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carbon-lang
/
toolchain
/
lower
/
testdata
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primitives
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optional.carbon

optional.carbon 28 KB
История Исходник

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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. // This is an integration test for the Core.Optional in the prelude, so use the
    6. 

  6. // real prelude.
    7. 

  7. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
    8. 

  8. // EXTRA-ARGS: --target=x86_64-linux-gnu
    9. 

  9. //
    10. 

  10. // AUTOUPDATE
    11. 

  11. // TIP: To test this file alone, run:
    12. 

  12. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/primitives/optional.carbon
    13. 

  13. // TIP: To dump output, run:
    14. 

  14. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/primitives/optional.carbon
    15. 

  15. 

  16. fn Convert(o: Core.Optional(i32*)) -> Core.Optional(i32) {
    17. 

  17.   if (o.HasValue()) {
    18. 

  18.     return *o.Get();
    19. 

  19.   }
    20. 

  20.   return Core.Optional(i32).None();
    21. 

  21. }
    22. 

  22. 

  23. fn AddOrRemoveConst(a: i32, b: const i32) {
    24. 

  24.   var oa: Core.Optional(i32) = a;
    25. 

  25.   var coa: const Core.Optional(i32) = a;
    26. 

  26.   var oca: Core.Optional(const i32) = a;
    27. 

  27.   var coca: const Core.Optional(const i32) = a;
    28. 

  28.   var ob: Core.Optional(i32) = b;
    29. 

  29.   var cob: const Core.Optional(i32) = b;
    30. 

  30.   var ocb: Core.Optional(const i32) = b;
    31. 

  31.   var cocb: const Core.Optional(const i32) = b;
    32. 

  32. }
    33. 

  33. 

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

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

  36. // CHECK:STDOUT:
    37. 

  37. // CHECK:STDOUT: ; Function Attrs: nounwind
    38. 

  38. // CHECK:STDOUT: define void @_CConvert.Main(ptr sret({ i32, i1 }) %return, ptr %o) #0 !dbg !4 {
    39. 

  39. // CHECK:STDOUT: entry:
    40. 

  40. // CHECK:STDOUT:   %Optional.HasValue.call = call i1 @_CHasValue.Optional.Core.3f7399a9df1fa476(ptr %o), !dbg !10
    41. 

  41. // CHECK:STDOUT:   br i1 %Optional.HasValue.call, label %if.then, label %if.else, !dbg !11
    42. 

  42. // CHECK:STDOUT:
    43. 

  43. // CHECK:STDOUT: if.then:                                          ; preds = %entry
    44. 

  44. // CHECK:STDOUT:   %Optional.Get.call = call ptr @_CGet.Optional.Core.3f7399a9df1fa476(ptr %o), !dbg !12
    45. 

  45. // CHECK:STDOUT:   %.loc18_12.2 = load i32, ptr %Optional.Get.call, align 4, !dbg !13
    46. 

  46. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08"(ptr %return, i32 %.loc18_12.2), !dbg !14
    47. 

  47. // CHECK:STDOUT:   ret void, !dbg !14
    48. 

  48. // CHECK:STDOUT:
    49. 

  49. // CHECK:STDOUT: if.else:                                          ; preds = %entry
    50. 

  50. // CHECK:STDOUT:   call void @_CNone.Optional.Core.3fdecd6bfa9453e7(ptr %return), !dbg !15
    51. 

  51. // CHECK:STDOUT:   ret void, !dbg !16
    52. 

  52. // CHECK:STDOUT: }
    53. 

  53. // CHECK:STDOUT:
    54. 

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

  55. // CHECK:STDOUT: define void @_CAddOrRemoveConst.Main(i32 %a, i32 %b) #0 !dbg !17 {
    56. 

  56. // CHECK:STDOUT: entry:
    57. 

  57. // CHECK:STDOUT:   %oa.var = alloca { i32, i1 }, align 8, !dbg !24
    58. 

  58. // CHECK:STDOUT:   %coa.var = alloca { i32, i1 }, align 8, !dbg !25
    59. 

  59. // CHECK:STDOUT:   %oca.var = alloca { i32, i1 }, align 8, !dbg !26
    60. 

  60. // CHECK:STDOUT:   %coca.var = alloca { i32, i1 }, align 8, !dbg !27
    61. 

  61. // CHECK:STDOUT:   %ob.var = alloca { i32, i1 }, align 8, !dbg !28
    62. 

  62. // CHECK:STDOUT:   %cob.var = alloca { i32, i1 }, align 8, !dbg !29
    63. 

  63. // CHECK:STDOUT:   %ocb.var = alloca { i32, i1 }, align 8, !dbg !30
    64. 

  64. // CHECK:STDOUT:   %cocb.var = alloca { i32, i1 }, align 8, !dbg !31
    65. 

  65. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %oa.var), !dbg !24
    66. 

  66. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08"(ptr %oa.var, i32 %a), !dbg !24
    67. 

