Kezdőlap Felfedezés Súgó
Bejelentkezés
tomteb
/
carbon-lang
1
0
Másolás 0
Fájlok Problémák 0 Beolvasztási kérések 0 Wiki
Fa: 32e68cfb5b
Branch-ok Tag-ek
carbon-lang
/
toolchain
/
lower
/
testdata
/
class
/
virtual.carbon

virtual.carbon 18 KB
Előzmények Nyers

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340 
  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. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/class/virtual.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/class/virtual.carbon
    10. 

  10. 

  11. // --- classes.carbon
    12. 

  12. 

  13. package Classes;
    14. 

  14. 

  15. base class Base {
    16. 

  16. }
    17. 

  17. 

  18. base class Intermediate {
    19. 

  19.   extend base: Base;
    20. 

  20.   virtual fn Fn[self: Self]() { }
    21. 

  21. }
    22. 

  22. 

  23. class Derived {
    24. 

  24.   extend base: Intermediate;
    25. 

  25.   impl fn Fn[self: Self]() { }
    26. 

  26. }
    27. 

  27. 

  28. // --- create.carbon
    29. 

  29. 

  30. package Create;
    31. 

  31. 

  32. import Classes;
    33. 

  33. 

  34. fn Create() {
    35. 

  35.   var b: Classes.Base = {};
    36. 

  36.   var i: Classes.Intermediate = {.base = {}};
    37. 

  37.   var d: Classes.Derived = {.base = {.base = {}}};
    38. 

  38.   // TODO: Support vptr initialization without explicit source initializers.
    39. 

  39.   var d2: Classes.Derived;
    40. 

  40. }
    41. 

  41. 

  42. fn Use(v: Classes.Intermediate*) {
    43. 

  43.   v->Fn();
    44. 

  44. }
    45. 

  45. 

  46. // --- member_init.carbon
    47. 

  47. 

  48. package MemberInit;
    49. 

  49. 

  50. base class Base {
    51. 

  51.   var m: i32;
    52. 

  52.   virtual fn Fn[self: Self]() { }
    53. 

  53. }
    54. 

  54. 

  55. fn Fn() {
    56. 

  56.   var i: i32 = 3;
    57. 

  57.   var v: Base = {.m = i};
    58. 

  58.   v.m = 5;
    59. 

  59.   var u: Base = {.m = 3};
    60. 

  60. }
    61. 

  61. 

  62. // --- member_brace_init.carbon
    63. 

  63. 

  64. library "[[@TEST_NAME]]";
    65. 

  65. 

  66. base class Base {
    67. 

  67.   virtual fn F[self: Self]();
    68. 

  68. }
    69. 

  69. 

  70. class Derived {
    71. 

  71.   extend base: Base;
    72. 

  72. }
    73. 

  73. 

  74. fn Use() {
    75. 

  75.   var v : Derived = {.base = {}};
    76. 

  76. }
    77. 

  77. 

  78. // --- call.carbon
    79. 

  79. 

  80. library "[[@TEST_NAME]]";
    81. 

  81. 

  82. base class Base {
    83. 

  83.   virtual fn F[self: Self]();
    84. 

  84. }
    85. 

  85. 

  86. fn Use(b: Base) {
    87. 

  87.   b.F();
    88. 

  88. }
    89. 

  89. 

  90. // --- generic.carbon
    91. 

  91. 

  92. library "[[@TEST_NAME]]";
    93. 

  93. 

  94. base class Base(T:! type) {
    95. 

  95.   virtual fn F[self: Self]();
    96. 

  96. }
    97. 

  97. 

  98. // CHECK:STDOUT: ; ModuleID = 'classes.carbon'
    99. 

  99. // CHECK:STDOUT: source_filename = "classes.carbon"
    100. 

  100. // CHECK:STDOUT:
    101. 

  101. // 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)]
    102. 

  102. // 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)]
    103. 

  103. // CHECK:STDOUT:
    104. 

  104. // CHECK:STDOUT: define void @_CFn.Intermediate.Classes(ptr %self) !dbg !4 {
    105. 

  105. // CHECK:STDOUT: entry:
    106. 

  106. // CHECK:STDOUT:   ret void, !dbg !7
    107. 

  107. // CHECK:STDOUT: }
    108. 

  108. // CHECK:STDOUT:
    109. 

  109. // CHECK:STDOUT: define void @_CFn.Derived.Classes(ptr %self) !dbg !8 {
    110. 

