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carbon-lang
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lower
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call_basic.carbon

call_basic.carbon 20 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // 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/function/generic/call_basic.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/generic/call_basic.carbon
    10. 

  10. 

  11. class C {
    12. 

  12.   fn Cfn[self: Self, T:! type](x: T) {
    13. 

  13.   }
    14. 

  14. }
    15. 

  15. 

  16. fn F[T:! type](x: T) {
    17. 

  17. }
    18. 

  18. 

  19. fn H[T:! type](x: T) -> T {
    20. 

  20.   return x;
    21. 

  21. }
    22. 

  22. 

  23. fn G[T:! type](x: T) -> T {
    24. 

  24.   // small stress test for single depth of calls with change in types
    25. 

  25.   H(x);
    26. 

  26.   H(T);
    27. 

  27.   H(i32);
    28. 

  28.   H(G(x));
    29. 

  29.   G(T);
    30. 

  30. 

  31.   var a: f64;
    32. 

  32.   G(a);
    33. 

  33.   H(a);
    34. 

  34. 

  35.   var c: C;
    36. 

  36.   c.Cfn(x);
    37. 

  37.   // Currently, the definition of this H lowers to a void method with a param
    38. 

  38.   // as the return slot and taking a ptr param.
    39. 

  39.   H(c);
    40. 

  40. 

  41.   return x;
    42. 

  42. }
    43. 

  43. 

  44. fn M() {
    45. 

  45.   var n: i32 = 0;
    46. 

  46.   var m: i32;
    47. 

  47.   var p: f64 = 1.0;
    48. 

  48.   var q: f64;
    49. 

  49. 

  50.   F(n);
    51. 

  51.   m = G(n);
    52. 

  52.   F(p);
    53. 

  53.   q = G(p);
    54. 

  54. 

  55.   // TODO: Currently, the definitions of H for these calls lower to different
    56. 

  56.   // identical functions taking a ptr param and returning a ptr.
    57. 

  57.   var ptr_i32 : i32*;
    58. 

  58.   H(ptr_i32);
    59. 

  59.   var ptr_f64 : f64*;
    60. 

  60.   H(ptr_f64);
    61. 

  61.   var ptr_i8 : i8*;
    62. 

  62.   H(ptr_i8);
    63. 

  63. }
    64. 

  64. 

  65. // CHECK:STDOUT: ; ModuleID = 'call_basic.carbon'
    66. 

  66. // CHECK:STDOUT: source_filename = "call_basic.carbon"
    67. 

  67. // CHECK:STDOUT:
    68. 

  68. // CHECK:STDOUT: %type = type {}
    69. 

  69. // CHECK:STDOUT:
    70. 

  70. // CHECK:STDOUT: define void @_CM.Main() !dbg !4 {
    71. 

  71. // CHECK:STDOUT: entry:
    72. 

  72. // CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !7
    73. 

  73. // CHECK:STDOUT:   %m.var = alloca i32, align 4, !dbg !7
    74. 

  74. // CHECK:STDOUT:   %p.var = alloca double, align 8, !dbg !7
    75. 

  75. // CHECK:STDOUT:   %q.var = alloca double, align 8, !dbg !7
    76. 

  76. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !7
    77. 

  77. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !7
    78. 

  78. // CHECK:STDOUT:   %ptr_i8.var = alloca ptr, align 8, !dbg !7
    79. 

  79. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 4, ptr %n.var), !dbg !7
    80. 

  80. // CHECK:STDOUT:   store i32 0, ptr %n.var, align 4, !dbg !7
    81. 

  81. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 4, ptr %m.var), !dbg !7
    82. 

  82. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %p.var), !dbg !7
    83. 

  83. // CHECK:STDOUT:   store double 1.000000e+00, ptr %p.var, align 8, !dbg !8
    84. 

  84. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %q.var), !dbg !7
    85. 

  85. // CHECK:STDOUT:   %.loc50 = load i32, ptr %n.var, align 4, !dbg !9
    86. 

  86. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(i32 %.loc50), !dbg !10
    87. 

  87. // CHECK:STDOUT:   %.loc51 = load i32, ptr %n.var, align 4, !dbg !11
    88. 

  88. // CHECK:STDOUT:   %G.call.loc51 = call i32 @_CG.Main.b88d1103f417c6d4(i32 %.loc51), !dbg !12
    89. 

