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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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function
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generic
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resolve_used.carbon

resolve_used.carbon 8.7 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/function/generic/resolve_used.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/generic/resolve_used.carbon
    10. 

  10. 

  11. // --- fail_todo_call_monomorphization_error.carbon
    12. 

  12. 

  13. library "[[@TEST_NAME]]";
    14. 

  14. 

  15. fn ErrorIfNIsZero(N:! Core.IntLiteral()) {
    16. 

  16.   // Check that we resolve the definition of a used specific function by
    17. 

  17.   // ensuring we produce an error when doing so. Notionally this error is
    18. 

  18.   // produced as a result of instantiating the `Core.Int` template, although
    19. 

  19.   // that's not how we currently model `Core.Int`.
    20. 

  20.   // CHECK:STDERR: fail_todo_call_monomorphization_error.carbon:[[@LINE+6]]:10: error: integer type width of 0 is not positive [IntWidthNotPositive]
    21. 

  21.   // CHECK:STDERR:   var v: Core.Int(N);
    22. 

  22.   // CHECK:STDERR:          ^~~~~~~~~~~
    23. 

  23.   // CHECK:STDERR: fail_todo_call_monomorphization_error.carbon:[[@LINE+3]]:10: note: in `i0` used here [ResolvingSpecificHere]
    24. 

  24.   // CHECK:STDERR:   var v: Core.Int(N);
    25. 

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

  26.   var v: Core.Int(N);
    27. 

  27. }
    28. 

  28. 

  29. fn CallNegative() {
    30. 

  30.   // CHECK:STDERR: fail_todo_call_monomorphization_error.carbon:[[@LINE+4]]:3: note: in `ErrorIfNIsZero(0)` used here [ResolvingSpecificHere]
    31. 

  31.   // CHECK:STDERR:   ErrorIfNIsZero(0);
    32. 

  32.   // CHECK:STDERR:   ^~~~~~~~~~~~~~
    33. 

  33.   // CHECK:STDERR:
    34. 

  34.   ErrorIfNIsZero(0);
    35. 

  35. }
    36. 

  36. 

  37. // CHECK:STDOUT: --- fail_todo_call_monomorphization_error.carbon
    38. 

  38. // CHECK:STDOUT:
    39. 

  39. // CHECK:STDOUT: constants {
    40. 

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

  41. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
    42. 

  42. // CHECK:STDOUT:   %IntLiteral: %IntLiteral.type = struct_value () [template]
    43. 

  43. // CHECK:STDOUT:   %N: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic]
    44. 

  44. // CHECK:STDOUT:   %N.patt: Core.IntLiteral = symbolic_binding_pattern N, 0 [symbolic]
    45. 

  45. // CHECK:STDOUT:   %ErrorIfNIsZero.type: type = fn_type @ErrorIfNIsZero [template]
    46. 

  46. // CHECK:STDOUT:   %ErrorIfNIsZero: %ErrorIfNIsZero.type = struct_value () [template]
    47. 

  47. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [template]
    48. 

  48. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [template]
    49. 

  49. // CHECK:STDOUT:   %Int: type = class_type @Int, @Int(%N) [symbolic]
    50. 

  50. // CHECK:STDOUT:   %require_complete.b4f: <witness> = require_complete_type %Int [symbolic]
    51. 

  51. // CHECK:STDOUT:   %CallNegative.type: type = fn_type @CallNegative [template]
    52. 

  52. // CHECK:STDOUT:   %CallNegative: %CallNegative.type = struct_value () [template]
    53. 

  53. // CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [template]
    54. 

  54. // CHECK:STDOUT:   %ErrorIfNIsZero.specific_fn: <specific function> = specific_function %ErrorIfNIsZero, @ErrorIfNIsZero(%int_0) [template]
    55. 

  55. // CHECK:STDOUT:   %i0: type = class_type @Int, @Int(%int_0) [template]
    56. 

  56. // CHECK:STDOUT:   %complete_type.d94: <witness> = complete_type_witness <error> [template]
    57. 

  57. // CHECK:STDOUT: }
    58. 

  58. // CHECK:STDOUT:
    59. 

  59. // CHECK:STDOUT: imports {
    60. 

  60. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    61. 

