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call_recursive_sccs_deep.carbon

call_recursive_sccs_deep.carbon 35 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/full.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_recursive_sccs_deep.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_recursive_sccs_deep.carbon
    12. 

  12. 

  13. import Core library "io";
    14. 

  14. fn A[T:! Core.Copy](x: T, count: i32) -> T;
    15. 

  15. fn B[T:! Core.Copy](x: T, count: i32);
    16. 

  16. fn C[T:! Core.Copy](x: T, count: i32);
    17. 

  17. fn D[T:! Core.Copy](x: T, count: i32) -> T;
    18. 

  18. fn E[T:! Core.Copy](x: T, count: i32) -> T;
    19. 

  19. fn F[T:! Core.Copy](x: T, count: i32) -> T;
    20. 

  20. 

  21. // Builds on `call_recursive_mutual.carbon` and `call_recursive_diamond.carbon`
    22. 

  22. // B-C form a mutually recursive SCC (strongly connected component), D-E-F-G
    23. 

  23. // form a diamond SCC.
    24. 

  24. // The two specifics for each of A, B, C, D, E, F, G with a pointer type could
    25. 

  25. // be deduplicated.
    26. 

  26. // E and F are also equivalent in the diamond, even though they are different
    27. 

  27. // generics. There is potential front-end ICF (identical code folding)
    28. 

  28. // optimization here, if the function fingerprint may infer deduplication
    29. 

  29. // when not including the two different generic_ids.
    30. 

  30. 

  31. fn A[T:! Core.Copy](x: T, count: i32) -> T {
    32. 

  32.   B(x, count);
    33. 

  33.   return D(x, count);
    34. 

  34. }
    35. 

  35. 

  36. fn B[T:! Core.Copy](x: T, count: i32) {
    37. 

  37.   C(x, count);
    38. 

  38. }
    39. 

  39. 

  40. fn C[T:! Core.Copy](x: T, count: i32) {
    41. 

  41.   if (count <= 2) {
    42. 

  42.     Core.Print(count);
    43. 

  43.     B(x, count + 1);
    44. 

  44.   }
    45. 

  45. }
    46. 

  46. 

  47. fn D[T:! Core.Copy](x: T, count: i32) -> T {
    48. 

  48.   if (count > 4) {
    49. 

  49.     return x;
    50. 

  50.   }
    51. 

  51.   if (count % 2 == 0) {
    52. 

  52.     return E(x, count);
    53. 

  53.   } else {
    54. 

  54.     return F(x, count);
    55. 

  55.   }
    56. 

  56. }
    57. 

  57. 

  58. fn G[T:! Core.Copy](x: T, count: i32) -> T;
    59. 

  59. 

  60. fn E[T:! Core.Copy](x: T, count: i32) -> T {
    61. 

  61.   return G(x, count);
    62. 

  62. }
    63. 

  63. 

  64. fn F[T:! Core.Copy](x: T, count: i32) -> T {
    65. 

  65.   return G(x, count);
    66. 

  66. }
    67. 

  67. 

  68. fn G[T:! Core.Copy](x: T, count: i32) -> T {
    69. 

  69.   return D(x, count + 1);
    70. 

  70. }
    71. 

  71. 

  72. 

  73. fn M() {
    74. 

  74.   var n: i32 = 0;
    75. 

  75.   var m: f64 = 1.0;
    76. 

  76.   var ptr_i32 : i32* = &n;
    77. 

  77.   var ptr_f64 : f64* = &m;
    78. 

  78. 

  79.   A(n, 0);
    80. 

  80.   A(m, 0);
    81. 

  81.   A(ptr_i32, 0);
    82. 

  82.   A(ptr_f64, 0);
    83. 

  83. }
    84. 

  84. 

  85. // CHECK:STDOUT: ; ModuleID = 'call_recursive_sccs_deep.carbon'
    86. 

  86. // CHECK:STDOUT: source_filename = "call_recursive_sccs_deep.carbon"
    87. 

  87. // CHECK:STDOUT:
    88. 

  88. // CHECK:STDOUT: @printf.int.format = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
    89. 

  89. // CHECK:STDOUT:
    90. 

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

  91. // CHECK:STDOUT: define void @_CM.Main() #0 !dbg !4 {
    92. 

  92. // CHECK:STDOUT: entry:
    93. 

  93. // CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !7
    94. 

  94. // CHECK:STDOUT:   %m.var = alloca double, align 8, !dbg !8
    95. 

  95. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !9
    96. 

  96. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !10
    97. 

  97. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !7
    98. 

  98. // CHECK:STDOUT:   store i32 0, ptr %n.var, align 4, !dbg !7
    99. 

  99. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %m.var), !dbg !8
    100. 

  100. // CHECK:STDOUT:   store double 1.000000e+00, ptr %m.var, align 8, !dbg !8
    101. 

  101. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !9
    102. 

  102. // CHECK:STDOUT:   store ptr %n.var, ptr %ptr_i32.var, align 8, !dbg !9
    103. 

  103. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !10
    104. 

  104. // CHECK:STDOUT:   store ptr %m.var, ptr %ptr_f64.var, align 8, !dbg !10
    105. 

  105. // CHECK:STDOUT:   %.loc79_5 = load i32, ptr %n.var, align 4, !dbg !11
    106. 

  106. // CHECK:STDOUT:   %A.call.loc79 = call i32 @_CA.Main.64ccbb8e5d9a0b8e(i32 %.loc79_5, i32 0), !dbg !12
    107. 

  107. // CHECK:STDOUT:   %.loc80_5 = load double, ptr %m.var, align 8, !dbg !13
    108. 

  108. // CHECK:STDOUT:   %A.call.loc80 = call double @_CA.Main.de5b400758c39a65(double %.loc80_5, i32 0), !dbg !14
    109. 

  109. // CHECK:STDOUT:   %.loc81_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !15
    110. 

  110. // CHECK:STDOUT:   %A.call.loc81 = call ptr @_CA.Main.779b9c0f3b54a7f8(ptr %.loc81_5, i32 0), !dbg !16
    111. 

  111. // CHECK:STDOUT:   %.loc82_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !17
    112. 

  112. // CHECK:STDOUT:   %A.call.loc82 = call ptr @_CA.Main.779b9c0f3b54a7f8(ptr %.loc82_5, i32 0), !dbg !18
    113. 

  113. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %m.var), !dbg !8
    114. 

  114. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %n.var), !dbg !7
    115. 

  115. // CHECK:STDOUT:   ret void, !dbg !19
    116. 

  116. // CHECK:STDOUT: }
    117. 

  117. // CHECK:STDOUT:
    118. 

