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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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for
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bindings.carbon

bindings.carbon 11 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/for/bindings.carbon
    10. 

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

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/for/bindings.carbon
    12. 

  12. 

  13. class EmptyRange(T:! Core.Copy) {
    14. 

  14.   impl as Core.Iterate where .CursorType = {} and .ElementType = T {
    15. 

  15.     fn NewCursor[self: Self]() -> {} {
    16. 

  16.       return {};
    17. 

  17.     }
    18. 

  18.     fn Next[self: Self](cursor: {}*) -> Core.Optional(T) {
    19. 

  19.       return Core.Optional(T).None();
    20. 

  20.     }
    21. 

  21.   }
    22. 

  22. }
    23. 

  23. 

  24. fn F(m: i32, n: i32*);
    25. 

  25. 

  26. fn For() {
    27. 

  27.   var r: EmptyRange((i32, i32)) = {};
    28. 

  28. 

  29.   for ((m: i32, var n: i32) in r) {
    30. 

  30.     F(m, &n);
    31. 

  31.   }
    32. 

  32. }
    33. 

  33. 

  34. // CHECK:STDOUT: ; ModuleID = 'bindings.carbon'
    35. 

  35. // CHECK:STDOUT: source_filename = "bindings.carbon"
    36. 

  36. // CHECK:STDOUT:
    37. 

  37. // CHECK:STDOUT: @EmptyRange.val.loc27_3 = internal constant {} zeroinitializer
    38. 

  38. // CHECK:STDOUT:
    39. 

  39. // CHECK:STDOUT: declare void @_CF.Main(i32, ptr)
    40. 

  40. // CHECK:STDOUT:
    41. 

  41. // CHECK:STDOUT: define void @_CFor.Main() !dbg !4 {
    42. 

  42. // CHECK:STDOUT: entry:
    43. 

  43. // CHECK:STDOUT:   %r.var = alloca {}, align 8, !dbg !7
    44. 

  44. // CHECK:STDOUT:   %var = alloca {}, align 8, !dbg !8
    45. 

  45. // CHECK:STDOUT:   %.loc29_33.1.temp = alloca { i1, { i32, i32 } }, align 8, !dbg !8
    46. 

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

  47. // CHECK:STDOUT:   %.loc29_33.8.temp = alloca { i32, i32 }, align 8, !dbg !8
    48. 

  48. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %r.var), !dbg !7
    49. 

  49. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %r.var, ptr align 1 @EmptyRange.val.loc27_3, i64 0, i1 false), !dbg !7
    50. 

  50. // CHECK:STDOUT:   call void @"_CNewCursor.EmptyRange.Main:Iterate.Core.d9506acff356e5d2"(ptr %r.var), !dbg !8
    51. 

  51. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var), !dbg !8
    52. 

  52. // CHECK:STDOUT:   br label %for.next, !dbg !8
    53. 

  53. // CHECK:STDOUT:
    54. 

  54. // CHECK:STDOUT: for.next:                                         ; preds = %for.body, %entry
    55. 

  55. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_33.1.temp), !dbg !8
    56. 

  56. // CHECK:STDOUT:   call void @"_CNext.EmptyRange.Main:Iterate.Core.d9506acff356e5d2"(ptr %.loc29_33.1.temp, ptr %r.var, ptr %var), !dbg !8
    57. 

  57. // CHECK:STDOUT:   %Optional.HasValue.call = call i1 @_CHasValue.Optional.Core.d9506acff356e5d2(ptr %.loc29_33.1.temp), !dbg !8
    58. 

  58. // CHECK:STDOUT:   br i1 %Optional.HasValue.call, label %for.body, label %for.done, !dbg !8
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: for.body:                                         ; preds = %for.next
    61. 

  61. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !9
    62. 

  62. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_33.8.temp), !dbg !8
    63. 

  63. // CHECK:STDOUT:   call void @_CGet.Optional.Core.d9506acff356e5d2(ptr %.loc29_33.8.temp, ptr %.loc29_33.1.temp), !dbg !8
    64. 

  64. // CHECK:STDOUT:   %tuple.elem0.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc29_33.8.temp, i32 0, i32 0, !dbg !8
    65. 

  65. // CHECK:STDOUT:   %tuple.elem1.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc29_33.8.temp, i32 0, i32 1, !dbg !8
    66. 

  66. // CHECK:STDOUT:   %.loc29_33.11 = load i32, ptr %tuple.elem0.tuple.elem, align 4, !dbg !8
    67. 

  67. // CHECK:STDOUT:   %.loc29_33.12 = load i32, ptr %tuple.elem1.tuple.elem, align 4, !dbg !8
    68. 

  68. // CHECK:STDOUT:   store i32 %.loc29_33.12, ptr %n.var, align 4, !dbg !9
    69. 

