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while
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fail_bad_condition.carbon

fail_bad_condition.carbon 8.1 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/while/fail_bad_condition.carbon
    8. 

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

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

  10. 

  11. fn While() {
    12. 

  12.   // CHECK:STDERR: fail_bad_condition.carbon:[[@LINE+6]]:9: error: cannot implicitly convert from `String` to `bool`
    13. 

  13.   // CHECK:STDERR:   while ("Hello") {}
    14. 

  14.   // CHECK:STDERR:         ^~~~~~~~~
    15. 

  15.   // CHECK:STDERR: fail_bad_condition.carbon:[[@LINE+3]]:9: note: type `String` does not implement interface `ImplicitAs`
    16. 

  16.   // CHECK:STDERR:   while ("Hello") {}
    17. 

  17.   // CHECK:STDERR:         ^~~~~~~~~
    18. 

  18.   while ("Hello") {}
    19. 

  19. }
    20. 

  20. 

  21. // CHECK:STDOUT: --- fail_bad_condition.carbon
    22. 

  22. // CHECK:STDOUT:
    23. 

  23. // CHECK:STDOUT: constants {
    24. 

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

  25. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    26. 

  26. // CHECK:STDOUT:   %While: %While.type = struct_value () [template]
    27. 

  27. // CHECK:STDOUT:   %.2: type = ptr_type String [template]
    28. 

  28. // CHECK:STDOUT:   %.3: String = string_literal "Hello" [template]
    29. 

  29. // CHECK:STDOUT:   %ImplicitAs.type: type = generic_interface_type @ImplicitAs [template]
    30. 

  30. // CHECK:STDOUT:   %ImplicitAs: %ImplicitAs.type = struct_value () [template]
    31. 

  31. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest 0 [symbolic]
    32. 

  32. // CHECK:STDOUT:   %.4: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic]
    33. 

  33. // CHECK:STDOUT:   %Self.1: @ImplicitAs.%.1 (%.4) = bind_symbolic_name Self 1 [symbolic]
    34. 

  34. // CHECK:STDOUT:   %Self.2: %.4 = bind_symbolic_name Self 1 [symbolic]
    35. 

  35. // CHECK:STDOUT:   %Convert.type.1: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic]
    36. 

  36. // CHECK:STDOUT:   %Convert.1: %Convert.type.1 = struct_value () [symbolic]
    37. 

  37. // CHECK:STDOUT:   %.5: type = assoc_entity_type %.4, %Convert.type.1 [symbolic]
    38. 

  38. // CHECK:STDOUT:   %.6: %.5 = assoc_entity element0, imports.%import_ref.5 [symbolic]
    39. 

  39. // CHECK:STDOUT:   %.7: type = interface_type @ImplicitAs, @ImplicitAs(bool) [template]
    40. 

  40. // CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert, @ImplicitAs(bool) [template]
    41. 

  41. // CHECK:STDOUT:   %Convert.2: %Convert.type.2 = struct_value () [template]
    42. 

  42. // CHECK:STDOUT:   %.8: type = assoc_entity_type %.7, %Convert.type.2 [template]
    43. 

  43. // CHECK:STDOUT:   %.9: %.8 = assoc_entity element0, imports.%import_ref.5 [template]
    44. 

  44. // CHECK:STDOUT:   %.10: %.5 = assoc_entity element0, imports.%import_ref.6 [symbolic]
    45. 

  45. // CHECK:STDOUT: }
    46. 

  46. // CHECK:STDOUT:
    47. 

  47. // CHECK:STDOUT: imports {
    48. 

  48. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    49. 

  49. // CHECK:STDOUT:     .ImplicitAs = %import_ref.1
    50. 

  50. // CHECK:STDOUT:     import Core//prelude
    51. 

  51. // CHECK:STDOUT:     import Core//prelude/operators
    52. 

  52. // CHECK:STDOUT:     import Core//prelude/types
    53. 

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

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

  55. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    56. 

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

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

  58. // CHECK:STDOUT:   }
    59. 

  59. // CHECK:STDOUT:   %import_ref.1: %ImplicitAs.type = import_ref Core//prelude/operators/as, inst+40, loaded [template = constants.%ImplicitAs]
    60. 

  60. // CHECK:STDOUT:   %import_ref.2 = import_ref Core//prelude/operators/as, inst+45, unloaded
    61. 

  61. // CHECK:STDOUT:   %import_ref.3: @ImplicitAs.%.2 (%.5) = import_ref Core//prelude/operators/as, inst+63, loaded [symbolic = @ImplicitAs.%.3 (constants.%.10)]
    62. 

  62. // CHECK:STDOUT:   %import_ref.4 = import_ref Core//prelude/operators/as, inst+56, unloaded
    63. 

  63. // CHECK:STDOUT:   %import_ref.5 = import_ref Core//prelude/operators/as, inst+56, unloaded
    64. 

  64. // CHECK:STDOUT:   %import_ref.6 = import_ref Core//prelude/operators/as, inst+56, unloaded
    65. 

  65. // CHECK:STDOUT: }
    66. 

  66. // CHECK:STDOUT:
    67. 

  67. // CHECK:STDOUT: file {
    68. 

  68. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    69. 

  69. // CHECK:STDOUT:     .Core = imports.%Core
    70. 

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

  71. // CHECK:STDOUT:   }
    72. 

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

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

  74. // CHECK:STDOUT: }
    75. 

  75. // CHECK:STDOUT:
    76. 

  76. // CHECK:STDOUT: generic interface @ImplicitAs(constants.%Dest: type) {
    77. 

  77. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest 0 [symbolic = %Dest (constants.%Dest)]
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: !definition:
    80. 

  80. // CHECK:STDOUT:   %.1: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %.1 (constants.%.4)]
    81. 

