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carbon-lang
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toolchain
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lower
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virtual.carbon

virtual.carbon 31 KB
文件歷史 原始文件

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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/class/virtual.carbon
    10. 

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

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

  12. 

  13. // --- classes.carbon
    14. 

  14. 

  15. package Classes;
    16. 

  16. 

  17. base class Base {
    18. 

  18. }
    19. 

  19. 

  20. base class Intermediate {
    21. 

  21.   extend base: Base;
    22. 

  22.   virtual fn Fn[self: Self]() { }
    23. 

  23. }
    24. 

  24. 

  25. class Derived {
    26. 

  26.   extend base: Intermediate;
    27. 

  27.   override fn Fn[self: Self]() { }
    28. 

  28. }
    29. 

  29. 

  30. // --- create.carbon
    31. 

  31. 

  32. package Create;
    33. 

  33. 

  34. import Classes;
    35. 

  35. 

  36. fn Create() {
    37. 

  37.   var b: Classes.Base = {};
    38. 

  38.   var i: Classes.Intermediate = {.base = {}};
    39. 

  39.   var d: Classes.Derived = {.base = {.base = {}}};
    40. 

  40.   // Implicit initialization creates an object with the unformed state, which
    41. 

  41.   // doesn't include vptr initialization.
    42. 

  42.   var d2: Classes.Derived;
    43. 

  43. }
    44. 

  44. 

  45. fn Use(v: Classes.Intermediate*) {
    46. 

  46.   v->Fn();
    47. 

  47. }
    48. 

  48. 

  49. // --- member_init.carbon
    50. 

  50. 

  51. package MemberInit;
    52. 

  52. 

  53. base class Base {
    54. 

  54.   var m: i32;
    55. 

  55.   virtual fn Fn[self: Self]() { }
    56. 

  56. }
    57. 

  57. 

  58. fn Fn() {
    59. 

  59.   var i: i32 = 3;
    60. 

  60.   var v: Base = {.m = i};
    61. 

  61.   v.m = 5;
    62. 

  62.   var u: Base = {.m = 3};
    63. 

  63. }
    64. 

  64. 

  65. // --- member_brace_init.carbon
    66. 

  66. 

  67. library "[[@TEST_NAME]]";
    68. 

  68. 

  69. base class Base {
    70. 

  70.   virtual fn F[self: Self]();
    71. 

  71. }
    72. 

  72. 

  73. class Derived {
    74. 

  74.   extend base: Base;
    75. 

  75. }
    76. 

  76. 

  77. fn Use() {
    78. 

  78.   var v : Derived = {.base = {}};
    79. 

  79. }
    80. 

  80. 

  81. // --- call.carbon
    82. 

  82. 

  83. library "[[@TEST_NAME]]";
    84. 

  84. 

  85. base class Base {
    86. 

  86.   virtual fn F[self: Self]();
    87. 

  87. }
    88. 

  88. 

  89. fn Use(b: Base) {
    90. 

  90.   b.F();
    91. 

  91. }
    92. 

  92. 

  93. // --- call_impl.carbon
    94. 

  94. 

  95. library "[[@TEST_NAME]]";
    96. 

  96. 

  97. base class Base {
    98. 

  98.   virtual fn F[self: Self]();
    99. 

  99. }
    100. 

  100. 

  101. class Derived {
    102. 

  102.   extend base: Base;
    103. 

  103.   override fn F[self: Self]();
    104. 

  104. }
    105. 

  105. 

  106. fn Use() {
    107. 

  107.   var v : Derived = {.base = {}};
    108. 

  108.   v.F();
    109. 

  109. }
    110. 

  110. 

  111. // --- generic_noop.carbon
    112. 

  112. 

  113. library "[[@TEST_NAME]]";
    114. 

  114. 

  115. base class Base(T:! type) {
    116. 

  116.   virtual fn F[self: Self]() { }
    117. 

  117. }
    118. 

  118. 

  119. // --- generic_use.carbon
    120. 

  120. 

  121. library "[[@TEST_NAME]]";
    122. 

  122. 

  123. base class Base(T:! type) {
    124. 

  124.   virtual fn F[self: Self]() {
    125. 

  125.     var v: T;
    126. 

  126.   }
    127. 

  127. }
    128. 

  128. 

  129. class T1 { }
    130. 

  130. class T2 {
    131. 

  131.   var v: T1;
    132. 

  132. }
    133. 

  133. 

  134. fn F() {
    135. 

  135.   var t1: Base(T1) = {};
    136. 

  136.   var t2: Base(T2) = {};
    137. 

  137. }
    138. 

  138. 

  139. // --- generic_base.carbon
    140. 

  140. 

  141. library "[[@TEST_NAME]]";
    142. 

  142. 

  143. base class Base(T:! type) {
    144. 

  144.   virtual fn F[self: Self]() { }
    145. 

  145. }
    146. 

  146. 

  147. class T1;
    148. 

  148. 