  89. // CHECK:STDOUT:   store i32 %G.call.loc51, ptr %m.var, align 4, !dbg !13
    90. 

  90. // CHECK:STDOUT:   %.loc52 = load double, ptr %p.var, align 8, !dbg !14
    91. 

  91. // CHECK:STDOUT:   call void @_CF.Main.66be507887ceee78(double %.loc52), !dbg !15
    92. 

  92. // CHECK:STDOUT:   %.loc53 = load double, ptr %p.var, align 8, !dbg !16
    93. 

  93. // CHECK:STDOUT:   %G.call.loc53 = call double @_CG.Main.66be507887ceee78(double %.loc53), !dbg !17
    94. 

  94. // CHECK:STDOUT:   store double %G.call.loc53, ptr %q.var, align 8, !dbg !18
    95. 

  95. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %ptr_i32.var), !dbg !7
    96. 

  96. // CHECK:STDOUT:   %.loc58 = load ptr, ptr %ptr_i32.var, align 8, !dbg !19
    97. 

  97. // CHECK:STDOUT:   %H.call.loc58 = call ptr @_CH.Main.e8193710fd35b608(ptr %.loc58), !dbg !20
    98. 

  98. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %ptr_f64.var), !dbg !7
    99. 

  99. // CHECK:STDOUT:   %.loc60 = load ptr, ptr %ptr_f64.var, align 8, !dbg !21
    100. 

  100. // CHECK:STDOUT:   %H.call.loc60 = call ptr @_CH.Main.04bf2edaaa84aa22(ptr %.loc60), !dbg !22
    101. 

  101. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %ptr_i8.var), !dbg !7
    102. 

  102. // CHECK:STDOUT:   %.loc62 = load ptr, ptr %ptr_i8.var, align 8, !dbg !23
    103. 

  103. // CHECK:STDOUT:   %H.call.loc62 = call ptr @_CH.Main.bda010de15e6a5ad(ptr %.loc62), !dbg !24
    104. 

  104. // CHECK:STDOUT:   ret void, !dbg !25
    105. 

  105. // CHECK:STDOUT: }
    106. 

  106. // CHECK:STDOUT:
    107. 

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

  108. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, ptr captures(none)) #0
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: define void @_CF.Main.b88d1103f417c6d4(i32 %x) !dbg !26 {
    111. 

  111. // CHECK:STDOUT: entry:
    112. 

  112. // CHECK:STDOUT:   ret void, !dbg !27
    113. 

  113. // CHECK:STDOUT: }
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT: define i32 @_CG.Main.b88d1103f417c6d4(i32 %x) !dbg !28 {
    116. 

  116. // CHECK:STDOUT: entry:
    117. 

  117. // CHECK:STDOUT:   %a.var = alloca double, align 8, !dbg !29
    118. 

  118. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !30
    119. 

  119. // CHECK:STDOUT:   %H.call.loc25 = call i32 @_CH.Main.b88d1103f417c6d4(i32 %x), !dbg !30
    120. 

  120. // CHECK:STDOUT:   %H.call.loc26 = call %type @_CH.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !31
    121. 

  121. // CHECK:STDOUT:   %H.call.loc27 = call %type @_CH.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !32
    122. 

  122. // CHECK:STDOUT:   %G.call.loc28 = call i32 @_CG.Main.b88d1103f417c6d4(i32 %x), !dbg !33
    123. 

  123. // CHECK:STDOUT:   %H.call.loc28 = call i32 @_CH.Main.b88d1103f417c6d4(i32 %G.call.loc28), !dbg !34
    124. 

  124. // CHECK:STDOUT:   %G.call.loc29 = call %type @_CG.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !35
    125. 

  125. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %a.var), !dbg !29
    126. 

  126. // CHECK:STDOUT:   %.loc32 = load double, ptr %a.var, align 8, !dbg !36
    127. 

  127. // CHECK:STDOUT:   %G.call.loc32 = call double @_CG.Main.66be507887ceee78(double %.loc32), !dbg !37
    128. 

  128. // CHECK:STDOUT:   %.loc33 = load double, ptr %a.var, align 8, !dbg !38
    129. 

  129. // CHECK:STDOUT:   %H.call.loc33 = call double @_CH.Main.66be507887ceee78(double %.loc33), !dbg !39
    130. 

  130. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 0, ptr %c.var), !dbg !30
    131. 

