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call_basic.carbon

call_basic.carbon 19 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

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

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

  4. //
    5. 

  5. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.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/function/generic/call_basic.carbon
    10. 

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

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/generic/call_basic.carbon
    12. 

  12. 

  13. class C {
    14. 

  14.   impl as Core.Copy {
    15. 

  15.     fn Op[self: Self]() -> Self { return {}; }
    16. 

  16.   }
    17. 

  17. }
    18. 

  18. 

  19. fn F[T:! type](x: T) {
    20. 

  20. }
    21. 

  21. 

  22. fn H[T:! Core.Copy](x: T) -> T {
    23. 

  23.   return x;
    24. 

  24. }
    25. 

  25. 

  26. // Simple stress test for single depth of calls with change in types.
    27. 

  27. // Check definitions are emitted for each specific.
    28. 

  28. fn G[T:! Core.Copy & Core.Destroy](x: T) -> T {
    29. 

  29.   H(x);
    30. 

  30.   H(i32);
    31. 

  31.   H(G(x));
    32. 

  32. 

  33.   // Calls to H with types not dependent on T.
    34. 

  34.   var var_f64: f64;
    35. 

  35.   H(var_f64);
    36. 

  36.   var ptr_i32 : i32*;
    37. 

  37.   H(ptr_i32);
    38. 

  38.   var ptr_f64 : f64*;
    39. 

  39.   H(ptr_f64);
    40. 

  40.   var ptr_i8 : i8*;
    41. 

  41.   H(ptr_i8);
    42. 

  42.   var c: C;
    43. 

  43.   H(c);
    44. 

  44. 

  45.   return x;
    46. 

  46. }
    47. 

  47. 

  48. fn M() {
    49. 

  49.   var n: i32 = 0;
    50. 

  50.   var m: i32;
    51. 

  51.   var p: f64 = 1.0;
    52. 

  52.   var q: f64;
    53. 

  53. 

  54.   F(n);
    55. 

  55.   m = G(n);
    56. 

  56.   F(p);
    57. 

  57.   q = G(p);
    58. 

  58. }
    59. 

  59. 

  60. // CHECK:STDOUT: ; ModuleID = 'call_basic.carbon'
    61. 

  61. // CHECK:STDOUT: source_filename = "call_basic.carbon"
    62. 

  62. // CHECK:STDOUT:
    63. 

  63. // CHECK:STDOUT: %type = type {}
    64. 

  64. // CHECK:STDOUT:
    65. 

  65. // CHECK:STDOUT: @C.val.loc15_44 = internal constant {} zeroinitializer
    66. 

  66. // CHECK:STDOUT:
    67. 

  67. // CHECK:STDOUT: ; Function Attrs: nounwind
    68. 

  68. // CHECK:STDOUT: define void @"_COp.C.Main:Copy.Core"(ptr sret({}) %return, ptr %self) #0 !dbg !4 {
    69. 

  69. // CHECK:STDOUT: entry:
    70. 

  70. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %return, ptr align 1 @C.val.loc15_44, i64 0, i1 false), !dbg !7
    71. 

  71. // CHECK:STDOUT:   ret void, !dbg !7
    72. 

  72. // CHECK:STDOUT: }
    73. 

  73. // CHECK:STDOUT:
    74. 

  74. // CHECK:STDOUT: ; Function Attrs: nounwind
    75. 

  75. // CHECK:STDOUT: define void @_CM.Main() #0 !dbg !8 {
    76. 

  76. // CHECK:STDOUT: entry:
    77. 

  77. // CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !9
    78. 

  78. // CHECK:STDOUT:   %m.var = alloca i32, align 4, !dbg !10
    79. 

  79. // CHECK:STDOUT:   %p.var = alloca double, align 8, !dbg !11
    80. 

  80. // CHECK:STDOUT:   %q.var = alloca double, align 8, !dbg !12
    81. 

  81. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !9
    82. 

