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carbon-lang
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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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pointer
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basic.carbon

basic.carbon 6.2 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/pointer/basic.carbon
    8. 

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

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

  10. 

  11. fn F() -> i32 {
    12. 

  12.   var n: i32 = 0;
    13. 

  13.   var p: i32* = &n;
    14. 

  14. 

  15.   return *p;
    16. 

  16. }
    17. 

  17. 

  18. // CHECK:STDOUT: --- basic.carbon
    19. 

  19. // CHECK:STDOUT:
    20. 

  20. // CHECK:STDOUT: constants {
    21. 

  21. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    22. 

  22. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    23. 

  23. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    24. 

  24. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    25. 

  25. // CHECK:STDOUT:   %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
    26. 

  26. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    27. 

  27. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    28. 

  28. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (imports.%Core.import_ref.a5b), @impl.4f9 [concrete]
    29. 

  29. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness %ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    30. 

  30. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
    31. 

  31. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    32. 

  32. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    33. 

  33. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
    34. 

  34. // CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_0.5c6, %Convert.956 [concrete]
    35. 

  35. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
    36. 

  36. // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_0.5c6, %Convert.specific_fn [concrete]
    37. 

  37. // CHECK:STDOUT:   %int_0.6a9: %i32 = int_value 0 [concrete]
    38. 

  38. // CHECK:STDOUT:   %ptr: type = ptr_type %i32 [concrete]
    39. 

  39. // CHECK:STDOUT: }
    40. 

  40. // CHECK:STDOUT:
    41. 

  41. // CHECK:STDOUT: imports {
    42. 

  42. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    43. 

  43. // CHECK:STDOUT:     .Int = %Core.Int
    44. 

  44. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    45. 

  45. // CHECK:STDOUT:     import Core//prelude
    46. 

  46. // CHECK:STDOUT:     import Core//prelude/...
    47. 

  47. // CHECK:STDOUT:   }
    48. 

  48. // CHECK:STDOUT: }
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: file {
    51. 

  51. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    52. 

  52. // CHECK:STDOUT:     .Core = imports.%Core
    53. 

  53. // CHECK:STDOUT:     .F = %F.decl
    54. 

  54. // CHECK:STDOUT:   }
    55. 

  55. // CHECK:STDOUT:   %Core.import = import Core
    56. 

  56. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    57. 

  57. // CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
    58. 

  58. // CHECK:STDOUT:     %return.param_patt: %i32 = out_param_pattern %return.patt, call_param0
    59. 

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

  60. // CHECK:STDOUT:     %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    61. 

  61. // CHECK:STDOUT:     %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    62. 

  62. // CHECK:STDOUT:     %return.param: ref %i32 = out_param call_param0
    63. 

  63. // CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
    64. 

  64. // CHECK:STDOUT:   }
    65. 

  65. // CHECK:STDOUT: }
    66. 

  66. // CHECK:STDOUT:
    67. 

  67. // CHECK:STDOUT: fn @F() -> %i32 {
    68. 

  68. // CHECK:STDOUT: !entry:
    69. 

  69. // CHECK:STDOUT:   name_binding_decl {
    70. 

  70. // CHECK:STDOUT:     %n.patt: %i32 = binding_pattern n
    71. 

  71. // CHECK:STDOUT:     %.loc12_3.1: %i32 = var_pattern %n.patt
    72. 

  72. // CHECK:STDOUT:   }
    73. 

  73. // CHECK:STDOUT:   %n.var: ref %i32 = var n
    74. 

  74. // CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
    75. 

  75. // CHECK:STDOUT:   %impl.elem0: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    76. 

  76. // CHECK:STDOUT:   %bound_method.loc12_3.1: <bound method> = bound_method %int_0, %impl.elem0 [concrete = constants.%Convert.bound]
    77. 

  77. // CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    78. 

  78. // CHECK:STDOUT:   %bound_method.loc12_3.2: <bound method> = bound_method %int_0, %specific_fn [concrete = constants.%bound_method]
    79. 

  79. // CHECK:STDOUT:   %int.convert_checked: init %i32 = call %bound_method.loc12_3.2(%int_0) [concrete = constants.%int_0.6a9]
    80. 

  80. // CHECK:STDOUT:   %.loc12_3.2: init %i32 = converted %int_0, %int.convert_checked [concrete = constants.%int_0.6a9]
    81. 

  81. // CHECK:STDOUT:   assign %n.var, %.loc12_3.2
    82. 

  82. // CHECK:STDOUT:   %.loc12_10: type = splice_block %i32.loc12 [concrete = constants.%i32] {
    83. 

  83. // CHECK:STDOUT:     %int_32.loc12: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    84. 

  84. // CHECK:STDOUT:     %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    85. 

  85. // CHECK:STDOUT:   }
    86. 

  86. // CHECK:STDOUT:   %n: ref %i32 = bind_name n, %n.var
    87. 

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

  88. // CHECK:STDOUT:     %p.patt: %ptr = binding_pattern p
    89. 

  89. // CHECK:STDOUT:     %.loc13_3: %ptr = var_pattern %p.patt
    90. 

  90. // CHECK:STDOUT:   }
    91. 

  91. // CHECK:STDOUT:   %p.var: ref %ptr = var p
    92. 

  92. // CHECK:STDOUT:   %n.ref: ref %i32 = name_ref n, %n
    93. 

  93. // CHECK:STDOUT:   %addr: %ptr = addr_of %n.ref
    94. 

  94. // CHECK:STDOUT:   assign %p.var, %addr
    95. 

  95. // CHECK:STDOUT:   %.loc13_13: type = splice_block %ptr [concrete = constants.%ptr] {
    96. 

  96. // CHECK:STDOUT:     %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    97. 

  97. // CHECK:STDOUT:     %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    98. 

  98. // CHECK:STDOUT:     %ptr: type = ptr_type %i32.loc13 [concrete = constants.%ptr]
    99. 

  99. // CHECK:STDOUT:   }
    100. 

  100. // CHECK:STDOUT:   %p: ref %ptr = bind_name p, %p.var
    101. 

  101. // CHECK:STDOUT:   %p.ref: ref %ptr = name_ref p, %p
    102. 

  102. // CHECK:STDOUT:   %.loc15_11: %ptr = bind_value %p.ref
    103. 

  103. // CHECK:STDOUT:   %.loc15_10.1: ref %i32 = deref %.loc15_11
    104. 

  104. // CHECK:STDOUT:   %.loc15_10.2: %i32 = bind_value %.loc15_10.1
    105. 

  105. // CHECK:STDOUT:   return %.loc15_10.2
    106. 

  106. // CHECK:STDOUT: }
    107. 

  107. // CHECK:STDOUT:
    108.