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

  119. // CHECK:STDOUT: define weak_odr void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %self) #0 !dbg !20 {
    120. 

  120. // CHECK:STDOUT: entry:
    121. 

  121. // CHECK:STDOUT:   ret void, !dbg !26
    122. 

  122. // CHECK:STDOUT: }
    123. 

  123. // CHECK:STDOUT:
    124. 

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

  125. // CHECK:STDOUT: define weak_odr void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %self) #0 !dbg !27 {
    126. 

  126. // CHECK:STDOUT: entry:
    127. 

  127. // CHECK:STDOUT:   ret void, !dbg !33
    128. 

  128. // CHECK:STDOUT: }
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    131. 

  131. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    132. 

  132. // CHECK:STDOUT:
    133. 

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

  134. // CHECK:STDOUT: define linkonce_odr i32 @_CA.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !34 {
    135. 

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

  136. // CHECK:STDOUT:   call void @_CB.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !40
    137. 

  137. // CHECK:STDOUT:   %D.call = call i32 @_CD.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !41
    138. 

  138. // CHECK:STDOUT:   ret i32 %D.call, !dbg !42
    139. 

  139. // CHECK:STDOUT: }
    140. 

  140. // CHECK:STDOUT:
    141. 

  141. // CHECK:STDOUT: ; Function Attrs: nounwind
    142. 

  142. // CHECK:STDOUT: define linkonce_odr double @_CA.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !43 {
    143. 

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

  144. // CHECK:STDOUT:   call void @_CB.Main.de5b400758c39a65(double %x, i32 %count), !dbg !49
    145. 

  145. // CHECK:STDOUT:   %D.call = call double @_CD.Main.de5b400758c39a65(double %x, i32 %count), !dbg !50
    146. 

  146. // CHECK:STDOUT:   ret double %D.call, !dbg !51
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: ; Function Attrs: nounwind
    150. 

  150. // CHECK:STDOUT: define linkonce_odr ptr @_CA.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !52 {
    151. 

  151. // CHECK:STDOUT: entry:
    152. 

  152. // CHECK:STDOUT:   call void @_CB.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !56
    153. 

  153. // CHECK:STDOUT:   %D.call = call ptr @_CD.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !57
    154. 

  154. // CHECK:STDOUT:   ret ptr %D.call, !dbg !58
    155. 

  155. // CHECK:STDOUT: }
    156. 

  156. // CHECK:STDOUT:
    157. 

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

  158. // CHECK:STDOUT: define linkonce_odr void @_CB.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !59 {
    159. 

  159. // CHECK:STDOUT: entry:
    160. 

  160. // CHECK:STDOUT:   call void @_CC.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !65
    161. 

  161. // CHECK:STDOUT:   ret void, !dbg !66
    162. 

  162. // CHECK:STDOUT: }
    163. 

  163. // CHECK:STDOUT:
    164. 

  164. // CHECK:STDOUT: ; Function Attrs: nounwind
    165. 

  165. // CHECK:STDOUT: define linkonce_odr i32 @_CD.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !67 {
    166. 

  166. // CHECK:STDOUT: entry:
    167. 

  167. // CHECK:STDOUT:   %Int.as.OrderedWith.impl.Greater.call = icmp sgt i32 %count, 4, !dbg !71
    168. 

  168. // CHECK:STDOUT:   br i1 %Int.as.OrderedWith.impl.Greater.call, label %if.then.loc48, label %if.else.loc48, !dbg !72
    169. 

  169. // CHECK:STDOUT:
    170. 

  170. // CHECK:STDOUT: if.then.loc48:                                    ; preds = %entry
    171. 

  171. // CHECK:STDOUT:   ret i32 %x, !dbg !73
    172. 

  172. // CHECK:STDOUT:
    173. 

  173. // CHECK:STDOUT: if.else.loc48:                                    ; preds = %entry
    174. 

  174. // CHECK:STDOUT:   %Int.as.ModWith.impl.Op.call = srem i32 %count, 2, !dbg !74
    175. 

  175. // CHECK:STDOUT:   %Int.as.EqWith.impl.Equal.call = icmp eq i32 %Int.as.ModWith.impl.Op.call, 0, !dbg !74
    176. 

  176. // CHECK:STDOUT:   br i1 %Int.as.EqWith.impl.Equal.call, label %if.then.loc51, label %if.else.loc51, !dbg !75
    177. 

  177. // CHECK:STDOUT:
    178. 

  178. // CHECK:STDOUT: if.then.loc51:                                    ; preds = %if.else.loc48
    179. 

  179. // CHECK:STDOUT:   %E.call = call i32 @_CE.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !76
    180. 

  180. // CHECK:STDOUT:   ret i32 %E.call, !dbg !77
    181. 

  181. // CHECK:STDOUT:
    182. 

  182. // CHECK:STDOUT: if.else.loc51:                                    ; preds = %if.else.loc48
    183. 

  183. // CHECK:STDOUT:   %F.call = call i32 @_CF.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !78
    184. 

  184. // CHECK:STDOUT:   ret i32 %F.call, !dbg !79
    185. 

  185. // CHECK:STDOUT: }
    186. 

  186. // CHECK:STDOUT:
    187. 

  187. // CHECK:STDOUT: ; Function Attrs: nounwind
    188. 

  188. // CHECK:STDOUT: define linkonce_odr void @_CB.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !80 {
    189. 

  189. // CHECK:STDOUT: entry:
    190. 

  190. // CHECK:STDOUT:   call void @_CC.Main.de5b400758c39a65(double %x, i32 %count), !dbg !86
    191. 

  191. // CHECK:STDOUT:   ret void, !dbg !87
    192. 

  192. // CHECK:STDOUT: }
    193. 

  193. // CHECK:STDOUT:
    194. 

  194. // CHECK:STDOUT: ; Function Attrs: nounwind
    195. 

  195. // CHECK:STDOUT: define linkonce_odr double @_CD.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !88 {
    196. 

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

  197. // CHECK:STDOUT:   %Int.as.OrderedWith.impl.Greater.call = icmp sgt i32 %count, 4, !dbg !92
    198. 

  198. // CHECK:STDOUT:   br i1 %Int.as.OrderedWith.impl.Greater.call, label %if.then.loc48, label %if.else.loc48, !dbg !93
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: if.then.loc48:                                    ; preds = %entry
    201. 

  201. // CHECK:STDOUT:   ret double %x, !dbg !94
    202. 

  202. // CHECK:STDOUT:
    203. 

  203. // CHECK:STDOUT: if.else.loc48:                                    ; preds = %entry
    204. 

  204. // CHECK:STDOUT:   %Int.as.ModWith.impl.Op.call = srem i32 %count, 2, !dbg !95
    205. 