  110. // CHECK:STDOUT: entry:
    111. 

  111. // CHECK:STDOUT:   ret void, !dbg !9
    112. 

  112. // CHECK:STDOUT: }
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    115. 

  115. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    116. 

  116. // CHECK:STDOUT:
    117. 

  117. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    118. 

  118. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    119. 

  119. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    120. 

  120. // CHECK:STDOUT: !3 = !DIFile(filename: "classes.carbon", directory: "")
    121. 

  121. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.Intermediate.Classes", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    122. 

  122. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    123. 

  123. // CHECK:STDOUT: !6 = !{}
    124. 

  124. // CHECK:STDOUT: !7 = !DILocation(line: 9, column: 3, scope: !4)
    125. 

  125. // CHECK:STDOUT: !8 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.Derived.Classes", scope: null, file: !3, line: 14, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    126. 

  126. // CHECK:STDOUT: !9 = !DILocation(line: 14, column: 3, scope: !8)
    127. 

  127. // CHECK:STDOUT: ; ModuleID = 'create.carbon'
    128. 

  128. // CHECK:STDOUT: source_filename = "create.carbon"
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT: @"_CIntermediate.Classes.$vtable" = external unnamed_addr constant ptr
    131. 

  131. // CHECK:STDOUT: @"_CDerived.Classes.$vtable" = external unnamed_addr constant ptr
    132. 

  132. // CHECK:STDOUT: @Base.val.loc7_3.2 = internal constant {} zeroinitializer
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: define void @_CCreate.Create() !dbg !4 {
    135. 

  135. // CHECK:STDOUT: entry:
    136. 

  136. // CHECK:STDOUT:   %b.var = alloca {}, align 8, !dbg !7
    137. 

  137. // CHECK:STDOUT:   %i.var = alloca { ptr, {} }, align 8, !dbg !8
    138. 

  138. // CHECK:STDOUT:   %d.var = alloca { { ptr, {} } }, align 8, !dbg !9
    139. 

  139. // CHECK:STDOUT:   %d2.var = alloca { { ptr, {} } }, align 8, !dbg !10
    140. 

  140. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 0, ptr %b.var), !dbg !7
    141. 

  141. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %b.var, ptr align 1 @Base.val.loc7_3.2, i64 0, i1 false), !dbg !7
    142. 

  142. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %i.var), !dbg !8
    143. 

  143. // CHECK:STDOUT:   %.loc8_44.2.vptr = getelementptr inbounds nuw { ptr, {} }, ptr %i.var, i32 0, i32 0, !dbg !11
    144. 

  144. // CHECK:STDOUT:   store ptr @"_CIntermediate.Classes.$vtable", ptr %.loc8_44.2.vptr, align 8, !dbg !11
    145. 

  145. // CHECK:STDOUT:   %.loc8_44.5.base = getelementptr inbounds nuw { ptr, {} }, ptr %i.var, i32 0, i32 1, !dbg !11
    146. 

  146. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc8_44.5.base, ptr align 1 @Base.val.loc7_3.2, i64 0, i1 false), !dbg !11
    147. 

  147. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %d.var), !dbg !9
    148. 

  148. // CHECK:STDOUT:   %.loc9_49.2.base = getelementptr inbounds nuw { { ptr, {} } }, ptr %d.var, i32 0, i32 0, !dbg !12
    149. 

  149. // CHECK:STDOUT:   %.loc9_48.2.vptr = getelementptr inbounds nuw { ptr, {} }, ptr %.loc9_49.2.base, i32 0, i32 0, !dbg !13
    150. 

  150. // CHECK:STDOUT:   store ptr @"_CDerived.Classes.$vtable", ptr %.loc9_48.2.vptr, align 8, !dbg !13
    151. 

  151. // CHECK:STDOUT:   %.loc9_48.5.base = getelementptr inbounds nuw { ptr, {} }, ptr %.loc9_49.2.base, i32 0, i32 1, !dbg !13
    152. 

  152. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc9_48.5.base, ptr align 1 @Base.val.loc7_3.2, i64 0, i1 false), !dbg !13
    153. 

  153. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %d2.var), !dbg !10
    154. 

  154. // CHECK:STDOUT:   ret void, !dbg !14
    155. 

  155. // CHECK:STDOUT: }
    156. 

  156. // CHECK:STDOUT:
    157. 

  157. // CHECK:STDOUT: define void @_CUse.Create(ptr %v) !dbg !15 {
    158. 