  149. class Derived {
    150. 

  150.   extend base: Base(T1);
    151. 

  151. }
    152. 

  152. 

  153. fn Make() {
    154. 

  154.   var v: Derived;
    155. 

  155. }
    156. 

  156. 

  157. // CHECK:STDOUT: ; ModuleID = 'classes.carbon'
    158. 

  158. // CHECK:STDOUT: source_filename = "classes.carbon"
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: @"_CIntermediate.Classes.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CFn.Intermediate.Classes to i64), i64 ptrtoint (ptr @"_CIntermediate.Classes.$vtable" to i64)) to i32)]
    161. 

  161. // CHECK:STDOUT: @"_CDerived.Classes.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CFn.Derived.Classes to i64), i64 ptrtoint (ptr @"_CDerived.Classes.$vtable" to i64)) to i32)]
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: define void @_CFn.Intermediate.Classes(ptr %self) !dbg !4 {
    164. 

  164. // CHECK:STDOUT: entry:
    165. 

  165. // CHECK:STDOUT:   ret void, !dbg !7
    166. 

  166. // CHECK:STDOUT: }
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: define void @_CFn.Derived.Classes(ptr %self) !dbg !8 {
    169. 

  169. // CHECK:STDOUT: entry:
    170. 

  170. // CHECK:STDOUT:   ret void, !dbg !9
    171. 

  171. // CHECK:STDOUT: }
    172. 

  172. // CHECK:STDOUT:
    173. 

  173. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    174. 

  174. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    175. 

  175. // CHECK:STDOUT:
    176. 

  176. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    177. 

  177. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    178. 

  178. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    179. 

  179. // CHECK:STDOUT: !3 = !DIFile(filename: "classes.carbon", directory: "")
    180. 

  180. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.Intermediate.Classes", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    181. 

  181. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    182. 

  182. // CHECK:STDOUT: !6 = !{}
    183. 

  183. // CHECK:STDOUT: !7 = !DILocation(line: 9, column: 3, scope: !4)
    184. 

  184. // CHECK:STDOUT: !8 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.Derived.Classes", scope: null, file: !3, line: 14, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    185. 

  185. // CHECK:STDOUT: !9 = !DILocation(line: 14, column: 3, scope: !8)
    186. 

  186. // CHECK:STDOUT: ; ModuleID = 'create.carbon'
    187. 

  187. // CHECK:STDOUT: source_filename = "create.carbon"
    188. 

  188. // CHECK:STDOUT:
    189. 

  189. // CHECK:STDOUT: @"_CIntermediate.Classes.$vtable" = external unnamed_addr constant ptr
    190. 

  190. // CHECK:STDOUT: @"_CDerived.Classes.$vtable" = external unnamed_addr constant ptr
    191. 

  191. // CHECK:STDOUT: @Base.val.loc7_3 = internal constant {} zeroinitializer
    192. 

  192. // CHECK:STDOUT: @Intermediate.val.ec2.loc8_3 = internal constant { ptr, {} } { ptr @"_CIntermediate.Classes.$vtable", {} zeroinitializer }
    193. 

  193. // CHECK:STDOUT: @Derived.val.loc9_3 = internal constant { { ptr, {} } } { { ptr, {} } { ptr @"_CDerived.Classes.$vtable", {} zeroinitializer } }
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: define void @_CCreate.Create() !dbg !4 {
    196. 

  196. // CHECK:STDOUT: entry:
    197. 

  197. // CHECK:STDOUT:   %b.var = alloca {}, align 8, !dbg !7
    198. 

  198. // CHECK:STDOUT:   %i.var = alloca { ptr, {} }, align 8, !dbg !8
    199. 

  199. // CHECK:STDOUT:   %d.var = alloca { { ptr, {} } }, align 8, !dbg !9
    200. 

  200. // CHECK:STDOUT:   %d2.var = alloca { { ptr, {} } }, align 8, !dbg !10
    201. 

  201. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %b.var), !dbg !7
    202. 

  202. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %b.var, ptr align 1 @Base.val.loc7_3, i64 0, i1 false), !dbg !7
    203. 

  203. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %i.var), !dbg !8
    204. 

  204. // CHECK:STDOUT:   %.loc8_44.2.vptr = getelementptr inbounds nuw { ptr, {} }, ptr %i.var, i32 0, i32 0, !dbg !11
    205. 

  205. // CHECK:STDOUT:   %.loc8_44.4.base = getelementptr inbounds nuw { ptr, {} }, ptr %i.var, i32 0, i32 1, !dbg !11
    206. 

  206. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %i.var, ptr align 8 @Intermediate.val.ec2.loc8_3, i64 8, i1 false), !dbg !8
    207. 

  207. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %d.var), !dbg !9
    208. 

  208. // CHECK:STDOUT:   %.loc9_49.2.base = getelementptr inbounds nuw { { ptr, {} } }, ptr %d.var, i32 0, i32 0, !dbg !12
    209. 

