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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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method.carbon

method.carbon 6.0 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/int.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/method.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/method.carbon
    12. 

  12. 

  13. // --- methods.h
    14. 

  14. 

  15. struct A {
    16. 

  16.   int by_val() const { return n; }
    17. 

  17.   int by_ref() { return n; }
    18. 

  18.   int n;
    19. 

  19. };
    20. 

  20. 

  21. // --- call_by_val.carbon
    22. 

  22. 

  23. library "[[@TEST_NAME]]";
    24. 

  24. 

  25. import Cpp library "methods.h";
    26. 

  26. 

  27. fn UseVal(a: Cpp.A) -> i32 {
    28. 

  28.   return a.by_val();
    29. 

  29. }
    30. 

  30. 

  31. // --- call_by_ref.carbon
    32. 

  32. 

  33. library "[[@TEST_NAME]]";
    34. 

  34. 

  35. import Cpp library "methods.h";
    36. 

  36. 

  37. fn UseVal(a: Cpp.A*) -> i32 {
    38. 

  38.   return a->by_ref();
    39. 

  39. }
    40. 

  40. 

  41. // CHECK:STDOUT: ; ModuleID = 'call_by_val.carbon'
    42. 

  42. // CHECK:STDOUT: source_filename = "call_by_val.carbon"
    43. 

  43. // 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"
    44. 

  44. // CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
    45. 

  45. // CHECK:STDOUT:
    46. 

  46. // CHECK:STDOUT: %struct.A = type { i32 }
    47. 

  47. // CHECK:STDOUT:
    48. 

  48. // CHECK:STDOUT: $_ZNK1A6by_valEv = comdat any
    49. 

  49. // CHECK:STDOUT:
    50. 

  50. // CHECK:STDOUT: define i32 @_CUseVal.Main(ptr %a) !dbg !7 {
    51. 

  51. // CHECK:STDOUT: entry:
    52. 

  52. // CHECK:STDOUT:   %A.by_val.call = call i32 @_ZNK1A6by_valEv(ptr %a), !dbg !10
    53. 

  53. // CHECK:STDOUT:   ret i32 %A.by_val.call, !dbg !11
    54. 

  54. // CHECK:STDOUT: }
    55. 

  55. // CHECK:STDOUT:
    56. 

  56. // CHECK:STDOUT: ; Function Attrs: mustprogress noinline nounwind optnone
    57. 

  57. // CHECK:STDOUT: define linkonce_odr dso_local i32 @_ZNK1A6by_valEv(ptr nonnull align 4 dereferenceable(4) %this) #0 comdat align 2 {
    58. 

  58. // CHECK:STDOUT: entry:
    59. 

  59. // CHECK:STDOUT:   %this.addr = alloca ptr, align 8
    60. 

  60. // CHECK:STDOUT:   store ptr %this, ptr %this.addr, align 8
    61. 

  61. // CHECK:STDOUT:   %this1 = load ptr, ptr %this.addr, align 8
    62. 

  62. // CHECK:STDOUT:   %n = getelementptr inbounds nuw %struct.A, ptr %this1, i32 0, i32 0
    63. 

  63. // CHECK:STDOUT:   %0 = load i32, ptr %n, align 4
    64. 

  64. // CHECK:STDOUT:   ret i32 %0
    65. 

  65. // CHECK:STDOUT: }
    66. 

  66. // CHECK:STDOUT:
    67. 

  67. // CHECK:STDOUT: attributes #0 = { mustprogress noinline nounwind optnone "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
    68. 

  68. // CHECK:STDOUT:
    69. 

  69. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
    70. 

  70. // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
    71. 

  71. // CHECK:STDOUT:
    72. 

  72. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    73. 

  73. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    74. 

  74. // CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
    75. 

  75. // CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 0}
    76. 

  76. // CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
    77. 

  77. // CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    78. 