  67. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %coa.var), !dbg !25
    68. 

  68. // CHECK:STDOUT:   call void @"_CConvert.b911a754667cc32d:ImplicitAs.Core.bff858d138853faa"(ptr %coa.var, i32 %a), !dbg !25
    69. 

  69. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %oca.var), !dbg !26
    70. 

  70. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.53f0f4b5bf52eb82"(ptr %oca.var, i32 %a), !dbg !26
    71. 

  71. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %coca.var), !dbg !27
    72. 

  72. // CHECK:STDOUT:   call void @"_CConvert.b911a754667cc32d:ImplicitAs.Core.b8d13d79840ff664"(ptr %coca.var, i32 %a), !dbg !27
    73. 

  73. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ob.var), !dbg !28
    74. 

  74. // CHECK:STDOUT:   call void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.bff858d138853faa"(ptr %ob.var, i32 %b), !dbg !28
    75. 

  75. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %cob.var), !dbg !29
    76. 

  76. // CHECK:STDOUT:   call void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.b793135ca3b3d8d5"(ptr %cob.var, i32 %b), !dbg !29
    77. 

  77. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ocb.var), !dbg !30
    78. 

  78. // CHECK:STDOUT:   call void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.b8d13d79840ff664"(ptr %ocb.var, i32 %b), !dbg !30
    79. 

  79. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %cocb.var), !dbg !31
    80. 

  80. // CHECK:STDOUT:   call void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.88eda3904106c754"(ptr %cocb.var, i32 %b), !dbg !31
    81. 

  81. // CHECK:STDOUT:   ret void, !dbg !32
    82. 

  82. // CHECK:STDOUT: }
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: ; Function Attrs: nounwind
    85. 

  85. // CHECK:STDOUT: define linkonce_odr i1 @_CHasValue.Optional.Core.3f7399a9df1fa476(ptr %self) #0 !dbg !33 {
    86. 

  86. // CHECK:STDOUT:   %1 = icmp eq ptr %self, null, !dbg !37
    87. 

  87. // CHECK:STDOUT:   ret i1 %1, !dbg !38
    88. 

  88. // CHECK:STDOUT: }
    89. 

  89. // CHECK:STDOUT:
    90. 

  90. // CHECK:STDOUT: ; Function Attrs: nounwind
    91. 

  91. // CHECK:STDOUT: define linkonce_odr ptr @_CGet.Optional.Core.3f7399a9df1fa476(ptr %self) #0 !dbg !39 {
    92. 

  92. // CHECK:STDOUT:   %1 = call ptr @"_CGet.e8f8f92d3d08d149:OptionalStorage.Core.b88d1103f417c6d4"(ptr %self), !dbg !42
    93. 

  93. // CHECK:STDOUT:   ret ptr %1, !dbg !43
    94. 

  94. // CHECK:STDOUT: }
    95. 

  95. // CHECK:STDOUT:
    96. 

  96. // CHECK:STDOUT: ; Function Attrs: nounwind
    97. 

  97. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !44 {
    98. 

  98. // CHECK:STDOUT:   call void @"_CConvert.f8c690e9701eb7d2:OptionalAs.Core.3fdecd6bfa9453e7"(ptr %return, i32 %self), !dbg !49
    99. 

  99. // CHECK:STDOUT:   ret void, !dbg !50
    100. 

  100. // CHECK:STDOUT: }
    101. 

  101. // CHECK:STDOUT:
    102. 

  102. // CHECK:STDOUT: ; Function Attrs: nounwind
    103. 

  103. // CHECK:STDOUT: define linkonce_odr void @_CNone.Optional.Core.3fdecd6bfa9453e7(ptr sret({ i32, i1 }) %return) #0 !dbg !51 {
    104. 

  104. // CHECK:STDOUT:   call void @"_CNone.e5bf07b1b9c2cbc2:OptionalStorage.Core.d35bd5561e71da34"(ptr %return), !dbg !54
    105. 

  105. // CHECK:STDOUT:   ret void, !dbg !55
    106. 

  106. // CHECK:STDOUT: }
    107. 

  107. // CHECK:STDOUT:
    108. 

  108. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    109. 

  109. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    110. 

  110. // CHECK:STDOUT:
    111. 

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

  112. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.b911a754667cc32d:ImplicitAs.Core.bff858d138853faa"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !56 {
    113. 

  113. // CHECK:STDOUT:   %temp = alloca { i32, i1 }, align 8, !dbg !60
    114. 

  114. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %temp), !dbg !60
    115. 

  115. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08"(ptr %temp, i32 %self), !dbg !60
    116. 

  116. // CHECK:STDOUT:   ret void, !dbg !61
    117. 

  117. // CHECK:STDOUT: }
    118. 

  118. // CHECK:STDOUT:
    119. 

  119. // CHECK:STDOUT: ; Function Attrs: nounwind
    120. 

  120. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.53f0f4b5bf52eb82"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !62 {
    121. 