  209. // CHECK:STDOUT:   %.loc9_48.2.vptr = getelementptr inbounds nuw { ptr, {} }, ptr %.loc9_49.2.base, i32 0, i32 0, !dbg !13
    210. 

  210. // CHECK:STDOUT:   %.loc9_48.4.base = getelementptr inbounds nuw { ptr, {} }, ptr %.loc9_49.2.base, i32 0, i32 1, !dbg !13
    211. 

  211. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %d.var, ptr align 8 @Derived.val.loc9_3, i64 8, i1 false), !dbg !9
    212. 

  212. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %d2.var), !dbg !10
    213. 

  213. // CHECK:STDOUT:   ret void, !dbg !14
    214. 

  214. // CHECK:STDOUT: }
    215. 

  215. // CHECK:STDOUT:
    216. 

  216. // CHECK:STDOUT: declare void @_CFn.Intermediate.Classes(ptr)
    217. 

  217. // CHECK:STDOUT:
    218. 

  218. // CHECK:STDOUT: declare void @_CFn.Derived.Classes(ptr)
    219. 

  219. // CHECK:STDOUT:
    220. 

  220. // CHECK:STDOUT: define void @_CUse.Create(ptr %v) !dbg !15 {
    221. 

  221. // CHECK:STDOUT: entry:
    222. 

  222. // CHECK:STDOUT:   %Intermediate.Fn.call.vtable = load ptr, ptr %v, align 8, !dbg !16
    223. 

  223. // CHECK:STDOUT:   %Intermediate.Fn.call = call ptr @llvm.load.relative.i32(ptr %Intermediate.Fn.call.vtable, i32 0), !dbg !16
    224. 

  224. // CHECK:STDOUT:   call void %Intermediate.Fn.call(ptr %v), !dbg !16
    225. 

  225. // CHECK:STDOUT:   ret void, !dbg !17
    226. 

  226. // CHECK:STDOUT: }
    227. 

  227. // CHECK:STDOUT:
    228. 

  228. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    229. 

  229. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    232. 

  232. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    233. 

  233. // CHECK:STDOUT:
    234. 

  234. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
    235. 

  235. // CHECK:STDOUT: declare ptr @llvm.load.relative.i32(ptr, i32) #2
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT: ; uselistorder directives
    238. 

  238. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
    239. 

  239. // CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 2, 1, 0 }
    240. 

  240. // CHECK:STDOUT:
    241. 

  241. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    242. 

  242. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    243. 

  243. // CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) }
    244. 

  244. // CHECK:STDOUT:
    245. 

  245. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    246. 

  246. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    247. 

  247. // CHECK:STDOUT:
    248. 

  248. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    249. 

  249. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    250. 

  250. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    251. 

  251. // CHECK:STDOUT: !3 = !DIFile(filename: "create.carbon", directory: "")
    252. 

  252. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Create", linkageName: "_CCreate.Create", scope: null, file: !3, line: 6, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    253. 

  253. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    254. 

  254. // CHECK:STDOUT: !6 = !{}
    255. 

  255. // CHECK:STDOUT: !7 = !DILocation(line: 7, column: 3, scope: !4)
    256. 

  256. // CHECK:STDOUT: !8 = !DILocation(line: 8, column: 3, scope: !4)
    257. 

  257. // CHECK:STDOUT: !9 = !DILocation(line: 9, column: 3, scope: !4)
    258. 

  258. // CHECK:STDOUT: !10 = !DILocation(line: 12, column: 3, scope: !4)
    259. 

  259. // CHECK:STDOUT: !11 = !DILocation(line: 8, column: 33, scope: !4)
    260. 

  260. // CHECK:STDOUT: !12 = !DILocation(line: 9, column: 28, scope: !4)
    261. 

  261. // CHECK:STDOUT: !13 = !DILocation(line: 9, column: 37, scope: !4)
    262. 

  262. // CHECK:STDOUT: !14 = !DILocation(line: 6, column: 1, scope: !4)
    263. 

  263. // CHECK:STDOUT: !15 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Create", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    264. 

  264. // CHECK:STDOUT: !16 = !DILocation(line: 16, column: 3, scope: !15)
    265. 

  265. // CHECK:STDOUT: !17 = !DILocation(line: 15, column: 1, scope: !15)
    266. 

  266. // CHECK:STDOUT: ; ModuleID = 'member_init.carbon'
    267. 

  267. // CHECK:STDOUT: source_filename = "member_init.carbon"
    268. 

  268. // CHECK:STDOUT:
    269. 

  269. // CHECK:STDOUT: @"_CBase.MemberInit.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CFn.Base.MemberInit to i64), i64 ptrtoint (ptr @"_CBase.MemberInit.$vtable" to i64)) to i32)]
    270. 

  270. // CHECK:STDOUT: @Base.val.loc13_3 = internal constant { ptr, i32 } { ptr @"_CBase.MemberInit.$vtable", i32 3 }
    271. 