  205. // CHECK:STDOUT:   %Int.as.EqWith.impl.Equal.call = icmp eq i32 %Int.as.ModWith.impl.Op.call, 0, !dbg !95
    206. 

  206. // CHECK:STDOUT:   br i1 %Int.as.EqWith.impl.Equal.call, label %if.then.loc51, label %if.else.loc51, !dbg !96
    207. 

  207. // CHECK:STDOUT:
    208. 

  208. // CHECK:STDOUT: if.then.loc51:                                    ; preds = %if.else.loc48
    209. 

  209. // CHECK:STDOUT:   %E.call = call double @_CE.Main.de5b400758c39a65(double %x, i32 %count), !dbg !97
    210. 

  210. // CHECK:STDOUT:   ret double %E.call, !dbg !98
    211. 

  211. // CHECK:STDOUT:
    212. 

  212. // CHECK:STDOUT: if.else.loc51:                                    ; preds = %if.else.loc48
    213. 

  213. // CHECK:STDOUT:   %F.call = call double @_CF.Main.de5b400758c39a65(double %x, i32 %count), !dbg !99
    214. 

  214. // CHECK:STDOUT:   ret double %F.call, !dbg !100
    215. 

  215. // CHECK:STDOUT: }
    216. 

  216. // CHECK:STDOUT:
    217. 

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

  218. // CHECK:STDOUT: define linkonce_odr void @_CB.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !101 {
    219. 

  219. // CHECK:STDOUT: entry:
    220. 

  220. // CHECK:STDOUT:   call void @_CC.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !105
    221. 

  221. // CHECK:STDOUT:   ret void, !dbg !106
    222. 

  222. // CHECK:STDOUT: }
    223. 

  223. // CHECK:STDOUT:
    224. 

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

  225. // CHECK:STDOUT: define linkonce_odr ptr @_CD.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !107 {
    226. 

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

  227. // CHECK:STDOUT:   %Int.as.OrderedWith.impl.Greater.call = icmp sgt i32 %count, 4, !dbg !111
    228. 

  228. // CHECK:STDOUT:   br i1 %Int.as.OrderedWith.impl.Greater.call, label %if.then.loc48, label %if.else.loc48, !dbg !112
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: if.then.loc48:                                    ; preds = %entry
    231. 

  231. // CHECK:STDOUT:   ret ptr %x, !dbg !113
    232. 

  232. // CHECK:STDOUT:
    233. 

  233. // CHECK:STDOUT: if.else.loc48:                                    ; preds = %entry
    234. 

  234. // CHECK:STDOUT:   %Int.as.ModWith.impl.Op.call = srem i32 %count, 2, !dbg !114
    235. 

  235. // CHECK:STDOUT:   %Int.as.EqWith.impl.Equal.call = icmp eq i32 %Int.as.ModWith.impl.Op.call, 0, !dbg !114
    236. 

  236. // CHECK:STDOUT:   br i1 %Int.as.EqWith.impl.Equal.call, label %if.then.loc51, label %if.else.loc51, !dbg !115
    237. 

  237. // CHECK:STDOUT:
    238. 

  238. // CHECK:STDOUT: if.then.loc51:                                    ; preds = %if.else.loc48
    239. 

  239. // CHECK:STDOUT:   %E.call = call ptr @_CE.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !116
    240. 

  240. // CHECK:STDOUT:   ret ptr %E.call, !dbg !117
    241. 

  241. // CHECK:STDOUT:
    242. 

  242. // CHECK:STDOUT: if.else.loc51:                                    ; preds = %if.else.loc48
    243. 

  243. // CHECK:STDOUT:   %F.call = call ptr @_CF.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !118
    244. 

  244. // CHECK:STDOUT:   ret ptr %F.call, !dbg !119
    245. 

  245. // CHECK:STDOUT: }
    246. 

  246. // CHECK:STDOUT:
    247. 

  247. // CHECK:STDOUT: ; Function Attrs: nounwind
    248. 

  248. // CHECK:STDOUT: define linkonce_odr void @_CC.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !120 {
    249. 

  249. // CHECK:STDOUT: entry:
    250. 

  250. // CHECK:STDOUT:   %Int.as.OrderedWith.impl.LessOrEquivalent.call = icmp sle i32 %count, 2, !dbg !124
    251. 

  251. // CHECK:STDOUT:   br i1 %Int.as.OrderedWith.impl.LessOrEquivalent.call, label %if.then, label %if.else, !dbg !125
    252. 

  252. // CHECK:STDOUT:
    253. 

  253. // CHECK:STDOUT: if.then:                                          ; preds = %entry
    254. 

  254. // CHECK:STDOUT:   %Print.call = call i32 (ptr, ...) @printf(ptr @printf.int.format, i32 %count), !dbg !126
    255. 

  255. // CHECK:STDOUT:   %Int.as.AddWith.impl.Op.call = add i32 %count, 1, !dbg !127
    256. 

  256. // CHECK:STDOUT:   call void @_CB.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %Int.as.AddWith.impl.Op.call), !dbg !128
    257. 

  257. // CHECK:STDOUT:   br label %if.else, !dbg !129
    258. 

  258. // CHECK:STDOUT:
    259. 

  259. // CHECK:STDOUT: if.else:                                          ; preds = %if.then, %entry
    260. 

  260. // CHECK:STDOUT:   ret void, !dbg !130
    261. 

  261. // CHECK:STDOUT: }
    262. 

  262. // CHECK:STDOUT:
    263. 

  263. // CHECK:STDOUT: ; Function Attrs: nounwind
    264. 

  264. // CHECK:STDOUT: define linkonce_odr i32 @_CE.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !131 {
    265. 

  265. // CHECK:STDOUT: entry:
    266. 

  266. // CHECK:STDOUT:   %G.call = call i32 @_CG.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !135
    267. 

  267. // CHECK:STDOUT:   ret i32 %G.call, !dbg !136
    268. 

  268. // CHECK:STDOUT: }
    269. 

  269. // CHECK:STDOUT:
    270. 

  270. // CHECK:STDOUT: ; Function Attrs: nounwind
    271. 

  271. // CHECK:STDOUT: define linkonce_odr i32 @_CF.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !137 {
    272. 

  272. // CHECK:STDOUT: entry:
    273. 

  273. // CHECK:STDOUT:   %G.call = call i32 @_CG.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count), !dbg !141
    274. 

  274. // CHECK:STDOUT:   ret i32 %G.call, !dbg !142
    275. 

  275. // CHECK:STDOUT: }
    276. 

  276. // CHECK:STDOUT:
    277. 

