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carbon-lang
/
toolchain
/
check
/
testdata
/
let
/
convert.carbon

convert.carbon 7.6 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/let/convert.carbon
    8. 

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

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

  10. 

  11. fn F() -> i32 {
    12. 

  12.   var v: (i32, i32, i32) = (1, 2, 3);
    13. 

  13.   // Convert from object representation to value representation.
    14. 

  14.   let w: (i32, i32, i32) = v;
    15. 

  15.   return w.1;
    16. 

  16. }
    17. 

  17. 

  18. // CHECK:STDOUT: --- convert.carbon
    19. 

  19. // CHECK:STDOUT:
    20. 

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

  21. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    22. 

  22. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    23. 

  23. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    24. 

  24. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    25. 

  25. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    26. 

  26. // CHECK:STDOUT:   %.2: type = tuple_type (type, type, type) [template]
    27. 

  27. // CHECK:STDOUT:   %.3: type = tuple_type (i32, i32, i32) [template]
    28. 

  28. // CHECK:STDOUT:   %.4: type = ptr_type %.3 [template]
    29. 

  29. // CHECK:STDOUT:   %.5: i32 = int_literal 1 [template]
    30. 

  30. // CHECK:STDOUT:   %.6: i32 = int_literal 2 [template]
    31. 

  31. // CHECK:STDOUT:   %.7: i32 = int_literal 3 [template]
    32. 

  32. // CHECK:STDOUT:   %tuple: %.3 = tuple_value (%.5, %.6, %.7) [template]
    33. 

  33. // CHECK:STDOUT: }
    34. 

  34. // CHECK:STDOUT:
    35. 

  35. // CHECK:STDOUT: imports {
    36. 

  36. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    37. 

  37. // CHECK:STDOUT:     .Int32 = %import_ref
    38. 

  38. // CHECK:STDOUT:     import Core//prelude
    39. 

  39. // CHECK:STDOUT:     import Core//prelude/operators
    40. 

  40. // CHECK:STDOUT:     import Core//prelude/types
    41. 

  41. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    42. 

  42. // CHECK:STDOUT:     import Core//prelude/operators/as
    43. 

  43. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    44. 

  44. // CHECK:STDOUT:     import Core//prelude/operators/comparison
    45. 

  45. // CHECK:STDOUT:     import Core//prelude/types/bool
    46. 

  46. // CHECK:STDOUT:   }
    47. 

  47. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
    48. 

  48. // CHECK:STDOUT: }
    49. 

  49. // CHECK:STDOUT:
    50. 

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

  51. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    52. 

  52. // CHECK:STDOUT:     .Core = imports.%Core
    53. 

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

  54. // CHECK:STDOUT:   }
    55. 

  55. // CHECK:STDOUT:   %Core.import = import Core
    56. 

  56. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {
    57. 

  57. // CHECK:STDOUT:     %int.make_type_32.loc11: init type = call constants.%Int32() [template = i32]
    58. 

  58. // CHECK:STDOUT:     %.loc11_11.1: type = value_of_initializer %int.make_type_32.loc11 [template = i32]
    59. 

  59. // CHECK:STDOUT:     %.loc11_11.2: type = converted %int.make_type_32.loc11, %.loc11_11.1 [template = i32]
    60. 

  60. // CHECK:STDOUT:     %return: ref i32 = var <return slot>
    61. 

  61. // CHECK:STDOUT:   }
    62. 

  62. // CHECK:STDOUT: }
    63. 

  63. // CHECK:STDOUT:
    64. 

  64. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: fn @F() -> i32 {
    67. 

  67. // CHECK:STDOUT: !entry:
    68. 

  68. // CHECK:STDOUT:   %int.make_type_32.loc12_11: init type = call constants.%Int32() [template = i32]
    69. 

  69. // CHECK:STDOUT:   %int.make_type_32.loc12_16: init type = call constants.%Int32() [template = i32]
    70. 

  70. // CHECK:STDOUT:   %int.make_type_32.loc12_21: init type = call constants.%Int32() [template = i32]
    71. 

  71. // CHECK:STDOUT:   %.loc12_24.1: %.2 = tuple_literal (%int.make_type_32.loc12_11, %int.make_type_32.loc12_16, %int.make_type_32.loc12_21)
    72. 

  72. // CHECK:STDOUT:   %.loc12_24.2: type = value_of_initializer %int.make_type_32.loc12_11 [template = i32]
    73. 

  73. // CHECK:STDOUT:   %.loc12_24.3: type = converted %int.make_type_32.loc12_11, %.loc12_24.2 [template = i32]
    74. 

  74. // CHECK:STDOUT:   %.loc12_24.4: type = value_of_initializer %int.make_type_32.loc12_16 [template = i32]
    75. 

  75. // CHECK:STDOUT:   %.loc12_24.5: type = converted %int.make_type_32.loc12_16, %.loc12_24.4 [template = i32]
    76. 

  76. // CHECK:STDOUT:   %.loc12_24.6: type = value_of_initializer %int.make_type_32.loc12_21 [template = i32]
    77. 

  77. // CHECK:STDOUT:   %.loc12_24.7: type = converted %int.make_type_32.loc12_21, %.loc12_24.6 [template = i32]
    78. 

  78. // CHECK:STDOUT:   %.loc12_24.8: type = converted %.loc12_24.1, constants.%.3 [template = constants.%.3]
    79. 

  79. // CHECK:STDOUT:   %v.var: ref %.3 = var v
    80. 

  80. // CHECK:STDOUT:   %v: ref %.3 = bind_name v, %v.var
    81. 