  82. // CHECK:STDOUT:   store i32 0, ptr %n.var, align 4, !dbg !9
    83. 

  83. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %m.var), !dbg !10
    84. 

  84. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %p.var), !dbg !11
    85. 

  85. // CHECK:STDOUT:   store double 1.000000e+00, ptr %p.var, align 8, !dbg !11
    86. 

  86. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %q.var), !dbg !12
    87. 

  87. // CHECK:STDOUT:   %.loc54 = load i32, ptr %n.var, align 4, !dbg !13
    88. 

  88. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(i32 %.loc54), !dbg !14
    89. 

  89. // CHECK:STDOUT:   %.loc55_9 = load i32, ptr %n.var, align 4, !dbg !15
    90. 

  90. // CHECK:STDOUT:   %G.call.loc55 = call i32 @_CG.Main.d756e33fa3337243(i32 %.loc55_9), !dbg !16
    91. 

  91. // CHECK:STDOUT:   store i32 %G.call.loc55, ptr %m.var, align 4, !dbg !17
    92. 

  92. // CHECK:STDOUT:   %.loc56 = load double, ptr %p.var, align 8, !dbg !18
    93. 

  93. // CHECK:STDOUT:   call void @_CF.Main.d4b5665541d5d7a8(double %.loc56), !dbg !19
    94. 

  94. // CHECK:STDOUT:   %.loc57_9 = load double, ptr %p.var, align 8, !dbg !20
    95. 

  95. // CHECK:STDOUT:   %G.call.loc57 = call double @_CG.Main.6765264419ed942e(double %.loc57_9), !dbg !21
    96. 

  96. // CHECK:STDOUT:   store double %G.call.loc57, ptr %q.var, align 8, !dbg !22
    97. 

  97. // CHECK:STDOUT:   ret void, !dbg !23
    98. 

  98. // CHECK:STDOUT: }
    99. 

  99. // CHECK:STDOUT:
    100. 

  100. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    101. 

  101. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    102. 

  102. // CHECK:STDOUT:
    103. 

  103. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    104. 

  104. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #2
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: ; Function Attrs: nounwind
    107. 

  107. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.b88d1103f417c6d4(i32 %x) #0 !dbg !24 {
    108. 

  108. // CHECK:STDOUT: entry:
    109. 

  109. // CHECK:STDOUT:   ret void, !dbg !25
    110. 

  110. // CHECK:STDOUT: }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: ; Function Attrs: nounwind
    113. 

  113. // CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.d756e33fa3337243(i32 %x) #0 !dbg !26 {
    114. 

  114. // CHECK:STDOUT: entry:
    115. 

  115. // CHECK:STDOUT:   %.loc29_6.3.temp = alloca i32, align 4, !dbg !27
    116. 

  116. // CHECK:STDOUT:   %.loc31_8.3.temp = alloca i32, align 4, !dbg !28
    117. 

  117. // CHECK:STDOUT:   %.loc31_9.3.temp = alloca i32, align 4, !dbg !29
    118. 

  118. // CHECK:STDOUT:   %var_f64.var = alloca double, align 8, !dbg !30
    119. 

  119. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !31
    120. 

  120. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !32
    121. 

  121. // CHECK:STDOUT:   %ptr_i8.var = alloca ptr, align 8, !dbg !33
    122. 

  122. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !34
    123. 

  123. // CHECK:STDOUT:   %.loc43_6.3.temp = alloca {}, align 8, !dbg !35
    124. 

  124. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_6.3.temp), !dbg !27
    125. 

  125. // CHECK:STDOUT:   %H.call.loc29 = call i32 @_CH.Main.5450dc8e8b8e0899(i32 %x), !dbg !27
    126. 

  126. // CHECK:STDOUT:   store i32 %H.call.loc29, ptr %.loc29_6.3.temp, align 4, !dbg !27
    127. 

