK:STDOUT:   } {
    76. 

  76. // CHECK:STDOUT:     %.loc11_12.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    77. 

  77. // CHECK:STDOUT:     %int.make_type_signed.loc11_12: init type = call constants.%Int(%.loc11_12.1) [template = constants.%i32]
    78. 

  78. // CHECK:STDOUT:     %.loc11_17: Core.IntLiteral = int_value 3 [template = constants.%.2]
    79. 

  79. // CHECK:STDOUT:     %.loc11_12.2: type = value_of_initializer %int.make_type_signed.loc11_12 [template = constants.%i32]
    80. 

  80. // CHECK:STDOUT:     %.loc11_12.3: type = converted %int.make_type_signed.loc11_12, %.loc11_12.2 [template = constants.%i32]
    81. 

  81. // CHECK:STDOUT:     %.loc11_18: type = array_type %.loc11_17, %i32 [template = constants.%.3]
    82. 

  82. // CHECK:STDOUT:     %.loc11_24.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    83. 

  83. // CHECK:STDOUT:     %int.make_type_signed.loc11_24: init type = call constants.%Int(%.loc11_24.1) [template = constants.%i32]
    84. 

  84. // CHECK:STDOUT:     %.loc11_24.2: type = value_of_initializer %int.make_type_signed.loc11_24 [template = constants.%i32]
    85. 

  85. // CHECK:STDOUT:     %.loc11_24.3: type = converted %int.make_type_signed.loc11_24, %.loc11_24.2 [template = constants.%i32]
    86. 

  86. // CHECK:STDOUT:     %.loc11_32.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    87. 

  87. // CHECK:STDOUT:     %int.make_type_signed.loc11_32: init type = call constants.%Int(%.loc11_32.1) [template = constants.%i32]
    88. 

  88. // CHECK:STDOUT:     %.loc11_32.2: type = value_of_initializer %int.make_type_signed.loc11_32 [template = constants.%i32]
    89. 

  89. // CHECK:STDOUT:     %.loc11_32.3: type = converted %int.make_type_signed.loc11_32, %.loc11_32.2 [template = constants.%i32]
    90. 

  90. // CHECK:STDOUT:     %arr.param: %.3 = value_param runtime_param0
    91. 

  91. // CHECK:STDOUT:     %arr: %.3 = bind_name arr, %arr.param
    92. 

  92. // CHECK:STDOUT:     %i.param: %i32 = value_param runtime_param1
    93. 

  93. // CHECK:STDOUT:     %i: %i32 = bind_name i, %i.param
    94. 

  94. // CHECK:STDOUT:     %return.param: ref %i32 = out_param runtime_param2
    95. 

  95. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    96. 

  96. // CHECK:STDOUT:   }
    97. 

  97. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
    98. 

  98. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    99. 

  99. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
    100. 

  100. // CHECK:STDOUT:   } {
    101. 

  101. // CHECK:STDOUT:     %.loc15_11.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    102. 

  102. // CHECK:STDOUT:     %int.make_type_signed: init type = call constants.%Int(%.loc15_11.1) [template = constants.%i32]
    103. 

  103. // CHECK:STDOUT:     %.loc15_11.2: type = value_of_initializer %int.make_type_signed [template = constants.%i32]
    104. 

  104. // CHECK:STDOUT:     %.loc15_11.3: type = converted %int.make_type_signed, %.loc15_11.2 [template = constants.%i32]
    105. 

  105. // CHECK:STDOUT:     %return.param: ref %i32 = out_param runtime_param0
    106. 

  106. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    107. 

  107. // CHECK:STDOUT:   }
    108. 

  108. // CHECK:STDOUT: }
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: fn @F(%arr.param_patt: %.3, %i.param_patt: %i32) -> %i32 {
    111. 

  111. // CHECK:STDOUT: !entry:
    112. 

  112. // CHECK:STDOUT:   %arr.ref: %.3 = name_ref arr, %arr
    113. 

  113. // CHECK:STDOUT:   %i.ref: %i32 = name_ref i, %i
    114. 

  114. // CHECK:STDOUT:   %.loc12_15.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    115. 