  131. // CHECK:STDOUT:   call void @_CCfn.C.Main.b88d1103f417c6d4(ptr %c.var, i32 %x), !dbg !40
    132. 

  132. // CHECK:STDOUT:   %.loc39_6.1.temp = alloca {}, align 8, !dbg !41
    133. 

  133. // CHECK:STDOUT:   call void @_CH.Main.15b1f98bd9cc0c5b(ptr %.loc39_6.1.temp, ptr %c.var), !dbg !41
    134. 

  134. // CHECK:STDOUT:   ret i32 %x, !dbg !42
    135. 

  135. // CHECK:STDOUT: }
    136. 

  136. // CHECK:STDOUT:
    137. 

  137. // CHECK:STDOUT: define void @_CF.Main.66be507887ceee78(double %x) !dbg !43 {
    138. 

  138. // CHECK:STDOUT: entry:
    139. 

  139. // CHECK:STDOUT:   ret void, !dbg !44
    140. 

  140. // CHECK:STDOUT: }
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: define double @_CG.Main.66be507887ceee78(double %x) !dbg !45 {
    143. 

  143. // CHECK:STDOUT: entry:
    144. 

  144. // CHECK:STDOUT:   %a.var = alloca double, align 8, !dbg !46
    145. 

  145. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !47
    146. 

  146. // CHECK:STDOUT:   %H.call.loc25 = call double @_CH.Main.66be507887ceee78(double %x), !dbg !47
    147. 

  147. // CHECK:STDOUT:   %H.call.loc26 = call %type @_CH.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !48
    148. 

  148. // CHECK:STDOUT:   %H.call.loc27 = call %type @_CH.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !49
    149. 

  149. // CHECK:STDOUT:   %G.call.loc28 = call double @_CG.Main.66be507887ceee78(double %x), !dbg !50
    150. 

  150. // CHECK:STDOUT:   %H.call.loc28 = call double @_CH.Main.66be507887ceee78(double %G.call.loc28), !dbg !51
    151. 

  151. // CHECK:STDOUT:   %G.call.loc29 = call %type @_CG.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !52
    152. 

  152. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %a.var), !dbg !46
    153. 

  153. // CHECK:STDOUT:   %.loc32 = load double, ptr %a.var, align 8, !dbg !53
    154. 

  154. // CHECK:STDOUT:   %G.call.loc32 = call double @_CG.Main.66be507887ceee78(double %.loc32), !dbg !54
    155. 

  155. // CHECK:STDOUT:   %.loc33 = load double, ptr %a.var, align 8, !dbg !55
    156. 

  156. // CHECK:STDOUT:   %H.call.loc33 = call double @_CH.Main.66be507887ceee78(double %.loc33), !dbg !56
    157. 

  157. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 0, ptr %c.var), !dbg !47
    158. 

  158. // CHECK:STDOUT:   call void @_CCfn.C.Main.66be507887ceee78(ptr %c.var, double %x), !dbg !57
    159. 

  159. // CHECK:STDOUT:   %.loc39_6.1.temp = alloca {}, align 8, !dbg !58
    160. 

  160. // CHECK:STDOUT:   call void @_CH.Main.15b1f98bd9cc0c5b(ptr %.loc39_6.1.temp, ptr %c.var), !dbg !58
    161. 

  161. // CHECK:STDOUT:   ret double %x, !dbg !59
    162. 

  162. // CHECK:STDOUT: }
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: define ptr @_CH.Main.e8193710fd35b608(ptr %x) !dbg !60 {
    165. 

  165. // CHECK:STDOUT: entry:
    166. 

  166. // CHECK:STDOUT:   ret ptr %x, !dbg !61
    167. 

  167. // CHECK:STDOUT: }
    168. 

  168. // CHECK:STDOUT:
    169. 

  169. // CHECK:STDOUT: define ptr @_CH.Main.04bf2edaaa84aa22(ptr %x) !dbg !62 {
    170. 

  170. // CHECK:STDOUT: entry:
    171. 

  171. // CHECK:STDOUT:   ret ptr %x, !dbg !63
    172. 

  172. // CHECK:STDOUT: }
    173. 

  173. // CHECK:STDOUT:
    174. 

  174. // CHECK:STDOUT: define ptr @_CH.Main.bda010de15e6a5ad(ptr %x) !dbg !64 {
    175. 

  175. // CHECK:STDOUT: entry:
    176. 

  176. // CHECK:STDOUT:   ret ptr %x, !dbg !65
    177. 