  127. // CHECK:STDOUT:   %H.call.loc30 = call %type @_CH.Main.402deed6b8733082(%type zeroinitializer), !dbg !36
    128. 

  128. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_8.3.temp), !dbg !28
    129. 

  129. // CHECK:STDOUT:   %G.call = call i32 @_CG.Main.d756e33fa3337243(i32 %x), !dbg !28
    130. 

  130. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_9.3.temp), !dbg !29
    131. 

  131. // CHECK:STDOUT:   store i32 %G.call, ptr %.loc31_8.3.temp, align 4, !dbg !28
    132. 

  132. // CHECK:STDOUT:   %.loc31_8.5 = load i32, ptr %.loc31_8.3.temp, align 4, !dbg !28
    133. 

  133. // CHECK:STDOUT:   %H.call.loc31 = call i32 @_CH.Main.5450dc8e8b8e0899(i32 %.loc31_8.5), !dbg !29
    134. 

  134. // CHECK:STDOUT:   store i32 %H.call.loc31, ptr %.loc31_9.3.temp, align 4, !dbg !29
    135. 

  135. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var_f64.var), !dbg !30
    136. 

  136. // CHECK:STDOUT:   %.loc35_5 = load double, ptr %var_f64.var, align 8, !dbg !37
    137. 

  137. // CHECK:STDOUT:   %H.call.loc35 = call double @_CH.Main.83aece103b0a8681(double %.loc35_5), !dbg !38
    138. 

  138. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !31
    139. 

  139. // CHECK:STDOUT:   %.loc37_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !39
    140. 

  140. // CHECK:STDOUT:   %H.call.loc37 = call ptr @_CH.Main.0a952f8bcc623ce6(ptr %.loc37_5), !dbg !40
    141. 

  141. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !32
    142. 

  142. // CHECK:STDOUT:   %.loc39_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !41
    143. 

  143. // CHECK:STDOUT:   %H.call.loc39 = call ptr @_CH.Main.0a952f8bcc623ce6(ptr %.loc39_5), !dbg !42
    144. 

  144. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i8.var), !dbg !33
    145. 

  145. // CHECK:STDOUT:   %.loc41_5 = load ptr, ptr %ptr_i8.var, align 8, !dbg !43
    146. 

  146. // CHECK:STDOUT:   %H.call.loc41 = call ptr @_CH.Main.0a952f8bcc623ce6(ptr %.loc41_5), !dbg !44
    147. 

  147. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !34
    148. 

  148. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc43_6.3.temp), !dbg !35
    149. 

  149. // CHECK:STDOUT:   call void @_CH.Main.936d996ea935415c(ptr %.loc43_6.3.temp, ptr %c.var), !dbg !35
    150. 

  150. // CHECK:STDOUT:   ret i32 %x, !dbg !45
    151. 

  151. // CHECK:STDOUT: }
    152. 

  152. // CHECK:STDOUT:
    153. 

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

  154. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.d4b5665541d5d7a8(double %x) #0 !dbg !46 {
    155. 

  155. // CHECK:STDOUT: entry:
    156. 

  156. // CHECK:STDOUT:   ret void, !dbg !47
    157. 

  157. // CHECK:STDOUT: }
    158. 

  158. // CHECK:STDOUT:
    159. 

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

  160. // CHECK:STDOUT: define linkonce_odr double @_CG.Main.6765264419ed942e(double %x) #0 !dbg !48 {
    161. 

  161. // CHECK:STDOUT: entry:
    162. 

  162. // CHECK:STDOUT:   %.loc29_6.3.temp = alloca double, align 8, !dbg !49
    163. 

  163. // CHECK:STDOUT:   %.loc31_8.3.temp = alloca double, align 8, !dbg !50
    164. 

  164. // CHECK:STDOUT:   %.loc31_9.3.temp = alloca double, align 8, !dbg !51
    165. 

  165. // CHECK:STDOUT:   %var_f64.var = alloca double, align 8, !dbg !52
    166. 