  69. // CHECK:STDOUT:   call void @_CF.Main(i32 %.loc29_33.11, ptr %n.var), !dbg !10
    70. 

  70. // CHECK:STDOUT:   br label %for.next, !dbg !11
    71. 

  71. // CHECK:STDOUT:
    72. 

  72. // CHECK:STDOUT: for.done:                                         ; preds = %for.next
    73. 

  73. // CHECK:STDOUT:   ret void, !dbg !12
    74. 

  74. // CHECK:STDOUT: }
    75. 

  75. // CHECK:STDOUT:
    76. 

  76. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    77. 

  77. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    78. 

  78. // CHECK:STDOUT:
    79. 

  79. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    80. 

  80. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: define linkonce_odr void @"_CNewCursor.EmptyRange.Main:Iterate.Core.d9506acff356e5d2"(ptr %self) !dbg !13 {
    83. 

  83. // CHECK:STDOUT: entry:
    84. 

  84. // CHECK:STDOUT:   ret void, !dbg !14
    85. 

  85. // CHECK:STDOUT: }
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: define linkonce_odr void @"_CNext.EmptyRange.Main:Iterate.Core.d9506acff356e5d2"(ptr sret({ i1, { i32, i32 } }) %return, ptr %self, ptr %cursor) !dbg !15 {
    88. 

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

  89. // CHECK:STDOUT:   call void @_CNone.Optional.Core.d9506acff356e5d2(ptr %return), !dbg !16
    90. 

  90. // CHECK:STDOUT:   ret void, !dbg !17
    91. 

  91. // CHECK:STDOUT: }
    92. 

  92. // CHECK:STDOUT:
    93. 

  93. // CHECK:STDOUT: define linkonce_odr i1 @_CHasValue.Optional.Core.d9506acff356e5d2(ptr %self) !dbg !18 {
    94. 

  94. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i1, { i32, i32 } }, ptr %self, i32 0, i32 0, !dbg !20
    95. 

  95. // CHECK:STDOUT:   %1 = load i8, ptr %has_value, align 1, !dbg !20
    96. 

  96. // CHECK:STDOUT:   %2 = trunc i8 %1 to i1, !dbg !20
    97. 

  97. // CHECK:STDOUT:   ret i1 %2, !dbg !21
    98. 

  98. // CHECK:STDOUT: }
    99. 

  99. // CHECK:STDOUT:
    100. 

  100. // CHECK:STDOUT: define linkonce_odr void @_CGet.Optional.Core.d9506acff356e5d2(ptr sret({ i32, i32 }) %return, ptr %self) !dbg !22 {
    101. 

  101. // CHECK:STDOUT:   %value = getelementptr inbounds nuw { i1, { i32, i32 } }, ptr %self, i32 0, i32 1, !dbg !23
    102. 

  102. // CHECK:STDOUT:   call void @"_COp.52304025ab0e7af9:Copy.Core.58c6957df82926a9"(ptr %return, ptr %value), !dbg !23
    103. 

  103. // CHECK:STDOUT:   ret void, !dbg !24
    104. 

  104. // CHECK:STDOUT: }
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: define linkonce_odr void @_CNone.Optional.Core.d9506acff356e5d2(ptr sret({ i1, { i32, i32 } }) %return) !dbg !25 {
    107. 

  107. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i1, { i32, i32 } }, ptr %return, i32 0, i32 0, !dbg !26
    108. 

  108. // CHECK:STDOUT:   store i8 0, ptr %has_value, align 1, !dbg !26
    109. 

  109. // CHECK:STDOUT:   ret void, !dbg !27
    110. 

  110. // CHECK:STDOUT: }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: define linkonce_odr void @"_COp.52304025ab0e7af9:Copy.Core.58c6957df82926a9"(ptr sret({ i32, i32 }) %return, ptr %self) !dbg !28 {
    113. 

  113. // CHECK:STDOUT:   %tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %self, i32 0, i32 0, !dbg !30
    114. 

  114. // CHECK:STDOUT:   %tuple.elem.load = load i32, ptr %tuple.elem, align 4, !dbg !30
    115. 

  115. // CHECK:STDOUT:   %tuple.elem1 = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 0, !dbg !31
    116. 

  116. // CHECK:STDOUT:   %tuple.elem2 = getelementptr inbounds nuw { i32, i32 }, ptr %self, i32 0, i32 1, !dbg !32
    117. 

  117. // CHECK:STDOUT:   %tuple.elem.load3 = load i32, ptr %tuple.elem2, align 4, !dbg !32
    118. 

  118. // CHECK:STDOUT:   %tuple.elem4 = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 1, !dbg !31
    119. 

  119. // CHECK:STDOUT:   store i32 %tuple.elem.load, ptr %tuple.elem1, align 4, !dbg !31
    120. 