  271. // CHECK:STDOUT:
    272. 

  272. // CHECK:STDOUT: define void @_CFn.Base.MemberInit(ptr %self) !dbg !4 {
    273. 

  273. // CHECK:STDOUT: entry:
    274. 

  274. // CHECK:STDOUT:   ret void, !dbg !7
    275. 

  275. // CHECK:STDOUT: }
    276. 

  276. // CHECK:STDOUT:
    277. 

  277. // CHECK:STDOUT: define void @_CFn.MemberInit() !dbg !8 {
    278. 

  278. // CHECK:STDOUT: entry:
    279. 

  279. // CHECK:STDOUT:   %i.var = alloca i32, align 4, !dbg !9
    280. 

  280. // CHECK:STDOUT:   %v.var = alloca { ptr, i32 }, align 8, !dbg !10
    281. 

  281. // CHECK:STDOUT:   %u.var = alloca { ptr, i32 }, align 8, !dbg !11
    282. 

  282. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %i.var), !dbg !9
    283. 

  283. // CHECK:STDOUT:   store i32 3, ptr %i.var, align 4, !dbg !9
    284. 

  284. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %v.var), !dbg !10
    285. 

  285. // CHECK:STDOUT:   %.loc11_24.2.vptr = getelementptr inbounds nuw { ptr, i32 }, ptr %v.var, i32 0, i32 0, !dbg !12
    286. 

  286. // CHECK:STDOUT:   %.loc11_23 = load i32, ptr %i.var, align 4, !dbg !13
    287. 

  287. // CHECK:STDOUT:   %.loc11_24.4.m = getelementptr inbounds nuw { ptr, i32 }, ptr %v.var, i32 0, i32 1, !dbg !12
    288. 

  288. // CHECK:STDOUT:   store i32 %.loc11_23, ptr %.loc11_24.4.m, align 4, !dbg !12
    289. 

  289. // CHECK:STDOUT:   store ptr @"_CBase.MemberInit.$vtable", ptr %.loc11_24.2.vptr, align 8, !dbg !12
    290. 

  290. // CHECK:STDOUT:   %.loc12_4.m = getelementptr inbounds nuw { ptr, i32 }, ptr %v.var, i32 0, i32 1, !dbg !14
    291. 

  291. // CHECK:STDOUT:   store i32 5, ptr %.loc12_4.m, align 4, !dbg !14
    292. 

  292. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %u.var), !dbg !11
    293. 

  293. // CHECK:STDOUT:   %.loc13_24.2.vptr = getelementptr inbounds nuw { ptr, i32 }, ptr %u.var, i32 0, i32 0, !dbg !15
    294. 

  294. // CHECK:STDOUT:   %.loc13_24.5.m = getelementptr inbounds nuw { ptr, i32 }, ptr %u.var, i32 0, i32 1, !dbg !15
    295. 

  295. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %u.var, ptr align 8 @Base.val.loc13_3, i64 16, i1 false), !dbg !11
    296. 

  296. // CHECK:STDOUT:   ret void, !dbg !16
    297. 

  297. // CHECK:STDOUT: }
    298. 

  298. // CHECK:STDOUT:
    299. 

  299. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    300. 

  300. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    301. 

  301. // CHECK:STDOUT:
    302. 

  302. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    303. 

  303. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    304. 

  304. // CHECK:STDOUT:
    305. 

  305. // CHECK:STDOUT: ; uselistorder directives
    306. 

  306. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 2, 1, 0 }
    307. 

  307. // CHECK:STDOUT:
    308. 

  308. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    309. 

  309. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    310. 

  310. // CHECK:STDOUT:
    311. 

  311. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    312. 

  312. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    313. 

  313. // CHECK:STDOUT:
    314. 

  314. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    315. 

  315. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    316. 

  316. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    317. 

  317. // CHECK:STDOUT: !3 = !DIFile(filename: "member_init.carbon", directory: "")
    318. 

  318. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.Base.MemberInit", scope: null, file: !3, line: 6, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    319. 

  319. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    320. 

  320. // CHECK:STDOUT: !6 = !{}
    321. 

  321. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 3, scope: !4)
    322. 

  322. // CHECK:STDOUT: !8 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.MemberInit", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    323. 

  323. // CHECK:STDOUT: !9 = !DILocation(line: 10, column: 3, scope: !8)
    324. 

  324. // CHECK:STDOUT: !10 = !DILocation(line: 11, column: 3, scope: !8)
    325. 

  325. // CHECK:STDOUT: !11 = !DILocation(line: 13, column: 3, scope: !8)
    326. 

  326. // CHECK:STDOUT: !12 = !DILocation(line: 11, column: 17, scope: !8)
    327. 

  327. // CHECK:STDOUT: !13 = !DILocation(line: 11, column: 23, scope: !8)
    328. 

  328. // CHECK:STDOUT: !14 = !DILocation(line: 12, column: 3, scope: !8)
    329. 

