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bindings.carbon

bindings.carbon 20 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 & Core.Destroy) {
    14. 

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

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

  16.       return {};
    17. 

  17.     }
    18. 

  18.     fn Next[unused self: Self](_: {}*) -> 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: ; Function Attrs: nounwind
    42. 

  42. // CHECK:STDOUT: define void @_CFor.Main() #0 !dbg !4 {
    43. 

  43. // CHECK:STDOUT: entry:
    44. 

  44. // CHECK:STDOUT:   %r.var = alloca {}, align 8, !dbg !7
    45. 

  45. // CHECK:STDOUT:   %var = alloca {}, align 8, !dbg !8
    46. 

  46. // CHECK:STDOUT:   %.loc29_33.1.temp = alloca <{ { i32, i32 }, i1 }>, align 8, !dbg !8
    47. 

  47. // CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !9
    48. 

  48. // CHECK:STDOUT:   %.loc29_33.8.temp = alloca { i32, i32 }, align 8, !dbg !8
    49. 

  49. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %r.var), !dbg !7
    50. 

  50. // 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
    51. 

  51. // CHECK:STDOUT:   call void @"_CNewCursor.EmptyRange.1ccc388edee5a786.Main:Iterate.Core.8d745d19e7d6c4bd"(ptr %r.var), !dbg !8
    52. 

  52. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var), !dbg !8
    53. 

  53. // CHECK:STDOUT:   br label %for.next, !dbg !8
    54. 

  54. // CHECK:STDOUT:
    55. 

  55. // CHECK:STDOUT: for.next:                                         ; preds = %for.body, %entry
    56. 

  56. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_33.1.temp), !dbg !8
    57. 

  57. // CHECK:STDOUT:   call void @"_CNext.EmptyRange.1ccc388edee5a786.Main:Iterate.Core.8d745d19e7d6c4bd"(ptr %.loc29_33.1.temp, ptr %r.var, ptr %var), !dbg !8
    58. 

  58. // CHECK:STDOUT:   %Optional.HasValue.call = call i1 @_CHasValue.Optional.Core.6b64456bb8003a40(ptr %.loc29_33.1.temp), !dbg !8
    59. 

  59. // CHECK:STDOUT:   br i1 %Optional.HasValue.call, label %for.body, label %for.done, !dbg !8
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: for.body:                                         ; preds = %for.next
    62. 

  62. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !9
    63. 

  63. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_33.8.temp), !dbg !8
    64. 

  64. // CHECK:STDOUT:   call void @_CGet.Optional.Core.6b64456bb8003a40(ptr %.loc29_33.8.temp, ptr %.loc29_33.1.temp), !dbg !8
    65. 

  65. // CHECK:STDOUT:   %tuple.elem0.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc29_33.8.temp, i32 0, i32 0, !dbg !8
    66. 

  66. // CHECK:STDOUT:   %tuple.elem1.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc29_33.8.temp, i32 0, i32 1, !dbg !8
    67. 

  67. // CHECK:STDOUT:   %.loc29_33.11 = load i32, ptr %tuple.elem0.tuple.elem, align 4, !dbg !8
    68. 

  68. // CHECK:STDOUT:   %.loc29_33.12 = load i32, ptr %tuple.elem1.tuple.elem, align 4, !dbg !8
    69. 

  69. // CHECK:STDOUT:   store i32 %.loc29_33.12, ptr %n.var, align 4, !dbg !9
    70. 

  70. // CHECK:STDOUT:   call void @_CF.Main(i32 %.loc29_33.11, ptr %n.var), !dbg !10
    71. 

  71. // CHECK:STDOUT:   br label %for.next, !dbg !11
    72. 

  72. // CHECK:STDOUT:
    73. 

  73. // CHECK:STDOUT: for.done:                                         ; preds = %for.next
    74. 

  74. // CHECK:STDOUT:   call void @"_COp.8e354c83fe88ab86:core.Destroy.Core"(ptr %.loc29_33.8.temp), !dbg !8
    75. 