  166. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !53
    167. 

  167. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !54
    168. 

  168. // CHECK:STDOUT:   %ptr_i8.var = alloca ptr, align 8, !dbg !55
    169. 

  169. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !56
    170. 

  170. // CHECK:STDOUT:   %.loc43_6.3.temp = alloca {}, align 8, !dbg !57
    171. 

  171. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_6.3.temp), !dbg !49
    172. 

  172. // CHECK:STDOUT:   %H.call.loc29 = call double @_CH.Main.83aece103b0a8681(double %x), !dbg !49
    173. 

  173. // CHECK:STDOUT:   store double %H.call.loc29, ptr %.loc29_6.3.temp, align 8, !dbg !49
    174. 

  174. // CHECK:STDOUT:   %H.call.loc30 = call %type @_CH.Main.402deed6b8733082(%type zeroinitializer), !dbg !58
    175. 

  175. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_8.3.temp), !dbg !50
    176. 

  176. // CHECK:STDOUT:   %G.call = call double @_CG.Main.6765264419ed942e(double %x), !dbg !50
    177. 

  177. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_9.3.temp), !dbg !51
    178. 

  178. // CHECK:STDOUT:   store double %G.call, ptr %.loc31_8.3.temp, align 8, !dbg !50
    179. 

  179. // CHECK:STDOUT:   %.loc31_8.5 = load double, ptr %.loc31_8.3.temp, align 8, !dbg !50
    180. 

  180. // CHECK:STDOUT:   %H.call.loc31 = call double @_CH.Main.83aece103b0a8681(double %.loc31_8.5), !dbg !51
    181. 

  181. // CHECK:STDOUT:   store double %H.call.loc31, ptr %.loc31_9.3.temp, align 8, !dbg !51
    182. 

  182. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var_f64.var), !dbg !52
    183. 

  183. // CHECK:STDOUT:   %.loc35_5 = load double, ptr %var_f64.var, align 8, !dbg !59
    184. 

  184. // CHECK:STDOUT:   %H.call.loc35 = call double @_CH.Main.83aece103b0a8681(double %.loc35_5), !dbg !60
    185. 

  185. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !53
    186. 

  186. // CHECK:STDOUT:   %.loc37_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !61
    187. 

  187. // CHECK:STDOUT:   %H.call.loc37 = call ptr @_CH.Main.0a952f8bcc623ce6(ptr %.loc37_5), !dbg !62
    188. 

  188. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !54
    189. 

  189. // CHECK:STDOUT:   %.loc39_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !63
    190. 

  190. // CHECK:STDOUT:   %H.call.loc39 = call ptr @_CH.Main.0a952f8bcc623ce6(ptr %.loc39_5), !dbg !64
    191. 

  191. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i8.var), !dbg !55
    192. 

  192. // CHECK:STDOUT:   %.loc41_5 = load ptr, ptr %ptr_i8.var, align 8, !dbg !65
    193. 

  193. // CHECK:STDOUT:   %H.call.loc41 = call ptr @_CH.Main.0a952f8bcc623ce6(ptr %.loc41_5), !dbg !66
    194. 

  194. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !56
    195. 

  195. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc43_6.3.temp), !dbg !57
    196. 

  196. // CHECK:STDOUT:   call void @_CH.Main.936d996ea935415c(ptr %.loc43_6.3.temp, ptr %c.var), !dbg !57
    197. 

  197. // CHECK:STDOUT:   ret double %x, !dbg !67
    198. 

  198. // CHECK:STDOUT: }
    199. 

  199. // CHECK:STDOUT:
    200. 

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

  201. // CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.5450dc8e8b8e0899(i32 %x) #0 !dbg !68 {
    202. 

  202. // CHECK:STDOUT: entry:
    203. 

  203. // CHECK:STDOUT:   ret i32 %x, !dbg !69
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206. 