  61. // CHECK:STDOUT:     .IntLiteral = %Core.IntLiteral
    62. 

  62. // CHECK:STDOUT:     .Int = %Core.Int
    63. 

  63. // CHECK:STDOUT:     import Core//prelude
    64. 

  64. // CHECK:STDOUT:     import Core//prelude/...
    65. 

  65. // CHECK:STDOUT:   }
    66. 

  66. // CHECK:STDOUT:   %Core.IntLiteral: %IntLiteral.type = import_ref Core//prelude/types/int_literal, IntLiteral, loaded [template = constants.%IntLiteral]
    67. 

  67. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [template = constants.%Int.generic]
    68. 

  68. // CHECK:STDOUT: }
    69. 

  69. // CHECK:STDOUT:
    70. 

  70. // CHECK:STDOUT: file {
    71. 

  71. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    72. 

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

  73. // CHECK:STDOUT:     .ErrorIfNIsZero = %ErrorIfNIsZero.decl
    74. 

  74. // CHECK:STDOUT:     .CallNegative = %CallNegative.decl
    75. 

  75. // CHECK:STDOUT:   }
    76. 

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

  77. // CHECK:STDOUT:   %ErrorIfNIsZero.decl: %ErrorIfNIsZero.type = fn_decl @ErrorIfNIsZero [template = constants.%ErrorIfNIsZero] {
    78. 

  78. // CHECK:STDOUT:     %N.patt.loc4_19.1: Core.IntLiteral = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
    79. 

  79. // CHECK:STDOUT:     %N.param_patt: Core.IntLiteral = value_param_pattern %N.patt.loc4_19.1, runtime_param<none> [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
    80. 

  80. // CHECK:STDOUT:   } {
    81. 

  81. // CHECK:STDOUT:     %N.param: Core.IntLiteral = value_param runtime_param<none>
    82. 

  82. // CHECK:STDOUT:     %.loc4_39.1: type = splice_block %.loc4_39.3 [template = Core.IntLiteral] {
    83. 

  83. // CHECK:STDOUT:       %Core.ref.loc4: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
    84. 

  84. // CHECK:STDOUT:       %IntLiteral.ref: %IntLiteral.type = name_ref IntLiteral, imports.%Core.IntLiteral [template = constants.%IntLiteral]
    85. 

  85. // CHECK:STDOUT:       %int_literal.make_type: init type = call %IntLiteral.ref() [template = Core.IntLiteral]
    86. 

  86. // CHECK:STDOUT:       %.loc4_39.2: type = value_of_initializer %int_literal.make_type [template = Core.IntLiteral]
    87. 

  87. // CHECK:STDOUT:       %.loc4_39.3: type = converted %int_literal.make_type, %.loc4_39.2 [template = Core.IntLiteral]
    88. 

  88. // CHECK:STDOUT:     }
    89. 

  89. // CHECK:STDOUT:     %N.loc4_19.1: Core.IntLiteral = bind_symbolic_name N, 0, %N.param [symbolic = %N.loc4_19.2 (constants.%N)]
    90. 

  90. // CHECK:STDOUT:   }
    91. 

  91. // CHECK:STDOUT:   %CallNegative.decl: %CallNegative.type = fn_decl @CallNegative [template = constants.%CallNegative] {} {}
    92. 

  92. // CHECK:STDOUT: }
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT: generic fn @ErrorIfNIsZero(%N.loc4_19.1: Core.IntLiteral) {
    95. 

  95. // CHECK:STDOUT:   %N.loc4_19.2: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic = %N.loc4_19.2 (constants.%N)]
    96. 

  96. // CHECK:STDOUT:   %N.patt.loc4_19.2: Core.IntLiteral = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
    97. 

  97. // CHECK:STDOUT:
    98. 

  98. // CHECK:STDOUT: !definition:
    99. 

  99. // CHECK:STDOUT:   %Int.loc15_20.2: type = class_type @Int, @Int(%N.loc4_19.2) [symbolic = %Int.loc15_20.2 (constants.%Int)]
    100. 

  100. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type @ErrorIfNIsZero.%Int.loc15_20.2 (%Int) [symbolic = %require_complete (constants.%require_complete.b4f)]
    101. 

  101. // CHECK:STDOUT:
    102. 