  75. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %n.var), !dbg !9
    76. 

  76. // CHECK:STDOUT:   call void @"_COp.9a6e0f157f6aaaf4:core.Destroy.Core"(ptr %.loc29_33.1.temp), !dbg !8
    77. 

  77. // CHECK:STDOUT:   call void @"_COp.a27a6de502cec337:core.Destroy.Core"(ptr %r.var), !dbg !7
    78. 

  78. // CHECK:STDOUT:   ret void, !dbg !12
    79. 

  79. // CHECK:STDOUT: }
    80. 

  80. // CHECK:STDOUT:
    81. 

  81. // CHECK:STDOUT: ; Function Attrs: nounwind
    82. 

  82. // CHECK:STDOUT: define weak_odr void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %self) #0 !dbg !13 {
    83. 

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

  84. // CHECK:STDOUT:   ret void, !dbg !19
    85. 

  85. // CHECK:STDOUT: }
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: ; Function Attrs: nounwind
    88. 

  88. // CHECK:STDOUT: define weak_odr void @"_COp.8e354c83fe88ab86:core.Destroy.Core"(ptr %self) #0 !dbg !20 {
    89. 

  89. // CHECK:STDOUT: entry:
    90. 

  90. // CHECK:STDOUT:   ret void, !dbg !26
    91. 

  91. // CHECK:STDOUT: }
    92. 

  92. // CHECK:STDOUT:
    93. 

  93. // CHECK:STDOUT: ; Function Attrs: nounwind
    94. 

  94. // CHECK:STDOUT: define weak_odr void @"_COp.eba7b12fbfc5bcf2:core.Destroy.Core"(ptr %self) #0 !dbg !27 {
    95. 

  95. // CHECK:STDOUT: entry:
    96. 

  96. // CHECK:STDOUT:   ret void, !dbg !30
    97. 

  97. // CHECK:STDOUT: }
    98. 

  98. // CHECK:STDOUT:
    99. 

  99. // CHECK:STDOUT: ; Function Attrs: nounwind
    100. 

  100. // CHECK:STDOUT: define weak_odr void @"_COp.d0e333d8efe6ef1d:core.Destroy.Core"(ptr %self) #0 !dbg !31 {
    101. 

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

  102. // CHECK:STDOUT:   ret void, !dbg !34
    103. 

  103. // CHECK:STDOUT: }
    104. 

  104. // CHECK:STDOUT:
    105. 

  105. // CHECK:STDOUT: ; Function Attrs: nounwind
    106. 

  106. // CHECK:STDOUT: define weak_odr void @"_COp.27527d1de6170640:core.Destroy.Core"(ptr %self) #0 !dbg !35 {
    107. 

  107. // CHECK:STDOUT: entry:
    108. 

  108. // CHECK:STDOUT:   ret void, !dbg !38
    109. 

  109. // CHECK:STDOUT: }
    110. 

  110. // CHECK:STDOUT:
    111. 

  111. // CHECK:STDOUT: ; Function Attrs: nounwind
    112. 

  112. // CHECK:STDOUT: define weak_odr void @"_COp.9a6e0f157f6aaaf4:core.Destroy.Core"(ptr %self) #0 !dbg !39 {
    113. 

  113. // CHECK:STDOUT: entry:
    114. 

  114. // CHECK:STDOUT:   ret void, !dbg !42
    115. 

  115. // CHECK:STDOUT: }
    116. 

  116. // CHECK:STDOUT:
    117. 

  117. // CHECK:STDOUT: ; Function Attrs: nounwind
    118. 

  118. // CHECK:STDOUT: define weak_odr void @"_COp.a27a6de502cec337:core.Destroy.Core"(ptr %self) #0 !dbg !43 {
    119. 

  119. // CHECK:STDOUT: entry:
    120. 

  120. // CHECK:STDOUT:   ret void, !dbg !46
    121. 

