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carbon-lang
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toolchain
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lower
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testdata
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primitives
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optional.carbon

optional.carbon 9.3 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. // This is an integration test for the Core.Optional in the prelude, so use the
    6. 

  6. // real prelude.
    7. 

  7. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
    8. 

  8. // EXTRA-ARGS: --target=x86_64-linux-gnu
    9. 

  9. //
    10. 

  10. // AUTOUPDATE
    11. 

  11. // TIP: To test this file alone, run:
    12. 

  12. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/primitives/optional.carbon
    13. 

  13. // TIP: To dump output, run:
    14. 

  14. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/primitives/optional.carbon
    15. 

  15. 

  16. fn Convert(o: Core.Optional(i32*)) -> Core.Optional(i32) {
    17. 

  17.   if (o.HasValue()) {
    18. 

  18.     return *o.Get();
    19. 

  19.   }
    20. 

  20.   return Core.Optional(i32).None();
    21. 

  21. }
    22. 

  22. 

  23. // CHECK:STDOUT: ; ModuleID = 'optional.carbon'
    24. 

  24. // CHECK:STDOUT: source_filename = "optional.carbon"
    25. 

  25. // CHECK:STDOUT:
    26. 

  26. // CHECK:STDOUT: define void @_CConvert.Main(ptr sret({ i32, i1 }) %return, ptr %o) !dbg !4 {
    27. 

  27. // CHECK:STDOUT: entry:
    28. 

  28. // CHECK:STDOUT:   %.loc18_20.1.temp = alloca { i32, i1 }, align 8, !dbg !7
    29. 

  29. // CHECK:STDOUT:   %Optional.HasValue.call = call i1 @_CHasValue.Optional.Core.a5473232b4618d29(ptr %o), !dbg !8
    30. 

  30. // CHECK:STDOUT:   br i1 %Optional.HasValue.call, label %if.then, label %if.else, !dbg !9
    31. 

  31. // CHECK:STDOUT:
    32. 

  32. // CHECK:STDOUT: if.then:                                          ; preds = %entry
    33. 

  33. // CHECK:STDOUT:   %Optional.Get.call = call ptr @_CGet.Optional.Core.a5473232b4618d29(ptr %o), !dbg !10
    34. 

  34. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc18_20.1.temp), !dbg !7
    35. 

  35. // CHECK:STDOUT:   %.loc18_12.2 = load i32, ptr %Optional.Get.call, align 4, !dbg !11
    36. 

  36. // CHECK:STDOUT:   call void @"_CConvert.b97494f2edbcdd31:ImplicitAs.Core.e126642f41a9ea1c"(ptr %.loc18_20.1.temp, i32 %.loc18_12.2), !dbg !7
    37. 

  37. // CHECK:STDOUT:   ret void, !dbg !7
    38. 

  38. // CHECK:STDOUT:
    39. 

  39. // CHECK:STDOUT: if.else:                                          ; preds = %entry
    40. 

  40. // CHECK:STDOUT:   call void @_CNone.Optional.Core.e126642f41a9ea1c(ptr %return), !dbg !12
    41. 

  41. // CHECK:STDOUT:   ret void, !dbg !13
    42. 

  42. // CHECK:STDOUT: }
    43. 

  43. // CHECK:STDOUT:
    44. 

  44. // CHECK:STDOUT: define linkonce_odr i1 @_CHasValue.Optional.Core.a5473232b4618d29(ptr %self) !dbg !14 {
    45. 

  45. // CHECK:STDOUT:   %1 = load ptr, ptr %self, align 8, !dbg !16
    46. 

  46. // CHECK:STDOUT:   %2 = icmp eq ptr %1, null, !dbg !16
    47. 

  47. // CHECK:STDOUT:   ret i1 %2, !dbg !17
    48. 

  48. // CHECK:STDOUT: }
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: define linkonce_odr ptr @_CGet.Optional.Core.a5473232b4618d29(ptr %self) !dbg !18 {
    51. 

  51. // CHECK:STDOUT:   %1 = call ptr @"_CGet.79f1318a93915de5:OptionalStorage.Core.b88d1103f417c6d4"(ptr %self), !dbg !19
    52. 

  52. // CHECK:STDOUT:   ret ptr %1, !dbg !20
    53. 

  53. // CHECK:STDOUT: }
    54. 

