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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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basics
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fail_numeric_literal_overflow.carbon

fail_numeric_literal_overflow.carbon 9.3 KB
История Исходник

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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/basics/fail_numeric_literal_overflow.carbon
    8. 

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

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

  10. 

  11. // CHECK:STDERR: fail_numeric_literal_overflow.carbon:[[@LINE+4]]:1: error: integer value 39999999999999999993 too large for type `i32` [IntTooLargeForType]
    12. 

  12. // CHECK:STDERR: let a: i32 = 39999999999999999993;
    13. 

  13. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    14. 

  14. // CHECK:STDERR:
    15. 

  15. let a: i32 = 39999999999999999993;
    16. 

  16. 

  17. // CHECK:STDERR: fail_numeric_literal_overflow.carbon:[[@LINE+4]]:1: error: integer value 2147483648 too large for type `i32` [IntTooLargeForType]
    18. 

  18. // CHECK:STDERR: let b: i32 = 2_147_483_648;
    19. 

  19. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
    20. 

  20. // CHECK:STDERR:
    21. 

  21. let b: i32 = 2_147_483_648;
    22. 

  22. 

  23. // CHECK:STDERR: fail_numeric_literal_overflow.carbon:[[@LINE+4]]:1: error: integer value 2147483648 too large for type `i32` [IntTooLargeForType]
    24. 

  24. // CHECK:STDERR: let c: i32 = 0x8000_0000;
    25. 

  25. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
    26. 

  26. // CHECK:STDERR:
    27. 

  27. let c: i32 = 0x8000_0000;
    28. 

  28. 

  29. // CHECK:STDERR: fail_numeric_literal_overflow.carbon:[[@LINE+4]]:14: error: real mantissa with value 399999999999999999930 does not fit in i64 [RealMantissaTooLargeForI64]
    30. 

  30. // CHECK:STDERR: let d: f64 = 39999999999999999993.0e3;
    31. 

  31. // CHECK:STDERR:              ^~~~~~~~~~~~~~~~~~~~~~~~
    32. 

  32. // CHECK:STDERR:
    33. 

  33. let d: f64 = 39999999999999999993.0e3;
    34. 

  34. 

  35. // CHECK:STDERR: fail_numeric_literal_overflow.carbon:[[@LINE+3]]:14: error: real exponent with value 39999999999999999992 does not fit in i64 [RealExponentTooLargeForI64]
    36. 

  36. // CHECK:STDERR: let e: f64 = 5.0e39999999999999999993;
    37. 

  37. // CHECK:STDERR:              ^~~~~~~~~~~~~~~~~~~~~~~~
    38. 

  38. let e: f64 = 5.0e39999999999999999993;
    39. 

  39. 

  40. // CHECK:STDOUT: --- fail_numeric_literal_overflow.carbon
    41. 

  41. // CHECK:STDOUT:
    42. 

  42. // CHECK:STDOUT: constants {
    43. 

  43. // CHECK:STDOUT:   %.1: Core.IntLiteral = int_value 32 [template]
    44. 

  44. // CHECK:STDOUT:   %Int.type: type = fn_type @Int [template]
    45. 

  45. // CHECK:STDOUT:   %Int: %Int.type = struct_value () [template]
    46. 

  46. // CHECK:STDOUT:   %i32: type = int_type signed, %.1 [template]
    47. 

  47. // CHECK:STDOUT:   %.2: Core.IntLiteral = int_value 39999999999999999993 [template]
    48. 

  48. // CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    49. 

  49. // CHECK:STDOUT:   %Convert.type.14: type = fn_type @Convert.2, @impl.1(%.1) [template]
    50. 

  50. // CHECK:STDOUT:   %Convert.14: %Convert.type.14 = struct_value () [template]
    51. 

  51. // CHECK:STDOUT:   %.26: <witness> = interface_witness (%Convert.14) [template]
    52. 

  52. // CHECK:STDOUT:   %.27: <bound method> = bound_method %.2, %Convert.14 [template]
    53. 

  53. // CHECK:STDOUT:   %.28: <specific function> = specific_function %.27, @Convert.2(%.1) [template]
    54. 

  54. // CHECK:STDOUT:   %.29: %i32 = int_value 39999999999999999993 [template]
    55. 

  55. // CHECK:STDOUT:   %.30: Core.IntLiteral = int_value 2147483648 [template]
    56. 

  56. // CHECK:STDOUT:   %.31: <bound method> = bound_method %.30, %Convert.14 [template]
    57. 

  57. // CHECK:STDOUT:   %.32: <specific function> = specific_function %.31, @Convert.2(%.1) [template]
    58. 