  158. // CHECK:STDOUT: entry:
    159. 

  159. // CHECK:STDOUT:   call void @_CFn.Intermediate.Classes(ptr %v), !dbg !16
    160. 

  160. // CHECK:STDOUT:   ret void, !dbg !17
    161. 

  161. // CHECK:STDOUT: }
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: declare void @_CFn.Intermediate.Classes(ptr)
    164. 

  164. // CHECK:STDOUT:
    165. 

  165. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    166. 

  166. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, ptr captures(none)) #0
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    169. 

  169. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    170. 

  170. // CHECK:STDOUT:
    171. 

  171. // CHECK:STDOUT: ; uselistorder directives
    172. 

  172. // CHECK:STDOUT: uselistorder i32 1, { 1, 3, 0, 2, 4, 5 }
    173. 

  173. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
    174. 

  174. // CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 2, 1, 0 }
    175. 

  175. // CHECK:STDOUT:
    176. 

  176. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    177. 

  177. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    180. 

  180. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    181. 

  181. // CHECK:STDOUT:
    182. 

  182. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    183. 

  183. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    184. 

  184. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    185. 

  185. // CHECK:STDOUT: !3 = !DIFile(filename: "create.carbon", directory: "")
    186. 

  186. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Create", linkageName: "_CCreate.Create", scope: null, file: !3, line: 6, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    187. 

  187. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    188. 

  188. // CHECK:STDOUT: !6 = !{}
    189. 

  189. // CHECK:STDOUT: !7 = !DILocation(line: 7, column: 3, scope: !4)
    190. 

  190. // CHECK:STDOUT: !8 = !DILocation(line: 8, column: 3, scope: !4)
    191. 

  191. // CHECK:STDOUT: !9 = !DILocation(line: 9, column: 3, scope: !4)
    192. 

  192. // CHECK:STDOUT: !10 = !DILocation(line: 11, column: 3, scope: !4)
    193. 

  193. // CHECK:STDOUT: !11 = !DILocation(line: 8, column: 33, scope: !4)
    194. 

  194. // CHECK:STDOUT: !12 = !DILocation(line: 9, column: 28, scope: !4)
    195. 

  195. // CHECK:STDOUT: !13 = !DILocation(line: 9, column: 37, scope: !4)
    196. 

  196. // CHECK:STDOUT: !14 = !DILocation(line: 6, column: 1, scope: !4)
    197. 

  197. // CHECK:STDOUT: !15 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Create", scope: null, file: !3, line: 14, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    198. 

  198. // CHECK:STDOUT: !16 = !DILocation(line: 15, column: 3, scope: !15)
    199. 

  199. // CHECK:STDOUT: !17 = !DILocation(line: 14, column: 1, scope: !15)
    200. 

  200. // CHECK:STDOUT: ; ModuleID = 'member_init.carbon'
    201. 

  201. // CHECK:STDOUT: source_filename = "member_init.carbon"
    202. 

  202. // CHECK:STDOUT:
    203. 

  203. // 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)]
    204. 

  204. // CHECK:STDOUT:
    205. 

  205. // CHECK:STDOUT: define void @_CFn.Base.MemberInit(ptr %self) !dbg !4 {
    206. 

  206. // CHECK:STDOUT: entry:
    207. 

  207. // CHECK:STDOUT:   ret void, !dbg !7
    208. 

  208. // CHECK:STDOUT: }
    209. 

  209. // CHECK:STDOUT:
    210. 

  210. // CHECK:STDOUT: define void @_CFn.MemberInit() !dbg !8 {
    211. 

  211. // CHECK:STDOUT: entry:
    212. 

  212. // CHECK:STDOUT:   %i.var = alloca i32, align 4, !dbg !9
    213. 

  213. // CHECK:STDOUT:   %v.var = alloca { ptr, i32 }, align 8, !dbg !10
    214. 

  214. // CHECK:STDOUT:   %u.var = alloca { ptr, i32 }, align 8, !dbg !11
    215. 

  215. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 4, ptr %i.var), !dbg !9
    216. 

  216. // CHECK:STDOUT:   store i32 3, ptr %i.var, align 4, !dbg !9
    217. 

  217. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 16, ptr %v.var), !dbg !10
    218. 

  218. // CHECK:STDOUT:   %.loc11_24.2.vptr = getelementptr inbounds nuw { ptr, i32 }, ptr %v.var, i32 0, i32 0, !dbg !12
    219. 