  329. // CHECK:STDOUT: !15 = !DILocation(line: 13, column: 17, scope: !8)
    330. 

  330. // CHECK:STDOUT: !16 = !DILocation(line: 9, column: 1, scope: !8)
    331. 

  331. // CHECK:STDOUT: ; ModuleID = 'member_brace_init.carbon'
    332. 

  332. // CHECK:STDOUT: source_filename = "member_brace_init.carbon"
    333. 

  333. // CHECK:STDOUT:
    334. 

  334. // CHECK:STDOUT: @"_CBase.Main.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main to i64), i64 ptrtoint (ptr @"_CBase.Main.$vtable" to i64)) to i32)]
    335. 

  335. // CHECK:STDOUT: @"_CDerived.Main.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main to i64), i64 ptrtoint (ptr @"_CDerived.Main.$vtable" to i64)) to i32)]
    336. 

  336. // CHECK:STDOUT: @Derived.val.loc13_3 = internal constant { { ptr } } { { ptr } { ptr @"_CDerived.Main.$vtable" } }
    337. 

  337. // CHECK:STDOUT:
    338. 

  338. // CHECK:STDOUT: declare void @_CF.Base.Main(ptr)
    339. 

  339. // CHECK:STDOUT:
    340. 

  340. // CHECK:STDOUT: define void @_CUse.Main() !dbg !4 {
    341. 

  341. // CHECK:STDOUT: entry:
    342. 

  342. // CHECK:STDOUT:   %v.var = alloca { { ptr } }, align 8, !dbg !7
    343. 

  343. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %v.var), !dbg !7
    344. 

  344. // CHECK:STDOUT:   %.loc13_32.2.base = getelementptr inbounds nuw { { ptr } }, ptr %v.var, i32 0, i32 0, !dbg !8
    345. 

  345. // CHECK:STDOUT:   %.loc13_31.2.vptr = getelementptr inbounds nuw { ptr }, ptr %.loc13_32.2.base, i32 0, i32 0, !dbg !9
    346. 

  346. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %v.var, ptr align 8 @Derived.val.loc13_3, i64 8, i1 false), !dbg !7
    347. 

  347. // CHECK:STDOUT:   ret void, !dbg !10
    348. 

  348. // CHECK:STDOUT: }
    349. 

  349. // CHECK:STDOUT:
    350. 

  350. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    351. 

  351. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    352. 

  352. // CHECK:STDOUT:
    353. 

  353. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    354. 

  354. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    355. 

  355. // CHECK:STDOUT:
    356. 

  356. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    357. 

  357. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    358. 

  358. // CHECK:STDOUT:
    359. 

  359. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    360. 

  360. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    361. 

  361. // CHECK:STDOUT:
    362. 

  362. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    363. 

  363. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    364. 

  364. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    365. 

  365. // CHECK:STDOUT: !3 = !DIFile(filename: "member_brace_init.carbon", directory: "")
    366. 

  366. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Main", scope: null, file: !3, line: 12, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    367. 

  367. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    368. 

  368. // CHECK:STDOUT: !6 = !{}
    369. 

  369. // CHECK:STDOUT: !7 = !DILocation(line: 13, column: 3, scope: !4)
    370. 

  370. // CHECK:STDOUT: !8 = !DILocation(line: 13, column: 21, scope: !4)
    371. 

  371. // CHECK:STDOUT: !9 = !DILocation(line: 13, column: 30, scope: !4)
    372. 

  372. // CHECK:STDOUT: !10 = !DILocation(line: 12, column: 1, scope: !4)
    373. 

  373. // CHECK:STDOUT: ; ModuleID = 'call.carbon'
    374. 

  374. // CHECK:STDOUT: source_filename = "call.carbon"
    375. 

  375. // CHECK:STDOUT:
    376. 

  376. // CHECK:STDOUT: @"_CBase.Main.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main to i64), i64 ptrtoint (ptr @"_CBase.Main.$vtable" to i64)) to i32)]
    377. 

  377. // CHECK:STDOUT:
    378. 

  378. // CHECK:STDOUT: declare void @_CF.Base.Main(ptr)
    379. 

  379. // CHECK:STDOUT:
    380. 

  380. // CHECK:STDOUT: define void @_CUse.Main(ptr %b) !dbg !4 {
    381. 

  381. // CHECK:STDOUT: entry:
    382. 

  382. // CHECK:STDOUT:   %Base.F.call.vtable = load ptr, ptr %b, align 8, !dbg !7
    383. 

  383. // CHECK:STDOUT:   %Base.F.call = call ptr @llvm.load.relative.i32(ptr %Base.F.call.vtable, i32 0), !dbg !7
    384. 

  384. // CHECK:STDOUT:   call void %Base.F.call(ptr %b), !dbg !7
    385. 

  385. // CHECK:STDOUT:   ret void, !dbg !8
    386. 

  386. // CHECK:STDOUT: }
    387. 