  121. // CHECK:STDOUT: }
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    124. 

  124. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    125. 

  125. // CHECK:STDOUT:
    126. 

  126. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    127. 

  127. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
    128. 

  128. // CHECK:STDOUT:
    129. 

  129. // CHECK:STDOUT: ; Function Attrs: nounwind
    130. 

  130. // CHECK:STDOUT: define linkonce_odr void @"_CNewCursor.EmptyRange.1ccc388edee5a786.Main:Iterate.Core.8d745d19e7d6c4bd"(ptr %self) #0 !dbg !47 {
    131. 

  131. // CHECK:STDOUT: entry:
    132. 

  132. // CHECK:STDOUT:   ret void, !dbg !50
    133. 

  133. // CHECK:STDOUT: }
    134. 

  134. // CHECK:STDOUT:
    135. 

  135. // CHECK:STDOUT: ; Function Attrs: nounwind
    136. 

  136. // CHECK:STDOUT: define linkonce_odr void @"_CNext.EmptyRange.1ccc388edee5a786.Main:Iterate.Core.8d745d19e7d6c4bd"(ptr sret(<{ { i32, i32 }, i1 }>) %return, ptr %self, ptr %_) #0 !dbg !51 {
    137. 

  137. // CHECK:STDOUT: entry:
    138. 

  138. // CHECK:STDOUT:   call void @_CNone.Optional.Core.6b64456bb8003a40(ptr %return), !dbg !57
    139. 

  139. // CHECK:STDOUT:   ret void, !dbg !58
    140. 

  140. // CHECK:STDOUT: }
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: ; Function Attrs: nounwind
    143. 

  143. // CHECK:STDOUT: define linkonce_odr i1 @_CHasValue.Optional.Core.6b64456bb8003a40(ptr %self) #0 !dbg !59 {
    144. 

  144. // CHECK:STDOUT:   %1 = call i1 @"_CHas.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd"(ptr %self), !dbg !65
    145. 

  145. // CHECK:STDOUT:   ret i1 %1, !dbg !66
    146. 

  146. // CHECK:STDOUT: }
    147. 

  147. // CHECK:STDOUT:
    148. 

  148. // CHECK:STDOUT: ; Function Attrs: nounwind
    149. 

  149. // CHECK:STDOUT: define linkonce_odr void @_CGet.Optional.Core.6b64456bb8003a40(ptr sret({ i32, i32 }) %return, ptr %self) #0 !dbg !67 {
    150. 

  150. // CHECK:STDOUT:   call void @"_CGet.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd"(ptr %return, ptr %self), !dbg !70
    151. 

  151. // CHECK:STDOUT:   ret void, !dbg !71
    152. 

  152. // CHECK:STDOUT: }
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: ; Function Attrs: nounwind
    155. 

  155. // CHECK:STDOUT: define linkonce_odr void @_CNone.Optional.Core.6b64456bb8003a40(ptr sret(<{ { i32, i32 }, i1 }>) %return) #0 !dbg !72 {
    156. 

  156. // CHECK:STDOUT:   call void @"_CNone.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd"(ptr %return), !dbg !75
    157. 

  157. // CHECK:STDOUT:   ret void, !dbg !76
    158. 

  158. // CHECK:STDOUT: }
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: ; Function Attrs: nounwind
    161. 

  161. // CHECK:STDOUT: define linkonce_odr i1 @"_CHas.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd"(ptr %value) #0 !dbg !77 {
    162. 

  162. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw <{ { i32, i32 }, i1 }>, ptr %value, i32 0, i32 1, !dbg !80
    163. 

  163. // CHECK:STDOUT:   %1 = load i8, ptr %has_value, align 1, !dbg !80
    164. 

  164. // CHECK:STDOUT:   %2 = trunc i8 %1 to i1, !dbg !80
    165. 

  165. // CHECK:STDOUT:   ret i1 %2, !dbg !81
    166. 

