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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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function
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generic
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call_basic_depth.carbon

call_basic_depth.carbon 6.6 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/function/generic/call_basic_depth.carbon
    10. 

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

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/generic/call_basic_depth.carbon
    12. 

  12. 

  13. // Builds on `call_basic.carbon`. Checks definitions are emitted with deeper
    14. 

  14. // call stack, i.e., when functions can be type checked without looking at the
    15. 

  15. // specific calling context.
    16. 

  16. fn F[T:! type](_: T) {
    17. 

  17. }
    18. 

  18. 

  19. fn H[T:! Core.Copy](x: T) -> T {
    20. 

  20.   F(x);
    21. 

  21.   return x;
    22. 

  22. }
    23. 

  23. 

  24. fn G[T:! Core.Copy & Core.Destroy](x: T) -> T {
    25. 

  25.   H(x);
    26. 

  26.   F(x);
    27. 

  27.   return x;
    28. 

  28. }
    29. 

  29. 

  30. fn M() -> i32 {
    31. 

  31.   var n: i32 = 0;
    32. 

  32.   var m: i32;
    33. 

  33. 

  34.   F(n);
    35. 

  35.   m = G(n);
    36. 

  36.   return m;
    37. 

  37. }
    38. 

  38. 

  39. // CHECK:STDOUT: ; ModuleID = 'call_basic_depth.carbon'
    40. 

  40. // CHECK:STDOUT: source_filename = "call_basic_depth.carbon"
    41. 

  41. // CHECK:STDOUT:
    42. 

  42. // CHECK:STDOUT: ; Function Attrs: nounwind
    43. 

  43. // CHECK:STDOUT: define i32 @_CM.Main() #0 !dbg !4 {
    44. 

  44. // CHECK:STDOUT: entry:
    45. 

  45. // CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !8
    46. 

  46. // CHECK:STDOUT:   %m.var = alloca i32, align 4, !dbg !9
    47. 

  47. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !8
    48. 

  48. // CHECK:STDOUT:   store i32 0, ptr %n.var, align 4, !dbg !8
    49. 

  49. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %m.var), !dbg !9
    50. 

  50. // CHECK:STDOUT:   %.loc34 = load i32, ptr %n.var, align 4, !dbg !10
    51. 

  51. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(i32 %.loc34), !dbg !11
    52. 

  52. // CHECK:STDOUT:   %.loc35_9 = load i32, ptr %n.var, align 4, !dbg !12
    53. 

  53. // CHECK:STDOUT:   %G.call = call i32 @_CG.Main.bfb441135f07cbe1(i32 %.loc35_9), !dbg !13
    54. 

  54. // CHECK:STDOUT:   store i32 %G.call, ptr %m.var, align 4, !dbg !14
    55. 

  55. // CHECK:STDOUT:   %.loc36 = load i32, ptr %m.var, align 4, !dbg !15
    56. 

  56. // CHECK:STDOUT:   ret i32 %.loc36, !dbg !16
    57. 

  57. // CHECK:STDOUT: }
    58. 

  58. // CHECK:STDOUT:
    59. 

  59. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    60. 

  60. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    61. 

  61. // CHECK:STDOUT:
    62. 

  62. // CHECK:STDOUT: ; Function Attrs: nounwind
    63. 

  63. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.b88d1103f417c6d4(i32 %_) #0 !dbg !17 {
    64. 

  64. // CHECK:STDOUT: entry:
    65. 

  65. // CHECK:STDOUT:   ret void, !dbg !22
    66. 

  66. // CHECK:STDOUT: }
    67. 

  67. // CHECK:STDOUT:
    68. 

  68. // CHECK:STDOUT: ; Function Attrs: nounwind
    69. 

  69. // CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.bfb441135f07cbe1(i32 %x) #0 !dbg !23 {
    70. 

  70. // CHECK:STDOUT: entry:
    71. 

  71. // CHECK:STDOUT:   %.loc25_6.2.temp = alloca i32, align 4, !dbg !28
    72. 

  72. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc25_6.2.temp), !dbg !28
    73. 

  73. // CHECK:STDOUT:   %H.call = call i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %x), !dbg !28
    74. 

  74. // CHECK:STDOUT:   store i32 %H.call, ptr %.loc25_6.2.temp, align 4, !dbg !28
    75. 

  75. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(i32 %x), !dbg !29
    76. 