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

  207. // CHECK:STDOUT: define linkonce_odr %type @_CH.Main.402deed6b8733082(%type %x) #0 !dbg !70 {
    208. 

  208. // CHECK:STDOUT: entry:
    209. 

  209. // CHECK:STDOUT:   ret %type %x, !dbg !71
    210. 

  210. // CHECK:STDOUT: }
    211. 

  211. // CHECK:STDOUT:
    212. 

  212. // CHECK:STDOUT: ; Function Attrs: nounwind
    213. 

  213. // CHECK:STDOUT: define linkonce_odr double @_CH.Main.83aece103b0a8681(double %x) #0 !dbg !72 {
    214. 

  214. // CHECK:STDOUT: entry:
    215. 

  215. // CHECK:STDOUT:   ret double %x, !dbg !73
    216. 

  216. // CHECK:STDOUT: }
    217. 

  217. // CHECK:STDOUT:
    218. 

  218. // CHECK:STDOUT: ; Function Attrs: nounwind
    219. 

  219. // CHECK:STDOUT: define linkonce_odr ptr @_CH.Main.0a952f8bcc623ce6(ptr %x) #0 !dbg !74 {
    220. 

  220. // CHECK:STDOUT: entry:
    221. 

  221. // CHECK:STDOUT:   ret ptr %x, !dbg !75
    222. 

  222. // CHECK:STDOUT: }
    223. 

  223. // CHECK:STDOUT:
    224. 

  224. // CHECK:STDOUT: ; Function Attrs: nounwind
    225. 

  225. // CHECK:STDOUT: define linkonce_odr void @_CH.Main.936d996ea935415c(ptr sret({}) %return, ptr %x) #0 !dbg !76 {
    226. 

  226. // CHECK:STDOUT: entry:
    227. 

  227. // CHECK:STDOUT:   call void @"_COp.C.Main:Copy.Core"(ptr %return, ptr %x), !dbg !77
    228. 

  228. // CHECK:STDOUT:   ret void, !dbg !78
    229. 

  229. // CHECK:STDOUT: }
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: ; uselistorder directives
    232. 

  232. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 21, 20, 19, 18 }
    233. 

  233. // CHECK:STDOUT: uselistorder ptr @_CH.Main.5450dc8e8b8e0899, { 1, 0 }
    234. 

  234. // CHECK:STDOUT: uselistorder ptr @_CH.Main.402deed6b8733082, { 1, 0 }
    235. 

  235. // CHECK:STDOUT: uselistorder ptr @_CH.Main.83aece103b0a8681, { 3, 2, 1, 0 }
    236. 

  236. // CHECK:STDOUT: uselistorder ptr @_CH.Main.0a952f8bcc623ce6, { 5, 2, 0, 4, 3, 1 }
    237. 

  237. // CHECK:STDOUT: uselistorder ptr @_CH.Main.936d996ea935415c, { 1, 0 }
    238. 

  238. // CHECK:STDOUT:
    239. 

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

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

  241. // CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    242. 

  242. // CHECK:STDOUT:
    243. 

  243. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    244. 

  244. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    245. 

  245. // CHECK:STDOUT:
    246. 

  246. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    247. 

  247. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    248. 

  248. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    249. 

  249. // CHECK:STDOUT: !3 = !DIFile(filename: "call_basic.carbon", directory: "")
    250. 

  250. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Op", linkageName: "_COp.C.Main:Copy.Core", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    251. 

  251. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    252. 

  252. // CHECK:STDOUT: !6 = !{}
    253. 

  253. // CHECK:STDOUT: !7 = !DILocation(line: 15, column: 35, scope: !4)
    254. 

  254. // CHECK:STDOUT: !8 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 48, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    255. 

  255. // CHECK:STDOUT: !9 = !DILocation(line: 49, column: 3, scope: !8)
    256. 

  256. // CHECK:STDOUT: !10 = !DILocation(line: 50, column: 3, scope: !8)
    257. 