  277. // CHECK:STDOUT: ; Function Attrs: nounwind
    278. 

  278. // CHECK:STDOUT: define linkonce_odr void @_CC.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !143 {
    279. 

  279. // CHECK:STDOUT: entry:
    280. 

  280. // CHECK:STDOUT:   %Int.as.OrderedWith.impl.LessOrEquivalent.call = icmp sle i32 %count, 2, !dbg !147
    281. 

  281. // CHECK:STDOUT:   br i1 %Int.as.OrderedWith.impl.LessOrEquivalent.call, label %if.then, label %if.else, !dbg !148
    282. 

  282. // CHECK:STDOUT:
    283. 

  283. // CHECK:STDOUT: if.then:                                          ; preds = %entry
    284. 

  284. // CHECK:STDOUT:   %Print.call = call i32 (ptr, ...) @printf(ptr @printf.int.format, i32 %count), !dbg !149
    285. 

  285. // CHECK:STDOUT:   %Int.as.AddWith.impl.Op.call = add i32 %count, 1, !dbg !150
    286. 

  286. // CHECK:STDOUT:   call void @_CB.Main.de5b400758c39a65(double %x, i32 %Int.as.AddWith.impl.Op.call), !dbg !151
    287. 

  287. // CHECK:STDOUT:   br label %if.else, !dbg !152
    288. 

  288. // CHECK:STDOUT:
    289. 

  289. // CHECK:STDOUT: if.else:                                          ; preds = %if.then, %entry
    290. 

  290. // CHECK:STDOUT:   ret void, !dbg !153
    291. 

  291. // CHECK:STDOUT: }
    292. 

  292. // CHECK:STDOUT:
    293. 

  293. // CHECK:STDOUT: ; Function Attrs: nounwind
    294. 

  294. // CHECK:STDOUT: define linkonce_odr double @_CE.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !154 {
    295. 

  295. // CHECK:STDOUT: entry:
    296. 

  296. // CHECK:STDOUT:   %G.call = call double @_CG.Main.de5b400758c39a65(double %x, i32 %count), !dbg !158
    297. 

  297. // CHECK:STDOUT:   ret double %G.call, !dbg !159
    298. 

  298. // CHECK:STDOUT: }
    299. 

  299. // CHECK:STDOUT:
    300. 

  300. // CHECK:STDOUT: ; Function Attrs: nounwind
    301. 

  301. // CHECK:STDOUT: define linkonce_odr double @_CF.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !160 {
    302. 

  302. // CHECK:STDOUT: entry:
    303. 

  303. // CHECK:STDOUT:   %G.call = call double @_CG.Main.de5b400758c39a65(double %x, i32 %count), !dbg !164
    304. 

  304. // CHECK:STDOUT:   ret double %G.call, !dbg !165
    305. 

  305. // CHECK:STDOUT: }
    306. 

  306. // CHECK:STDOUT:
    307. 

  307. // CHECK:STDOUT: ; Function Attrs: nounwind
    308. 

  308. // CHECK:STDOUT: define linkonce_odr void @_CC.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !166 {
    309. 

  309. // CHECK:STDOUT: entry:
    310. 

  310. // CHECK:STDOUT:   %Int.as.OrderedWith.impl.LessOrEquivalent.call = icmp sle i32 %count, 2, !dbg !170
    311. 

  311. // CHECK:STDOUT:   br i1 %Int.as.OrderedWith.impl.LessOrEquivalent.call, label %if.then, label %if.else, !dbg !171
    312. 

  312. // CHECK:STDOUT:
    313. 

  313. // CHECK:STDOUT: if.then:                                          ; preds = %entry
    314. 

  314. // CHECK:STDOUT:   %Print.call = call i32 (ptr, ...) @printf(ptr @printf.int.format, i32 %count), !dbg !172
    315. 

  315. // CHECK:STDOUT:   %Int.as.AddWith.impl.Op.call = add i32 %count, 1, !dbg !173
    316. 

  316. // CHECK:STDOUT:   call void @_CB.Main.779b9c0f3b54a7f8(ptr %x, i32 %Int.as.AddWith.impl.Op.call), !dbg !174
    317. 

  317. // CHECK:STDOUT:   br label %if.else, !dbg !175
    318. 

  318. // CHECK:STDOUT:
    319. 

  319. // CHECK:STDOUT: if.else:                                          ; preds = %if.then, %entry
    320. 

  320. // CHECK:STDOUT:   ret void, !dbg !176
    321. 

  321. // CHECK:STDOUT: }
    322. 

  322. // CHECK:STDOUT:
    323. 

  323. // CHECK:STDOUT: ; Function Attrs: nounwind
    324. 

  324. // CHECK:STDOUT: define linkonce_odr ptr @_CE.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !177 {
    325. 

  325. // CHECK:STDOUT: entry:
    326. 

  326. // CHECK:STDOUT:   %G.call = call ptr @_CG.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !181
    327. 

  327. // CHECK:STDOUT:   ret ptr %G.call, !dbg !182
    328. 

  328. // CHECK:STDOUT: }
    329. 

  329. // CHECK:STDOUT:
    330. 

  330. // CHECK:STDOUT: ; Function Attrs: nounwind
    331. 

  331. // CHECK:STDOUT: define linkonce_odr ptr @_CF.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !183 {
    332. 

  332. // CHECK:STDOUT: entry:
    333. 

  333. // CHECK:STDOUT:   %G.call = call ptr @_CG.Main.779b9c0f3b54a7f8(ptr %x, i32 %count), !dbg !187
    334. 

  334. // CHECK:STDOUT:   ret ptr %G.call, !dbg !188
    335. 

  335. // CHECK:STDOUT: }
    336. 

  336. // CHECK:STDOUT:
    337. 

  337. // CHECK:STDOUT: declare i32 @printf(ptr, ...)
    338. 

  338. // CHECK:STDOUT:
    339. 

  339. // CHECK:STDOUT: ; Function Attrs: nounwind
    340. 

  340. // CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %count) #0 !dbg !189 {
    341. 

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

  342. // CHECK:STDOUT:   %Int.as.AddWith.impl.Op.call = add i32 %count, 1, !dbg !193
    343. 

  343. // CHECK:STDOUT:   %D.call = call i32 @_CD.Main.64ccbb8e5d9a0b8e(i32 %x, i32 %Int.as.AddWith.impl.Op.call), !dbg !194
    344. 

  344. // CHECK:STDOUT:   ret i32 %D.call, !dbg !195
    345. 

  345. // CHECK:STDOUT: }
    346. 

  346. // CHECK:STDOUT:
    347. 

  347. // CHECK:STDOUT: ; Function Attrs: nounwind
    348. 