  387. // CHECK:STDOUT:
    388. 

  388. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
    389. 

  389. // CHECK:STDOUT: declare ptr @llvm.load.relative.i32(ptr, i32) #0
    390. 

  390. // CHECK:STDOUT:
    391. 

  391. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) }
    392. 

  392. // CHECK:STDOUT:
    393. 

  393. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    394. 

  394. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    395. 

  395. // CHECK:STDOUT:
    396. 

  396. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    397. 

  397. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    398. 

  398. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    399. 

  399. // CHECK:STDOUT: !3 = !DIFile(filename: "call.carbon", directory: "")
    400. 

  400. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Main", scope: null, file: !3, line: 8, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    401. 

  401. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    402. 

  402. // CHECK:STDOUT: !6 = !{}
    403. 

  403. // CHECK:STDOUT: !7 = !DILocation(line: 9, column: 3, scope: !4)
    404. 

  404. // CHECK:STDOUT: !8 = !DILocation(line: 8, column: 1, scope: !4)
    405. 

  405. // CHECK:STDOUT: ; ModuleID = 'call_impl.carbon'
    406. 

  406. // CHECK:STDOUT: source_filename = "call_impl.carbon"
    407. 

  407. // CHECK:STDOUT:
    408. 

  408. // CHECK:STDOUT: @"_CBase.Main.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main to i64), i64 ptrtoint (ptr @"_CBase.Main.$vtable" to i64)) to i32)]
    409. 

  409. // CHECK:STDOUT: @"_CDerived.Main.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Derived.Main to i64), i64 ptrtoint (ptr @"_CDerived.Main.$vtable" to i64)) to i32)]
    410. 

  410. // CHECK:STDOUT: @Derived.val.loc14_3 = internal constant { { ptr } } { { ptr } { ptr @"_CDerived.Main.$vtable" } }
    411. 

  411. // CHECK:STDOUT:
    412. 

  412. // CHECK:STDOUT: declare void @_CF.Base.Main(ptr)
    413. 

  413. // CHECK:STDOUT:
    414. 

  414. // CHECK:STDOUT: declare void @_CF.Derived.Main(ptr)
    415. 

  415. // CHECK:STDOUT:
    416. 

  416. // CHECK:STDOUT: define void @_CUse.Main() !dbg !4 {
    417. 

  417. // CHECK:STDOUT: entry:
    418. 

  418. // CHECK:STDOUT:   %v.var = alloca { { ptr } }, align 8, !dbg !7
    419. 

  419. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %v.var), !dbg !7
    420. 

  420. // CHECK:STDOUT:   %.loc14_32.2.base = getelementptr inbounds nuw { { ptr } }, ptr %v.var, i32 0, i32 0, !dbg !8
    421. 

  421. // CHECK:STDOUT:   %.loc14_31.2.vptr = getelementptr inbounds nuw { ptr }, ptr %.loc14_32.2.base, i32 0, i32 0, !dbg !9
    422. 

  422. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %v.var, ptr align 8 @Derived.val.loc14_3, i64 8, i1 false), !dbg !7
    423. 

  423. // CHECK:STDOUT:   %Derived.F.call.vtable = load ptr, ptr %v.var, align 8, !dbg !10
    424. 

  424. // CHECK:STDOUT:   %Derived.F.call = call ptr @llvm.load.relative.i32(ptr %Derived.F.call.vtable, i32 0), !dbg !10
    425. 

  425. // CHECK:STDOUT:   call void %Derived.F.call(ptr %v.var), !dbg !10
    426. 

  426. // CHECK:STDOUT:   ret void, !dbg !11
    427. 

  427. // CHECK:STDOUT: }
    428. 

  428. // CHECK:STDOUT:
    429. 

  429. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    430. 

  430. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    431. 

  431. // CHECK:STDOUT:
    432. 

  432. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    433. 

  433. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    434. 

  434. // CHECK:STDOUT:
    435. 

  435. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
    436. 

  436. // CHECK:STDOUT: declare ptr @llvm.load.relative.i32(ptr, i32) #2
    437. 

  437. // CHECK:STDOUT:
    438. 

  438. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    439. 

  439. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    440. 

  440. // CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) }
    441. 

  441. // CHECK:STDOUT:
    442. 

  442. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    443. 

  443. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    444. 

  444. // CHECK:STDOUT:
    445. 

  445. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    446. 

  446. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    447. 

  447. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    448. 

  448. // CHECK:STDOUT: !3 = !DIFile(filename: "call_impl.carbon", directory: "")
    449. 

  449. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Main", scope: null, file: !3, line: 13, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    450. 

  450. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    451. 

  451. // CHECK:STDOUT: !6 = !{}
    452. 

  452. // CHECK:STDOUT: !7 = !DILocation(line: 14, column: 3, scope: !4)
    453. 

  453. // CHECK:STDOUT: !8 = !DILocation(line: 14, column: 21, scope: !4)
    454. 

