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carbon-lang
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carbon-lang
/
toolchain
/
check
/
testdata
/
if_expr
/
basic.carbon

basic.carbon 7.8 KB
История Исходник

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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/if_expr/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/if_expr/basic.carbon
    10. 

  10. 

  11. fn F(b: bool, n: i32, m: i32) -> i32 {
    12. 

  12.   var x: [i32; 1] = (0,);
    13. 

  13.   return if b then x[m] else x[n];
    14. 

  14. }
    15. 

  15. 

  16. // CHECK:STDOUT: --- basic.carbon
    17. 

  17. // CHECK:STDOUT:
    18. 

  18. // CHECK:STDOUT: constants {
    19. 

  19. // CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [template]
    20. 

  20. // CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [template]
    21. 

  21. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    22. 

  22. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    23. 

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

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

  25. // CHECK:STDOUT:   %.1: i32 = int_value 1 [template]
    26. 

  26. // CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(Core.IntLiteral) [template]
    27. 

  27. // CHECK:STDOUT:   %Convert.type.15: type = fn_type @Convert.11 [template]
    28. 

  28. // CHECK:STDOUT:   %Convert.15: %Convert.type.15 = struct_value () [template]
    29. 

  29. // CHECK:STDOUT:   %.25: <witness> = interface_witness (%Convert.15) [template]
    30. 

  30. // CHECK:STDOUT:   %.26: <bound method> = bound_method %.1, %Convert.15 [template]
    31. 

  31. // CHECK:STDOUT:   %.27: Core.IntLiteral = int_value 1 [template]
    32. 

  32. // CHECK:STDOUT:   %.28: type = array_type %.27, i32 [template]
    33. 

  33. // CHECK:STDOUT:   %.30: i32 = int_value 0 [template]
    34. 

  34. // CHECK:STDOUT:   %tuple.type: type = tuple_type (i32) [template]
    35. 

  35. // CHECK:STDOUT:   %array: %.28 = tuple_value (%.30) [template]
    36. 

  36. // CHECK:STDOUT: }
    37. 

  37. // CHECK:STDOUT:
    38. 

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

  39. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    40. 

  40. // CHECK:STDOUT:     .Bool = %import_ref.1
    41. 

  41. // CHECK:STDOUT:     .Int32 = %import_ref.2
    42. 

  42. // CHECK:STDOUT:     .ImplicitAs = %import_ref.3
    43. 

  43. // CHECK:STDOUT:     import Core//prelude
    44. 

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

  45. // CHECK:STDOUT:   }
    46. 

  46. // CHECK:STDOUT: }
    47. 

  47. // CHECK:STDOUT:
    48. 

  48. // CHECK:STDOUT: file {
    49. 

  49. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    50. 

  50. // CHECK:STDOUT:     .Core = imports.%Core
    51. 

  51. // CHECK:STDOUT:     .F = %F.decl
    52. 

  52. // CHECK:STDOUT:   }
    53. 

  53. // CHECK:STDOUT:   %Core.import = import Core
    54. 

  54. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
    55. 

  55. // CHECK:STDOUT:     %b.patt: bool = binding_pattern b
    56. 

  56. // CHECK:STDOUT:     %b.param_patt: bool = value_param_pattern %b.patt, runtime_param0
    57. 

  57. // CHECK:STDOUT:     %n.patt: i32 = binding_pattern n
    58. 

  58. // CHECK:STDOUT:     %n.param_patt: i32 = value_param_pattern %n.patt, runtime_param1
    59. 

  59. // CHECK:STDOUT:     %m.patt: i32 = binding_pattern m
    60. 

  60. // CHECK:STDOUT:     %m.param_patt: i32 = value_param_pattern %m.patt, runtime_param2
    61. 

  61. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    62. 

  62. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param3
    63. 

  63. // CHECK:STDOUT:   } {
    64. 

  64. // CHECK:STDOUT:     %bool.make_type: init type = call constants.%Bool() [template = bool]
    65. 

  65. // CHECK:STDOUT:     %.loc11_9.1: type = value_of_initializer %bool.make_type [template = bool]
    66. 

  66. // CHECK:STDOUT:     %.loc11_9.2: type = converted %bool.make_type, %.loc11_9.1 [template = bool]
    67. 

  67. // CHECK:STDOUT:     %int.make_type_32.loc11_18: init type = call constants.%Int32() [template = i32]
    68. 

  68. // CHECK:STDOUT:     %.loc11_18.1: type = value_of_initializer %int.make_type_32.loc11_18 [template = i32]
    69. 

  69. // CHECK:STDOUT:     %.loc11_18.2: type = converted %int.make_type_32.loc11_18, %.loc11_18.1 [template = i32]
    70. 

  70. // CHECK:STDOUT:     %int.make_type_32.loc11_26: init type = call constants.%Int32() [template = i32]
    71. 

  71. // CHECK:STDOUT:     %.loc11_26.1: type = value_of_initializer %int.make_type_32.loc11_26 [template = i32]
    72. 

  72. // CHECK:STDOUT:     %.loc11_26.2: type = converted %int.make_type_32.loc11_26, %.loc11_26.1 [template = i32]
    73. 

  73. // CHECK:STDOUT:     %int.make_type_32.loc11_34: init type = call constants.%Int32() [template = i32]
    74. 

  74. // CHECK:STDOUT:     %.loc11_34.1: type = value_of_initializer %int.make_type_32.loc11_34 [template = i32]
    75. 

  75. // CHECK:STDOUT:     %.loc11_34.2: type = converted %int.make_type_32.loc11_34, %.loc11_34.1 [template = i32]
    76. 

  76. // CHECK:STDOUT:     %b.param: bool = value_param runtime_param0
    77. 