  166. // CHECK:STDOUT: }
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: ; Function Attrs: nounwind
    169. 

  169. // CHECK:STDOUT: define linkonce_odr void @"_CGet.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd"(ptr sret({ i32, i32 }) %return, ptr %value) #0 !dbg !82 {
    170. 

  170. // CHECK:STDOUT:   %value1 = getelementptr inbounds nuw <{ { i32, i32 }, i1 }>, ptr %value, i32 0, i32 0, !dbg !85
    171. 

  171. // CHECK:STDOUT:   call void @"_COp.e4daa70d026fdea2:Copy.Core.3e36085cb869f630"(ptr %return, ptr %value1), !dbg !85
    172. 

  172. // CHECK:STDOUT:   ret void, !dbg !86
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: ; Function Attrs: nounwind
    176. 

  176. // CHECK:STDOUT: define linkonce_odr void @"_CNone.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd"(ptr sret(<{ { i32, i32 }, i1 }>) %return) #0 !dbg !87 {
    177. 

  177. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw <{ { i32, i32 }, i1 }>, ptr %return, i32 0, i32 1, !dbg !88
    178. 

  178. // CHECK:STDOUT:   store i8 0, ptr %has_value, align 1, !dbg !88
    179. 

  179. // CHECK:STDOUT:   ret void, !dbg !89
    180. 

  180. // CHECK:STDOUT: }
    181. 

  181. // CHECK:STDOUT:
    182. 

  182. // CHECK:STDOUT: ; Function Attrs: nounwind
    183. 

  183. // CHECK:STDOUT: define linkonce_odr void @"_COp.e4daa70d026fdea2:Copy.Core.3e36085cb869f630"(ptr sret({ i32, i32 }) %return, ptr %self) #0 !dbg !90 {
    184. 

  184. // CHECK:STDOUT:   %tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %self, i32 0, i32 0, !dbg !94
    185. 

  185. // CHECK:STDOUT:   %tuple.elem.load = load i32, ptr %tuple.elem, align 4, !dbg !94
    186. 

  186. // CHECK:STDOUT:   %tuple.elem1 = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 0, !dbg !95
    187. 

  187. // CHECK:STDOUT:   %tuple.elem2 = getelementptr inbounds nuw { i32, i32 }, ptr %self, i32 0, i32 1, !dbg !96
    188. 

  188. // CHECK:STDOUT:   %tuple.elem.load3 = load i32, ptr %tuple.elem2, align 4, !dbg !96
    189. 

  189. // CHECK:STDOUT:   %tuple.elem4 = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 1, !dbg !95
    190. 

  190. // CHECK:STDOUT:   store i32 %tuple.elem.load, ptr %tuple.elem1, align 4, !dbg !95
    191. 

  191. // CHECK:STDOUT:   store i32 %tuple.elem.load3, ptr %tuple.elem4, align 4, !dbg !95
    192. 

  192. // CHECK:STDOUT:   ret void, !dbg !97
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: ; uselistorder directives
    196. 

  196. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
    197. 

  197. // CHECK:STDOUT:
    198. 

  198. // CHECK:STDOUT: attributes #0 = { nounwind }
    199. 

  199. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    200. 

  200. // CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    201. 

  201. // CHECK:STDOUT:
    202. 

  202. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    203. 

  203. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    204. 

  204. // CHECK:STDOUT:
    205. 

  205. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    206. 

  206. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    207. 

  207. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    208. 

  208. // CHECK:STDOUT: !3 = !DIFile(filename: "bindings.carbon", directory: "")
    209. 

  209. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "For", linkageName: "_CFor.Main", scope: null, file: !3, line: 26, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    210. 

  210. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    211. 

  211. // CHECK:STDOUT: !6 = !{null}
    212. 

  212. // CHECK:STDOUT: !7 = !DILocation(line: 27, column: 3, scope: !4)
    213. 