  58. // CHECK:STDOUT:   %.33: %i32 = int_value 2147483648 [template]
    59. 

  59. // CHECK:STDOUT:   %.34: Core.IntLiteral = int_value 64 [template]
    60. 

  60. // CHECK:STDOUT:   %Float.type: type = fn_type @Float [template]
    61. 

  61. // CHECK:STDOUT:   %Float: %Float.type = struct_value () [template]
    62. 

  62. // CHECK:STDOUT: }
    63. 

  63. // CHECK:STDOUT:
    64. 

  64. // CHECK:STDOUT: imports {
    65. 

  65. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    66. 

  66. // CHECK:STDOUT:     .Int = %import_ref.1
    67. 

  67. // CHECK:STDOUT:     .ImplicitAs = %import_ref.2
    68. 

  68. // CHECK:STDOUT:     .Float = %import_ref.38
    69. 

  69. // CHECK:STDOUT:     import Core//prelude
    70. 

  70. // CHECK:STDOUT:     import Core//prelude/...
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT: }
    73. 

  73. // CHECK:STDOUT:
    74. 

  74. // CHECK:STDOUT: file {
    75. 

  75. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    76. 

  76. // CHECK:STDOUT:     .Core = imports.%Core
    77. 

  77. // CHECK:STDOUT:     .a = @__global_init.%a
    78. 

  78. // CHECK:STDOUT:     .b = @__global_init.%b
    79. 

  79. // CHECK:STDOUT:     .c = @__global_init.%c
    80. 

  80. // CHECK:STDOUT:     .d = @__global_init.%d
    81. 

  81. // CHECK:STDOUT:     .e = @__global_init.%e
    82. 

  82. // CHECK:STDOUT:   }
    83. 

  83. // CHECK:STDOUT:   %Core.import = import Core
    84. 

  84. // CHECK:STDOUT:   %.loc15_8.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    85. 

  85. // CHECK:STDOUT:   %int.make_type_signed.loc15: init type = call constants.%Int(%.loc15_8.1) [template = constants.%i32]
    86. 

  86. // CHECK:STDOUT:   %.loc15_8.2: type = value_of_initializer %int.make_type_signed.loc15 [template = constants.%i32]
    87. 

  87. // CHECK:STDOUT:   %.loc15_8.3: type = converted %int.make_type_signed.loc15, %.loc15_8.2 [template = constants.%i32]
    88. 

  88. // CHECK:STDOUT:   %.loc21_8.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    89. 

  89. // CHECK:STDOUT:   %int.make_type_signed.loc21: init type = call constants.%Int(%.loc21_8.1) [template = constants.%i32]
    90. 

  90. // CHECK:STDOUT:   %.loc21_8.2: type = value_of_initializer %int.make_type_signed.loc21 [template = constants.%i32]
    91. 

  91. // CHECK:STDOUT:   %.loc21_8.3: type = converted %int.make_type_signed.loc21, %.loc21_8.2 [template = constants.%i32]
    92. 

  92. // CHECK:STDOUT:   %.loc27_8.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
    93. 

  93. // CHECK:STDOUT:   %int.make_type_signed.loc27: init type = call constants.%Int(%.loc27_8.1) [template = constants.%i32]
    94. 

  94. // CHECK:STDOUT:   %.loc27_8.2: type = value_of_initializer %int.make_type_signed.loc27 [template = constants.%i32]
    95. 

  95. // CHECK:STDOUT:   %.loc27_8.3: type = converted %int.make_type_signed.loc27, %.loc27_8.2 [template = constants.%i32]
    96. 

  96. // CHECK:STDOUT:   %.loc33_8.1: Core.IntLiteral = int_value 64 [template = constants.%.34]
    97. 

  97. // CHECK:STDOUT:   %float.make_type.loc33: init type = call constants.%Float(%.loc33_8.1) [template = f64]
    98. 

  98. // CHECK:STDOUT:   %.loc33_8.2: type = value_of_initializer %float.make_type.loc33 [template = f64]
    99. 

  99. // CHECK:STDOUT:   %.loc33_8.3: type = converted %float.make_type.loc33, %.loc33_8.2 [template = f64]
    100. 

  100. // CHECK:STDOUT:   %.loc38_8.1: Core.IntLiteral = int_value 64 [template = constants.%.34]
    101. 

  101. // CHECK:STDOUT:   %float.make_type.loc38: init type = call constants.%Float(%.loc38_8.1) [template = f64]
    102. 

  102. // CHECK:STDOUT:   %.loc38_8.2: type = value_of_initializer %float.make_type.loc38 [template = f64]
    103. 

