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carbon-lang
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toolchain
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check
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testdata
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class
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fail_init_as_inplace.carbon

fail_init_as_inplace.carbon 6.8 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/class/fail_init_as_inplace.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/fail_init_as_inplace.carbon
    10. 

  10. 

  11. class Class {
    12. 

  12.   var a: i32;
    13. 

  13.   var b: i32;
    14. 

  14. }
    15. 

  15. 

  16. fn G(p: Class*);
    17. 

  17. 

  18. fn F() {
    19. 

  19.   // TODO: This case should presumably work: `{...} as Class` should be an
    20. 

  20.   // initializing expression, not a value expression.
    21. 

  21.   //
    22. 

  22.   // CHECK:STDERR: fail_init_as_inplace.carbon:[[@LINE+3]]:18: error: cannot copy value of type `Class`
    23. 

  23.   // CHECK:STDERR:   var c: Class = {.a = 1, .b = 2} as Class;
    24. 

  24.   // CHECK:STDERR:                  ^~~~~~~~~~~~~~~~~~~~~~~~~
    25. 

  25.   var c: Class = {.a = 1, .b = 2} as Class;
    26. 

  26.   G(&c);
    27. 

  27. }
    28. 

  28. 

  29. // CHECK:STDOUT: --- fail_init_as_inplace.carbon
    30. 

  30. // CHECK:STDOUT:
    31. 

  31. // CHECK:STDOUT: constants {
    32. 

  32. // CHECK:STDOUT:   %Class: type = class_type @Class [template]
    33. 

  33. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    34. 

  34. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    35. 

  35. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    36. 

  36. // CHECK:STDOUT:   %.2: type = unbound_element_type %Class, i32 [template]
    37. 

  37. // CHECK:STDOUT:   %.3: type = struct_type {.a: i32, .b: i32} [template]
    38. 

  38. // CHECK:STDOUT:   %.4: <witness> = complete_type_witness %.3 [template]
    39. 

  39. // CHECK:STDOUT:   %.5: type = ptr_type %Class [template]
    40. 

  40. // CHECK:STDOUT:   %G.type: type = fn_type @G [template]
    41. 

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

  42. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    43. 

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

  44. // CHECK:STDOUT:   %.6: type = ptr_type %.3 [template]
    45. 

  45. // CHECK:STDOUT:   %.7: i32 = int_literal 1 [template]
    46. 

  46. // CHECK:STDOUT:   %.8: i32 = int_literal 2 [template]
    47. 

  47. // CHECK:STDOUT:   %struct: %Class = struct_value (%.7, %.8) [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
    53. 

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

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

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

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

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

  58. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    59. 

  59. // CHECK:STDOUT:     import Core//prelude/operators/comparison
    60. 

  60. // CHECK:STDOUT:     import Core//prelude/types/bool
    61. 

  61. // CHECK:STDOUT:   }
    62. 

  62. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
    63. 

  63. // CHECK:STDOUT: }
    64. 

  64. // CHECK:STDOUT:
    65. 

  65. // CHECK:STDOUT: file {
    66. 

  66. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    67. 

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

  68. // CHECK:STDOUT:     .Class = %Class.decl
    69. 

  69. // CHECK:STDOUT:     .G = %G.decl
    70. 

  70. // CHECK:STDOUT:     .F = %F.decl
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %Core.import = import Core
    73. 

  73. // CHECK:STDOUT:   %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
    74. 

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

  75. // CHECK:STDOUT:     %p.patt: %.5 = binding_pattern p
    76. 

  76. // CHECK:STDOUT:   } {
    77. 

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

  78. // CHECK:STDOUT:     %.loc16: type = ptr_type %Class [template = constants.%.5]
    79. 

  79. // CHECK:STDOUT:     %p.param: %.5 = param p, runtime_param0
    80. 

  80. // CHECK:STDOUT:     %p: %.5 = bind_name p, %p.param
    81. 

  81. // CHECK:STDOUT:   }
    82. 

  82. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
    83. 

  83. // CHECK:STDOUT: }
    84. 

  84. // CHECK:STDOUT:
    85. 

  85. // CHECK:STDOUT: class @Class {
    86. 

  86. // CHECK:STDOUT:   %int.make_type_32.loc12: init type = call constants.%Int32() [template = i32]
    87. 

  87. // CHECK:STDOUT:   %.loc12_10.1: type = value_of_initializer %int.make_type_32.loc12 [template = i32]
    88. 