  120. // CHECK:STDOUT:   store i32 %tuple.elem.load3, ptr %tuple.elem4, align 4, !dbg !31
    121. 

  121. // CHECK:STDOUT:   ret void, !dbg !33
    122. 

  122. // CHECK:STDOUT: }
    123. 

  123. // CHECK:STDOUT:
    124. 

  124. // CHECK:STDOUT: ; uselistorder directives
    125. 

  125. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    128. 

  128. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    131. 

  131. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    132. 

  132. // CHECK:STDOUT:
    133. 

  133. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    134. 

  134. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    135. 

  135. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    136. 

  136. // CHECK:STDOUT: !3 = !DIFile(filename: "bindings.carbon", directory: "")
    137. 

  137. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "For", linkageName: "_CFor.Main", scope: null, file: !3, line: 26, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    138. 

  138. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    139. 

  139. // CHECK:STDOUT: !6 = !{}
    140. 

  140. // CHECK:STDOUT: !7 = !DILocation(line: 27, column: 3, scope: !4)
    141. 

  141. // CHECK:STDOUT: !8 = !DILocation(line: 29, column: 7, scope: !4)
    142. 

  142. // CHECK:STDOUT: !9 = !DILocation(line: 29, column: 17, scope: !4)
    143. 

  143. // CHECK:STDOUT: !10 = !DILocation(line: 30, column: 5, scope: !4)
    144. 

  144. // CHECK:STDOUT: !11 = !DILocation(line: 29, column: 3, scope: !4)
    145. 

  145. // CHECK:STDOUT: !12 = !DILocation(line: 26, column: 1, scope: !4)
    146. 

  146. // CHECK:STDOUT: !13 = distinct !DISubprogram(name: "NewCursor", linkageName: "_CNewCursor.EmptyRange.Main:Iterate.Core.d9506acff356e5d2", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    147. 

  147. // CHECK:STDOUT: !14 = !DILocation(line: 16, column: 7, scope: !13)
    148. 

  148. // CHECK:STDOUT: !15 = distinct !DISubprogram(name: "Next", linkageName: "_CNext.EmptyRange.Main:Iterate.Core.d9506acff356e5d2", scope: null, file: !3, line: 18, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    149. 

  149. // CHECK:STDOUT: !16 = !DILocation(line: 19, column: 14, scope: !15)
    150. 

  150. // CHECK:STDOUT: !17 = !DILocation(line: 19, column: 7, scope: !15)
    151. 

  151. // CHECK:STDOUT: !18 = distinct !DISubprogram(name: "HasValue", linkageName: "_CHasValue.Optional.Core.d9506acff356e5d2", scope: null, file: !19, line: 30, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    152. 

  152. // CHECK:STDOUT: !19 = !DIFile(filename: "{{.*}}/prelude/types/optional.carbon", directory: "")
    153. 

  153. // CHECK:STDOUT: !20 = !DILocation(line: 30, column: 46, scope: !18)
    154. 

  154. // CHECK:STDOUT: !21 = !DILocation(line: 30, column: 39, scope: !18)
    155. 

  155. // CHECK:STDOUT: !22 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.Optional.Core.d9506acff356e5d2", scope: null, file: !19, line: 31, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    156. 

  156. // CHECK:STDOUT: !23 = !DILocation(line: 31, column: 38, scope: !22)
    157. 

  157. // CHECK:STDOUT: !24 = !DILocation(line: 31, column: 31, scope: !22)
    158. 

  158. // CHECK:STDOUT: !25 = distinct !DISubprogram(name: "None", linkageName: "_CNone.Optional.Core.d9506acff356e5d2", scope: null, file: !19, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    159. 

  159. // CHECK:STDOUT: !26 = !DILocation(line: 22, column: 5, scope: !25)
    160. 

  160. // CHECK:STDOUT: !27 = !DILocation(line: 23, column: 5, scope: !25)
    161. 

  161. // CHECK:STDOUT: !28 = distinct !DISubprogram(name: "Op", linkageName: "_COp.52304025ab0e7af9:Copy.Core.58c6957df82926a9", scope: null, file: !29, line: 58, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    162. 

  162. // CHECK:STDOUT: !29 = !DIFile(filename: "{{.*}}/prelude/copy.carbon", directory: "")
    163. 

  163. // CHECK:STDOUT: !30 = !DILocation(line: 59, column: 13, scope: !28)
    164. 

  164. // CHECK:STDOUT: !31 = !DILocation(line: 59, column: 12, scope: !28)
    165. 

  165. // CHECK:STDOUT: !32 = !DILocation(line: 59, column: 26, scope: !28)
    166. 

  166. // CHECK:STDOUT: !33 = !DILocation(line: 59, column: 5, scope: !28)
    167.