  102. // CHECK:STDOUT:   fn(%N.param_patt: Core.IntLiteral) {
    103. 

  103. // CHECK:STDOUT:   !entry:
    104. 

  104. // CHECK:STDOUT:     name_binding_decl {
    105. 

  105. // CHECK:STDOUT:       %v.patt: @ErrorIfNIsZero.%Int.loc15_20.2 (%Int) = binding_pattern v
    106. 

  106. // CHECK:STDOUT:       %.loc15_3: @ErrorIfNIsZero.%Int.loc15_20.2 (%Int) = var_pattern %v.patt
    107. 

  107. // CHECK:STDOUT:     }
    108. 

  108. // CHECK:STDOUT:     %v.var: ref @ErrorIfNIsZero.%Int.loc15_20.2 (%Int) = var v
    109. 

  109. // CHECK:STDOUT:     %.loc15_20: type = splice_block %Int.loc15_20.1 [symbolic = %Int.loc15_20.2 (constants.%Int)] {
    110. 

  110. // CHECK:STDOUT:       %Core.ref.loc15: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
    111. 

  111. // CHECK:STDOUT:       %Int.ref: %Int.type = name_ref Int, imports.%Core.Int [template = constants.%Int.generic]
    112. 

  112. // CHECK:STDOUT:       %N.ref: Core.IntLiteral = name_ref N, %N.loc4_19.1 [symbolic = %N.loc4_19.2 (constants.%N)]
    113. 

  113. // CHECK:STDOUT:       %Int.loc15_20.1: type = class_type @Int, @Int(constants.%N) [symbolic = %Int.loc15_20.2 (constants.%Int)]
    114. 

  114. // CHECK:STDOUT:     }
    115. 

  115. // CHECK:STDOUT:     %v: ref @ErrorIfNIsZero.%Int.loc15_20.2 (%Int) = bind_name v, %v.var
    116. 

  116. // CHECK:STDOUT:     return
    117. 

  117. // CHECK:STDOUT:   }
    118. 

  118. // CHECK:STDOUT: }
    119. 

  119. // CHECK:STDOUT:
    120. 

  120. // CHECK:STDOUT: fn @CallNegative() {
    121. 

  121. // CHECK:STDOUT: !entry:
    122. 

  122. // CHECK:STDOUT:   %ErrorIfNIsZero.ref: %ErrorIfNIsZero.type = name_ref ErrorIfNIsZero, file.%ErrorIfNIsZero.decl [template = constants.%ErrorIfNIsZero]
    123. 

  123. // CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [template = constants.%int_0]
    124. 

  124. // CHECK:STDOUT:   %ErrorIfNIsZero.specific_fn: <specific function> = specific_function %ErrorIfNIsZero.ref, @ErrorIfNIsZero(constants.%int_0) [template = constants.%ErrorIfNIsZero.specific_fn]
    125. 

  125. // CHECK:STDOUT:   %ErrorIfNIsZero.call: init %empty_tuple.type = call %ErrorIfNIsZero.specific_fn()
    126. 

  126. // CHECK:STDOUT:   return
    127. 

  127. // CHECK:STDOUT: }
    128. 

  128. // CHECK:STDOUT:
    129. 

  129. // CHECK:STDOUT: specific @ErrorIfNIsZero(constants.%N) {
    130. 

  130. // CHECK:STDOUT:   %N.loc4_19.2 => constants.%N
    131. 

  131. // CHECK:STDOUT:   %N.patt.loc4_19.2 => constants.%N
    132. 

  132. // CHECK:STDOUT: }
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: specific @ErrorIfNIsZero(constants.%int_0) {
    135. 

  135. // CHECK:STDOUT:   %N.loc4_19.2 => constants.%int_0
    136. 

  136. // CHECK:STDOUT:   %N.patt.loc4_19.2 => constants.%int_0
    137. 

  137. // CHECK:STDOUT:
    138. 

  138. // CHECK:STDOUT: !definition:
    139. 

  139. // CHECK:STDOUT:   %Int.loc15_20.2 => constants.%i0
    140. 

  140. // CHECK:STDOUT:   %require_complete => constants.%complete_type.d94
    141. 

  141. // CHECK:STDOUT: }
    142. 

  142. // CHECK:STDOUT:
    143.