  177. // CHECK:STDOUT: }
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: define i32 @_CH.Main.b88d1103f417c6d4(i32 %x) !dbg !66 {
    180. 

  180. // CHECK:STDOUT: entry:
    181. 

  181. // CHECK:STDOUT:   ret i32 %x, !dbg !67
    182. 

  182. // CHECK:STDOUT: }
    183. 

  183. // CHECK:STDOUT:
    184. 

  184. // CHECK:STDOUT: define %type @_CH.Main.5754c7a55c7cbe4a(%type %x) !dbg !68 {
    185. 

  185. // CHECK:STDOUT: entry:
    186. 

  186. // CHECK:STDOUT:   ret %type %x, !dbg !69
    187. 

  187. // CHECK:STDOUT: }
    188. 

  188. // CHECK:STDOUT:
    189. 

  189. // CHECK:STDOUT: define %type @_CG.Main.5754c7a55c7cbe4a(%type %x) !dbg !70 {
    190. 

  190. // CHECK:STDOUT: entry:
    191. 

  191. // CHECK:STDOUT:   %a.var = alloca double, align 8, !dbg !71
    192. 

  192. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !72
    193. 

  193. // CHECK:STDOUT:   %H.call.loc25 = call %type @_CH.Main.5754c7a55c7cbe4a(%type %x), !dbg !72
    194. 

  194. // CHECK:STDOUT:   %H.call.loc26 = call %type @_CH.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !73
    195. 

  195. // CHECK:STDOUT:   %H.call.loc27 = call %type @_CH.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !74
    196. 

  196. // CHECK:STDOUT:   %G.call.loc28 = call %type @_CG.Main.5754c7a55c7cbe4a(%type %x), !dbg !75
    197. 

  197. // CHECK:STDOUT:   %H.call.loc28 = call %type @_CH.Main.5754c7a55c7cbe4a(%type %G.call.loc28), !dbg !76
    198. 

  198. // CHECK:STDOUT:   %G.call.loc29 = call %type @_CG.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !77
    199. 

  199. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %a.var), !dbg !71
    200. 

  200. // CHECK:STDOUT:   %.loc32 = load double, ptr %a.var, align 8, !dbg !78
    201. 

  201. // CHECK:STDOUT:   %G.call.loc32 = call double @_CG.Main.66be507887ceee78(double %.loc32), !dbg !79
    202. 

  202. // CHECK:STDOUT:   %.loc33 = load double, ptr %a.var, align 8, !dbg !80
    203. 

  203. // CHECK:STDOUT:   %H.call.loc33 = call double @_CH.Main.66be507887ceee78(double %.loc33), !dbg !81
    204. 

  204. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 0, ptr %c.var), !dbg !72
    205. 

  205. // CHECK:STDOUT:   call void @_CCfn.C.Main.5754c7a55c7cbe4a(ptr %c.var, %type %x), !dbg !82
    206. 

  206. // CHECK:STDOUT:   %.loc39_6.1.temp = alloca {}, align 8, !dbg !83
    207. 

  207. // CHECK:STDOUT:   call void @_CH.Main.15b1f98bd9cc0c5b(ptr %.loc39_6.1.temp, ptr %c.var), !dbg !83
    208. 

  208. // CHECK:STDOUT:   ret %type %x, !dbg !84
    209. 

  209. // CHECK:STDOUT: }
    210. 

  210. // CHECK:STDOUT:
    211. 

  211. // CHECK:STDOUT: define double @_CH.Main.66be507887ceee78(double %x) !dbg !85 {
    212. 

  212. // CHECK:STDOUT: entry:
    213. 

  213. // CHECK:STDOUT:   ret double %x, !dbg !86
    214. 

  214. // CHECK:STDOUT: }
    215. 

  215. // CHECK:STDOUT:
    216. 

  216. // CHECK:STDOUT: define void @_CCfn.C.Main.b88d1103f417c6d4(ptr %self, i32 %x) !dbg !87 {
    217. 

  217. // CHECK:STDOUT: entry:
    218. 

  218. // CHECK:STDOUT:   ret void, !dbg !88
    219. 

  219. // CHECK:STDOUT: }
    220. 

  220. // CHECK:STDOUT:
    221. 

  221. // CHECK:STDOUT: define void @_CH.Main.15b1f98bd9cc0c5b(ptr sret({}) %return, ptr %x) !dbg !89 {
    222. 