  54. // CHECK:STDOUT:
    55. 

  55. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    56. 

  56. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    57. 

  57. // CHECK:STDOUT:
    58. 

  58. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.b97494f2edbcdd31:ImplicitAs.Core.e126642f41a9ea1c"(ptr sret({ i32, i1 }) %return, i32 %self) !dbg !21 {
    59. 

  59. // CHECK:STDOUT:   call void @_CSome.Optional.Core.e126642f41a9ea1c(ptr %return, i32 %self), !dbg !22
    60. 

  60. // CHECK:STDOUT:   ret void, !dbg !23
    61. 

  61. // CHECK:STDOUT: }
    62. 

  62. // CHECK:STDOUT:
    63. 

  63. // CHECK:STDOUT: define linkonce_odr void @_CNone.Optional.Core.e126642f41a9ea1c(ptr sret({ i32, i1 }) %return) !dbg !24 {
    64. 

  64. // CHECK:STDOUT:   call void @"_CNone.2a0d145dae8e0e7f:OptionalStorage.Core.de631560529e9861"(ptr %return), !dbg !25
    65. 

  65. // CHECK:STDOUT:   ret void, !dbg !26
    66. 

  66. // CHECK:STDOUT: }
    67. 

  67. // CHECK:STDOUT:
    68. 

  68. // CHECK:STDOUT: define linkonce_odr ptr @"_CGet.79f1318a93915de5:OptionalStorage.Core.b88d1103f417c6d4"(ptr %value) !dbg !27 {
    69. 

  69. // CHECK:STDOUT:   %1 = load ptr, ptr %value, align 8, !dbg !28
    70. 

  70. // CHECK:STDOUT:   ret ptr %1, !dbg !29
    71. 

  71. // CHECK:STDOUT: }
    72. 

  72. // CHECK:STDOUT:
    73. 

  73. // CHECK:STDOUT: define linkonce_odr void @_CSome.Optional.Core.e126642f41a9ea1c(ptr sret({ i32, i1 }) %return, i32 %value) !dbg !30 {
    74. 

  74. // CHECK:STDOUT:   call void @"_CSome.2a0d145dae8e0e7f:OptionalStorage.Core.de631560529e9861"(ptr %return, i32 %value), !dbg !31
    75. 

  75. // CHECK:STDOUT:   ret void, !dbg !32
    76. 

  76. // CHECK:STDOUT: }
    77. 

  77. // CHECK:STDOUT:
    78. 

  78. // CHECK:STDOUT: define linkonce_odr void @"_CNone.2a0d145dae8e0e7f:OptionalStorage.Core.de631560529e9861"(ptr sret({ i32, i1 }) %return) !dbg !33 {
    79. 

  79. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 1, !dbg !34
    80. 

  80. // CHECK:STDOUT:   store i8 0, ptr %has_value, align 1, !dbg !34
    81. 

  81. // CHECK:STDOUT:   ret void, !dbg !35
    82. 

  82. // CHECK:STDOUT: }
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: define linkonce_odr void @"_CSome.2a0d145dae8e0e7f:OptionalStorage.Core.de631560529e9861"(ptr sret({ i32, i1 }) %return, i32 %self) !dbg !36 {
    85. 

  85. // CHECK:STDOUT:   %value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 0, !dbg !37
    86. 

  86. // CHECK:STDOUT:   store i32 %self, ptr %value, align 4, !dbg !37
    87. 

  87. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 1, !dbg !38
    88. 

  88. // CHECK:STDOUT:   store i8 1, ptr %has_value, align 1, !dbg !38
    89. 

  89. // CHECK:STDOUT:   ret void, !dbg !39
    90. 

  90. // CHECK:STDOUT: }
    91. 

  91. // CHECK:STDOUT:
    92. 

  92. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    95. 

  95. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    96. 

  96. // CHECK:STDOUT:
    97. 

  97. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    98. 

  98. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    99. 

  99. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    100. 

  100. // CHECK:STDOUT: !3 = !DIFile(filename: "optional.carbon", directory: "")
    101. 

  101. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.Main", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    102. 

  102. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    103. 

  103. // CHECK:STDOUT: !6 = !{}
    104. 

  104. // CHECK:STDOUT: !7 = !DILocation(line: 18, column: 5, scope: !4)
    105. 

  105. // CHECK:STDOUT: !8 = !DILocation(line: 17, column: 7, scope: !4)
    106. 