  121. // CHECK:STDOUT:   call void @"_CConvert.9245b763a8412226:OptionalAs.Core.524e4f3aae2139bc"(ptr %return, i32 %self), !dbg !65
    122. 

  122. // CHECK:STDOUT:   ret void, !dbg !66
    123. 

  123. // CHECK:STDOUT: }
    124. 

  124. // CHECK:STDOUT:
    125. 

  125. // CHECK:STDOUT: ; Function Attrs: nounwind
    126. 

  126. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.b911a754667cc32d:ImplicitAs.Core.b8d13d79840ff664"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !67 {
    127. 

  127. // CHECK:STDOUT:   %temp = alloca { i32, i1 }, align 8, !dbg !70
    128. 

  128. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %temp), !dbg !70
    129. 

  129. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.53f0f4b5bf52eb82"(ptr %temp, i32 %self), !dbg !70
    130. 

  130. // CHECK:STDOUT:   ret void, !dbg !71
    131. 

  131. // CHECK:STDOUT: }
    132. 

  132. // CHECK:STDOUT:
    133. 

  133. // CHECK:STDOUT: ; Function Attrs: nounwind
    134. 

  134. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.bff858d138853faa"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !72 {
    135. 

  135. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08"(ptr %return, i32 %self), !dbg !75
    136. 

  136. // CHECK:STDOUT:   ret void, !dbg !76
    137. 

  137. // CHECK:STDOUT: }
    138. 

  138. // CHECK:STDOUT:
    139. 

  139. // CHECK:STDOUT: ; Function Attrs: nounwind
    140. 

  140. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.b793135ca3b3d8d5"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !77 {
    141. 

  141. // CHECK:STDOUT:   call void @"_CConvert.b911a754667cc32d:ImplicitAs.Core.bff858d138853faa"(ptr %return, i32 %self), !dbg !80
    142. 

  142. // CHECK:STDOUT:   ret void, !dbg !81
    143. 

  143. // CHECK:STDOUT: }
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: ; Function Attrs: nounwind
    146. 

  146. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.b8d13d79840ff664"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !82 {
    147. 

  147. // CHECK:STDOUT:   call void @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.53f0f4b5bf52eb82"(ptr %return, i32 %self), !dbg !85
    148. 

  148. // CHECK:STDOUT:   ret void, !dbg !86
    149. 

  149. // CHECK:STDOUT: }
    150. 

  150. // CHECK:STDOUT:
    151. 

  151. // CHECK:STDOUT: ; Function Attrs: nounwind
    152. 

  152. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.88eda3904106c754"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !87 {
    153. 

  153. // CHECK:STDOUT:   call void @"_CConvert.b911a754667cc32d:ImplicitAs.Core.b8d13d79840ff664"(ptr %return, i32 %self), !dbg !90
    154. 

  154. // CHECK:STDOUT:   ret void, !dbg !91
    155. 

  155. // CHECK:STDOUT: }
    156. 

  156. // CHECK:STDOUT:
    157. 

  157. // CHECK:STDOUT: ; Function Attrs: nounwind
    158. 

  158. // CHECK:STDOUT: define linkonce_odr ptr @"_CGet.e8f8f92d3d08d149:OptionalStorage.Core.b88d1103f417c6d4"(ptr %value) #0 !dbg !92 {
    159. 

  159. // CHECK:STDOUT:   ret ptr %value, !dbg !95
    160. 

  160. // CHECK:STDOUT: }
    161. 

  161. // CHECK:STDOUT:
    162. 

  162. // CHECK:STDOUT: ; Function Attrs: nounwind
    163. 

  163. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.f8c690e9701eb7d2:OptionalAs.Core.3fdecd6bfa9453e7"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !96 {
    164. 

  164. // CHECK:STDOUT:   call void @_CSome.Optional.Core.3fdecd6bfa9453e7(ptr %return, i32 %self), !dbg !99
    165. 

  165. // CHECK:STDOUT:   ret void, !dbg !100
    166. 

  166. // CHECK:STDOUT: }
    167. 

  167. // CHECK:STDOUT:
    168. 

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

  169. // CHECK:STDOUT: define linkonce_odr void @"_CNone.e5bf07b1b9c2cbc2:OptionalStorage.Core.d35bd5561e71da34"(ptr sret({ i32, i1 }) %return) #0 !dbg !101 {
    170. 

  170. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 1, !dbg !102
    171. 

  171. // CHECK:STDOUT:   store i8 0, ptr %has_value, align 1, !dbg !102
    172. 

  172. // CHECK:STDOUT:   ret void, !dbg !103
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

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

  176. // CHECK:STDOUT: define linkonce_odr void @"_CConvert.9245b763a8412226:OptionalAs.Core.524e4f3aae2139bc"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !104 {
    177. 

  177. // CHECK:STDOUT:   %temp = alloca i32, align 4, !dbg !107
    178. 

  178. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %temp), !dbg !107
    179. 