  222. // CHECK:STDOUT: entry:
    223. 

  223. // CHECK:STDOUT:   ret ptr %x, !dbg !90
    224. 

  224. // CHECK:STDOUT: }
    225. 

  225. // CHECK:STDOUT:
    226. 

  226. // CHECK:STDOUT: define void @_CCfn.C.Main.66be507887ceee78(ptr %self, double %x) !dbg !91 {
    227. 

  227. // CHECK:STDOUT: entry:
    228. 

  228. // CHECK:STDOUT:   ret void, !dbg !92
    229. 

  229. // CHECK:STDOUT: }
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: define void @_CCfn.C.Main.5754c7a55c7cbe4a(ptr %self, %type %x) !dbg !93 {
    232. 

  232. // CHECK:STDOUT: entry:
    233. 

  233. // CHECK:STDOUT:   ret void, !dbg !94
    234. 

  234. // CHECK:STDOUT: }
    235. 

  235. // CHECK:STDOUT:
    236. 

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

  237. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 0, 1, 2, 3, 4, 5, 12, 11, 10, 9, 8, 7, 6 }
    238. 

  238. // CHECK:STDOUT: uselistorder ptr @_CG.Main.66be507887ceee78, { 0, 1, 2, 4, 3 }
    239. 

  239. // CHECK:STDOUT: uselistorder ptr @_CH.Main.b88d1103f417c6d4, { 1, 0 }
    240. 

  240. // CHECK:STDOUT: uselistorder ptr @_CH.Main.5754c7a55c7cbe4a, { 0, 1, 2, 3, 7, 6, 5, 4 }
    241. 

  241. // CHECK:STDOUT: uselistorder ptr @_CG.Main.5754c7a55c7cbe4a, { 0, 1, 3, 2 }
    242. 

  242. // CHECK:STDOUT: uselistorder ptr @_CH.Main.66be507887ceee78, { 4, 3, 2, 1, 0 }
    243. 

  243. // CHECK:STDOUT: uselistorder ptr @_CH.Main.15b1f98bd9cc0c5b, { 2, 1, 0 }
    244. 

  244. // CHECK:STDOUT:
    245. 

  245. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    246. 

  246. // CHECK:STDOUT:
    247. 

  247. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    248. 

  248. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    249. 

  249. // CHECK:STDOUT:
    250. 

  250. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    251. 

  251. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    252. 

  252. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    253. 

  253. // CHECK:STDOUT: !3 = !DIFile(filename: "call_basic.carbon", directory: "")
    254. 

  254. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 44, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    255. 

  255. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    256. 

  256. // CHECK:STDOUT: !6 = !{}
    257. 

  257. // CHECK:STDOUT: !7 = !DILocation(line: 45, column: 3, scope: !4)
    258. 

  258. // CHECK:STDOUT: !8 = !DILocation(line: 47, column: 3, scope: !4)
    259. 

  259. // CHECK:STDOUT: !9 = !DILocation(line: 50, column: 5, scope: !4)
    260. 

  260. // CHECK:STDOUT: !10 = !DILocation(line: 50, column: 3, scope: !4)
    261. 

  261. // CHECK:STDOUT: !11 = !DILocation(line: 51, column: 9, scope: !4)
    262. 

  262. // CHECK:STDOUT: !12 = !DILocation(line: 51, column: 7, scope: !4)
    263. 

  263. // CHECK:STDOUT: !13 = !DILocation(line: 51, column: 3, scope: !4)
    264. 

  264. // CHECK:STDOUT: !14 = !DILocation(line: 52, column: 5, scope: !4)
    265. 

  265. // CHECK:STDOUT: !15 = !DILocation(line: 52, column: 3, scope: !4)
    266. 

  266. // CHECK:STDOUT: !16 = !DILocation(line: 53, column: 9, scope: !4)
    267. 

  267. // CHECK:STDOUT: !17 = !DILocation(line: 53, column: 7, scope: !4)
    268. 

  268. // CHECK:STDOUT: !18 = !DILocation(line: 53, column: 3, scope: !4)
    269. 

  269. // CHECK:STDOUT: !19 = !DILocation(line: 58, column: 5, scope: !4)
    270. 

  270. // CHECK:STDOUT: !20 = !DILocation(line: 58, column: 3, scope: !4)
    271. 

  271. // CHECK:STDOUT: !21 = !DILocation(line: 60, column: 5, scope: !4)
    272. 