  454. // CHECK:STDOUT: !9 = !DILocation(line: 14, column: 30, scope: !4)
    455. 

  455. // CHECK:STDOUT: !10 = !DILocation(line: 15, column: 3, scope: !4)
    456. 

  456. // CHECK:STDOUT: !11 = !DILocation(line: 13, column: 1, scope: !4)
    457. 

  457. // CHECK:STDOUT: ; ModuleID = 'generic_noop.carbon'
    458. 

  458. // CHECK:STDOUT: source_filename = "generic_noop.carbon"
    459. 

  459. // CHECK:STDOUT:
    460. 

  460. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    461. 

  461. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    462. 

  462. // CHECK:STDOUT:
    463. 

  463. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    464. 

  464. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    465. 

  465. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    466. 

  466. // CHECK:STDOUT: !3 = !DIFile(filename: "generic_noop.carbon", directory: "")
    467. 

  467. // CHECK:STDOUT: ; ModuleID = 'generic_use.carbon'
    468. 

  468. // CHECK:STDOUT: source_filename = "generic_use.carbon"
    469. 

  469. // CHECK:STDOUT:
    470. 

  470. // CHECK:STDOUT: @"_CBase.Main.$vtable.4d2ffa01ebfb7a1d" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main.4d2ffa01ebfb7a1d to i64), i64 ptrtoint (ptr @"_CBase.Main.$vtable.4d2ffa01ebfb7a1d" to i64)) to i32)]
    471. 

  471. // CHECK:STDOUT: @"_CBase.Main.$vtable.4f4310253a4de9ab" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main.4f4310253a4de9ab to i64), i64 ptrtoint (ptr @"_CBase.Main.$vtable.4f4310253a4de9ab" to i64)) to i32)]
    472. 

  472. // CHECK:STDOUT: @Base.val.20a.loc16_3 = internal constant { ptr } { ptr @"_CBase.Main.$vtable.4d2ffa01ebfb7a1d" }
    473. 

  473. // CHECK:STDOUT: @Base.val.f56.loc17_3 = internal constant { ptr } { ptr @"_CBase.Main.$vtable.4f4310253a4de9ab" }
    474. 

  474. // CHECK:STDOUT:
    475. 

  475. // CHECK:STDOUT: define void @_CF.Main() !dbg !4 {
    476. 

  476. // CHECK:STDOUT: entry:
    477. 

  477. // CHECK:STDOUT:   %t1.var = alloca { ptr }, align 8, !dbg !7
    478. 

  478. // CHECK:STDOUT:   %t2.var = alloca { ptr }, align 8, !dbg !8
    479. 

  479. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %t1.var), !dbg !7
    480. 

  480. // CHECK:STDOUT:   %.loc16_23.2.vptr = getelementptr inbounds nuw { ptr }, ptr %t1.var, i32 0, i32 0, !dbg !9
    481. 

  481. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %t1.var, ptr align 8 @Base.val.20a.loc16_3, i64 8, i1 false), !dbg !7
    482. 

  482. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %t2.var), !dbg !8
    483. 

  483. // CHECK:STDOUT:   %.loc17_23.2.vptr = getelementptr inbounds nuw { ptr }, ptr %t2.var, i32 0, i32 0, !dbg !10
    484. 

  484. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 8 %t2.var, ptr align 8 @Base.val.f56.loc17_3, i64 8, i1 false), !dbg !8
    485. 

  485. // CHECK:STDOUT:   ret void, !dbg !11
    486. 

  486. // CHECK:STDOUT: }
    487. 

  487. // CHECK:STDOUT:
    488. 

  488. // CHECK:STDOUT: define linkonce_odr void @_CF.Base.Main.4d2ffa01ebfb7a1d(ptr %self) !dbg !12 {
    489. 

  489. // CHECK:STDOUT: entry:
    490. 

  490. // CHECK:STDOUT:   %v.var = alloca {}, align 8, !dbg !13
    491. 

  491. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %v.var), !dbg !13
    492. 

  492. // CHECK:STDOUT:   ret void, !dbg !14
    493. 

  493. // CHECK:STDOUT: }
    494. 

  494. // CHECK:STDOUT:
    495. 

  495. // CHECK:STDOUT: define linkonce_odr void @_CF.Base.Main.4f4310253a4de9ab(ptr %self) !dbg !15 {
    496. 

  496. // CHECK:STDOUT: entry:
    497. 

  497. // CHECK:STDOUT:   %v.var = alloca { {} }, align 8, !dbg !16
    498. 

  498. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %v.var), !dbg !16
    499. 

  499. // CHECK:STDOUT:   ret void, !dbg !17
    500. 

  500. // CHECK:STDOUT: }
    501. 

  501. // CHECK:STDOUT:
    502. 

  502. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    503. 

  503. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    504. 

  504. // CHECK:STDOUT:
    505. 

  505. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    506. 

  506. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    507. 

  507. // CHECK:STDOUT:
    508. 