  106. // CHECK:STDOUT: !9 = !DILocation(line: 17, column: 6, scope: !4)
    107. 

  107. // CHECK:STDOUT: !10 = !DILocation(line: 18, column: 13, scope: !4)
    108. 

  108. // CHECK:STDOUT: !11 = !DILocation(line: 18, column: 12, scope: !4)
    109. 

  109. // CHECK:STDOUT: !12 = !DILocation(line: 20, column: 10, scope: !4)
    110. 

  110. // CHECK:STDOUT: !13 = !DILocation(line: 20, column: 3, scope: !4)
    111. 

  111. // CHECK:STDOUT: !14 = distinct !DISubprogram(name: "HasValue", linkageName: "_CHasValue.Optional.Core.a5473232b4618d29", scope: null, file: !15, line: 31, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    112. 

  112. // CHECK:STDOUT: !15 = !DIFile(filename: "{{.*}}/prelude/types/optional.carbon", directory: "")
    113. 

  113. // CHECK:STDOUT: !16 = !DILocation(line: 32, column: 12, scope: !14)
    114. 

  114. // CHECK:STDOUT: !17 = !DILocation(line: 32, column: 5, scope: !14)
    115. 

  115. // CHECK:STDOUT: !18 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.Optional.Core.a5473232b4618d29", scope: null, file: !15, line: 34, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    116. 

  116. // CHECK:STDOUT: !19 = !DILocation(line: 35, column: 12, scope: !18)
    117. 

  117. // CHECK:STDOUT: !20 = !DILocation(line: 35, column: 5, scope: !18)
    118. 

  118. // CHECK:STDOUT: !21 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.b97494f2edbcdd31:ImplicitAs.Core.e126642f41a9ea1c", scope: null, file: !15, line: 39, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    119. 

  119. // CHECK:STDOUT: !22 = !DILocation(line: 40, column: 14, scope: !21)
    120. 

  120. // CHECK:STDOUT: !23 = !DILocation(line: 40, column: 7, scope: !21)
    121. 

  121. // CHECK:STDOUT: !24 = distinct !DISubprogram(name: "None", linkageName: "_CNone.Optional.Core.e126642f41a9ea1c", scope: null, file: !15, line: 25, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    122. 

  122. // CHECK:STDOUT: !25 = !DILocation(line: 26, column: 12, scope: !24)
    123. 

  123. // CHECK:STDOUT: !26 = !DILocation(line: 26, column: 5, scope: !24)
    124. 

  124. // CHECK:STDOUT: !27 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.79f1318a93915de5:OptionalStorage.Core.b88d1103f417c6d4", scope: null, file: !15, line: 92, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    125. 

  125. // CHECK:STDOUT: !28 = !DILocation(line: 93, column: 12, scope: !27)
    126. 

  126. // CHECK:STDOUT: !29 = !DILocation(line: 93, column: 5, scope: !27)
    127. 

  127. // CHECK:STDOUT: !30 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.Optional.Core.e126642f41a9ea1c", scope: null, file: !15, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    128. 

  128. // CHECK:STDOUT: !31 = !DILocation(line: 29, column: 12, scope: !30)
    129. 

  129. // CHECK:STDOUT: !32 = !DILocation(line: 29, column: 5, scope: !30)
    130. 

  130. // CHECK:STDOUT: !33 = distinct !DISubprogram(name: "None", linkageName: "_CNone.2a0d145dae8e0e7f:OptionalStorage.Core.de631560529e9861", scope: null, file: !15, line: 60, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    131. 

  131. // CHECK:STDOUT: !34 = !DILocation(line: 62, column: 5, scope: !33)
    132. 

  132. // CHECK:STDOUT: !35 = !DILocation(line: 63, column: 5, scope: !33)
    133. 

  133. // CHECK:STDOUT: !36 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.2a0d145dae8e0e7f:OptionalStorage.Core.de631560529e9861", scope: null, file: !15, line: 65, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    134. 

  134. // CHECK:STDOUT: !37 = !DILocation(line: 69, column: 5, scope: !36)
    135. 

  135. // CHECK:STDOUT: !38 = !DILocation(line: 70, column: 5, scope: !36)
    136. 

  136. // CHECK:STDOUT: !39 = !DILocation(line: 71, column: 5, scope: !36)
    137.