  272. // CHECK:STDOUT: !22 = !DILocation(line: 60, column: 3, scope: !4)
    273. 

  273. // CHECK:STDOUT: !23 = !DILocation(line: 62, column: 5, scope: !4)
    274. 

  274. // CHECK:STDOUT: !24 = !DILocation(line: 62, column: 3, scope: !4)
    275. 

  275. // CHECK:STDOUT: !25 = !DILocation(line: 44, column: 1, scope: !4)
    276. 

  276. // CHECK:STDOUT: !26 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.b88d1103f417c6d4", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    277. 

  277. // CHECK:STDOUT: !27 = !DILocation(line: 16, column: 1, scope: !26)
    278. 

  278. // CHECK:STDOUT: !28 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.b88d1103f417c6d4", scope: null, file: !3, line: 23, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    279. 

  279. // CHECK:STDOUT: !29 = !DILocation(line: 31, column: 3, scope: !28)
    280. 

  280. // CHECK:STDOUT: !30 = !DILocation(line: 25, column: 3, scope: !28)
    281. 

  281. // CHECK:STDOUT: !31 = !DILocation(line: 26, column: 3, scope: !28)
    282. 

  282. // CHECK:STDOUT: !32 = !DILocation(line: 27, column: 3, scope: !28)
    283. 

  283. // CHECK:STDOUT: !33 = !DILocation(line: 28, column: 5, scope: !28)
    284. 

  284. // CHECK:STDOUT: !34 = !DILocation(line: 28, column: 3, scope: !28)
    285. 

  285. // CHECK:STDOUT: !35 = !DILocation(line: 29, column: 3, scope: !28)
    286. 

  286. // CHECK:STDOUT: !36 = !DILocation(line: 32, column: 5, scope: !28)
    287. 

  287. // CHECK:STDOUT: !37 = !DILocation(line: 32, column: 3, scope: !28)
    288. 

  288. // CHECK:STDOUT: !38 = !DILocation(line: 33, column: 5, scope: !28)
    289. 

  289. // CHECK:STDOUT: !39 = !DILocation(line: 33, column: 3, scope: !28)
    290. 

  290. // CHECK:STDOUT: !40 = !DILocation(line: 36, column: 3, scope: !28)
    291. 

  291. // CHECK:STDOUT: !41 = !DILocation(line: 39, column: 3, scope: !28)
    292. 

  292. // CHECK:STDOUT: !42 = !DILocation(line: 41, column: 3, scope: !28)
    293. 

  293. // CHECK:STDOUT: !43 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.66be507887ceee78", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    294. 

  294. // CHECK:STDOUT: !44 = !DILocation(line: 16, column: 1, scope: !43)
    295. 

  295. // CHECK:STDOUT: !45 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.66be507887ceee78", scope: null, file: !3, line: 23, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    296. 

  296. // CHECK:STDOUT: !46 = !DILocation(line: 31, column: 3, scope: !45)
    297. 

  297. // CHECK:STDOUT: !47 = !DILocation(line: 25, column: 3, scope: !45)
    298. 

  298. // CHECK:STDOUT: !48 = !DILocation(line: 26, column: 3, scope: !45)
    299. 

  299. // CHECK:STDOUT: !49 = !DILocation(line: 27, column: 3, scope: !45)
    300. 

  300. // CHECK:STDOUT: !50 = !DILocation(line: 28, column: 5, scope: !45)
    301. 

  301. // CHECK:STDOUT: !51 = !DILocation(line: 28, column: 3, scope: !45)
    302. 

  302. // CHECK:STDOUT: !52 = !DILocation(line: 29, column: 3, scope: !45)
    303. 

  303. // CHECK:STDOUT: !53 = !DILocation(line: 32, column: 5, scope: !45)
    304. 

  304. // CHECK:STDOUT: !54 = !DILocation(line: 32, column: 3, scope: !45)
    305. 

  305. // CHECK:STDOUT: !55 = !DILocation(line: 33, column: 5, scope: !45)
    306. 

  306. // CHECK:STDOUT: !56 = !DILocation(line: 33, column: 3, scope: !45)
    307. 

  307. // CHECK:STDOUT: !57 = !DILocation(line: 36, column: 3, scope: !45)
    308. 

  308. // CHECK:STDOUT: !58 = !DILocation(line: 39, column: 3, scope: !45)
    309. 

