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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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interop
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cpp
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void.carbon

void.carbon 7.3 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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.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/lower/testdata/interop/cpp/void.carbon
    10. 

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

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/interop/cpp/void.carbon
    12. 

  12. 

  13. // --- take_void_ptr.h
    14. 

  14. 

  15. void take_void_ptr(void *p);
    16. 

  16. 

  17. // --- call.carbon
    18. 

  18. 

  19. library "[[@TEST_NAME]]";
    20. 

  20. 

  21. import Cpp library "take_void_ptr.h";
    22. 

  22. 

  23. fn PassVoidPtr(a: Cpp.void*) {
    24. 

  24.   Cpp.take_void_ptr(a);
    25. 

  25. }
    26. 

  26. 

  27. // CHECK:STDOUT: ; ModuleID = 'call.carbon'
    28. 

  28. // CHECK:STDOUT: source_filename = "call.carbon"
    29. 

  29. // CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
    30. 

  30. // CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
    31. 

  31. // CHECK:STDOUT:
    32. 

  32. // CHECK:STDOUT: ; Function Attrs: nounwind
    33. 

  33. // CHECK:STDOUT: define void @_CPassVoidPtr.Main(ptr %a) #0 !dbg !7 {
    34. 

  34. // CHECK:STDOUT: entry:
    35. 

  35. // CHECK:STDOUT:   %.loc7_21.2.temp = alloca ptr, align 8, !dbg !13
    36. 

  36. // CHECK:STDOUT:   %U.binding.as_type.as.ImplicitAs.impl.Convert.call = call ptr @"_CConvert.e5cf8fcbb4feaae2:ImplicitAs.0f95c9e18c91e00a.Core.5c62f2dbad753cd9"(ptr %a), !dbg !13
    37. 

  37. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc7_21.2.temp), !dbg !13
    38. 

  38. // CHECK:STDOUT:   store ptr %U.binding.as_type.as.ImplicitAs.impl.Convert.call, ptr %.loc7_21.2.temp, align 8, !dbg !13
    39. 

  39. // CHECK:STDOUT:   %.loc7_21.4 = load ptr, ptr %.loc7_21.2.temp, align 8, !dbg !13
    40. 

  40. // CHECK:STDOUT:   call void @_Z13take_void_ptrPv(ptr %.loc7_21.4), !dbg !14
    41. 

  41. // CHECK:STDOUT:   ret void, !dbg !15
    42. 

  42. // CHECK:STDOUT: }
    43. 

  43. // CHECK:STDOUT:
    44. 

  44. // CHECK:STDOUT: declare void @_Z13take_void_ptrPv(ptr)
    45. 

  45. // CHECK:STDOUT:
    46. 

  46. // CHECK:STDOUT: ; Function Attrs: nounwind
    47. 

  47. // CHECK:STDOUT: define linkonce_odr ptr @"_CConvert.e5cf8fcbb4feaae2:ImplicitAs.0f95c9e18c91e00a.Core.5c62f2dbad753cd9"(ptr %self) #0 !dbg !16 {
    48. 

  48. // CHECK:STDOUT:   %1 = call ptr @"_CConvert.90961d7b1ce4f089:OptionalAs.0e326e799dad0c64.Core.d2075df181ac34c1"(ptr %self), !dbg !22
    49. 

  49. // CHECK:STDOUT:   ret ptr %1, !dbg !23
    50. 

  50. // CHECK:STDOUT: }
    51. 

  51. // CHECK:STDOUT:
    52. 

  52. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    53. 

  53. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    54. 

  54. // CHECK:STDOUT:
    55. 

  55. // CHECK:STDOUT: ; Function Attrs: nounwind
    56. 

  56. // CHECK:STDOUT: define linkonce_odr ptr @"_CConvert.90961d7b1ce4f089:OptionalAs.0e326e799dad0c64.Core.d2075df181ac34c1"(ptr %self) #0 !dbg !24 {
    57. 

  57. // CHECK:STDOUT:   %1 = call ptr @_CSome.Optional.Core.d2075df181ac34c1(ptr %self), !dbg !27
    58. 

  58. // CHECK:STDOUT:   ret ptr %1, !dbg !28
    59. 

  59. // CHECK:STDOUT: }
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: ; Function Attrs: nounwind
    62. 

  62. // CHECK:STDOUT: define linkonce_odr ptr @_CSome.Optional.Core.d2075df181ac34c1(ptr %value) #0 !dbg !29 {
    63. 

  63. // CHECK:STDOUT:   %1 = call ptr @"_CSome.e8f8f92d3d08d149:OptionalStorage.Core.a3238f3d1f6ba299"(ptr %value), !dbg !32
    64. 

  64. // CHECK:STDOUT:   ret ptr %1, !dbg !33
    65. 

  65. // CHECK:STDOUT: }
    66. 

  66. // CHECK:STDOUT:
    67. 

  67. // CHECK:STDOUT: ; Function Attrs: nounwind
    68. 

  68. // CHECK:STDOUT: define linkonce_odr ptr @"_CSome.e8f8f92d3d08d149:OptionalStorage.Core.a3238f3d1f6ba299"(ptr %self) #0 !dbg !34 {
    69. 