  88. // CHECK:STDOUT:   %.loc12_10.2: type = converted %int.make_type_32.loc12, %.loc12_10.1 [template = i32]
    89. 

  89. // CHECK:STDOUT:   %.loc12_8: %.2 = field_decl a, element0 [template]
    90. 

  90. // CHECK:STDOUT:   %int.make_type_32.loc13: init type = call constants.%Int32() [template = i32]
    91. 

  91. // CHECK:STDOUT:   %.loc13_10.1: type = value_of_initializer %int.make_type_32.loc13 [template = i32]
    92. 

  92. // CHECK:STDOUT:   %.loc13_10.2: type = converted %int.make_type_32.loc13, %.loc13_10.1 [template = i32]
    93. 

  93. // CHECK:STDOUT:   %.loc13_8: %.2 = field_decl b, element1 [template]
    94. 

  94. // CHECK:STDOUT:   %.loc14: <witness> = complete_type_witness %.3 [template = constants.%.4]
    95. 

  95. // CHECK:STDOUT:
    96. 

  96. // CHECK:STDOUT: !members:
    97. 

  97. // CHECK:STDOUT:   .Self = constants.%Class
    98. 

  98. // CHECK:STDOUT:   .a = %.loc12_8
    99. 

  99. // CHECK:STDOUT:   .b = %.loc13_8
    100. 

  100. // CHECK:STDOUT: }
    101. 

  101. // CHECK:STDOUT:
    102. 

  102. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    103. 

  103. // CHECK:STDOUT:
    104. 

  104. // CHECK:STDOUT: fn @G(%p: %.5);
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: fn @F() {
    107. 

  107. // CHECK:STDOUT: !entry:
    108. 

  108. // CHECK:STDOUT:   %Class.ref.loc25_10: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    109. 

  109. // CHECK:STDOUT:   %c.var: ref %Class = var c
    110. 

  110. // CHECK:STDOUT:   %c: ref %Class = bind_name c, %c.var
    111. 

  111. // CHECK:STDOUT:   %.loc25_24: i32 = int_literal 1 [template = constants.%.7]
    112. 

  112. // CHECK:STDOUT:   %.loc25_32: i32 = int_literal 2 [template = constants.%.8]
    113. 

  113. // CHECK:STDOUT:   %.loc25_33.1: %.3 = struct_literal (%.loc25_24, %.loc25_32)
    114. 

  114. // CHECK:STDOUT:   %Class.ref.loc25_38: type = name_ref Class, file.%Class.decl [template = constants.%Class]
    115. 

  115. // CHECK:STDOUT:   %.loc25_33.2: ref %Class = temporary_storage
    116. 

  116. // CHECK:STDOUT:   %.loc25_33.3: ref i32 = class_element_access %.loc25_33.2, element0
    117. 

  117. // CHECK:STDOUT:   %.loc25_33.4: init i32 = initialize_from %.loc25_24 to %.loc25_33.3 [template = constants.%.7]
    118. 

  118. // CHECK:STDOUT:   %.loc25_33.5: ref i32 = class_element_access %.loc25_33.2, element1
    119. 

  119. // CHECK:STDOUT:   %.loc25_33.6: init i32 = initialize_from %.loc25_32 to %.loc25_33.5 [template = constants.%.8]
    120. 

  120. // CHECK:STDOUT:   %.loc25_33.7: init %Class = class_init (%.loc25_33.4, %.loc25_33.6), %.loc25_33.2 [template = constants.%struct]
    121. 

  121. // CHECK:STDOUT:   %.loc25_33.8: ref %Class = temporary %.loc25_33.2, %.loc25_33.7
    122. 

  122. // CHECK:STDOUT:   %.loc25_35.1: ref %Class = converted %.loc25_33.1, %.loc25_33.8
    123. 

  123. // CHECK:STDOUT:   %.loc25_35.2: %Class = bind_value %.loc25_35.1
    124. 

  124. // CHECK:STDOUT:   assign %c.var, <error>
    125. 

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

  126. // CHECK:STDOUT:   %c.ref: ref %Class = name_ref c, %c
    127. 

  127. // CHECK:STDOUT:   %.loc26: %.5 = addr_of %c.ref
    128. 

  128. // CHECK:STDOUT:   %G.call: init %.1 = call %G.ref(%.loc26)
    129. 

  129. // CHECK:STDOUT:   return
    130. 

  130. // CHECK:STDOUT: }
    131. 

  131. // CHECK:STDOUT:
    132.