  179. // CHECK:STDOUT:   %1 = call i32 @"_CConvert.b911a754667cc32d:ImplicitAs.Core.b20b249c26c0eb17"(i32 %self), !dbg !107
    180. 

  180. // CHECK:STDOUT:   store i32 %1, ptr %temp, align 4, !dbg !107
    181. 

  181. // CHECK:STDOUT:   %2 = load i32, ptr %temp, align 4, !dbg !107
    182. 

  182. // CHECK:STDOUT:   call void @_CSome.Optional.Core.af69af1a651d4cfb(ptr %return, i32 %2), !dbg !108
    183. 

  183. // CHECK:STDOUT:   ret void, !dbg !109
    184. 

  184. // CHECK:STDOUT: }
    185. 

  185. // CHECK:STDOUT:
    186. 

  186. // CHECK:STDOUT: ; Function Attrs: nounwind
    187. 

  187. // CHECK:STDOUT: define linkonce_odr void @_CSome.Optional.Core.3fdecd6bfa9453e7(ptr sret({ i32, i1 }) %return, i32 %value) #0 !dbg !110 {
    188. 

  188. // CHECK:STDOUT:   call void @"_CSome.e5bf07b1b9c2cbc2:OptionalStorage.Core.d35bd5561e71da34"(ptr %return, i32 %value), !dbg !113
    189. 

  189. // CHECK:STDOUT:   ret void, !dbg !114
    190. 

  190. // CHECK:STDOUT: }
    191. 

  191. // CHECK:STDOUT:
    192. 

  192. // CHECK:STDOUT: ; Function Attrs: nounwind
    193. 

  193. // CHECK:STDOUT: define linkonce_odr i32 @"_CConvert.b911a754667cc32d:ImplicitAs.Core.b20b249c26c0eb17"(i32 %self) #0 !dbg !115 {
    194. 

  194. // CHECK:STDOUT:   %temp = alloca i32, align 4, !dbg !118
    195. 

  195. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %temp), !dbg !118
    196. 

  196. // CHECK:STDOUT:   %1 = call i32 @"_CConvert.e5bf07b1b9c2cbc2:ImplicitAs.Core.d35bd5561e71da34"(i32 %self), !dbg !118
    197. 

  197. // CHECK:STDOUT:   ret i32 %1, !dbg !119
    198. 

  198. // CHECK:STDOUT: }
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: ; Function Attrs: nounwind
    201. 

  201. // CHECK:STDOUT: define linkonce_odr void @_CSome.Optional.Core.af69af1a651d4cfb(ptr sret({ i32, i1 }) %return, i32 %value) #0 !dbg !120 {
    202. 

  202. // CHECK:STDOUT:   call void @"_CSome.e5bf07b1b9c2cbc2:OptionalStorage.Core.fcf74894b228d55e"(ptr %return, i32 %value), !dbg !123
    203. 

  203. // CHECK:STDOUT:   ret void, !dbg !124
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206. 

  206. // CHECK:STDOUT: ; Function Attrs: nounwind
    207. 

  207. // CHECK:STDOUT: define linkonce_odr void @"_CSome.e5bf07b1b9c2cbc2:OptionalStorage.Core.d35bd5561e71da34"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !125 {
    208. 

  208. // CHECK:STDOUT:   %value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 0, !dbg !128
    209. 

  209. // CHECK:STDOUT:   store i32 %self, ptr %value, align 4, !dbg !128
    210. 

  210. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 1, !dbg !129
    211. 

  211. // CHECK:STDOUT:   store i8 1, ptr %has_value, align 1, !dbg !129
    212. 

  212. // CHECK:STDOUT:   ret void, !dbg !130
    213. 

  213. // CHECK:STDOUT: }
    214. 

  214. // CHECK:STDOUT:
    215. 

  215. // CHECK:STDOUT: ; Function Attrs: nounwind
    216. 

  216. // CHECK:STDOUT: define linkonce_odr i32 @"_CConvert.e5bf07b1b9c2cbc2:ImplicitAs.Core.d35bd5561e71da34"(i32 %self) #0 !dbg !131 {
    217. 

  217. // CHECK:STDOUT:   ret i32 %self, !dbg !136
    218. 

  218. // CHECK:STDOUT: }
    219. 

  219. // CHECK:STDOUT:
    220. 

  220. // CHECK:STDOUT: ; Function Attrs: nounwind
    221. 

  221. // CHECK:STDOUT: define linkonce_odr void @"_CSome.e5bf07b1b9c2cbc2:OptionalStorage.Core.fcf74894b228d55e"(ptr sret({ i32, i1 }) %return, i32 %self) #0 !dbg !137 {
    222. 

  222. // CHECK:STDOUT:   %value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 0, !dbg !140
    223. 

  223. // CHECK:STDOUT:   %1 = call i32 @"_COp.e3d0fdbaa569f701:Copy.Core.d35bd5561e71da34"(i32 %self), !dbg !141
    224. 

  224. // CHECK:STDOUT:   store i32 %1, ptr %value, align 4, !dbg !140
    225. 