  219. // CHECK:STDOUT:   store ptr @"_CBase.MemberInit.$vtable", ptr %.loc11_24.2.vptr, align 8, !dbg !12
    220. 

  220. // CHECK:STDOUT:   %.loc11_23 = load i32, ptr %i.var, align 4, !dbg !13
    221. 

  221. // CHECK:STDOUT:   %.loc11_24.5.m = getelementptr inbounds nuw { ptr, i32 }, ptr %v.var, i32 0, i32 1, !dbg !12
    222. 

  222. // CHECK:STDOUT:   store i32 %.loc11_23, ptr %.loc11_24.5.m, align 4, !dbg !12
    223. 

  223. // CHECK:STDOUT:   %.loc12_4.m = getelementptr inbounds nuw { ptr, i32 }, ptr %v.var, i32 0, i32 1, !dbg !14
    224. 

  224. // CHECK:STDOUT:   store i32 5, ptr %.loc12_4.m, align 4, !dbg !14
    225. 

  225. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 16, ptr %u.var), !dbg !11
    226. 

  226. // CHECK:STDOUT:   %.loc13_24.2.vptr = getelementptr inbounds nuw { ptr, i32 }, ptr %u.var, i32 0, i32 0, !dbg !15
    227. 

  227. // CHECK:STDOUT:   store ptr @"_CBase.MemberInit.$vtable", ptr %.loc13_24.2.vptr, align 8, !dbg !15
    228. 

  228. // CHECK:STDOUT:   %.loc13_24.6.m = getelementptr inbounds nuw { ptr, i32 }, ptr %u.var, i32 0, i32 1, !dbg !15
    229. 

  229. // CHECK:STDOUT:   store i32 3, ptr %.loc13_24.6.m, align 4, !dbg !15
    230. 

  230. // CHECK:STDOUT:   ret void, !dbg !16
    231. 

  231. // CHECK:STDOUT: }
    232. 

  232. // CHECK:STDOUT:
    233. 

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

  234. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, ptr captures(none)) #0
    235. 

  235. // CHECK:STDOUT:
    236. 

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

  237. // CHECK:STDOUT: uselistorder i32 1, { 0, 2, 3, 1, 4, 5 }
    238. 

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

  239. // CHECK:STDOUT:
    240. 

  240. // CHECK:STDOUT: attributes #0 = { 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, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    248. 

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

  249. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.Base.MemberInit", scope: null, file: !3, line: 6, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    250. 

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

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

  252. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 3, scope: !4)
    253. 

  253. // CHECK:STDOUT: !8 = distinct !DISubprogram(name: "Fn", linkageName: "_CFn.MemberInit", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    254. 

  254. // CHECK:STDOUT: !9 = !DILocation(line: 10, column: 3, scope: !8)
    255. 

  255. // CHECK:STDOUT: !10 = !DILocation(line: 11, column: 3, scope: !8)
    256. 

  256. // CHECK:STDOUT: !11 = !DILocation(line: 13, column: 3, scope: !8)
    257. 

  257. // CHECK:STDOUT: !12 = !DILocation(line: 11, column: 17, scope: !8)
    258. 

  258. // CHECK:STDOUT: !13 = !DILocation(line: 11, column: 23, scope: !8)
    259. 

  259. // CHECK:STDOUT: !14 = !DILocation(line: 12, column: 3, scope: !8)
    260. 

  260. // CHECK:STDOUT: !15 = !DILocation(line: 13, column: 17, scope: !8)
    261. 

  261. // CHECK:STDOUT: !16 = !DILocation(line: 9, column: 1, scope: !8)
    262. 

  262. // CHECK:STDOUT: ; ModuleID = 'member_brace_init.carbon'
    263. 

  263. // CHECK:STDOUT: source_filename = "member_brace_init.carbon"
    264. 

  264. // CHECK:STDOUT:
    265. 

  265. // 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)]
    266. 

  266. // 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)]
    267. 

  267. // CHECK:STDOUT:
    268. 

  268. // CHECK:STDOUT: declare void @_CF.Base.Main(ptr)
    269. 

  269. // CHECK:STDOUT:
    270. 

  270. // CHECK:STDOUT: define void @_CUse.Main() !dbg !4 {
    271. 

  271. // CHECK:STDOUT: entry:
    272. 

  272. // CHECK:STDOUT:   %v.var = alloca { { ptr } }, align 8, !dbg !7
    273. 

  273. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %v.var), !dbg !7
    274. 