  115. // CHECK:STDOUT:   %int.make_type_signed.loc12: init type = call constants.%Int(%.loc12_15.1) [template = constants.%i32]
    116. 

  116. // CHECK:STDOUT:   %.loc12_15.2: type = value_of_initializer %int.make_type_signed.loc12 [template = constants.%i32]
    117. 

  117. // CHECK:STDOUT:   %.loc12_15.3: type = converted %int.make_type_signed.loc12, %.loc12_15.2 [template = constants.%i32]
    118. 

  118. // CHECK:STDOUT:   %.loc12_15.4: ref %.3 = value_as_ref %arr.ref
    119. 

  119. // CHECK:STDOUT:   %.loc12_15.5: ref %i32 = array_index %.loc12_15.4, %i.ref
    120. 

  120. // CHECK:STDOUT:   %.loc12_15.6: %i32 = bind_value %.loc12_15.5
    121. 

  121. // CHECK:STDOUT:   return %.loc12_15.6
    122. 

  122. // CHECK:STDOUT: }
    123. 

  123. // CHECK:STDOUT:
    124. 

  124. // CHECK:STDOUT: fn @G() -> %i32 {
    125. 

  125. // CHECK:STDOUT: !entry:
    126. 

  126. // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [template = constants.%F]
    127. 

  127. // CHECK:STDOUT:   %.loc16_13: Core.IntLiteral = int_value 1 [template = constants.%.5]
    128. 

  128. // CHECK:STDOUT:   %.loc16_16: Core.IntLiteral = int_value 2 [template = constants.%.6]
    129. 

  129. // CHECK:STDOUT:   %.loc16_19: Core.IntLiteral = int_value 3 [template = constants.%.2]
    130. 

  130. // CHECK:STDOUT:   %.loc16_20.1: %tuple.type = tuple_literal (%.loc16_13, %.loc16_16, %.loc16_19)
    131. 

  131. // CHECK:STDOUT:   %.loc16_23.1: Core.IntLiteral = int_value 1 [template = constants.%.5]
    132. 

  132. // CHECK:STDOUT:   %.loc16_20.2: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
    133. 

  133. // CHECK:STDOUT:   %.loc16_20.3: <bound method> = bound_method %.loc16_13, %.loc16_20.2 [template = constants.%.32]
    134. 

  134. // CHECK:STDOUT:   %.loc16_20.4: <specific function> = specific_function %.loc16_20.3, @Convert.2(constants.%.1) [template = constants.%.33]
    135. 

  135. // CHECK:STDOUT:   %int.convert_checked.loc16_20.1: init %i32 = call %.loc16_20.4(%.loc16_13) [template = constants.%.34]
    136. 

  136. // CHECK:STDOUT:   %.loc16_20.5: init %i32 = converted %.loc16_13, %int.convert_checked.loc16_20.1 [template = constants.%.34]
    137. 

  137. // CHECK:STDOUT:   %.loc16_20.6: ref %.3 = temporary_storage
    138. 

  138. // CHECK:STDOUT:   %.loc16_20.7: Core.IntLiteral = int_value 0 [template = constants.%.7]
    139. 

  139. // CHECK:STDOUT:   %.loc16_20.8: ref %i32 = array_index %.loc16_20.6, %.loc16_20.7
    140. 

  140. // CHECK:STDOUT:   %.loc16_20.9: init %i32 = initialize_from %.loc16_20.5 to %.loc16_20.8 [template = constants.%.34]
    141. 

  141. // CHECK:STDOUT:   %.loc16_20.10: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
    142. 

  142. // CHECK:STDOUT:   %.loc16_20.11: <bound method> = bound_method %.loc16_16, %.loc16_20.10 [template = constants.%.35]
    143. 

  143. // CHECK:STDOUT:   %.loc16_20.12: <specific function> = specific_function %.loc16_20.11, @Convert.2(constants.%.1) [template = constants.%.36]
    144. 

  144. // CHECK:STDOUT:   %int.convert_checked.loc16_20.2: init %i32 = call %.loc16_20.12(%.loc16_16) [template = constants.%.37]
    145. 

  145. // CHECK:STDOUT:   %.loc16_20.13: init %i32 = converted %.loc16_16, %int.convert_checked.loc16_20.2 [template = constants.%.37]
    146. 