  348. // CHECK:STDOUT: define linkonce_odr double @_CG.Main.de5b400758c39a65(double %x, i32 %count) #0 !dbg !196 {
    349. 

  349. // CHECK:STDOUT: entry:
    350. 

  350. // CHECK:STDOUT:   %Int.as.AddWith.impl.Op.call = add i32 %count, 1, !dbg !200
    351. 

  351. // CHECK:STDOUT:   %D.call = call double @_CD.Main.de5b400758c39a65(double %x, i32 %Int.as.AddWith.impl.Op.call), !dbg !201
    352. 

  352. // CHECK:STDOUT:   ret double %D.call, !dbg !202
    353. 

  353. // CHECK:STDOUT: }
    354. 

  354. // CHECK:STDOUT:
    355. 

  355. // CHECK:STDOUT: ; Function Attrs: nounwind
    356. 

  356. // CHECK:STDOUT: define linkonce_odr ptr @_CG.Main.779b9c0f3b54a7f8(ptr %x, i32 %count) #0 !dbg !203 {
    357. 

  357. // CHECK:STDOUT: entry:
    358. 

  358. // CHECK:STDOUT:   %Int.as.AddWith.impl.Op.call = add i32 %count, 1, !dbg !207
    359. 

  359. // CHECK:STDOUT:   %D.call = call ptr @_CD.Main.779b9c0f3b54a7f8(ptr %x, i32 %Int.as.AddWith.impl.Op.call), !dbg !208
    360. 

  360. // CHECK:STDOUT:   ret ptr %D.call, !dbg !209
    361. 

  361. // CHECK:STDOUT: }
    362. 

  362. // CHECK:STDOUT:
    363. 

  363. // CHECK:STDOUT: ; uselistorder directives
    364. 

  364. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
    365. 

  365. // CHECK:STDOUT: uselistorder ptr @_CA.Main.779b9c0f3b54a7f8, { 1, 0 }
    366. 

  366. // CHECK:STDOUT: uselistorder ptr @printf, { 2, 1, 0 }
    367. 

  367. // CHECK:STDOUT: uselistorder ptr @_CG.Main.64ccbb8e5d9a0b8e, { 1, 0 }
    368. 

  368. // CHECK:STDOUT: uselistorder ptr @_CG.Main.de5b400758c39a65, { 1, 0 }
    369. 

  369. // CHECK:STDOUT: uselistorder ptr @_CG.Main.779b9c0f3b54a7f8, { 1, 0 }
    370. 

  370. // CHECK:STDOUT:
    371. 

  371. // CHECK:STDOUT: attributes #0 = { nounwind }
    372. 

  372. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    373. 

  373. // CHECK:STDOUT:
    374. 

  374. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    375. 

  375. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    376. 

  376. // CHECK:STDOUT:
    377. 

  377. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    378. 

  378. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    379. 

  379. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    380. 

  380. // CHECK:STDOUT: !3 = !DIFile(filename: "call_recursive_sccs_deep.carbon", directory: "")
    381. 

  381. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 73, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    382. 

  382. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    383. 

  383. // CHECK:STDOUT: !6 = !{null}
    384. 

  384. // CHECK:STDOUT: !7 = !DILocation(line: 74, column: 3, scope: !4)
    385. 

  385. // CHECK:STDOUT: !8 = !DILocation(line: 75, column: 3, scope: !4)
    386. 

  386. // CHECK:STDOUT: !9 = !DILocation(line: 76, column: 3, scope: !4)
    387. 

  387. // CHECK:STDOUT: !10 = !DILocation(line: 77, column: 3, scope: !4)
    388. 

  388. // CHECK:STDOUT: !11 = !DILocation(line: 79, column: 5, scope: !4)
    389. 

  389. // CHECK:STDOUT: !12 = !DILocation(line: 79, column: 3, scope: !4)
    390. 

  390. // CHECK:STDOUT: !13 = !DILocation(line: 80, column: 5, scope: !4)
    391. 

  391. // CHECK:STDOUT: !14 = !DILocation(line: 80, column: 3, scope: !4)
    392. 

  392. // CHECK:STDOUT: !15 = !DILocation(line: 81, column: 5, scope: !4)
    393. 

  393. // CHECK:STDOUT: !16 = !DILocation(line: 81, column: 3, scope: !4)
    394. 

  394. // CHECK:STDOUT: !17 = !DILocation(line: 82, column: 5, scope: !4)
    395. 

  395. // CHECK:STDOUT: !18 = !DILocation(line: 82, column: 3, scope: !4)
    396. 

  396. // CHECK:STDOUT: !19 = !DILocation(line: 73, column: 1, scope: !4)
    397. 

  397. // CHECK:STDOUT: !20 = distinct !DISubprogram(name: "Op", linkageName: "_COp.98006a366c2ffd6c:core.Destroy.Core", scope: null, file: !3, line: 75, type: !21, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !24)
    398. 

  398. // CHECK:STDOUT: !21 = !DISubroutineType(types: !22)
    399. 

  399. // CHECK:STDOUT: !22 = !{null, !23}
    400. 

  400. // CHECK:STDOUT: !23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
    401. 

  401. // CHECK:STDOUT: !24 = !{!25}
    402. 

  402. // CHECK:STDOUT: !25 = !DILocalVariable(arg: 1, scope: !20, type: !23)
    403. 

  403. // CHECK:STDOUT: !26 = !DILocation(line: 75, column: 3, scope: !20)
    404. 

  404. // CHECK:STDOUT: !27 = distinct !DISubprogram(name: "Op", linkageName: "_COp.7e389eab4a7e5487:core.Destroy.Core", scope: null, file: !3, line: 74, type: !28, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !31)
    405. 

  405. // CHECK:STDOUT: !28 = !DISubroutineType(types: !29)
    406. 

  406. // CHECK:STDOUT: !29 = !{null, !30}
    407. 

  407. // CHECK:STDOUT: !30 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
    408. 

  408. // CHECK:STDOUT: !31 = !{!32}
    409. 

  409. // CHECK:STDOUT: !32 = !DILocalVariable(arg: 1, scope: !27, type: !30)
    410. 

  410. // CHECK:STDOUT: !33 = !DILocation(line: 74, column: 3, scope: !27)
    411. 

  411. // CHECK:STDOUT: !34 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 31, type: !35, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !37)
    412. 

  412. // CHECK:STDOUT: !35 = !DISubroutineType(types: !36)
    413. 

  413. // CHECK:STDOUT: !36 = !{!30, !30, !30}
    414. 

  414. // CHECK:STDOUT: !37 = !{!38, !39}
    415. 