  274. // CHECK:STDOUT:   %.loc13_32.2.base = getelementptr inbounds nuw { { ptr } }, ptr %v.var, i32 0, i32 0, !dbg !8
    275. 

  275. // CHECK:STDOUT:   %.loc13_31.2.vptr = getelementptr inbounds nuw { ptr }, ptr %.loc13_32.2.base, i32 0, i32 0, !dbg !9
    276. 

  276. // CHECK:STDOUT:   store ptr @"_CDerived.Main.$vtable", ptr %.loc13_31.2.vptr, align 8, !dbg !9
    277. 

  277. // CHECK:STDOUT:   ret void, !dbg !10
    278. 

  278. // CHECK:STDOUT: }
    279. 

  279. // CHECK:STDOUT:
    280. 

  280. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    281. 

  281. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, ptr captures(none)) #0
    282. 

  282. // CHECK:STDOUT:
    283. 

  283. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    284. 

  284. // CHECK:STDOUT:
    285. 

  285. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    286. 

  286. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    287. 

  287. // CHECK:STDOUT:
    288. 

  288. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    289. 

  289. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    290. 

  290. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    291. 

  291. // CHECK:STDOUT: !3 = !DIFile(filename: "member_brace_init.carbon", directory: "")
    292. 

  292. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Main", scope: null, file: !3, line: 12, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    293. 

  293. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    294. 

  294. // CHECK:STDOUT: !6 = !{}
    295. 

  295. // CHECK:STDOUT: !7 = !DILocation(line: 13, column: 3, scope: !4)
    296. 

  296. // CHECK:STDOUT: !8 = !DILocation(line: 13, column: 21, scope: !4)
    297. 

  297. // CHECK:STDOUT: !9 = !DILocation(line: 13, column: 30, scope: !4)
    298. 

  298. // CHECK:STDOUT: !10 = !DILocation(line: 12, column: 1, scope: !4)
    299. 

  299. // CHECK:STDOUT: ; ModuleID = 'call.carbon'
    300. 

  300. // CHECK:STDOUT: source_filename = "call.carbon"
    301. 

  301. // CHECK:STDOUT:
    302. 

  302. // 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)]
    303. 

  303. // CHECK:STDOUT:
    304. 

  304. // CHECK:STDOUT: declare void @_CF.Base.Main(ptr)
    305. 

  305. // CHECK:STDOUT:
    306. 

  306. // CHECK:STDOUT: define void @_CUse.Main(ptr %b) !dbg !4 {
    307. 

  307. // CHECK:STDOUT: entry:
    308. 

  308. // CHECK:STDOUT:   %F.call.vtable = load ptr, ptr %b, align 8, !dbg !7
    309. 

  309. // CHECK:STDOUT:   %F.call = call ptr @llvm.load.relative.i32(ptr %F.call.vtable, i32 0), !dbg !7
    310. 

  310. // CHECK:STDOUT:   call void %F.call(ptr %b), !dbg !7
    311. 

  311. // CHECK:STDOUT:   ret void, !dbg !8
    312. 

  312. // CHECK:STDOUT: }
    313. 

  313. // CHECK:STDOUT:
    314. 

  314. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
    315. 

  315. // CHECK:STDOUT: declare ptr @llvm.load.relative.i32(ptr, i32) #0
    316. 

  316. // CHECK:STDOUT:
    317. 

  317. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) }
    318. 

  318. // CHECK:STDOUT:
    319. 

  319. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    320. 

  320. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    321. 

  321. // CHECK:STDOUT:
    322. 

  322. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    323. 

  323. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    324. 

  324. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    325. 

  325. // CHECK:STDOUT: !3 = !DIFile(filename: "call.carbon", directory: "")
    326. 

  326. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Use", linkageName: "_CUse.Main", scope: null, file: !3, line: 8, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    327. 

  327. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    328. 

  328. // CHECK:STDOUT: !6 = !{}
    329. 

  329. // CHECK:STDOUT: !7 = !DILocation(line: 9, column: 3, scope: !4)
    330. 

  330. // CHECK:STDOUT: !8 = !DILocation(line: 8, column: 1, scope: !4)
    331. 

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

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

  333. // CHECK:STDOUT:
    334. 

  334. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    335. 

  335. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    336. 

  336. // CHECK:STDOUT:
    337. 

  337. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    338. 

  338. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    339. 

  339. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    340. 

  340. // CHECK:STDOUT: !3 = !DIFile(filename: "generic.carbon", directory: "")
    341.