  69. // CHECK:STDOUT:   %1 = alloca ptr, align 8, !dbg !37
    70. 

  70. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %1), !dbg !37
    71. 

  71. // CHECK:STDOUT:   store ptr %self, ptr %1, align 8, !dbg !38
    72. 

  72. // CHECK:STDOUT:   %2 = load ptr, ptr %1, align 8, !dbg !39
    73. 

  73. // CHECK:STDOUT:   ret ptr %2, !dbg !40
    74. 

  74. // CHECK:STDOUT: }
    75. 

  75. // CHECK:STDOUT:
    76. 

  76. // CHECK:STDOUT: attributes #0 = { nounwind }
    77. 

  77. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
    80. 

  80. // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    83. 

  83. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    84. 

  84. // CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
    85. 

  85. // CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 0}
    86. 

  86. // CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
    87. 

  87. // CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    88. 

  88. // CHECK:STDOUT: !6 = !DIFile(filename: "call.carbon", directory: "")
    89. 

  89. // CHECK:STDOUT: !7 = distinct !DISubprogram(name: "PassVoidPtr", linkageName: "_CPassVoidPtr.Main", scope: null, file: !6, line: 6, type: !8, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !11)
    90. 

  90. // CHECK:STDOUT: !8 = !DISubroutineType(types: !9)
    91. 

  91. // CHECK:STDOUT: !9 = !{null, !10}
    92. 

  92. // CHECK:STDOUT: !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 8)
    93. 

  93. // CHECK:STDOUT: !11 = !{!12}
    94. 

  94. // CHECK:STDOUT: !12 = !DILocalVariable(arg: 1, scope: !7, type: !10)
    95. 

  95. // CHECK:STDOUT: !13 = !DILocation(line: 7, column: 21, scope: !7)
    96. 

  96. // CHECK:STDOUT: !14 = !DILocation(line: 7, column: 3, scope: !7)
    97. 

  97. // CHECK:STDOUT: !15 = !DILocation(line: 6, column: 1, scope: !7)
    98. 

  98. // CHECK:STDOUT: !16 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.e5cf8fcbb4feaae2:ImplicitAs.0f95c9e18c91e00a.Core.5c62f2dbad753cd9", scope: null, file: !17, line: 82, type: !18, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !20)
    99. 

  99. // CHECK:STDOUT: !17 = !DIFile(filename: "{{.*}}/prelude/types/optional.carbon", directory: "")
    100. 

  100. // CHECK:STDOUT: !18 = !DISubroutineType(types: !19)
    101. 

  101. // CHECK:STDOUT: !19 = !{!10, !10}
    102. 

  102. // CHECK:STDOUT: !20 = !{!21}
    103. 

  103. // CHECK:STDOUT: !21 = !DILocalVariable(arg: 1, scope: !16, type: !10)
    104. 

  104. // CHECK:STDOUT: !22 = !DILocation(line: 83, column: 12, scope: !16)
    105. 

  105. // CHECK:STDOUT: !23 = !DILocation(line: 83, column: 5, scope: !16)
    106. 

  106. // CHECK:STDOUT: !24 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.90961d7b1ce4f089:OptionalAs.0e326e799dad0c64.Core.d2075df181ac34c1", scope: null, file: !17, line: 68, type: !18, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !25)
    107. 

  107. // CHECK:STDOUT: !25 = !{!26}
    108. 

  108. // CHECK:STDOUT: !26 = !DILocalVariable(arg: 1, scope: !24, type: !10)
    109. 

  109. // CHECK:STDOUT: !27 = !DILocation(line: 69, column: 12, scope: !24)
    110. 

  110. // CHECK:STDOUT: !28 = !DILocation(line: 69, column: 5, scope: !24)
    111. 

  111. // CHECK:STDOUT: !29 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.Optional.Core.d2075df181ac34c1", scope: null, file: !17, line: 29, type: !18, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !30)
    112. 

  112. // CHECK:STDOUT: !30 = !{!31}
    113. 

  113. // CHECK:STDOUT: !31 = !DILocalVariable(arg: 1, scope: !29, type: !10)
    114. 

  114. // CHECK:STDOUT: !32 = !DILocation(line: 30, column: 12, scope: !29)
    115. 

  115. // CHECK:STDOUT: !33 = !DILocation(line: 30, column: 5, scope: !29)
    116. 

  116. // CHECK:STDOUT: !34 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.e8f8f92d3d08d149:OptionalStorage.Core.a3238f3d1f6ba299", scope: null, file: !17, line: 125, type: !18, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !35)
    117. 

  117. // CHECK:STDOUT: !35 = !{!36}
    118. 

  118. // CHECK:STDOUT: !36 = !DILocalVariable(arg: 1, scope: !34, type: !10)
    119. 

  119. // CHECK:STDOUT: !37 = !DILocation(line: 126, column: 14, scope: !34)
    120. 

  120. // CHECK:STDOUT: !38 = !DILocation(line: 127, column: 5, scope: !34)
    121. 

  121. // CHECK:STDOUT: !39 = !DILocation(line: 126, column: 18, scope: !34)
    122. 

  122. // CHECK:STDOUT: !40 = !DILocation(line: 128, column: 5, scope: !34)
    123.