  76. // CHECK:STDOUT:   ret i32 %x, !dbg !30
    77. 

  77. // CHECK:STDOUT: }
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: ; Function Attrs: nounwind
    80. 

  80. // CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %x) #0 !dbg !31 {
    81. 

  81. // CHECK:STDOUT: entry:
    82. 

  82. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(i32 %x), !dbg !34
    83. 

  83. // CHECK:STDOUT:   ret i32 %x, !dbg !35
    84. 

  84. // CHECK:STDOUT: }
    85. 

  85. // CHECK:STDOUT:
    86. 

  86. // CHECK:STDOUT: ; uselistorder directives
    87. 

  87. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 0, 2, 1 }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: attributes #0 = { nounwind }
    90. 

  90. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    91. 

  91. // CHECK:STDOUT:
    92. 

  92. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    93. 

  93. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    94. 

  94. // CHECK:STDOUT:
    95. 

  95. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    96. 

  96. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    97. 

  97. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    98. 

  98. // CHECK:STDOUT: !3 = !DIFile(filename: "call_basic_depth.carbon", directory: "")
    99. 

  99. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 30, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    100. 

  100. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    101. 

  101. // CHECK:STDOUT: !6 = !{!7}
    102. 

  102. // CHECK:STDOUT: !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
    103. 

  103. // CHECK:STDOUT: !8 = !DILocation(line: 31, column: 3, scope: !4)
    104. 

  104. // CHECK:STDOUT: !9 = !DILocation(line: 32, column: 3, scope: !4)
    105. 

  105. // CHECK:STDOUT: !10 = !DILocation(line: 34, column: 5, scope: !4)
    106. 

  106. // CHECK:STDOUT: !11 = !DILocation(line: 34, column: 3, scope: !4)
    107. 

  107. // CHECK:STDOUT: !12 = !DILocation(line: 35, column: 9, scope: !4)
    108. 

  108. // CHECK:STDOUT: !13 = !DILocation(line: 35, column: 7, scope: !4)
    109. 

  109. // CHECK:STDOUT: !14 = !DILocation(line: 35, column: 3, scope: !4)
    110. 

  110. // CHECK:STDOUT: !15 = !DILocation(line: 36, column: 10, scope: !4)
    111. 

  111. // CHECK:STDOUT: !16 = !DILocation(line: 36, column: 3, scope: !4)
    112. 

  112. // CHECK:STDOUT: !17 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.b88d1103f417c6d4", scope: null, file: !3, line: 16, type: !18, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !20)
    113. 

  113. // CHECK:STDOUT: !18 = !DISubroutineType(types: !19)
    114. 

  114. // CHECK:STDOUT: !19 = !{null, !7}
    115. 

  115. // CHECK:STDOUT: !20 = !{!21}
    116. 

  116. // CHECK:STDOUT: !21 = !DILocalVariable(arg: 1, scope: !17, type: !7)
    117. 

  117. // CHECK:STDOUT: !22 = !DILocation(line: 16, column: 1, scope: !17)
    118. 

  118. // CHECK:STDOUT: !23 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.bfb441135f07cbe1", scope: null, file: !3, line: 24, type: !24, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !26)
    119. 

  119. // CHECK:STDOUT: !24 = !DISubroutineType(types: !25)
    120. 

  120. // CHECK:STDOUT: !25 = !{!7, !7}
    121. 

  121. // CHECK:STDOUT: !26 = !{!27}
    122. 

  122. // CHECK:STDOUT: !27 = !DILocalVariable(arg: 1, scope: !23, type: !7)
    123. 

  123. // CHECK:STDOUT: !28 = !DILocation(line: 25, column: 3, scope: !23)
    124. 

  124. // CHECK:STDOUT: !29 = !DILocation(line: 26, column: 3, scope: !23)
    125. 

  125. // CHECK:STDOUT: !30 = !DILocation(line: 27, column: 3, scope: !23)
    126. 

  126. // CHECK:STDOUT: !31 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 19, type: !24, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !32)
    127. 

  127. // CHECK:STDOUT: !32 = !{!33}
    128. 

  128. // CHECK:STDOUT: !33 = !DILocalVariable(arg: 1, scope: !31, type: !7)
    129. 

  129. // CHECK:STDOUT: !34 = !DILocation(line: 20, column: 3, scope: !31)
    130. 

  130. // CHECK:STDOUT: !35 = !DILocation(line: 21, column: 3, scope: !31)
    131.