  309. // CHECK:STDOUT: !59 = !DILocation(line: 41, column: 3, scope: !45)
    310. 

  310. // CHECK:STDOUT: !60 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.e8193710fd35b608", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    311. 

  311. // CHECK:STDOUT: !61 = !DILocation(line: 20, column: 3, scope: !60)
    312. 

  312. // CHECK:STDOUT: !62 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.04bf2edaaa84aa22", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    313. 

  313. // CHECK:STDOUT: !63 = !DILocation(line: 20, column: 3, scope: !62)
    314. 

  314. // CHECK:STDOUT: !64 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.bda010de15e6a5ad", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    315. 

  315. // CHECK:STDOUT: !65 = !DILocation(line: 20, column: 3, scope: !64)
    316. 

  316. // CHECK:STDOUT: !66 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.b88d1103f417c6d4", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    317. 

  317. // CHECK:STDOUT: !67 = !DILocation(line: 20, column: 3, scope: !66)
    318. 

  318. // CHECK:STDOUT: !68 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.5754c7a55c7cbe4a", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    319. 

  319. // CHECK:STDOUT: !69 = !DILocation(line: 20, column: 3, scope: !68)
    320. 

  320. // CHECK:STDOUT: !70 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.5754c7a55c7cbe4a", scope: null, file: !3, line: 23, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    321. 

  321. // CHECK:STDOUT: !71 = !DILocation(line: 31, column: 3, scope: !70)
    322. 

  322. // CHECK:STDOUT: !72 = !DILocation(line: 25, column: 3, scope: !70)
    323. 

  323. // CHECK:STDOUT: !73 = !DILocation(line: 26, column: 3, scope: !70)
    324. 

  324. // CHECK:STDOUT: !74 = !DILocation(line: 27, column: 3, scope: !70)
    325. 

  325. // CHECK:STDOUT: !75 = !DILocation(line: 28, column: 5, scope: !70)
    326. 

  326. // CHECK:STDOUT: !76 = !DILocation(line: 28, column: 3, scope: !70)
    327. 

  327. // CHECK:STDOUT: !77 = !DILocation(line: 29, column: 3, scope: !70)
    328. 

  328. // CHECK:STDOUT: !78 = !DILocation(line: 32, column: 5, scope: !70)
    329. 

  329. // CHECK:STDOUT: !79 = !DILocation(line: 32, column: 3, scope: !70)
    330. 

  330. // CHECK:STDOUT: !80 = !DILocation(line: 33, column: 5, scope: !70)
    331. 

  331. // CHECK:STDOUT: !81 = !DILocation(line: 33, column: 3, scope: !70)
    332. 

  332. // CHECK:STDOUT: !82 = !DILocation(line: 36, column: 3, scope: !70)
    333. 

  333. // CHECK:STDOUT: !83 = !DILocation(line: 39, column: 3, scope: !70)
    334. 

  334. // CHECK:STDOUT: !84 = !DILocation(line: 41, column: 3, scope: !70)
    335. 

  335. // CHECK:STDOUT: !85 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.66be507887ceee78", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    336. 

  336. // CHECK:STDOUT: !86 = !DILocation(line: 20, column: 3, scope: !85)
    337. 

  337. // CHECK:STDOUT: !87 = distinct !DISubprogram(name: "Cfn", linkageName: "_CCfn.C.Main.b88d1103f417c6d4", scope: null, file: !3, line: 12, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    338. 

  338. // CHECK:STDOUT: !88 = !DILocation(line: 12, column: 3, scope: !87)
    339. 

  339. // CHECK:STDOUT: !89 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.15b1f98bd9cc0c5b", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    340. 

  340. // CHECK:STDOUT: !90 = !DILocation(line: 20, column: 3, scope: !89)
    341. 

  341. // CHECK:STDOUT: !91 = distinct !DISubprogram(name: "Cfn", linkageName: "_CCfn.C.Main.66be507887ceee78", scope: null, file: !3, line: 12, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    342. 

  342. // CHECK:STDOUT: !92 = !DILocation(line: 12, column: 3, scope: !91)
    343. 

  343. // CHECK:STDOUT: !93 = distinct !DISubprogram(name: "Cfn", linkageName: "_CCfn.C.Main.5754c7a55c7cbe4a", scope: null, file: !3, line: 12, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    344. 

  344. // CHECK:STDOUT: !94 = !DILocation(line: 12, column: 3, scope: !93)
    345.