  225. // CHECK:STDOUT:   %has_value = getelementptr inbounds nuw { i32, i1 }, ptr %return, i32 0, i32 1, !dbg !142
    226. 

  226. // CHECK:STDOUT:   store i8 1, ptr %has_value, align 1, !dbg !142
    227. 

  227. // CHECK:STDOUT:   ret void, !dbg !143
    228. 

  228. // CHECK:STDOUT: }
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: ; Function Attrs: nounwind
    231. 

  231. // CHECK:STDOUT: define linkonce_odr i32 @"_COp.e3d0fdbaa569f701:Copy.Core.d35bd5561e71da34"(i32 %self) #0 !dbg !144 {
    232. 

  232. // CHECK:STDOUT:   ret i32 %self, !dbg !148
    233. 

  233. // CHECK:STDOUT: }
    234. 

  234. // CHECK:STDOUT:
    235. 

  235. // CHECK:STDOUT: ; uselistorder directives
    236. 

  236. // CHECK:STDOUT: uselistorder ptr @"_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08", { 0, 1, 3, 2 }
    237. 

  237. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 0, 1, 2, 3, 11, 10, 9, 8, 7, 6, 5, 4 }
    238. 

  238. // CHECK:STDOUT:
    239. 

  239. // CHECK:STDOUT: attributes #0 = { nounwind }
    240. 

  240. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    241. 

  241. // CHECK:STDOUT:
    242. 

  242. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    243. 

  243. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    244. 

  244. // CHECK:STDOUT:
    245. 

  245. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    246. 

  246. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    247. 

  247. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    248. 

  248. // CHECK:STDOUT: !3 = !DIFile(filename: "optional.carbon", directory: "")
    249. 

  249. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.Main", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !8)
    250. 

  250. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    251. 

  251. // CHECK:STDOUT: !6 = !{!7, !7}
    252. 

  252. // CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 8)
    253. 

  253. // CHECK:STDOUT: !8 = !{!9}
    254. 

  254. // CHECK:STDOUT: !9 = !DILocalVariable(arg: 1, scope: !4, type: !7)
    255. 

  255. // CHECK:STDOUT: !10 = !DILocation(line: 17, column: 7, scope: !4)
    256. 

  256. // CHECK:STDOUT: !11 = !DILocation(line: 17, column: 6, scope: !4)
    257. 

  257. // CHECK:STDOUT: !12 = !DILocation(line: 18, column: 13, scope: !4)
    258. 

  258. // CHECK:STDOUT: !13 = !DILocation(line: 18, column: 12, scope: !4)
    259. 

  259. // CHECK:STDOUT: !14 = !DILocation(line: 18, column: 5, scope: !4)
    260. 

  260. // CHECK:STDOUT: !15 = !DILocation(line: 20, column: 10, scope: !4)
    261. 

  261. // CHECK:STDOUT: !16 = !DILocation(line: 20, column: 3, scope: !4)
    262. 

  262. // CHECK:STDOUT: !17 = distinct !DISubprogram(name: "AddOrRemoveConst", linkageName: "_CAddOrRemoveConst.Main", scope: null, file: !3, line: 23, type: !18, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !21)
    263. 

  263. // CHECK:STDOUT: !18 = !DISubroutineType(types: !19)
    264. 

  264. // CHECK:STDOUT: !19 = !{null, !20, !20}
    265. 

  265. // CHECK:STDOUT: !20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
    266. 

  266. // CHECK:STDOUT: !21 = !{!22, !23}
    267. 

  267. // CHECK:STDOUT: !22 = !DILocalVariable(arg: 1, scope: !17, type: !20)
    268. 

  268. // CHECK:STDOUT: !23 = !DILocalVariable(arg: 2, scope: !17, type: !20)
    269. 

  269. // CHECK:STDOUT: !24 = !DILocation(line: 24, column: 3, scope: !17)
    270. 

  270. // CHECK:STDOUT: !25 = !DILocation(line: 25, column: 3, scope: !17)
    271. 

  271. // CHECK:STDOUT: !26 = !DILocation(line: 26, column: 3, scope: !17)
    272. 

  272. // CHECK:STDOUT: !27 = !DILocation(line: 27, column: 3, scope: !17)
    273. 

  273. // CHECK:STDOUT: !28 = !DILocation(line: 28, column: 3, scope: !17)
    274. 

  274. // CHECK:STDOUT: !29 = !DILocation(line: 29, column: 3, scope: !17)
    275. 

  275. // CHECK:STDOUT: !30 = !DILocation(line: 30, column: 3, scope: !17)
    276. 

  276. // CHECK:STDOUT: !31 = !DILocation(line: 31, column: 3, scope: !17)
    277. 

  277. // CHECK:STDOUT: !32 = !DILocation(line: 23, column: 1, scope: !17)
    278. 