  508. // CHECK:STDOUT: ; uselistorder directives
    509. 

  509. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
    510. 

  510. // CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 1, 0 }
    511. 

  511. // CHECK:STDOUT:
    512. 

  512. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    513. 

  513. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    514. 

  514. // CHECK:STDOUT:
    515. 

  515. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    516. 

  516. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    517. 

  517. // CHECK:STDOUT:
    518. 

  518. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    519. 

  519. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    520. 

  520. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    521. 

  521. // CHECK:STDOUT: !3 = !DIFile(filename: "generic_use.carbon", directory: "")
    522. 

  522. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    523. 

  523. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    524. 

  524. // CHECK:STDOUT: !6 = !{}
    525. 

  525. // CHECK:STDOUT: !7 = !DILocation(line: 16, column: 3, scope: !4)
    526. 

  526. // CHECK:STDOUT: !8 = !DILocation(line: 17, column: 3, scope: !4)
    527. 

  527. // CHECK:STDOUT: !9 = !DILocation(line: 16, column: 22, scope: !4)
    528. 

  528. // CHECK:STDOUT: !10 = !DILocation(line: 17, column: 22, scope: !4)
    529. 

  529. // CHECK:STDOUT: !11 = !DILocation(line: 15, column: 1, scope: !4)
    530. 

  530. // CHECK:STDOUT: !12 = distinct !DISubprogram(name: "F", linkageName: "_CF.Base.Main.4d2ffa01ebfb7a1d", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    531. 

  531. // CHECK:STDOUT: !13 = !DILocation(line: 6, column: 5, scope: !12)
    532. 

  532. // CHECK:STDOUT: !14 = !DILocation(line: 5, column: 3, scope: !12)
    533. 

  533. // CHECK:STDOUT: !15 = distinct !DISubprogram(name: "F", linkageName: "_CF.Base.Main.4f4310253a4de9ab", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    534. 

  534. // CHECK:STDOUT: !16 = !DILocation(line: 6, column: 5, scope: !15)
    535. 

  535. // CHECK:STDOUT: !17 = !DILocation(line: 5, column: 3, scope: !15)
    536. 

  536. // CHECK:STDOUT: ; ModuleID = 'generic_base.carbon'
    537. 

  537. // CHECK:STDOUT: source_filename = "generic_base.carbon"
    538. 

  538. // CHECK:STDOUT:
    539. 

  539. // CHECK:STDOUT: @"_CDerived.Main.$vtable" = unnamed_addr constant [1 x i32] [i32 trunc (i64 sub (i64 ptrtoint (ptr @_CF.Base.Main.4d2ffa01ebfb7a1d to i64), i64 ptrtoint (ptr @"_CDerived.Main.$vtable" to i64)) to i32)]
    540. 

  540. // CHECK:STDOUT:
    541. 

  541. // CHECK:STDOUT: define void @_CMake.Main() !dbg !4 {
    542. 

  542. // CHECK:STDOUT: entry:
    543. 

  543. // CHECK:STDOUT:   %v.var = alloca { { ptr } }, align 8, !dbg !7
    544. 

  544. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %v.var), !dbg !7
    545. 

  545. // CHECK:STDOUT:   ret void, !dbg !8
    546. 

  546. // CHECK:STDOUT: }
    547. 

  547. // CHECK:STDOUT:
    548. 

  548. // CHECK:STDOUT: define linkonce_odr void @_CF.Base.Main.4d2ffa01ebfb7a1d(ptr %self) !dbg !9 {
    549. 

  549. // CHECK:STDOUT: entry:
    550. 

  550. // CHECK:STDOUT:   ret void, !dbg !10
    551. 

  551. // CHECK:STDOUT: }
    552. 

  552. // CHECK:STDOUT:
    553. 

  553. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    554. 

  554. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
    555. 

  555. // CHECK:STDOUT:
    556. 

  556. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    557. 

  557. // CHECK:STDOUT:
    558. 

  558. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    559. 

  559. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    560. 

  560. // CHECK:STDOUT:
    561. 

  561. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    562. 

  562. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    563. 

  563. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    564. 

  564. // CHECK:STDOUT: !3 = !DIFile(filename: "generic_base.carbon", directory: "")
    565. 

  565. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Make", linkageName: "_CMake.Main", scope: null, file: !3, line: 14, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    566. 

  566. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    567. 

  567. // CHECK:STDOUT: !6 = !{}
    568. 

  568. // CHECK:STDOUT: !7 = !DILocation(line: 15, column: 3, scope: !4)
    569. 

  569. // CHECK:STDOUT: !8 = !DILocation(line: 14, column: 1, scope: !4)
    570. 

  570. // CHECK:STDOUT: !9 = distinct !DISubprogram(name: "F", linkageName: "_CF.Base.Main.4d2ffa01ebfb7a1d", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    571. 

  571. // CHECK:STDOUT: !10 = !DILocation(line: 5, column: 3, scope: !9)
    572.