  415. // CHECK:STDOUT: !38 = !DILocalVariable(arg: 1, scope: !34, type: !30)
    416. 

  416. // CHECK:STDOUT: !39 = !DILocalVariable(arg: 2, scope: !34, type: !30)
    417. 

  417. // CHECK:STDOUT: !40 = !DILocation(line: 32, column: 3, scope: !34)
    418. 

  418. // CHECK:STDOUT: !41 = !DILocation(line: 33, column: 10, scope: !34)
    419. 

  419. // CHECK:STDOUT: !42 = !DILocation(line: 33, column: 3, scope: !34)
    420. 

  420. // CHECK:STDOUT: !43 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main.de5b400758c39a65", scope: null, file: !3, line: 31, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !46)
    421. 

  421. // CHECK:STDOUT: !44 = !DISubroutineType(types: !45)
    422. 

  422. // CHECK:STDOUT: !45 = !{!23, !23, !30}
    423. 

  423. // CHECK:STDOUT: !46 = !{!47, !48}
    424. 

  424. // CHECK:STDOUT: !47 = !DILocalVariable(arg: 1, scope: !43, type: !23)
    425. 

  425. // CHECK:STDOUT: !48 = !DILocalVariable(arg: 2, scope: !43, type: !30)
    426. 

  426. // CHECK:STDOUT: !49 = !DILocation(line: 32, column: 3, scope: !43)
    427. 

  427. // CHECK:STDOUT: !50 = !DILocation(line: 33, column: 10, scope: !43)
    428. 

  428. // CHECK:STDOUT: !51 = !DILocation(line: 33, column: 3, scope: !43)
    429. 

  429. // CHECK:STDOUT: !52 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 31, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !53)
    430. 

  430. // CHECK:STDOUT: !53 = !{!54, !55}
    431. 

  431. // CHECK:STDOUT: !54 = !DILocalVariable(arg: 1, scope: !52, type: !23)
    432. 

  432. // CHECK:STDOUT: !55 = !DILocalVariable(arg: 2, scope: !52, type: !30)
    433. 

  433. // CHECK:STDOUT: !56 = !DILocation(line: 32, column: 3, scope: !52)
    434. 

  434. // CHECK:STDOUT: !57 = !DILocation(line: 33, column: 10, scope: !52)
    435. 

  435. // CHECK:STDOUT: !58 = !DILocation(line: 33, column: 3, scope: !52)
    436. 

  436. // CHECK:STDOUT: !59 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 36, type: !60, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !62)
    437. 

  437. // CHECK:STDOUT: !60 = !DISubroutineType(types: !61)
    438. 

  438. // CHECK:STDOUT: !61 = !{null, !30, !30}
    439. 

  439. // CHECK:STDOUT: !62 = !{!63, !64}
    440. 

  440. // CHECK:STDOUT: !63 = !DILocalVariable(arg: 1, scope: !59, type: !30)
    441. 

  441. // CHECK:STDOUT: !64 = !DILocalVariable(arg: 2, scope: !59, type: !30)
    442. 

  442. // CHECK:STDOUT: !65 = !DILocation(line: 37, column: 3, scope: !59)
    443. 

  443. // CHECK:STDOUT: !66 = !DILocation(line: 36, column: 1, scope: !59)
    444. 

  444. // CHECK:STDOUT: !67 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 47, type: !35, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !68)
    445. 

  445. // CHECK:STDOUT: !68 = !{!69, !70}
    446. 

  446. // CHECK:STDOUT: !69 = !DILocalVariable(arg: 1, scope: !67, type: !30)
    447. 

  447. // CHECK:STDOUT: !70 = !DILocalVariable(arg: 2, scope: !67, type: !30)
    448. 

  448. // CHECK:STDOUT: !71 = !DILocation(line: 48, column: 7, scope: !67)
    449. 

  449. // CHECK:STDOUT: !72 = !DILocation(line: 48, column: 6, scope: !67)
    450. 

  450. // CHECK:STDOUT: !73 = !DILocation(line: 49, column: 5, scope: !67)
    451. 

  451. // CHECK:STDOUT: !74 = !DILocation(line: 51, column: 7, scope: !67)
    452. 

  452. // CHECK:STDOUT: !75 = !DILocation(line: 51, column: 6, scope: !67)
    453. 

  453. // CHECK:STDOUT: !76 = !DILocation(line: 52, column: 12, scope: !67)
    454. 

  454. // CHECK:STDOUT: !77 = !DILocation(line: 52, column: 5, scope: !67)
    455. 

  455. // CHECK:STDOUT: !78 = !DILocation(line: 54, column: 12, scope: !67)
    456. 

  456. // CHECK:STDOUT: !79 = !DILocation(line: 54, column: 5, scope: !67)
    457. 

  457. // CHECK:STDOUT: !80 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.de5b400758c39a65", scope: null, file: !3, line: 36, type: !81, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !83)
    458. 

  458. // CHECK:STDOUT: !81 = !DISubroutineType(types: !82)
    459. 

  459. // CHECK:STDOUT: !82 = !{null, !23, !30}
    460. 

  460. // CHECK:STDOUT: !83 = !{!84, !85}
    461. 

  461. // CHECK:STDOUT: !84 = !DILocalVariable(arg: 1, scope: !80, type: !23)
    462. 

  462. // CHECK:STDOUT: !85 = !DILocalVariable(arg: 2, scope: !80, type: !30)
    463. 

  463. // CHECK:STDOUT: !86 = !DILocation(line: 37, column: 3, scope: !80)
    464. 

  464. // CHECK:STDOUT: !87 = !DILocation(line: 36, column: 1, scope: !80)
    465. 

  465. // CHECK:STDOUT: !88 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.de5b400758c39a65", scope: null, file: !3, line: 47, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !89)
    466. 

  466. // CHECK:STDOUT: !89 = !{!90, !91}
    467. 

  467. // CHECK:STDOUT: !90 = !DILocalVariable(arg: 1, scope: !88, type: !23)
    468. 

  468. // CHECK:STDOUT: !91 = !DILocalVariable(arg: 2, scope: !88, type: !30)
    469. 

  469. // CHECK:STDOUT: !92 = !DILocation(line: 48, column: 7, scope: !88)
    470. 

  470. // CHECK:STDOUT: !93 = !DILocation(line: 48, column: 6, scope: !88)
    471. 

  471. // CHECK:STDOUT: !94 = !DILocation(line: 49, column: 5, scope: !88)
    472. 

  472. // CHECK:STDOUT: !95 = !DILocation(line: 51, column: 7, scope: !88)
    473. 

  473. // CHECK:STDOUT: !96 = !DILocation(line: 51, column: 6, scope: !88)
    474. 

