convert.carbon 8.8 KB

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // AUTOUPDATE
  6. // TIP: To test this file alone, run:
  7. // TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/let/convert.carbon
  8. // TIP: To dump output, run:
  9. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/convert.carbon
  10. fn F() -> i32 {
  11. var v: (i32, i32, i32) = (1, 2, 3);
  12. // Convert from object representation to value representation.
  13. let w: (i32, i32, i32) = v;
  14. return w.1;
  15. }
  16. // CHECK:STDOUT: --- convert.carbon
  17. // CHECK:STDOUT:
  18. // CHECK:STDOUT: constants {
  19. // CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
  20. // CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
  21. // CHECK:STDOUT: %F.type: type = fn_type @F [template]
  22. // CHECK:STDOUT: %F: %F.type = struct_value () [template]
  23. // CHECK:STDOUT: %tuple.type.dc6: type = tuple_type (%i32, %i32, %i32) [template]
  24. // CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [template]
  25. // CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [template]
  26. // CHECK:STDOUT: %int_3.1ba: Core.IntLiteral = int_value 3 [template]
  27. // CHECK:STDOUT: %tuple.type.37f: type = tuple_type (Core.IntLiteral, Core.IntLiteral, Core.IntLiteral) [template]
  28. // CHECK:STDOUT: %Convert.type.cd1: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
  29. // CHECK:STDOUT: %impl_witness.5b0: <witness> = impl_witness (imports.%import_ref.723), @impl.1(%int_32) [template]
  30. // CHECK:STDOUT: %Convert.type.466: type = fn_type @Convert.2, @impl.1(%int_32) [template]
  31. // CHECK:STDOUT: %Convert.925: %Convert.type.466 = struct_value () [template]
  32. // CHECK:STDOUT: %Convert.bound.afd: <bound method> = bound_method %int_1.5b8, %Convert.925 [template]
  33. // CHECK:STDOUT: %Convert.specific_fn.b73: <specific function> = specific_function %Convert.bound.afd, @Convert.2(%int_32) [template]
  34. // CHECK:STDOUT: %int_1.c60: %i32 = int_value 1 [template]
  35. // CHECK:STDOUT: %Convert.bound.f0b: <bound method> = bound_method %int_2.ecc, %Convert.925 [template]
  36. // CHECK:STDOUT: %Convert.specific_fn.20e: <specific function> = specific_function %Convert.bound.f0b, @Convert.2(%int_32) [template]
  37. // CHECK:STDOUT: %int_2.166: %i32 = int_value 2 [template]
  38. // CHECK:STDOUT: %Convert.bound.0db: <bound method> = bound_method %int_3.1ba, %Convert.925 [template]
  39. // CHECK:STDOUT: %Convert.specific_fn.456: <specific function> = specific_function %Convert.bound.0db, @Convert.2(%int_32) [template]
  40. // CHECK:STDOUT: %int_3.25b: %i32 = int_value 3 [template]
  41. // CHECK:STDOUT: %tuple: %tuple.type.dc6 = tuple_value (%int_1.c60, %int_2.166, %int_3.25b) [template]
  42. // CHECK:STDOUT: }
  43. // CHECK:STDOUT:
  44. // CHECK:STDOUT: imports {
  45. // CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
  46. // CHECK:STDOUT: .Int = %import_ref.187
  47. // CHECK:STDOUT: .ImplicitAs = %import_ref.a69
  48. // CHECK:STDOUT: import Core//prelude
  49. // CHECK:STDOUT: import Core//prelude/...
  50. // CHECK:STDOUT: }
  51. // CHECK:STDOUT: }
  52. // CHECK:STDOUT:
  53. // CHECK:STDOUT: file {
  54. // CHECK:STDOUT: package: <namespace> = namespace [template] {
  55. // CHECK:STDOUT: .Core = imports.%Core
  56. // CHECK:STDOUT: .F = %F.decl
  57. // CHECK:STDOUT: }
  58. // CHECK:STDOUT: %Core.import = import Core
  59. // CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
  60. // CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
  61. // CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
  62. // CHECK:STDOUT: } {
  63. // CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  64. // CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  65. // CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
  66. // CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
  67. // CHECK:STDOUT: }
  68. // CHECK:STDOUT: }
  69. // CHECK:STDOUT:
  70. // CHECK:STDOUT: fn @F() -> %i32 {
  71. // CHECK:STDOUT: !entry:
  72. // CHECK:STDOUT: %v.var: ref %tuple.type.dc6 = var v
  73. // CHECK:STDOUT: %v: ref %tuple.type.dc6 = bind_name v, %v.var
  74. // CHECK:STDOUT: %int_1.loc12: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
  75. // CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2.ecc]
  76. // CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [template = constants.%int_3.1ba]
