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carbon-lang
/
toolchain
/
check
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testdata
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interop
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cpp
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function
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in_template.carbon

in_template.carbon 6.4 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
    6. 

  6. //
    7. 

  7. // AUTOUPDATE
    8. 

  8. // TIP: To test this file alone, run:
    9. 

  9. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function/in_template.carbon
    10. 

  10. // TIP: To dump output, run:
    11. 

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/in_template.carbon
    12. 

  12. 

  13. // --- class_template.h
    14. 

  14. 

  15. template<typename T> struct X {
    16. 

  16.   static void f(T t);
    17. 

  17. };
    18. 

  18. 

  19. // TODO: We should be able to instantiate the class when needed.
    20. 

  20. template struct X<int>;
    21. 

  21. 

  22. using Y = X<int>;
    23. 

  23. 

  24. // --- use_class_template.carbon
    25. 

  25. 

  26. library "[[@TEST_NAME]]";
    27. 

  27. 

  28. import Cpp library "class_template.h";
    29. 

  29. 

  30. fn F() {
    31. 

  31.   //@dump-sem-ir-begin
    32. 

  32.   Cpp.Y.f(42);
    33. 

  33.   //@dump-sem-ir-end
    34. 

  34. }
    35. 

  35. 

  36. // CHECK:STDOUT: --- use_class_template.carbon
    37. 

  37. // CHECK:STDOUT:
    38. 

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

  39. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    40. 

  40. // CHECK:STDOUT:   %X: type = class_type @X [concrete]
    41. 

  41. // CHECK:STDOUT:   %.034: type = cpp_overload_set_type @X.f [concrete]
    42. 

  42. // CHECK:STDOUT:   %empty_struct: %.034 = struct_value () [concrete]
    43. 

  43. // CHECK:STDOUT:   %int_42.20e: Core.IntLiteral = int_value 42 [concrete]
    44. 

  44. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    45. 

  45. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    46. 

  46. // CHECK:STDOUT:   %X.f.type: type = fn_type @X.f [concrete]
    47. 

  47. // CHECK:STDOUT:   %X.f: %X.f.type = struct_value () [concrete]
    48. 

  48. // CHECK:STDOUT:   %ImplicitAs.type.d14: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    49. 

  49. // CHECK:STDOUT:   %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
    50. 

  50. // CHECK:STDOUT:   %To: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    51. 

  51. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
    52. 

  52. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340 = struct_value () [symbolic]
    53. 

  53. // CHECK:STDOUT:   %ImplicitAs.impl_witness.204: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.9e9, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
    54. 

  54. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
    55. 

  55. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584 = struct_value () [concrete]
    56. 

  56. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.204) [concrete]
    57. 

  57. // CHECK:STDOUT:   %.1df: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
    58. 

  58. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_42.20e, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0 [concrete]
    59. 

  59. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
    60. 

  60. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_42.20e, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
    61. 

  61. // CHECK:STDOUT:   %int_42.c68: %i32 = int_value 42 [concrete]
    62. 

  62. // CHECK:STDOUT: }
    63. 

  63. // CHECK:STDOUT:
    64. 

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

  65. // CHECK:STDOUT:   %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
    66. 

  66. // CHECK:STDOUT:     .Y = %X.decl
    67. 

  67. // CHECK:STDOUT:     import Cpp//...
    68. 

  68. // CHECK:STDOUT:   }
    69. 

  69. // CHECK:STDOUT:   %X.decl: type = class_decl @X [concrete = constants.%X] {} {}
    70. 

  70. // CHECK:STDOUT:   %.a8d: %.034 = cpp_overload_set_value @X.f [concrete = constants.%empty_struct]
    71. 

  71. // CHECK:STDOUT:   %X.f.decl: %X.f.type = fn_decl @X.f [concrete = constants.%X.f] {
    72. 

  72. // CHECK:STDOUT:     <elided>
    73. 

  73. // CHECK:STDOUT:   } {
    74. 

  74. // CHECK:STDOUT:     <elided>
    75. 

  75. // CHECK:STDOUT:   }
    76. 

  76. // CHECK:STDOUT:   %Core.import_ref.ee7: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340) = import_ref Core//prelude/parts/int, loc23_39, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0)]
    77. 

  77. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.9e9 = impl_witness_table (%Core.import_ref.ee7), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
    78. 

  78. // CHECK:STDOUT: }
    79. 

  79. // CHECK:STDOUT:
    80. 

  80. // CHECK:STDOUT: fn @F() {
    81. 

  81. // CHECK:STDOUT: !entry:
    82. 

  82. // CHECK:STDOUT:   %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
    83. 

  83. // CHECK:STDOUT:   %Y.ref: type = name_ref Y, imports.%X.decl [concrete = constants.%X]
    84. 

  84. // CHECK:STDOUT:   %f.ref: %.034 = name_ref f, imports.%.a8d [concrete = constants.%empty_struct]
    85. 

  85. // CHECK:STDOUT:   %int_42: Core.IntLiteral = int_value 42 [concrete = constants.%int_42.20e]
    86. 

  86. // CHECK:STDOUT:   %impl.elem0: %.1df = impl_witness_access constants.%ImplicitAs.impl_witness.204, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0]
    87. 

  87. // CHECK:STDOUT:   %bound_method.loc8_11.1: <bound method> = bound_method %int_42, %impl.elem0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
    88. 

  88. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
    89. 

  89. // CHECK:STDOUT:   %bound_method.loc8_11.2: <bound method> = bound_method %int_42, %specific_fn [concrete = constants.%bound_method]
    90. 

  90. // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc8_11.2(%int_42) [concrete = constants.%int_42.c68]
    91. 

  91. // CHECK:STDOUT:   %.loc8_11.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_42.c68]
    92. 

  92. // CHECK:STDOUT:   %.loc8_11.2: %i32 = converted %int_42, %.loc8_11.1 [concrete = constants.%int_42.c68]
    93. 

  93. // CHECK:STDOUT:   %X.f.call: init %empty_tuple.type = call imports.%X.f.decl(%.loc8_11.2)
    94. 

  94. // CHECK:STDOUT:   <elided>
    95. 

  95. // CHECK:STDOUT: }
    96. 

  96. // CHECK:STDOUT:
    97.