  278. // CHECK:STDOUT: !33 = distinct !DISubprogram(name: "HasValue", linkageName: "_CHasValue.Optional.Core.3f7399a9df1fa476", scope: null, file: !34, line: 32, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !35)
    279. 

  279. // CHECK:STDOUT: !34 = !DIFile(filename: "{{.*}}/prelude/types/optional.carbon", directory: "")
    280. 

  280. // CHECK:STDOUT: !35 = !{!36}
    281. 

  281. // CHECK:STDOUT: !36 = !DILocalVariable(arg: 1, scope: !33, type: !7)
    282. 

  282. // CHECK:STDOUT: !37 = !DILocation(line: 33, column: 12, scope: !33)
    283. 

  283. // CHECK:STDOUT: !38 = !DILocation(line: 33, column: 5, scope: !33)
    284. 

  284. // CHECK:STDOUT: !39 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.Optional.Core.3f7399a9df1fa476", scope: null, file: !34, line: 35, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !40)
    285. 

  285. // CHECK:STDOUT: !40 = !{!41}
    286. 

  286. // CHECK:STDOUT: !41 = !DILocalVariable(arg: 1, scope: !39, type: !7)
    287. 

  287. // CHECK:STDOUT: !42 = !DILocation(line: 36, column: 12, scope: !39)
    288. 

  288. // CHECK:STDOUT: !43 = !DILocation(line: 36, column: 5, scope: !39)
    289. 

  289. // CHECK:STDOUT: !44 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.8432e4edee1e3855:ImplicitAs.Core.f6267ff5805acf08", scope: null, file: !34, line: 82, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !47)
    290. 

  290. // CHECK:STDOUT: !45 = !DISubroutineType(types: !46)
    291. 

  291. // CHECK:STDOUT: !46 = !{!7, !20}
    292. 

  292. // CHECK:STDOUT: !47 = !{!48}
    293. 

  293. // CHECK:STDOUT: !48 = !DILocalVariable(arg: 1, scope: !44, type: !20)
    294. 

  294. // CHECK:STDOUT: !49 = !DILocation(line: 83, column: 12, scope: !44)
    295. 

  295. // CHECK:STDOUT: !50 = !DILocation(line: 83, column: 5, scope: !44)
    296. 

  296. // CHECK:STDOUT: !51 = distinct !DISubprogram(name: "None", linkageName: "_CNone.Optional.Core.3fdecd6bfa9453e7", scope: null, file: !34, line: 26, type: !52, spFlags: DISPFlagDefinition, unit: !2)
    297. 

  297. // CHECK:STDOUT: !52 = !DISubroutineType(types: !53)
    298. 

  298. // CHECK:STDOUT: !53 = !{!7}
    299. 

  299. // CHECK:STDOUT: !54 = !DILocation(line: 27, column: 12, scope: !51)
    300. 

  300. // CHECK:STDOUT: !55 = !DILocation(line: 27, column: 5, scope: !51)
    301. 

  301. // CHECK:STDOUT: !56 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.b911a754667cc32d:ImplicitAs.Core.bff858d138853faa", scope: null, file: !57, line: 28, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !58)
    302. 

  302. // CHECK:STDOUT: !57 = !DIFile(filename: "{{.*}}/prelude/operators/as.carbon", directory: "")
    303. 

  303. // CHECK:STDOUT: !58 = !{!59}
    304. 

  304. // CHECK:STDOUT: !59 = !DILocalVariable(arg: 1, scope: !56, type: !20)
    305. 

  305. // CHECK:STDOUT: !60 = !DILocation(line: 28, column: 45, scope: !56)
    306. 

  306. // CHECK:STDOUT: !61 = !DILocation(line: 28, column: 38, scope: !56)
    307. 

  307. // CHECK:STDOUT: !62 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.8432e4edee1e3855:ImplicitAs.Core.53f0f4b5bf52eb82", scope: null, file: !34, line: 82, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !63)
    308. 

  308. // CHECK:STDOUT: !63 = !{!64}
    309. 

  309. // CHECK:STDOUT: !64 = !DILocalVariable(arg: 1, scope: !62, type: !20)
    310. 

  310. // CHECK:STDOUT: !65 = !DILocation(line: 83, column: 12, scope: !62)
    311. 

  311. // CHECK:STDOUT: !66 = !DILocation(line: 83, column: 5, scope: !62)
    312. 

  312. // CHECK:STDOUT: !67 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.b911a754667cc32d:ImplicitAs.Core.b8d13d79840ff664", scope: null, file: !57, line: 28, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !68)
    313. 

  313. // CHECK:STDOUT: !68 = !{!69}
    314. 

  314. // CHECK:STDOUT: !69 = !DILocalVariable(arg: 1, scope: !67, type: !20)
    315. 

  315. // CHECK:STDOUT: !70 = !DILocation(line: 28, column: 45, scope: !67)
    316. 

  316. // CHECK:STDOUT: !71 = !DILocation(line: 28, column: 38, scope: !67)
    317. 