  213. // CHECK:STDOUT: !8 = !DILocation(line: 29, column: 7, scope: !4)
    214. 

  214. // CHECK:STDOUT: !9 = !DILocation(line: 29, column: 17, scope: !4)
    215. 

  215. // CHECK:STDOUT: !10 = !DILocation(line: 30, column: 5, scope: !4)
    216. 

  216. // CHECK:STDOUT: !11 = !DILocation(line: 29, column: 3, scope: !4)
    217. 

  217. // CHECK:STDOUT: !12 = !DILocation(line: 26, column: 1, scope: !4)
    218. 

  218. // CHECK:STDOUT: !13 = distinct !DISubprogram(name: "Op", linkageName: "_COp.7e389eab4a7e5487:core.Destroy.Core", scope: null, file: !3, line: 27, type: !14, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !17)
    219. 

  219. // CHECK:STDOUT: !14 = !DISubroutineType(types: !15)
    220. 

  220. // CHECK:STDOUT: !15 = !{null, !16}
    221. 

  221. // CHECK:STDOUT: !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
    222. 

  222. // CHECK:STDOUT: !17 = !{!18}
    223. 

  223. // CHECK:STDOUT: !18 = !DILocalVariable(arg: 1, scope: !13, type: !16)
    224. 

  224. // CHECK:STDOUT: !19 = !DILocation(line: 27, column: 10, scope: !13)
    225. 

  225. // CHECK:STDOUT: !20 = distinct !DISubprogram(name: "Op", linkageName: "_COp.8e354c83fe88ab86:core.Destroy.Core", scope: null, file: !3, line: 27, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !24)
    226. 

  226. // CHECK:STDOUT: !21 = !DISubroutineType(types: !22)
    227. 

  227. // CHECK:STDOUT: !22 = !{null, !23}
    228. 

  228. // CHECK:STDOUT: !23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
    229. 

  229. // CHECK:STDOUT: !24 = !{!25}
    230. 

  230. // CHECK:STDOUT: !25 = !DILocalVariable(arg: 1, scope: !20, type: !23)
    231. 

  231. // CHECK:STDOUT: !26 = !DILocation(line: 27, column: 10, scope: !20)
    232. 

  232. // CHECK:STDOUT: !27 = distinct !DISubprogram(name: "Op", linkageName: "_COp.eba7b12fbfc5bcf2:core.Destroy.Core", scope: null, file: !3, line: 29, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !28)
    233. 

  233. // CHECK:STDOUT: !28 = !{!29}
    234. 

  234. // CHECK:STDOUT: !29 = !DILocalVariable(arg: 1, scope: !27, type: !23)
    235. 

  235. // CHECK:STDOUT: !30 = !DILocation(line: 29, column: 7, scope: !27)
    236. 

  236. // CHECK:STDOUT: !31 = distinct !DISubprogram(name: "Op", linkageName: "_COp.d0e333d8efe6ef1d:core.Destroy.Core", scope: null, file: !3, line: 29, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !32)
    237. 

  237. // CHECK:STDOUT: !32 = !{!33}
    238. 

  238. // CHECK:STDOUT: !33 = !DILocalVariable(arg: 1, scope: !31, type: !23)
    239. 

  239. // CHECK:STDOUT: !34 = !DILocation(line: 29, column: 7, scope: !31)
    240. 

  240. // CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.27527d1de6170640:core.Destroy.Core", scope: null, file: !3, line: 29, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !36)
    241. 

  241. // CHECK:STDOUT: !36 = !{!37}
    242. 

  242. // CHECK:STDOUT: !37 = !DILocalVariable(arg: 1, scope: !35, type: !23)
    243. 

  243. // CHECK:STDOUT: !38 = !DILocation(line: 29, column: 7, scope: !35)
    244. 

  244. // CHECK:STDOUT: !39 = distinct !DISubprogram(name: "Op", linkageName: "_COp.9a6e0f157f6aaaf4:core.Destroy.Core", scope: null, file: !3, line: 29, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !40)
    245. 