  103. // CHECK:STDOUT:   %.loc38_8.3: type = converted %float.make_type.loc38, %.loc38_8.2 [template = f64]
    104. 

  104. // CHECK:STDOUT: }
    105. 

  105. // CHECK:STDOUT:
    106. 

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

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

  108. // CHECK:STDOUT:   %.loc15_14: Core.IntLiteral = int_value 39999999999999999993 [template = constants.%.2]
    109. 

  109. // CHECK:STDOUT:   %.loc15_34.1: %Convert.type.2 = interface_witness_access constants.%.26, element0 [template = constants.%Convert.14]
    110. 

  110. // CHECK:STDOUT:   %.loc15_34.2: <bound method> = bound_method %.loc15_14, %.loc15_34.1 [template = constants.%.27]
    111. 

  111. // CHECK:STDOUT:   %.loc15_34.3: <specific function> = specific_function %.loc15_34.2, @Convert.2(constants.%.1) [template = constants.%.28]
    112. 

  112. // CHECK:STDOUT:   %int.convert_checked.loc15: init %i32 = call %.loc15_34.3(%.loc15_14) [template = constants.%.29]
    113. 

  113. // CHECK:STDOUT:   %.loc15_34.4: %i32 = value_of_initializer %int.convert_checked.loc15 [template = constants.%.29]
    114. 

  114. // CHECK:STDOUT:   %.loc15_34.5: %i32 = converted %.loc15_14, %.loc15_34.4 [template = constants.%.29]
    115. 

  115. // CHECK:STDOUT:   %a: %i32 = bind_name a, %.loc15_34.5
    116. 

  116. // CHECK:STDOUT:   %.loc21_14: Core.IntLiteral = int_value 2147483648 [template = constants.%.30]
    117. 

  117. // CHECK:STDOUT:   %.loc21_27.1: %Convert.type.2 = interface_witness_access constants.%.26, element0 [template = constants.%Convert.14]
    118. 

  118. // CHECK:STDOUT:   %.loc21_27.2: <bound method> = bound_method %.loc21_14, %.loc21_27.1 [template = constants.%.31]
    119. 

  119. // CHECK:STDOUT:   %.loc21_27.3: <specific function> = specific_function %.loc21_27.2, @Convert.2(constants.%.1) [template = constants.%.32]
    120. 

  120. // CHECK:STDOUT:   %int.convert_checked.loc21: init %i32 = call %.loc21_27.3(%.loc21_14) [template = constants.%.33]
    121. 

  121. // CHECK:STDOUT:   %.loc21_27.4: %i32 = value_of_initializer %int.convert_checked.loc21 [template = constants.%.33]
    122. 

  122. // CHECK:STDOUT:   %.loc21_27.5: %i32 = converted %.loc21_14, %.loc21_27.4 [template = constants.%.33]
    123. 

  123. // CHECK:STDOUT:   %b: %i32 = bind_name b, %.loc21_27.5
    124. 

  124. // CHECK:STDOUT:   %.loc27_14: Core.IntLiteral = int_value 2147483648 [template = constants.%.30]
    125. 

  125. // CHECK:STDOUT:   %.loc27_25.1: %Convert.type.2 = interface_witness_access constants.%.26, element0 [template = constants.%Convert.14]
    126. 

  126. // CHECK:STDOUT:   %.loc27_25.2: <bound method> = bound_method %.loc27_14, %.loc27_25.1 [template = constants.%.31]
    127. 

  127. // CHECK:STDOUT:   %.loc27_25.3: <specific function> = specific_function %.loc27_25.2, @Convert.2(constants.%.1) [template = constants.%.32]
    128. 

  128. // CHECK:STDOUT:   %int.convert_checked.loc27: init %i32 = call %.loc27_25.3(%.loc27_14) [template = constants.%.33]
    129. 

  129. // CHECK:STDOUT:   %.loc27_25.4: %i32 = value_of_initializer %int.convert_checked.loc27 [template = constants.%.33]
    130. 

  130. // CHECK:STDOUT:   %.loc27_25.5: %i32 = converted %.loc27_14, %.loc27_25.4 [template = constants.%.33]
    131. 

  131. // CHECK:STDOUT:   %c: %i32 = bind_name c, %.loc27_25.5
    132. 

  132. // CHECK:STDOUT:   %d: f64 = bind_name d, <error>
    133. 

  133. // CHECK:STDOUT:   %e: f64 = bind_name e, <error>
    134. 

  134. // CHECK:STDOUT:   return
    135. 

  135. // CHECK:STDOUT: }
    136. 

  136. // CHECK:STDOUT:
    137.