  78. // CHECK:STDOUT: !6 = !DIFile(filename: "call_by_val.carbon", directory: "")
    79. 

  79. // CHECK:STDOUT: !7 = distinct !DISubprogram(name: "UseVal", linkageName: "_CUseVal.Main", scope: null, file: !6, line: 6, type: !8, spFlags: DISPFlagDefinition, unit: !5)
    80. 

  80. // CHECK:STDOUT: !8 = !DISubroutineType(types: !9)
    81. 

  81. // CHECK:STDOUT: !9 = !{}
    82. 

  82. // CHECK:STDOUT: !10 = !DILocation(line: 7, column: 10, scope: !7)
    83. 

  83. // CHECK:STDOUT: !11 = !DILocation(line: 7, column: 3, scope: !7)
    84. 

  84. // CHECK:STDOUT: ; ModuleID = 'call_by_ref.carbon'
    85. 

  85. // CHECK:STDOUT: source_filename = "call_by_ref.carbon"
    86. 

  86. // 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"
    87. 

  87. // CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: %struct.A = type { i32 }
    90. 

  90. // CHECK:STDOUT:
    91. 

  91. // CHECK:STDOUT: $_ZN1A6by_refEv = comdat any
    92. 

  92. // CHECK:STDOUT:
    93. 

  93. // CHECK:STDOUT: define i32 @_CUseVal.Main(ptr %a) !dbg !7 {
    94. 

  94. // CHECK:STDOUT: entry:
    95. 

  95. // CHECK:STDOUT:   %A.by_ref.call = call i32 @_ZN1A6by_refEv(ptr %a), !dbg !10
    96. 

  96. // CHECK:STDOUT:   ret i32 %A.by_ref.call, !dbg !11
    97. 

  97. // CHECK:STDOUT: }
    98. 

  98. // CHECK:STDOUT:
    99. 

  99. // CHECK:STDOUT: ; Function Attrs: mustprogress noinline nounwind optnone
    100. 

  100. // CHECK:STDOUT: define linkonce_odr dso_local i32 @_ZN1A6by_refEv(ptr nonnull align 4 dereferenceable(4) %this) #0 comdat align 2 {
    101. 

  101. // CHECK:STDOUT: entry:
    102. 

  102. // CHECK:STDOUT:   %this.addr = alloca ptr, align 8
    103. 

  103. // CHECK:STDOUT:   store ptr %this, ptr %this.addr, align 8
    104. 

  104. // CHECK:STDOUT:   %this1 = load ptr, ptr %this.addr, align 8
    105. 

  105. // CHECK:STDOUT:   %n = getelementptr inbounds nuw %struct.A, ptr %this1, i32 0, i32 0
    106. 

  106. // CHECK:STDOUT:   %0 = load i32, ptr %n, align 4
    107. 

  107. // CHECK:STDOUT:   ret i32 %0
    108. 

  108. // CHECK:STDOUT: }
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: attributes #0 = { mustprogress noinline nounwind optnone "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
    113. 

  113. // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    116. 

  116. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    117. 

  117. // CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
    118. 

  118. // CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 0}
    119. 

  119. // CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
    120. 

  120. // CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    121. 

  121. // CHECK:STDOUT: !6 = !DIFile(filename: "call_by_ref.carbon", directory: "")
    122. 

  122. // CHECK:STDOUT: !7 = distinct !DISubprogram(name: "UseVal", linkageName: "_CUseVal.Main", scope: null, file: !6, line: 6, type: !8, spFlags: DISPFlagDefinition, unit: !5)
    123. 

  123. // CHECK:STDOUT: !8 = !DISubroutineType(types: !9)
    124. 

  124. // CHECK:STDOUT: !9 = !{}
    125. 

  125. // CHECK:STDOUT: !10 = !DILocation(line: 7, column: 10, scope: !7)
    126. 

  126. // CHECK:STDOUT: !11 = !DILocation(line: 7, column: 3, scope: !7)
    127.