  245. // CHECK:STDOUT: !40 = !{!41}
    246. 

  246. // CHECK:STDOUT: !41 = !DILocalVariable(arg: 1, scope: !39, type: !23)
    247. 

  247. // CHECK:STDOUT: !42 = !DILocation(line: 29, column: 7, scope: !39)
    248. 

  248. // CHECK:STDOUT: !43 = distinct !DISubprogram(name: "Op", linkageName: "_COp.a27a6de502cec337:core.Destroy.Core", scope: null, file: !3, line: 27, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !44)
    249. 

  249. // CHECK:STDOUT: !44 = !{!45}
    250. 

  250. // CHECK:STDOUT: !45 = !DILocalVariable(arg: 1, scope: !43, type: !23)
    251. 

  251. // CHECK:STDOUT: !46 = !DILocation(line: 27, column: 3, scope: !43)
    252. 

  252. // CHECK:STDOUT: !47 = distinct !DISubprogram(name: "NewCursor", linkageName: "_CNewCursor.EmptyRange.1ccc388edee5a786.Main:Iterate.Core.8d745d19e7d6c4bd", scope: null, file: !3, line: 15, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !48)
    253. 

  253. // CHECK:STDOUT: !48 = !{!49}
    254. 

  254. // CHECK:STDOUT: !49 = !DILocalVariable(arg: 1, scope: !47, type: !23)
    255. 

  255. // CHECK:STDOUT: !50 = !DILocation(line: 16, column: 7, scope: !47)
    256. 

  256. // CHECK:STDOUT: !51 = distinct !DISubprogram(name: "Next", linkageName: "_CNext.EmptyRange.1ccc388edee5a786.Main:Iterate.Core.8d745d19e7d6c4bd", scope: null, file: !3, line: 18, type: !52, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !54)
    257. 

  257. // CHECK:STDOUT: !52 = !DISubroutineType(types: !53)
    258. 

  258. // CHECK:STDOUT: !53 = !{!23, !23, !23}
    259. 

  259. // CHECK:STDOUT: !54 = !{!55, !56}
    260. 

  260. // CHECK:STDOUT: !55 = !DILocalVariable(arg: 1, scope: !51, type: !23)
    261. 

  261. // CHECK:STDOUT: !56 = !DILocalVariable(arg: 2, scope: !51, type: !23)
    262. 

  262. // CHECK:STDOUT: !57 = !DILocation(line: 19, column: 14, scope: !51)
    263. 

  263. // CHECK:STDOUT: !58 = !DILocation(line: 19, column: 7, scope: !51)
    264. 

  264. // CHECK:STDOUT: !59 = distinct !DISubprogram(name: "HasValue", linkageName: "_CHasValue.Optional.Core.6b64456bb8003a40", scope: null, file: !60, line: 33, type: !61, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !63)
    265. 

  265. // CHECK:STDOUT: !60 = !DIFile(filename: "{{.*}}/prelude/types/optional.carbon", directory: "")
    266. 

  266. // CHECK:STDOUT: !61 = !DISubroutineType(types: !62)
    267. 

  267. // CHECK:STDOUT: !62 = !{!23, !23}
    268. 

  268. // CHECK:STDOUT: !63 = !{!64}
    269. 

  269. // CHECK:STDOUT: !64 = !DILocalVariable(arg: 1, scope: !59, type: !23)
    270. 

  270. // CHECK:STDOUT: !65 = !DILocation(line: 34, column: 12, scope: !59)
    271. 

  271. // CHECK:STDOUT: !66 = !DILocation(line: 34, column: 5, scope: !59)
    272. 

  272. // CHECK:STDOUT: !67 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.Optional.Core.6b64456bb8003a40", scope: null, file: !60, line: 36, type: !61, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !68)
    273. 

  273. // CHECK:STDOUT: !68 = !{!69}
    274. 