  81. // CHECK:STDOUT:   %.loc12_29: i32 = int_literal 1 [template = constants.%.5]
    82. 

  82. // CHECK:STDOUT:   %.loc12_32: i32 = int_literal 2 [template = constants.%.6]
    83. 

  83. // CHECK:STDOUT:   %.loc12_35: i32 = int_literal 3 [template = constants.%.7]
    84. 

  84. // CHECK:STDOUT:   %.loc12_36.1: %.3 = tuple_literal (%.loc12_29, %.loc12_32, %.loc12_35)
    85. 

  85. // CHECK:STDOUT:   %.loc12_36.2: ref i32 = tuple_access %v.var, element0
    86. 

  86. // CHECK:STDOUT:   %.loc12_36.3: init i32 = initialize_from %.loc12_29 to %.loc12_36.2 [template = constants.%.5]
    87. 

  87. // CHECK:STDOUT:   %.loc12_36.4: ref i32 = tuple_access %v.var, element1
    88. 

  88. // CHECK:STDOUT:   %.loc12_36.5: init i32 = initialize_from %.loc12_32 to %.loc12_36.4 [template = constants.%.6]
    89. 

  89. // CHECK:STDOUT:   %.loc12_36.6: ref i32 = tuple_access %v.var, element2
    90. 

  90. // CHECK:STDOUT:   %.loc12_36.7: init i32 = initialize_from %.loc12_35 to %.loc12_36.6 [template = constants.%.7]
    91. 

  91. // CHECK:STDOUT:   %.loc12_36.8: init %.3 = tuple_init (%.loc12_36.3, %.loc12_36.5, %.loc12_36.7) to %v.var [template = constants.%tuple]
    92. 

  92. // CHECK:STDOUT:   %.loc12_37: init %.3 = converted %.loc12_36.1, %.loc12_36.8 [template = constants.%tuple]
    93. 

  93. // CHECK:STDOUT:   assign %v.var, %.loc12_37
    94. 

  94. // CHECK:STDOUT:   %int.make_type_32.loc14_11: init type = call constants.%Int32() [template = i32]
    95. 

  95. // CHECK:STDOUT:   %int.make_type_32.loc14_16: init type = call constants.%Int32() [template = i32]
    96. 

  96. // CHECK:STDOUT:   %int.make_type_32.loc14_21: init type = call constants.%Int32() [template = i32]
    97. 

  97. // CHECK:STDOUT:   %.loc14_24.1: %.2 = tuple_literal (%int.make_type_32.loc14_11, %int.make_type_32.loc14_16, %int.make_type_32.loc14_21)
    98. 

  98. // CHECK:STDOUT:   %.loc14_24.2: type = value_of_initializer %int.make_type_32.loc14_11 [template = i32]
    99. 

  99. // CHECK:STDOUT:   %.loc14_24.3: type = converted %int.make_type_32.loc14_11, %.loc14_24.2 [template = i32]
    100. 

  100. // CHECK:STDOUT:   %.loc14_24.4: type = value_of_initializer %int.make_type_32.loc14_16 [template = i32]
    101. 

  101. // CHECK:STDOUT:   %.loc14_24.5: type = converted %int.make_type_32.loc14_16, %.loc14_24.4 [template = i32]
    102. 

  102. // CHECK:STDOUT:   %.loc14_24.6: type = value_of_initializer %int.make_type_32.loc14_21 [template = i32]
    103. 

  103. // CHECK:STDOUT:   %.loc14_24.7: type = converted %int.make_type_32.loc14_21, %.loc14_24.6 [template = i32]
    104. 

  104. // CHECK:STDOUT:   %.loc14_24.8: type = converted %.loc14_24.1, constants.%.3 [template = constants.%.3]
    105. 

  105. // CHECK:STDOUT:   %v.ref: ref %.3 = name_ref v, %v
    106. 

  106. // CHECK:STDOUT:   %.loc14_28.1: ref i32 = tuple_access %v.ref, element0
    107. 

  107. // CHECK:STDOUT:   %.loc14_28.2: i32 = bind_value %.loc14_28.1
    108. 

  108. // CHECK:STDOUT:   %.loc14_28.3: ref i32 = tuple_access %v.ref, element1
    109. 

  109. // CHECK:STDOUT:   %.loc14_28.4: i32 = bind_value %.loc14_28.3
    110. 

  110. // CHECK:STDOUT:   %.loc14_28.5: ref i32 = tuple_access %v.ref, element2
    111. 

  111. // CHECK:STDOUT:   %.loc14_28.6: i32 = bind_value %.loc14_28.5
    112. 

  112. // CHECK:STDOUT:   %tuple: %.3 = tuple_value (%.loc14_28.2, %.loc14_28.4, %.loc14_28.6)
    113. 

  113. // CHECK:STDOUT:   %.loc14_29: %.3 = converted %v.ref, %tuple
    114. 

  114. // CHECK:STDOUT:   %w: %.3 = bind_name w, %.loc14_29
    115. 

  115. // CHECK:STDOUT:   %w.ref: %.3 = name_ref w, %w
    116. 

  116. // CHECK:STDOUT:   %.loc15_12: i32 = int_literal 1 [template = constants.%.5]
    117. 

  117. // CHECK:STDOUT:   %.loc15_11: i32 = tuple_access %w.ref, element1
    118. 

  118. // CHECK:STDOUT:   return %.loc15_11
    119. 

  119. // CHECK:STDOUT: }
    120. 

  120. // CHECK:STDOUT:
    121.