  474. // CHECK:STDOUT: !97 = !DILocation(line: 52, column: 12, scope: !88)
    475. 

  475. // CHECK:STDOUT: !98 = !DILocation(line: 52, column: 5, scope: !88)
    476. 

  476. // CHECK:STDOUT: !99 = !DILocation(line: 54, column: 12, scope: !88)
    477. 

  477. // CHECK:STDOUT: !100 = !DILocation(line: 54, column: 5, scope: !88)
    478. 

  478. // CHECK:STDOUT: !101 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 36, type: !81, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !102)
    479. 

  479. // CHECK:STDOUT: !102 = !{!103, !104}
    480. 

  480. // CHECK:STDOUT: !103 = !DILocalVariable(arg: 1, scope: !101, type: !23)
    481. 

  481. // CHECK:STDOUT: !104 = !DILocalVariable(arg: 2, scope: !101, type: !30)
    482. 

  482. // CHECK:STDOUT: !105 = !DILocation(line: 37, column: 3, scope: !101)
    483. 

  483. // CHECK:STDOUT: !106 = !DILocation(line: 36, column: 1, scope: !101)
    484. 

  484. // CHECK:STDOUT: !107 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 47, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !108)
    485. 

  485. // CHECK:STDOUT: !108 = !{!109, !110}
    486. 

  486. // CHECK:STDOUT: !109 = !DILocalVariable(arg: 1, scope: !107, type: !23)
    487. 

  487. // CHECK:STDOUT: !110 = !DILocalVariable(arg: 2, scope: !107, type: !30)
    488. 

  488. // CHECK:STDOUT: !111 = !DILocation(line: 48, column: 7, scope: !107)
    489. 

  489. // CHECK:STDOUT: !112 = !DILocation(line: 48, column: 6, scope: !107)
    490. 

  490. // CHECK:STDOUT: !113 = !DILocation(line: 49, column: 5, scope: !107)
    491. 

  491. // CHECK:STDOUT: !114 = !DILocation(line: 51, column: 7, scope: !107)
    492. 

  492. // CHECK:STDOUT: !115 = !DILocation(line: 51, column: 6, scope: !107)
    493. 

  493. // CHECK:STDOUT: !116 = !DILocation(line: 52, column: 12, scope: !107)
    494. 

  494. // CHECK:STDOUT: !117 = !DILocation(line: 52, column: 5, scope: !107)
    495. 

  495. // CHECK:STDOUT: !118 = !DILocation(line: 54, column: 12, scope: !107)
    496. 

  496. // CHECK:STDOUT: !119 = !DILocation(line: 54, column: 5, scope: !107)
    497. 

  497. // CHECK:STDOUT: !120 = distinct !DISubprogram(name: "C", linkageName: "_CC.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 40, type: !60, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !121)
    498. 

  498. // CHECK:STDOUT: !121 = !{!122, !123}
    499. 

  499. // CHECK:STDOUT: !122 = !DILocalVariable(arg: 1, scope: !120, type: !30)
    500. 

  500. // CHECK:STDOUT: !123 = !DILocalVariable(arg: 2, scope: !120, type: !30)
    501. 

  501. // CHECK:STDOUT: !124 = !DILocation(line: 41, column: 7, scope: !120)
    502. 

  502. // CHECK:STDOUT: !125 = !DILocation(line: 41, column: 6, scope: !120)
    503. 

  503. // CHECK:STDOUT: !126 = !DILocation(line: 42, column: 5, scope: !120)
    504. 

  504. // CHECK:STDOUT: !127 = !DILocation(line: 43, column: 10, scope: !120)
    505. 

  505. // CHECK:STDOUT: !128 = !DILocation(line: 43, column: 5, scope: !120)
    506. 

  506. // CHECK:STDOUT: !129 = !DILocation(line: 41, column: 3, scope: !120)
    507. 

  507. // CHECK:STDOUT: !130 = !DILocation(line: 40, column: 1, scope: !120)
    508. 

  508. // CHECK:STDOUT: !131 = distinct !DISubprogram(name: "E", linkageName: "_CE.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 60, type: !35, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !132)
    509. 

  509. // CHECK:STDOUT: !132 = !{!133, !134}
    510. 

  510. // CHECK:STDOUT: !133 = !DILocalVariable(arg: 1, scope: !131, type: !30)
    511. 

  511. // CHECK:STDOUT: !134 = !DILocalVariable(arg: 2, scope: !131, type: !30)
    512. 

  512. // CHECK:STDOUT: !135 = !DILocation(line: 61, column: 10, scope: !131)
    513. 

  513. // CHECK:STDOUT: !136 = !DILocation(line: 61, column: 3, scope: !131)
    514. 

  514. // CHECK:STDOUT: !137 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 64, type: !35, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !138)
    515. 

  515. // CHECK:STDOUT: !138 = !{!139, !140}
    516. 

  516. // CHECK:STDOUT: !139 = !DILocalVariable(arg: 1, scope: !137, type: !30)
    517. 

  517. // CHECK:STDOUT: !140 = !DILocalVariable(arg: 2, scope: !137, type: !30)
    518. 

  518. // CHECK:STDOUT: !141 = !DILocation(line: 65, column: 10, scope: !137)
    519. 

  519. // CHECK:STDOUT: !142 = !DILocation(line: 65, column: 3, scope: !137)
    520. 

  520. // CHECK:STDOUT: !143 = distinct !DISubprogram(name: "C", linkageName: "_CC.Main.de5b400758c39a65", scope: null, file: !3, line: 40, type: !81, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !144)
    521. 

  521. // CHECK:STDOUT: !144 = !{!145, !146}
    522. 

  522. // CHECK:STDOUT: !145 = !DILocalVariable(arg: 1, scope: !143, type: !23)
    523. 

  523. // CHECK:STDOUT: !146 = !DILocalVariable(arg: 2, scope: !143, type: !30)
    524. 

  524. // CHECK:STDOUT: !147 = !DILocation(line: 41, column: 7, scope: !143)
    525. 

  525. // CHECK:STDOUT: !148 = !DILocation(line: 41, column: 6, scope: !143)
    526. 

  526. // CHECK:STDOUT: !149 = !DILocation(line: 42, column: 5, scope: !143)
    527. 

  527. // CHECK:STDOUT: !150 = !DILocation(line: 43, column: 10, scope: !143)
    528. 

  528. // CHECK:STDOUT: !151 = !DILocation(line: 43, column: 5, scope: !143)
    529. 

  529. // CHECK:STDOUT: !152 = !DILocation(line: 41, column: 3, scope: !143)
    530. 