  146. // CHECK:STDOUT:   %.loc16_20.14: Core.IntLiteral = int_value 1 [template = constants.%.5]
    147. 

  147. // CHECK:STDOUT:   %.loc16_20.15: ref %i32 = array_index %.loc16_20.6, %.loc16_20.14
    148. 

  148. // CHECK:STDOUT:   %.loc16_20.16: init %i32 = initialize_from %.loc16_20.13 to %.loc16_20.15 [template = constants.%.37]
    149. 

  149. // CHECK:STDOUT:   %.loc16_20.17: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
    150. 

  150. // CHECK:STDOUT:   %.loc16_20.18: <bound method> = bound_method %.loc16_19, %.loc16_20.17 [template = constants.%.38]
    151. 

  151. // CHECK:STDOUT:   %.loc16_20.19: <specific function> = specific_function %.loc16_20.18, @Convert.2(constants.%.1) [template = constants.%.39]
    152. 

  152. // CHECK:STDOUT:   %int.convert_checked.loc16_20.3: init %i32 = call %.loc16_20.19(%.loc16_19) [template = constants.%.40]
    153. 

  153. // CHECK:STDOUT:   %.loc16_20.20: init %i32 = converted %.loc16_19, %int.convert_checked.loc16_20.3 [template = constants.%.40]
    154. 

  154. // CHECK:STDOUT:   %.loc16_20.21: Core.IntLiteral = int_value 2 [template = constants.%.6]
    155. 

  155. // CHECK:STDOUT:   %.loc16_20.22: ref %i32 = array_index %.loc16_20.6, %.loc16_20.21
    156. 

  156. // CHECK:STDOUT:   %.loc16_20.23: init %i32 = initialize_from %.loc16_20.20 to %.loc16_20.22 [template = constants.%.40]
    157. 

  157. // CHECK:STDOUT:   %.loc16_20.24: init %.3 = array_init (%.loc16_20.9, %.loc16_20.16, %.loc16_20.23) to %.loc16_20.6 [template = constants.%array]
    158. 

  158. // CHECK:STDOUT:   %.loc16_20.25: init %.3 = converted %.loc16_20.1, %.loc16_20.24 [template = constants.%array]
    159. 

  159. // CHECK:STDOUT:   %.loc16_20.26: ref %.3 = temporary %.loc16_20.6, %.loc16_20.25
    160. 

  160. // CHECK:STDOUT:   %.loc16_20.27: %.3 = bind_value %.loc16_20.26
    161. 

  161. // CHECK:STDOUT:   %.loc16_23.2: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
    162. 

  162. // CHECK:STDOUT:   %.loc16_23.3: <bound method> = bound_method %.loc16_23.1, %.loc16_23.2 [template = constants.%.32]
    163. 

  163. // CHECK:STDOUT:   %.loc16_23.4: <specific function> = specific_function %.loc16_23.3, @Convert.2(constants.%.1) [template = constants.%.33]
    164. 

  164. // CHECK:STDOUT:   %int.convert_checked.loc16_23: init %i32 = call %.loc16_23.4(%.loc16_23.1) [template = constants.%.34]
    165. 

  165. // CHECK:STDOUT:   %.loc16_23.5: %i32 = value_of_initializer %int.convert_checked.loc16_23 [template = constants.%.34]
    166. 

  166. // CHECK:STDOUT:   %.loc16_23.6: %i32 = converted %.loc16_23.1, %.loc16_23.5 [template = constants.%.34]
    167. 

  167. // CHECK:STDOUT:   %F.call: init %i32 = call %F.ref(%.loc16_20.27, %.loc16_23.6)
    168. 

  168. // CHECK:STDOUT:   %.loc16_25.1: %i32 = value_of_initializer %F.call
    169. 

  169. // CHECK:STDOUT:   %.loc16_25.2: %i32 = converted %F.call, %.loc16_25.1
    170. 

  170. // CHECK:STDOUT:   return %.loc16_25.2
    171. 

  171. // CHECK:STDOUT: }
    172. 

  172. // CHECK:STDOUT:
    173.