  257. // CHECK:STDOUT: !11 = !DILocation(line: 51, column: 3, scope: !8)
    258. 

  258. // CHECK:STDOUT: !12 = !DILocation(line: 52, column: 3, scope: !8)
    259. 

  259. // CHECK:STDOUT: !13 = !DILocation(line: 54, column: 5, scope: !8)
    260. 

  260. // CHECK:STDOUT: !14 = !DILocation(line: 54, column: 3, scope: !8)
    261. 

  261. // CHECK:STDOUT: !15 = !DILocation(line: 55, column: 9, scope: !8)
    262. 

  262. // CHECK:STDOUT: !16 = !DILocation(line: 55, column: 7, scope: !8)
    263. 

  263. // CHECK:STDOUT: !17 = !DILocation(line: 55, column: 3, scope: !8)
    264. 

  264. // CHECK:STDOUT: !18 = !DILocation(line: 56, column: 5, scope: !8)
    265. 

  265. // CHECK:STDOUT: !19 = !DILocation(line: 56, column: 3, scope: !8)
    266. 

  266. // CHECK:STDOUT: !20 = !DILocation(line: 57, column: 9, scope: !8)
    267. 

  267. // CHECK:STDOUT: !21 = !DILocation(line: 57, column: 7, scope: !8)
    268. 

  268. // CHECK:STDOUT: !22 = !DILocation(line: 57, column: 3, scope: !8)
    269. 

  269. // CHECK:STDOUT: !23 = !DILocation(line: 48, column: 1, scope: !8)
    270. 

  270. // CHECK:STDOUT: !24 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.b88d1103f417c6d4", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    271. 

  271. // CHECK:STDOUT: !25 = !DILocation(line: 19, column: 1, scope: !24)
    272. 

  272. // CHECK:STDOUT: !26 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.d756e33fa3337243", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    273. 

  273. // CHECK:STDOUT: !27 = !DILocation(line: 29, column: 3, scope: !26)
    274. 

  274. // CHECK:STDOUT: !28 = !DILocation(line: 31, column: 5, scope: !26)
    275. 

  275. // CHECK:STDOUT: !29 = !DILocation(line: 31, column: 3, scope: !26)
    276. 

  276. // CHECK:STDOUT: !30 = !DILocation(line: 34, column: 3, scope: !26)
    277. 

  277. // CHECK:STDOUT: !31 = !DILocation(line: 36, column: 3, scope: !26)
    278. 

  278. // CHECK:STDOUT: !32 = !DILocation(line: 38, column: 3, scope: !26)
    279. 

  279. // CHECK:STDOUT: !33 = !DILocation(line: 40, column: 3, scope: !26)
    280. 

  280. // CHECK:STDOUT: !34 = !DILocation(line: 42, column: 3, scope: !26)
    281. 

  281. // CHECK:STDOUT: !35 = !DILocation(line: 43, column: 3, scope: !26)
    282. 

  282. // CHECK:STDOUT: !36 = !DILocation(line: 30, column: 3, scope: !26)
    283. 

  283. // CHECK:STDOUT: !37 = !DILocation(line: 35, column: 5, scope: !26)
    284. 

  284. // CHECK:STDOUT: !38 = !DILocation(line: 35, column: 3, scope: !26)
    285. 

  285. // CHECK:STDOUT: !39 = !DILocation(line: 37, column: 5, scope: !26)
    286. 

  286. // CHECK:STDOUT: !40 = !DILocation(line: 37, column: 3, scope: !26)
    287. 

  287. // CHECK:STDOUT: !41 = !DILocation(line: 39, column: 5, scope: !26)
    288. 

  288. // CHECK:STDOUT: !42 = !DILocation(line: 39, column: 3, scope: !26)
    289. 

  289. // CHECK:STDOUT: !43 = !DILocation(line: 41, column: 5, scope: !26)
    290. 

  290. // CHECK:STDOUT: !44 = !DILocation(line: 41, column: 3, scope: !26)
    291. 