  317. // CHECK:STDOUT: !72 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.bff858d138853faa", scope: null, file: !57, line: 32, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !73)
    318. 

  318. // CHECK:STDOUT: !73 = !{!74}
    319. 

  319. // CHECK:STDOUT: !74 = !DILocalVariable(arg: 1, scope: !72, type: !20)
    320. 

  320. // CHECK:STDOUT: !75 = !DILocation(line: 32, column: 45, scope: !72)
    321. 

  321. // CHECK:STDOUT: !76 = !DILocation(line: 32, column: 38, scope: !72)
    322. 

  322. // CHECK:STDOUT: !77 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.b793135ca3b3d8d5", scope: null, file: !57, line: 32, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !78)
    323. 

  323. // CHECK:STDOUT: !78 = !{!79}
    324. 

  324. // CHECK:STDOUT: !79 = !DILocalVariable(arg: 1, scope: !77, type: !20)
    325. 

  325. // CHECK:STDOUT: !80 = !DILocation(line: 32, column: 45, scope: !77)
    326. 

  326. // CHECK:STDOUT: !81 = !DILocation(line: 32, column: 38, scope: !77)
    327. 

  327. // CHECK:STDOUT: !82 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.b8d13d79840ff664", scope: null, file: !57, line: 32, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !83)
    328. 

  328. // CHECK:STDOUT: !83 = !{!84}
    329. 

  329. // CHECK:STDOUT: !84 = !DILocalVariable(arg: 1, scope: !82, type: !20)
    330. 

  330. // CHECK:STDOUT: !85 = !DILocation(line: 32, column: 45, scope: !82)
    331. 

  331. // CHECK:STDOUT: !86 = !DILocation(line: 32, column: 38, scope: !82)
    332. 

  332. // CHECK:STDOUT: !87 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.342b90dd3c63ffbd:ImplicitAs.Core.88eda3904106c754", scope: null, file: !57, line: 32, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !88)
    333. 

  333. // CHECK:STDOUT: !88 = !{!89}
    334. 

  334. // CHECK:STDOUT: !89 = !DILocalVariable(arg: 1, scope: !87, type: !20)
    335. 

  335. // CHECK:STDOUT: !90 = !DILocation(line: 32, column: 45, scope: !87)
    336. 

  336. // CHECK:STDOUT: !91 = !DILocation(line: 32, column: 38, scope: !87)
    337. 

  337. // CHECK:STDOUT: !92 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.e8f8f92d3d08d149:OptionalStorage.Core.b88d1103f417c6d4", scope: null, file: !34, line: 131, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !93)
    338. 

  338. // CHECK:STDOUT: !93 = !{!94}
    339. 

  339. // CHECK:STDOUT: !94 = !DILocalVariable(arg: 1, scope: !92, type: !7)
    340. 

  340. // CHECK:STDOUT: !95 = !DILocation(line: 132, column: 5, scope: !92)
    341. 

  341. // CHECK:STDOUT: !96 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.f8c690e9701eb7d2:OptionalAs.Core.3fdecd6bfa9453e7", scope: null, file: !34, line: 68, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !97)
    342. 

  342. // CHECK:STDOUT: !97 = !{!98}
    343. 

  343. // CHECK:STDOUT: !98 = !DILocalVariable(arg: 1, scope: !96, type: !20)
    344. 

  344. // CHECK:STDOUT: !99 = !DILocation(line: 69, column: 12, scope: !96)
    345. 

  345. // CHECK:STDOUT: !100 = !DILocation(line: 69, column: 5, scope: !96)
    346. 

  346. // CHECK:STDOUT: !101 = distinct !DISubprogram(name: "None", linkageName: "_CNone.e5bf07b1b9c2cbc2:OptionalStorage.Core.d35bd5561e71da34", scope: null, file: !34, line: 99, type: !52, spFlags: DISPFlagDefinition, unit: !2)
    347. 

  347. // CHECK:STDOUT: !102 = !DILocation(line: 101, column: 5, scope: !101)
    348. 

  348. // CHECK:STDOUT: !103 = !DILocation(line: 102, column: 5, scope: !101)
    349. 

  349. // CHECK:STDOUT: !104 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.9245b763a8412226:OptionalAs.Core.524e4f3aae2139bc", scope: null, file: !34, line: 75, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !105)
    350. 

  350. // CHECK:STDOUT: !105 = !{!106}
    351. 

  351. // CHECK:STDOUT: !106 = !DILocalVariable(arg: 1, scope: !104, type: !20)
    352. 

  352. // CHECK:STDOUT: !107 = !DILocation(line: 76, column: 29, scope: !104)
    353. 

  353. // CHECK:STDOUT: !108 = !DILocation(line: 76, column: 12, scope: !104)
    354. 

  354. // CHECK:STDOUT: !109 = !DILocation(line: 76, column: 5, scope: !104)
    355. 

  355. // CHECK:STDOUT: !110 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.Optional.Core.3fdecd6bfa9453e7", scope: null, file: !34, line: 29, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !111)
    356. 