  77. // CHECK:STDOUT:     %b: bool = bind_name b, %b.param
    78. 

  78. // CHECK:STDOUT:     %n.param: i32 = value_param runtime_param1
    79. 

  79. // CHECK:STDOUT:     %n: i32 = bind_name n, %n.param
    80. 

  80. // CHECK:STDOUT:     %m.param: i32 = value_param runtime_param2
    81. 

  81. // CHECK:STDOUT:     %m: i32 = bind_name m, %m.param
    82. 

  82. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param3
    83. 

  83. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    84. 

  84. // CHECK:STDOUT:   }
    85. 

  85. // CHECK:STDOUT: }
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: fn @F(%b.param_patt: bool, %n.param_patt: i32, %m.param_patt: i32) -> i32 {
    88. 

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

  89. // CHECK:STDOUT:   %int.make_type_32.loc12: init type = call constants.%Int32() [template = i32]
    90. 

  90. // CHECK:STDOUT:   %.loc12_16.1: i32 = int_value 1 [template = constants.%.1]
    91. 

  91. // CHECK:STDOUT:   %.loc12_11.1: type = value_of_initializer %int.make_type_32.loc12 [template = i32]
    92. 

  92. // CHECK:STDOUT:   %.loc12_11.2: type = converted %int.make_type_32.loc12, %.loc12_11.1 [template = i32]
    93. 

  93. // CHECK:STDOUT:   %.loc12_16.2: %Convert.type.2 = interface_witness_access constants.%.25, element0 [template = constants.%Convert.15]
    94. 

  94. // CHECK:STDOUT:   %.loc12_16.3: <bound method> = bound_method %.loc12_16.1, %.loc12_16.2 [template = constants.%.26]
    95. 

  95. // CHECK:STDOUT:   %int.convert_checked: init Core.IntLiteral = call %.loc12_16.3(%.loc12_16.1) [template = constants.%.27]
    96. 

  96. // CHECK:STDOUT:   %.loc12_16.4: Core.IntLiteral = value_of_initializer %int.convert_checked [template = constants.%.27]
    97. 

  97. // CHECK:STDOUT:   %.loc12_16.5: Core.IntLiteral = converted %.loc12_16.1, %.loc12_16.4 [template = constants.%.27]
    98. 

  98. // CHECK:STDOUT:   %.loc12_17: type = array_type %.loc12_16.5, i32 [template = constants.%.28]
    99. 

  99. // CHECK:STDOUT:   %x.var: ref %.28 = var x
    100. 

  100. // CHECK:STDOUT:   %x: ref %.28 = bind_name x, %x.var
    101. 

  101. // CHECK:STDOUT:   %.loc12_22: i32 = int_value 0 [template = constants.%.30]
    102. 

  102. // CHECK:STDOUT:   %.loc12_24.1: %tuple.type = tuple_literal (%.loc12_22)
    103. 

  103. // CHECK:STDOUT:   %.loc12_24.2: i32 = int_value 0 [template = constants.%.30]
    104. 

  104. // CHECK:STDOUT:   %.loc12_24.3: ref i32 = array_index %x.var, %.loc12_24.2
    105. 

  105. // CHECK:STDOUT:   %.loc12_24.4: init i32 = initialize_from %.loc12_22 to %.loc12_24.3 [template = constants.%.30]
    106. 

  106. // CHECK:STDOUT:   %.loc12_24.5: init %.28 = array_init (%.loc12_24.4) to %x.var [template = constants.%array]
    107. 

  107. // CHECK:STDOUT:   %.loc12_25: init %.28 = converted %.loc12_24.1, %.loc12_24.5 [template = constants.%array]
    108. 

  108. // CHECK:STDOUT:   assign %x.var, %.loc12_25
    109. 

  109. // CHECK:STDOUT:   %b.ref: bool = name_ref b, %b
    110. 

  110. // CHECK:STDOUT:   if %b.ref br !if.expr.then else br !if.expr.else
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: !if.expr.then:
    113. 

  113. // CHECK:STDOUT:   %x.ref.loc13_20: ref %.28 = name_ref x, %x
    114. 

  114. // CHECK:STDOUT:   %m.ref: i32 = name_ref m, %m
    115. 

  115. // CHECK:STDOUT:   %.loc13_23.1: ref i32 = array_index %x.ref.loc13_20, %m.ref
    116. 

  116. // CHECK:STDOUT:   %.loc13_23.2: i32 = bind_value %.loc13_23.1
    117. 

  117. // CHECK:STDOUT:   br !if.expr.result(%.loc13_23.2)
    118. 

  118. // CHECK:STDOUT:
    119. 

  119. // CHECK:STDOUT: !if.expr.else:
    120. 

  120. // CHECK:STDOUT:   %x.ref.loc13_30: ref %.28 = name_ref x, %x
    121. 

  121. // CHECK:STDOUT:   %n.ref: i32 = name_ref n, %n
    122. 

  122. // CHECK:STDOUT:   %.loc13_33.1: ref i32 = array_index %x.ref.loc13_30, %n.ref
    123. 

  123. // CHECK:STDOUT:   %.loc13_33.2: i32 = bind_value %.loc13_33.1
    124. 

  124. // CHECK:STDOUT:   br !if.expr.result(%.loc13_33.2)
    125. 

  125. // CHECK:STDOUT:
    126. 

  126. // CHECK:STDOUT: !if.expr.result:
    127. 

  127. // CHECK:STDOUT:   %.loc13_10: i32 = block_arg !if.expr.result
    128. 

  128. // CHECK:STDOUT:   return %.loc13_10
    129. 

  129. // CHECK:STDOUT: }
    130. 

  130. // CHECK:STDOUT:
    131.