  291. // CHECK:STDOUT: !45 = !DILocation(line: 45, column: 3, scope: !26)
    292. 

  292. // CHECK:STDOUT: !46 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.d4b5665541d5d7a8", scope: null, file: !3, line: 19, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    293. 

  293. // CHECK:STDOUT: !47 = !DILocation(line: 19, column: 1, scope: !46)
    294. 

  294. // CHECK:STDOUT: !48 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.6765264419ed942e", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    295. 

  295. // CHECK:STDOUT: !49 = !DILocation(line: 29, column: 3, scope: !48)
    296. 

  296. // CHECK:STDOUT: !50 = !DILocation(line: 31, column: 5, scope: !48)
    297. 

  297. // CHECK:STDOUT: !51 = !DILocation(line: 31, column: 3, scope: !48)
    298. 

  298. // CHECK:STDOUT: !52 = !DILocation(line: 34, column: 3, scope: !48)
    299. 

  299. // CHECK:STDOUT: !53 = !DILocation(line: 36, column: 3, scope: !48)
    300. 

  300. // CHECK:STDOUT: !54 = !DILocation(line: 38, column: 3, scope: !48)
    301. 

  301. // CHECK:STDOUT: !55 = !DILocation(line: 40, column: 3, scope: !48)
    302. 

  302. // CHECK:STDOUT: !56 = !DILocation(line: 42, column: 3, scope: !48)
    303. 

  303. // CHECK:STDOUT: !57 = !DILocation(line: 43, column: 3, scope: !48)
    304. 

  304. // CHECK:STDOUT: !58 = !DILocation(line: 30, column: 3, scope: !48)
    305. 

  305. // CHECK:STDOUT: !59 = !DILocation(line: 35, column: 5, scope: !48)
    306. 

  306. // CHECK:STDOUT: !60 = !DILocation(line: 35, column: 3, scope: !48)
    307. 

  307. // CHECK:STDOUT: !61 = !DILocation(line: 37, column: 5, scope: !48)
    308. 

  308. // CHECK:STDOUT: !62 = !DILocation(line: 37, column: 3, scope: !48)
    309. 

  309. // CHECK:STDOUT: !63 = !DILocation(line: 39, column: 5, scope: !48)
    310. 

  310. // CHECK:STDOUT: !64 = !DILocation(line: 39, column: 3, scope: !48)
    311. 

  311. // CHECK:STDOUT: !65 = !DILocation(line: 41, column: 5, scope: !48)
    312. 

  312. // CHECK:STDOUT: !66 = !DILocation(line: 41, column: 3, scope: !48)
    313. 

  313. // CHECK:STDOUT: !67 = !DILocation(line: 45, column: 3, scope: !48)
    314. 

  314. // CHECK:STDOUT: !68 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.5450dc8e8b8e0899", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    315. 

  315. // CHECK:STDOUT: !69 = !DILocation(line: 23, column: 3, scope: !68)
    316. 

  316. // CHECK:STDOUT: !70 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.402deed6b8733082", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    317. 

  317. // CHECK:STDOUT: !71 = !DILocation(line: 23, column: 3, scope: !70)
    318. 

  318. // CHECK:STDOUT: !72 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.83aece103b0a8681", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    319. 

  319. // CHECK:STDOUT: !73 = !DILocation(line: 23, column: 3, scope: !72)
    320. 

  320. // CHECK:STDOUT: !74 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.0a952f8bcc623ce6", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    321. 

  321. // CHECK:STDOUT: !75 = !DILocation(line: 23, column: 3, scope: !74)
    322. 

  322. // CHECK:STDOUT: !76 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.936d996ea935415c", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    323. 

  323. // CHECK:STDOUT: !77 = !DILocation(line: 23, column: 10, scope: !76)
    324. 

  324. // CHECK:STDOUT: !78 = !DILocation(line: 23, column: 3, scope: !76)
    325.