  356. // CHECK:STDOUT: !111 = !{!112}
    357. 

  357. // CHECK:STDOUT: !112 = !DILocalVariable(arg: 1, scope: !110, type: !20)
    358. 

  358. // CHECK:STDOUT: !113 = !DILocation(line: 30, column: 12, scope: !110)
    359. 

  359. // CHECK:STDOUT: !114 = !DILocation(line: 30, column: 5, scope: !110)
    360. 

  360. // CHECK:STDOUT: !115 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.b911a754667cc32d:ImplicitAs.Core.b20b249c26c0eb17", scope: null, file: !57, line: 28, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !116)
    361. 

  361. // CHECK:STDOUT: !116 = !{!117}
    362. 

  362. // CHECK:STDOUT: !117 = !DILocalVariable(arg: 1, scope: !115, type: !20)
    363. 

  363. // CHECK:STDOUT: !118 = !DILocation(line: 28, column: 45, scope: !115)
    364. 

  364. // CHECK:STDOUT: !119 = !DILocation(line: 28, column: 38, scope: !115)
    365. 

  365. // CHECK:STDOUT: !120 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.Optional.Core.af69af1a651d4cfb", scope: null, file: !34, line: 29, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !121)
    366. 

  366. // CHECK:STDOUT: !121 = !{!122}
    367. 

  367. // CHECK:STDOUT: !122 = !DILocalVariable(arg: 1, scope: !120, type: !20)
    368. 

  368. // CHECK:STDOUT: !123 = !DILocation(line: 30, column: 12, scope: !120)
    369. 

  369. // CHECK:STDOUT: !124 = !DILocation(line: 30, column: 5, scope: !120)
    370. 

  370. // CHECK:STDOUT: !125 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.e5bf07b1b9c2cbc2:OptionalStorage.Core.d35bd5561e71da34", scope: null, file: !34, line: 104, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !126)
    371. 

  371. // CHECK:STDOUT: !126 = !{!127}
    372. 

  372. // CHECK:STDOUT: !127 = !DILocalVariable(arg: 1, scope: !125, type: !20)
    373. 

  373. // CHECK:STDOUT: !128 = !DILocation(line: 108, column: 5, scope: !125)
    374. 

  374. // CHECK:STDOUT: !129 = !DILocation(line: 109, column: 5, scope: !125)
    375. 

  375. // CHECK:STDOUT: !130 = !DILocation(line: 110, column: 5, scope: !125)
    376. 

  376. // CHECK:STDOUT: !131 = distinct !DISubprogram(name: "Convert", linkageName: "_CConvert.e5bf07b1b9c2cbc2:ImplicitAs.Core.d35bd5561e71da34", scope: null, file: !57, line: 24, type: !132, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !134)
    377. 

  377. // CHECK:STDOUT: !132 = !DISubroutineType(types: !133)
    378. 

  378. // CHECK:STDOUT: !133 = !{!20, !20}
    379. 

  379. // CHECK:STDOUT: !134 = !{!135}
    380. 

  380. // CHECK:STDOUT: !135 = !DILocalVariable(arg: 1, scope: !131, type: !20)
    381. 

  381. // CHECK:STDOUT: !136 = !DILocation(line: 24, column: 38, scope: !131)
    382. 

  382. // CHECK:STDOUT: !137 = distinct !DISubprogram(name: "Some", linkageName: "_CSome.e5bf07b1b9c2cbc2:OptionalStorage.Core.fcf74894b228d55e", scope: null, file: !34, line: 104, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !138)
    383. 

  383. // CHECK:STDOUT: !138 = !{!139}
    384. 

  384. // CHECK:STDOUT: !139 = !DILocalVariable(arg: 1, scope: !137, type: !20)
    385. 

  385. // CHECK:STDOUT: !140 = !DILocation(line: 108, column: 5, scope: !137)
    386. 

  386. // CHECK:STDOUT: !141 = !DILocation(line: 108, column: 28, scope: !137)
    387. 

  387. // CHECK:STDOUT: !142 = !DILocation(line: 109, column: 5, scope: !137)
    388. 

  388. // CHECK:STDOUT: !143 = !DILocation(line: 110, column: 5, scope: !137)
    389. 

  389. // CHECK:STDOUT: !144 = distinct !DISubprogram(name: "Op", linkageName: "_COp.e3d0fdbaa569f701:Copy.Core.d35bd5561e71da34", scope: null, file: !145, line: 19, type: !45, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !146)
    390. 

  390. // CHECK:STDOUT: !145 = !DIFile(filename: "{{.*}}/prelude/copy.carbon", directory: "")
    391. 

  391. // CHECK:STDOUT: !146 = !{!147}
    392. 

  392. // CHECK:STDOUT: !147 = !DILocalVariable(arg: 1, scope: !144, type: !20)
    393. 

  393. // CHECK:STDOUT: !148 = !DILocation(line: 19, column: 33, scope: !144)
    394.