  530. // CHECK:STDOUT: !153 = !DILocation(line: 40, column: 1, scope: !143)
    531. 

  531. // CHECK:STDOUT: !154 = distinct !DISubprogram(name: "E", linkageName: "_CE.Main.de5b400758c39a65", scope: null, file: !3, line: 60, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !155)
    532. 

  532. // CHECK:STDOUT: !155 = !{!156, !157}
    533. 

  533. // CHECK:STDOUT: !156 = !DILocalVariable(arg: 1, scope: !154, type: !23)
    534. 

  534. // CHECK:STDOUT: !157 = !DILocalVariable(arg: 2, scope: !154, type: !30)
    535. 

  535. // CHECK:STDOUT: !158 = !DILocation(line: 61, column: 10, scope: !154)
    536. 

  536. // CHECK:STDOUT: !159 = !DILocation(line: 61, column: 3, scope: !154)
    537. 

  537. // CHECK:STDOUT: !160 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.de5b400758c39a65", scope: null, file: !3, line: 64, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !161)
    538. 

  538. // CHECK:STDOUT: !161 = !{!162, !163}
    539. 

  539. // CHECK:STDOUT: !162 = !DILocalVariable(arg: 1, scope: !160, type: !23)
    540. 

  540. // CHECK:STDOUT: !163 = !DILocalVariable(arg: 2, scope: !160, type: !30)
    541. 

  541. // CHECK:STDOUT: !164 = !DILocation(line: 65, column: 10, scope: !160)
    542. 

  542. // CHECK:STDOUT: !165 = !DILocation(line: 65, column: 3, scope: !160)
    543. 

  543. // CHECK:STDOUT: !166 = distinct !DISubprogram(name: "C", linkageName: "_CC.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 40, type: !81, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !167)
    544. 

  544. // CHECK:STDOUT: !167 = !{!168, !169}
    545. 

  545. // CHECK:STDOUT: !168 = !DILocalVariable(arg: 1, scope: !166, type: !23)
    546. 

  546. // CHECK:STDOUT: !169 = !DILocalVariable(arg: 2, scope: !166, type: !30)
    547. 

  547. // CHECK:STDOUT: !170 = !DILocation(line: 41, column: 7, scope: !166)
    548. 

  548. // CHECK:STDOUT: !171 = !DILocation(line: 41, column: 6, scope: !166)
    549. 

  549. // CHECK:STDOUT: !172 = !DILocation(line: 42, column: 5, scope: !166)
    550. 

  550. // CHECK:STDOUT: !173 = !DILocation(line: 43, column: 10, scope: !166)
    551. 

  551. // CHECK:STDOUT: !174 = !DILocation(line: 43, column: 5, scope: !166)
    552. 

  552. // CHECK:STDOUT: !175 = !DILocation(line: 41, column: 3, scope: !166)
    553. 

  553. // CHECK:STDOUT: !176 = !DILocation(line: 40, column: 1, scope: !166)
    554. 

  554. // CHECK:STDOUT: !177 = distinct !DISubprogram(name: "E", linkageName: "_CE.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 60, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !178)
    555. 

  555. // CHECK:STDOUT: !178 = !{!179, !180}
    556. 

  556. // CHECK:STDOUT: !179 = !DILocalVariable(arg: 1, scope: !177, type: !23)
    557. 

  557. // CHECK:STDOUT: !180 = !DILocalVariable(arg: 2, scope: !177, type: !30)
    558. 

  558. // CHECK:STDOUT: !181 = !DILocation(line: 61, column: 10, scope: !177)
    559. 

  559. // CHECK:STDOUT: !182 = !DILocation(line: 61, column: 3, scope: !177)
    560. 

  560. // CHECK:STDOUT: !183 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 64, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !184)
    561. 

  561. // CHECK:STDOUT: !184 = !{!185, !186}
    562. 

  562. // CHECK:STDOUT: !185 = !DILocalVariable(arg: 1, scope: !183, type: !23)
    563. 

  563. // CHECK:STDOUT: !186 = !DILocalVariable(arg: 2, scope: !183, type: !30)
    564. 

  564. // CHECK:STDOUT: !187 = !DILocation(line: 65, column: 10, scope: !183)
    565. 

  565. // CHECK:STDOUT: !188 = !DILocation(line: 65, column: 3, scope: !183)
    566. 

  566. // CHECK:STDOUT: !189 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 68, type: !35, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !190)
    567. 

  567. // CHECK:STDOUT: !190 = !{!191, !192}
    568. 

  568. // CHECK:STDOUT: !191 = !DILocalVariable(arg: 1, scope: !189, type: !30)
    569. 

  569. // CHECK:STDOUT: !192 = !DILocalVariable(arg: 2, scope: !189, type: !30)
    570. 

  570. // CHECK:STDOUT: !193 = !DILocation(line: 69, column: 15, scope: !189)
    571. 

  571. // CHECK:STDOUT: !194 = !DILocation(line: 69, column: 10, scope: !189)
    572. 

  572. // CHECK:STDOUT: !195 = !DILocation(line: 69, column: 3, scope: !189)
    573. 

  573. // CHECK:STDOUT: !196 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.de5b400758c39a65", scope: null, file: !3, line: 68, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !197)
    574. 

  574. // CHECK:STDOUT: !197 = !{!198, !199}
    575. 

  575. // CHECK:STDOUT: !198 = !DILocalVariable(arg: 1, scope: !196, type: !23)
    576. 

  576. // CHECK:STDOUT: !199 = !DILocalVariable(arg: 2, scope: !196, type: !30)
    577. 

  577. // CHECK:STDOUT: !200 = !DILocation(line: 69, column: 15, scope: !196)
    578. 

  578. // CHECK:STDOUT: !201 = !DILocation(line: 69, column: 10, scope: !196)
    579. 

  579. // CHECK:STDOUT: !202 = !DILocation(line: 69, column: 3, scope: !196)
    580. 

  580. // CHECK:STDOUT: !203 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 68, type: !44, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !204)
    581. 

  581. // CHECK:STDOUT: !204 = !{!205, !206}
    582. 

  582. // CHECK:STDOUT: !205 = !DILocalVariable(arg: 1, scope: !203, type: !23)
    583. 

  583. // CHECK:STDOUT: !206 = !DILocalVariable(arg: 2, scope: !203, type: !30)
    584. 

  584. // CHECK:STDOUT: !207 = !DILocation(line: 69, column: 15, scope: !203)
    585. 

  585. // CHECK:STDOUT: !208 = !DILocation(line: 69, column: 10, scope: !203)
    586. 

  586. // CHECK:STDOUT: !209 = !DILocation(line: 69, column: 3, scope: !203)
    587.