  274. // CHECK:STDOUT: !69 = !DILocalVariable(arg: 1, scope: !67, type: !23)
    275. 

  275. // CHECK:STDOUT: !70 = !DILocation(line: 37, column: 12, scope: !67)
    276. 

  276. // CHECK:STDOUT: !71 = !DILocation(line: 37, column: 5, scope: !67)
    277. 

  277. // CHECK:STDOUT: !72 = distinct !DISubprogram(name: "None", linkageName: "_CNone.Optional.Core.6b64456bb8003a40", scope: null, file: !60, line: 27, type: !73, spFlags: DISPFlagDefinition, unit: !2)
    278. 

  278. // CHECK:STDOUT: !73 = !DISubroutineType(types: !74)
    279. 

  279. // CHECK:STDOUT: !74 = !{!23}
    280. 

  280. // CHECK:STDOUT: !75 = !DILocation(line: 28, column: 12, scope: !72)
    281. 

  281. // CHECK:STDOUT: !76 = !DILocation(line: 28, column: 5, scope: !72)
    282. 

  282. // CHECK:STDOUT: !77 = distinct !DISubprogram(name: "Has", linkageName: "_CHas.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd", scope: null, file: !60, line: 132, type: !61, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !78)
    283. 

  283. // CHECK:STDOUT: !78 = !{!79}
    284. 

  284. // CHECK:STDOUT: !79 = !DILocalVariable(arg: 1, scope: !77, type: !23)
    285. 

  285. // CHECK:STDOUT: !80 = !DILocation(line: 133, column: 12, scope: !77)
    286. 

  286. // CHECK:STDOUT: !81 = !DILocation(line: 133, column: 5, scope: !77)
    287. 

  287. // CHECK:STDOUT: !82 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd", scope: null, file: !60, line: 135, type: !61, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !83)
    288. 

  288. // CHECK:STDOUT: !83 = !{!84}
    289. 

  289. // CHECK:STDOUT: !84 = !DILocalVariable(arg: 1, scope: !82, type: !23)
    290. 

  290. // CHECK:STDOUT: !85 = !DILocation(line: 136, column: 12, scope: !82)
    291. 

  291. // CHECK:STDOUT: !86 = !DILocation(line: 136, column: 5, scope: !82)
    292. 

  292. // CHECK:STDOUT: !87 = distinct !DISubprogram(name: "None", linkageName: "_CNone.3e8267224c5dc9c2:OptionalStorage.Core.8d745d19e7d6c4bd", scope: null, file: !60, line: 116, type: !73, spFlags: DISPFlagDefinition, unit: !2)
    293. 

  293. // CHECK:STDOUT: !88 = !DILocation(line: 119, column: 5, scope: !87)
    294. 

  294. // CHECK:STDOUT: !89 = !DILocation(line: 120, column: 5, scope: !87)
    295. 

  295. // CHECK:STDOUT: !90 = distinct !DISubprogram(name: "Op", linkageName: "_COp.e4daa70d026fdea2:Copy.Core.3e36085cb869f630", scope: null, file: !91, line: 58, type: !61, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !92)
    296. 

  296. // CHECK:STDOUT: !91 = !DIFile(filename: "{{.*}}/prelude/copy.carbon", directory: "")
    297. 

  297. // CHECK:STDOUT: !92 = !{!93}
    298. 

  298. // CHECK:STDOUT: !93 = !DILocalVariable(arg: 1, scope: !90, type: !23)
    299. 

  299. // CHECK:STDOUT: !94 = !DILocation(line: 59, column: 13, scope: !90)
    300. 

  300. // CHECK:STDOUT: !95 = !DILocation(line: 59, column: 12, scope: !90)
    301. 

  301. // CHECK:STDOUT: !96 = !DILocation(line: 59, column: 26, scope: !90)
    302. 

  302. // CHECK:STDOUT: !97 = !DILocation(line: 59, column: 5, scope: !90)
    303.