  81. // CHECK:STDOUT:   %Self: %.4 = bind_symbolic_name Self 1 [symbolic = %Self (constants.%Self.2)]
    82. 

  82. // CHECK:STDOUT:   %Convert.type: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic = %Convert.type (constants.%Convert.type.1)]
    83. 

  83. // CHECK:STDOUT:   %Convert: @ImplicitAs.%Convert.type (%Convert.type.1) = struct_value () [symbolic = %Convert (constants.%Convert.1)]
    84. 

  84. // CHECK:STDOUT:   %.2: type = assoc_entity_type @ImplicitAs.%.1 (%.4), @ImplicitAs.%Convert.type (%Convert.type.1) [symbolic = %.2 (constants.%.5)]
    85. 

  85. // CHECK:STDOUT:   %.3: @ImplicitAs.%.2 (%.5) = assoc_entity element0, imports.%import_ref.5 [symbolic = %.3 (constants.%.6)]
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT:   interface {
    88. 

  88. // CHECK:STDOUT:   !members:
    89. 

  89. // CHECK:STDOUT:     .Self = imports.%import_ref.2
    90. 

  90. // CHECK:STDOUT:     .Convert = imports.%import_ref.3
    91. 

  91. // CHECK:STDOUT:     witness = (imports.%import_ref.4)
    92. 

  92. // CHECK:STDOUT:   }
    93. 

  93. // CHECK:STDOUT: }
    94. 

  94. // CHECK:STDOUT:
    95. 

  95. // CHECK:STDOUT: fn @While() {
    96. 

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

  97. // CHECK:STDOUT:   br !while.cond
    98. 

  98. // CHECK:STDOUT:
    99. 

  99. // CHECK:STDOUT: !while.cond:
    100. 

  100. // CHECK:STDOUT:   %.loc18_10: String = string_literal "Hello" [template = constants.%.3]
    101. 

  101. // CHECK:STDOUT:   %.loc18_17.1: type = interface_type @ImplicitAs, @ImplicitAs(bool) [template = constants.%.7]
    102. 

  102. // CHECK:STDOUT:   %.loc18_17.2: %.8 = specific_constant imports.%import_ref.3, @ImplicitAs(bool) [template = constants.%.9]
    103. 

  103. // CHECK:STDOUT:   %Convert.ref: %.8 = name_ref Convert, %.loc18_17.2 [template = constants.%.9]
    104. 

  104. // CHECK:STDOUT:   %.loc18_17.3: bool = converted %.loc18_10, <error> [template = <error>]
    105. 

  105. // CHECK:STDOUT:   if <error> br !while.body else br !while.done
    106. 

  106. // CHECK:STDOUT:
    107. 

  107. // CHECK:STDOUT: !while.body:
    108. 

  108. // CHECK:STDOUT:   br !while.cond
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: !while.done:
    111. 

  111. // CHECK:STDOUT:   return
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: generic fn @Convert(constants.%Dest: type, constants.%Self.1: @ImplicitAs.%.1 (%.4)) {
    115. 

  115. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest 0 [symbolic = %Dest (constants.%Dest)]
    116. 

  116. // CHECK:STDOUT:   %.1: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %.1 (constants.%.4)]
    117. 

  117. // CHECK:STDOUT:   %Self: %.4 = bind_symbolic_name Self 1 [symbolic = %Self (constants.%Self.2)]
    118. 

  118. // CHECK:STDOUT:
    119. 

  119. // CHECK:STDOUT:   fn[%self: @Convert.%Self (%Self.2)]() -> @Convert.%Dest (%Dest);
    120. 

  120. // CHECK:STDOUT: }
    121. 

  121. // CHECK:STDOUT:
    122. 

  122. // CHECK:STDOUT: specific @ImplicitAs(constants.%Dest) {
    123. 

  123. // CHECK:STDOUT:   %Dest => constants.%Dest
    124. 

  124. // CHECK:STDOUT: }
    125. 

  125. // CHECK:STDOUT:
    126. 

  126. // CHECK:STDOUT: specific @ImplicitAs(@ImplicitAs.%Dest) {
    127. 

  127. // CHECK:STDOUT:   %Dest => constants.%Dest
    128. 

  128. // CHECK:STDOUT: }
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT: specific @ImplicitAs(@Convert.%Dest) {
    131. 

  131. // CHECK:STDOUT:   %Dest => constants.%Dest
    132. 

  132. // CHECK:STDOUT: }
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: specific @Convert(constants.%Dest, constants.%Self.1) {
    135. 

  135. // CHECK:STDOUT:   %Dest => constants.%Dest
    136. 

  136. // CHECK:STDOUT:   %.1 => constants.%.4
    137. 

  137. // CHECK:STDOUT:   %Self => constants.%Self.1
    138. 

  138. // CHECK:STDOUT: }
    139. 

  139. // CHECK:STDOUT:
    140. 

  140. // CHECK:STDOUT: specific @ImplicitAs(bool) {
    141. 

  141. // CHECK:STDOUT:   %Dest => bool
    142. 

  142. // CHECK:STDOUT:
    143. 

  143. // CHECK:STDOUT: !definition:
    144. 

  144. // CHECK:STDOUT:   %.1 => constants.%.7
    145. 

  145. // CHECK:STDOUT:   %Self => constants.%Self.2
    146. 

  146. // CHECK:STDOUT:   %Convert.type => constants.%Convert.type.2
    147. 

  147. // CHECK:STDOUT:   %Convert => constants.%Convert.2
    148. 

  148. // CHECK:STDOUT:   %.2 => constants.%.8
    149. 

  149. // CHECK:STDOUT:   %.3 => constants.%.9
    150. 

  150. // CHECK:STDOUT: }
    151. 

  151. // CHECK:STDOUT:
    152.