  77. // CHECK:STDOUT: %.loc12_36.1: %tuple.type.37f = tuple_literal (%int_1.loc12, %int_2, %int_3)
  78. // CHECK:STDOUT: %impl.elem0.loc12_36.1: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
  79. // CHECK:STDOUT: %Convert.bound.loc12_36.1: <bound method> = bound_method %int_1.loc12, %impl.elem0.loc12_36.1 [template = constants.%Convert.bound.afd]
  80. // CHECK:STDOUT: %Convert.specific_fn.loc12_36.1: <specific function> = specific_function %Convert.bound.loc12_36.1, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.b73]
  81. // CHECK:STDOUT: %int.convert_checked.loc12_36.1: init %i32 = call %Convert.specific_fn.loc12_36.1(%int_1.loc12) [template = constants.%int_1.c60]
  82. // CHECK:STDOUT: %.loc12_36.2: init %i32 = converted %int_1.loc12, %int.convert_checked.loc12_36.1 [template = constants.%int_1.c60]
  83. // CHECK:STDOUT: %tuple.elem0.loc12: ref %i32 = tuple_access %v.var, element0
  84. // CHECK:STDOUT: %.loc12_36.3: init %i32 = initialize_from %.loc12_36.2 to %tuple.elem0.loc12 [template = constants.%int_1.c60]
  85. // CHECK:STDOUT: %impl.elem0.loc12_36.2: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
  86. // CHECK:STDOUT: %Convert.bound.loc12_36.2: <bound method> = bound_method %int_2, %impl.elem0.loc12_36.2 [template = constants.%Convert.bound.f0b]
  87. // CHECK:STDOUT: %Convert.specific_fn.loc12_36.2: <specific function> = specific_function %Convert.bound.loc12_36.2, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.20e]
  88. // CHECK:STDOUT: %int.convert_checked.loc12_36.2: init %i32 = call %Convert.specific_fn.loc12_36.2(%int_2) [template = constants.%int_2.166]
  89. // CHECK:STDOUT: %.loc12_36.4: init %i32 = converted %int_2, %int.convert_checked.loc12_36.2 [template = constants.%int_2.166]
  90. // CHECK:STDOUT: %tuple.elem1.loc12: ref %i32 = tuple_access %v.var, element1
  91. // CHECK:STDOUT: %.loc12_36.5: init %i32 = initialize_from %.loc12_36.4 to %tuple.elem1.loc12 [template = constants.%int_2.166]
  92. // CHECK:STDOUT: %impl.elem0.loc12_36.3: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
  93. // CHECK:STDOUT: %Convert.bound.loc12_36.3: <bound method> = bound_method %int_3, %impl.elem0.loc12_36.3 [template = constants.%Convert.bound.0db]
  94. // CHECK:STDOUT: %Convert.specific_fn.loc12_36.3: <specific function> = specific_function %Convert.bound.loc12_36.3, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.456]
  95. // CHECK:STDOUT: %int.convert_checked.loc12_36.3: init %i32 = call %Convert.specific_fn.loc12_36.3(%int_3) [template = constants.%int_3.25b]
  96. // CHECK:STDOUT: %.loc12_36.6: init %i32 = converted %int_3, %int.convert_checked.loc12_36.3 [template = constants.%int_3.25b]
  97. // CHECK:STDOUT: %tuple.elem2.loc12: ref %i32 = tuple_access %v.var, element2
  98. // CHECK:STDOUT: %.loc12_36.7: init %i32 = initialize_from %.loc12_36.6 to %tuple.elem2.loc12 [template = constants.%int_3.25b]
  99. // CHECK:STDOUT: %.loc12_36.8: init %tuple.type.dc6 = tuple_init (%.loc12_36.3, %.loc12_36.5, %.loc12_36.7) to %v.var [template = constants.%tuple]
  100. // CHECK:STDOUT: %.loc12_37: init %tuple.type.dc6 = converted %.loc12_36.1, %.loc12_36.8 [template = constants.%tuple]
  101. // CHECK:STDOUT: assign %v.var, %.loc12_37
  102. // CHECK:STDOUT: %v.ref: ref %tuple.type.dc6 = name_ref v, %v
  103. // CHECK:STDOUT: %tuple.elem0.loc14: ref %i32 = tuple_access %v.ref, element0
  104. // CHECK:STDOUT: %.loc14_28.1: %i32 = bind_value %tuple.elem0.loc14
  105. // CHECK:STDOUT: %tuple.elem1.loc14: ref %i32 = tuple_access %v.ref, element1
  106. // CHECK:STDOUT: %.loc14_28.2: %i32 = bind_value %tuple.elem1.loc14
  107. // CHECK:STDOUT: %tuple.elem2.loc14: ref %i32 = tuple_access %v.ref, element2
  108. // CHECK:STDOUT: %.loc14_28.3: %i32 = bind_value %tuple.elem2.loc14
  109. // CHECK:STDOUT: %tuple: %tuple.type.dc6 = tuple_value (%.loc14_28.1, %.loc14_28.2, %.loc14_28.3)
  110. // CHECK:STDOUT: %.loc14_29: %tuple.type.dc6 = converted %v.ref, %tuple
  111. // CHECK:STDOUT: %w: %tuple.type.dc6 = bind_name w, %.loc14_29
  112. // CHECK:STDOUT: %w.ref: %tuple.type.dc6 = name_ref w, %w
  113. // CHECK:STDOUT: %int_1.loc15: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
  114. // CHECK:STDOUT: %tuple.elem1.loc15: %i32 = tuple_access %w.ref, element1
  115. // CHECK:STDOUT: return %tuple.elem1.loc15
  116. // CHECK:STDOUT: }
  117. // CHECK:STDOUT: