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call_basic.carbon

call_basic.carbon 24 KB
Історія Запис

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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[unused self: Self]() -> Self { return {}; }
    16. 

  16.   }
    17. 

  17. }
    18. 

  18. 

  19. fn F[T:! type](_: 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 p: f64 = 1.0;
    51. 

  51. 

  52.   F(n);
    53. 

  53.   let _: i32 = G(n);
    54. 

  54.   F(p);
    55. 

  55.   let _: f64 = G(p);
    56. 

  56. }
    57. 

  57. 

  58. // CHECK:STDOUT: ; ModuleID = 'call_basic.carbon'
    59. 

  59. // CHECK:STDOUT: source_filename = "call_basic.carbon"
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: %type = type {}
    62. 

  62. // CHECK:STDOUT:
    63. 

  63. // CHECK:STDOUT: @C.val.loc15_51 = internal constant {} zeroinitializer
    64. 

  64. // CHECK:STDOUT:
    65. 

  65. // CHECK:STDOUT: ; Function Attrs: nounwind
    66. 

  66. // CHECK:STDOUT: define void @"_COp.C.Main:Copy.Core"(ptr sret({}) %return, ptr %self) #0 !dbg !4 {
    67. 

  67. // CHECK:STDOUT: entry:
    68. 

  68. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %return, ptr align 1 @C.val.loc15_51, i64 0, i1 false), !dbg !10
    69. 

  69. // CHECK:STDOUT:   ret void, !dbg !10
    70. 

  70. // CHECK:STDOUT: }
    71. 

  71. // CHECK:STDOUT:
    72. 

  72. // CHECK:STDOUT: ; Function Attrs: nounwind
    73. 

  73. // CHECK:STDOUT: define weak_odr void @"_COp.71e25083d63c4d6c:core.Destroy.Core"(ptr %self) #0 !dbg !11 {
    74. 

  74. // CHECK:STDOUT: entry:
    75. 

  75. // CHECK:STDOUT:   ret void, !dbg !16
    76. 

  76. // CHECK:STDOUT: }
    77. 

  77. // CHECK:STDOUT:
    78. 

  78. // CHECK:STDOUT: ; Function Attrs: nounwind
    79. 

  79. // CHECK:STDOUT: define weak_odr void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %self) #0 !dbg !17 {
    80. 

  80. // CHECK:STDOUT: entry:
    81. 

  81. // CHECK:STDOUT:   ret void, !dbg !20
    82. 

  82. // CHECK:STDOUT: }
    83. 

  83. // CHECK:STDOUT:
    84. 

  84. // CHECK:STDOUT: ; Function Attrs: nounwind
    85. 

  85. // CHECK:STDOUT: define void @_CM.Main() #0 !dbg !21 {
    86. 

  86. // CHECK:STDOUT: entry:
    87. 

  87. // CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !24
    88. 

  88. // CHECK:STDOUT:   %p.var = alloca double, align 8, !dbg !25
    89. 

  89. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !24
    90. 

  90. // CHECK:STDOUT:   store i32 0, ptr %n.var, align 4, !dbg !24
    91. 

  91. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %p.var), !dbg !25
    92. 

  92. // CHECK:STDOUT:   store double 1.000000e+00, ptr %p.var, align 8, !dbg !25
    93. 

  93. // CHECK:STDOUT:   %.loc52 = load i32, ptr %n.var, align 4, !dbg !26
    94. 

  94. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(i32 %.loc52), !dbg !27
    95. 

  95. // CHECK:STDOUT:   %.loc53_18 = load i32, ptr %n.var, align 4, !dbg !28
    96. 

  96. // CHECK:STDOUT:   %G.call.loc53 = call i32 @_CG.Main.bfb441135f07cbe1(i32 %.loc53_18), !dbg !29
    97. 

  97. // CHECK:STDOUT:   %.loc54 = load double, ptr %p.var, align 8, !dbg !30
    98. 

  98. // CHECK:STDOUT:   call void @_CF.Main.d4b5665541d5d7a8(double %.loc54), !dbg !31
    99. 

  99. // CHECK:STDOUT:   %.loc55_18 = load double, ptr %p.var, align 8, !dbg !32
    100. 

  100. // CHECK:STDOUT:   %G.call.loc55 = call double @_CG.Main.29cf1dfeccef7249(double %.loc55_18), !dbg !33
    101. 

  101. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %p.var), !dbg !25
    102. 

  102. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %n.var), !dbg !24
    103. 

  103. // CHECK:STDOUT:   ret void, !dbg !34
    104. 

  104. // CHECK:STDOUT: }
    105. 

  105. // CHECK:STDOUT:
    106. 

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

  107. // CHECK:STDOUT: define weak_odr void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %self) #0 !dbg !35 {
    108. 

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

  109. // CHECK:STDOUT:   ret void, !dbg !41
    110. 

  110. // CHECK:STDOUT: }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    113. 

  113. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    116. 

  116. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #2
    117. 

  117. // CHECK:STDOUT:
    118. 

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

  119. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.b88d1103f417c6d4(i32 %_) #0 !dbg !42 {
    120. 

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

  121. // CHECK:STDOUT:   ret void, !dbg !45
    122. 

  122. // CHECK:STDOUT: }
    123. 

  123. // CHECK:STDOUT:
    124. 

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

  125. // CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.bfb441135f07cbe1(i32 %x) #0 !dbg !46 {
    126. 

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

  127. // CHECK:STDOUT:   %.loc29_6.2.temp = alloca i32, align 4, !dbg !51
    128. 

  128. // CHECK:STDOUT:   %.loc31_8.2.temp = alloca i32, align 4, !dbg !52
    129. 

  129. // CHECK:STDOUT:   %.loc31_9.2.temp = alloca i32, align 4, !dbg !53
    130. 

  130. // CHECK:STDOUT:   %var_f64.var = alloca double, align 8, !dbg !54
    131. 

  131. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !55
    132. 

  132. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !56
    133. 

  133. // CHECK:STDOUT:   %ptr_i8.var = alloca ptr, align 8, !dbg !57
    134. 

  134. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !58
    135. 

  135. // CHECK:STDOUT:   %.loc43_6.2.temp = alloca {}, align 8, !dbg !59
    136. 

  136. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_6.2.temp), !dbg !51
    137. 

  137. // CHECK:STDOUT:   %H.call.loc29 = call i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %x), !dbg !51
    138. 

  138. // CHECK:STDOUT:   store i32 %H.call.loc29, ptr %.loc29_6.2.temp, align 4, !dbg !51
    139. 

  139. // CHECK:STDOUT:   %H.call.loc30 = call %type @_CH.Main.582d60b54baf6b63(%type zeroinitializer), !dbg !60
    140. 

  140. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_8.2.temp), !dbg !52
    141. 

  141. // CHECK:STDOUT:   %G.call = call i32 @_CG.Main.bfb441135f07cbe1(i32 %x), !dbg !52
    142. 

  142. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_9.2.temp), !dbg !53
    143. 

  143. // CHECK:STDOUT:   store i32 %G.call, ptr %.loc31_8.2.temp, align 4, !dbg !52
    144. 

  144. // CHECK:STDOUT:   %.loc31_8.4 = load i32, ptr %.loc31_8.2.temp, align 4, !dbg !52
    145. 

  145. // CHECK:STDOUT:   %H.call.loc31 = call i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %.loc31_8.4), !dbg !53
    146. 

  146. // CHECK:STDOUT:   store i32 %H.call.loc31, ptr %.loc31_9.2.temp, align 4, !dbg !53
    147. 

  147. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var_f64.var), !dbg !54
    148. 

  148. // CHECK:STDOUT:   store double poison, ptr %var_f64.var, align 8, !dbg !54
    149. 

  149. // CHECK:STDOUT:   %.loc35_5 = load double, ptr %var_f64.var, align 8, !dbg !61
    150. 

  150. // CHECK:STDOUT:   %H.call.loc35 = call double @_CH.Main.de5b400758c39a65(double %.loc35_5), !dbg !62
    151. 

  151. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !55
    152. 

  152. // CHECK:STDOUT:   store ptr poison, ptr %ptr_i32.var, align 8, !dbg !55
    153. 

  153. // CHECK:STDOUT:   %.loc37_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !63
    154. 

  154. // CHECK:STDOUT:   %H.call.loc37 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc37_5), !dbg !64
    155. 

  155. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !56
    156. 

  156. // CHECK:STDOUT:   store ptr poison, ptr %ptr_f64.var, align 8, !dbg !56
    157. 

  157. // CHECK:STDOUT:   %.loc39_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !65
    158. 

  158. // CHECK:STDOUT:   %H.call.loc39 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc39_5), !dbg !66
    159. 

  159. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i8.var), !dbg !57
    160. 

  160. // CHECK:STDOUT:   store ptr poison, ptr %ptr_i8.var, align 8, !dbg !57
    161. 

  161. // CHECK:STDOUT:   %.loc41_5 = load ptr, ptr %ptr_i8.var, align 8, !dbg !67
    162. 

  162. // CHECK:STDOUT:   %H.call.loc41 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc41_5), !dbg !68
    163. 

  163. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !58
    164. 

  164. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc43_6.2.temp), !dbg !59
    165. 

  165. // CHECK:STDOUT:   call void @_CH.Main.706e9f413f1bae3d(ptr %.loc43_6.2.temp, ptr %c.var), !dbg !59
    166. 

  166. // CHECK:STDOUT:   call void @"_COp.71e25083d63c4d6c:core.Destroy.Core"(ptr %.loc43_6.2.temp), !dbg !59
    167. 

  167. // CHECK:STDOUT:   call void @"_COp.71e25083d63c4d6c:core.Destroy.Core"(ptr %c.var), !dbg !58
    168. 

  168. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %var_f64.var), !dbg !54
    169. 

  169. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %.loc31_9.2.temp), !dbg !53
    170. 

  170. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %.loc31_8.2.temp), !dbg !52
    171. 

  171. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %.loc29_6.2.temp), !dbg !51
    172. 

  172. // CHECK:STDOUT:   ret i32 %x, !dbg !69
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: ; Function Attrs: nounwind
    176. 

  176. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.d4b5665541d5d7a8(double %_) #0 !dbg !70 {
    177. 

  177. // CHECK:STDOUT: entry:
    178. 

  178. // CHECK:STDOUT:   ret void, !dbg !73
    179. 

  179. // CHECK:STDOUT: }
    180. 

  180. // CHECK:STDOUT:
    181. 

  181. // CHECK:STDOUT: ; Function Attrs: nounwind
    182. 

  182. // CHECK:STDOUT: define linkonce_odr double @_CG.Main.29cf1dfeccef7249(double %x) #0 !dbg !74 {
    183. 

  183. // CHECK:STDOUT: entry:
    184. 

  184. // CHECK:STDOUT:   %.loc29_6.2.temp = alloca double, align 8, !dbg !77
    185. 

  185. // CHECK:STDOUT:   %.loc31_8.2.temp = alloca double, align 8, !dbg !78
    186. 

  186. // CHECK:STDOUT:   %.loc31_9.2.temp = alloca double, align 8, !dbg !79
    187. 

  187. // CHECK:STDOUT:   %var_f64.var = alloca double, align 8, !dbg !80
    188. 

  188. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !81
    189. 

  189. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !82
    190. 

  190. // CHECK:STDOUT:   %ptr_i8.var = alloca ptr, align 8, !dbg !83
    191. 

  191. // CHECK:STDOUT:   %c.var = alloca {}, align 8, !dbg !84
    192. 

  192. // CHECK:STDOUT:   %.loc43_6.2.temp = alloca {}, align 8, !dbg !85
    193. 

  193. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc29_6.2.temp), !dbg !77
    194. 

  194. // CHECK:STDOUT:   %H.call.loc29 = call double @_CH.Main.de5b400758c39a65(double %x), !dbg !77
    195. 

  195. // CHECK:STDOUT:   store double %H.call.loc29, ptr %.loc29_6.2.temp, align 8, !dbg !77
    196. 

  196. // CHECK:STDOUT:   %H.call.loc30 = call %type @_CH.Main.582d60b54baf6b63(%type zeroinitializer), !dbg !86
    197. 

  197. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_8.2.temp), !dbg !78
    198. 

  198. // CHECK:STDOUT:   %G.call = call double @_CG.Main.29cf1dfeccef7249(double %x), !dbg !78
    199. 

  199. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc31_9.2.temp), !dbg !79
    200. 

  200. // CHECK:STDOUT:   store double %G.call, ptr %.loc31_8.2.temp, align 8, !dbg !78
    201. 

  201. // CHECK:STDOUT:   %.loc31_8.4 = load double, ptr %.loc31_8.2.temp, align 8, !dbg !78
    202. 

  202. // CHECK:STDOUT:   %H.call.loc31 = call double @_CH.Main.de5b400758c39a65(double %.loc31_8.4), !dbg !79
    203. 

  203. // CHECK:STDOUT:   store double %H.call.loc31, ptr %.loc31_9.2.temp, align 8, !dbg !79
    204. 

  204. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var_f64.var), !dbg !80
    205. 

  205. // CHECK:STDOUT:   store double poison, ptr %var_f64.var, align 8, !dbg !80
    206. 

  206. // CHECK:STDOUT:   %.loc35_5 = load double, ptr %var_f64.var, align 8, !dbg !87
    207. 

  207. // CHECK:STDOUT:   %H.call.loc35 = call double @_CH.Main.de5b400758c39a65(double %.loc35_5), !dbg !88
    208. 

  208. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !81
    209. 

  209. // CHECK:STDOUT:   store ptr poison, ptr %ptr_i32.var, align 8, !dbg !81
    210. 

  210. // CHECK:STDOUT:   %.loc37_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !89
    211. 

  211. // CHECK:STDOUT:   %H.call.loc37 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc37_5), !dbg !90
    212. 

  212. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !82
    213. 

  213. // CHECK:STDOUT:   store ptr poison, ptr %ptr_f64.var, align 8, !dbg !82
    214. 

  214. // CHECK:STDOUT:   %.loc39_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !91
    215. 

  215. // CHECK:STDOUT:   %H.call.loc39 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc39_5), !dbg !92
    216. 

  216. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %ptr_i8.var), !dbg !83
    217. 

  217. // CHECK:STDOUT:   store ptr poison, ptr %ptr_i8.var, align 8, !dbg !83
    218. 

  218. // CHECK:STDOUT:   %.loc41_5 = load ptr, ptr %ptr_i8.var, align 8, !dbg !93
    219. 

  219. // CHECK:STDOUT:   %H.call.loc41 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc41_5), !dbg !94
    220. 

  220. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !84
    221. 

  221. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc43_6.2.temp), !dbg !85
    222. 

  222. // CHECK:STDOUT:   call void @_CH.Main.706e9f413f1bae3d(ptr %.loc43_6.2.temp, ptr %c.var), !dbg !85
    223. 

  223. // CHECK:STDOUT:   call void @"_COp.71e25083d63c4d6c:core.Destroy.Core"(ptr %.loc43_6.2.temp), !dbg !85
    224. 

  224. // CHECK:STDOUT:   call void @"_COp.71e25083d63c4d6c:core.Destroy.Core"(ptr %c.var), !dbg !84
    225. 

  225. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %var_f64.var), !dbg !80
    226. 

  226. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %.loc31_9.2.temp), !dbg !79
    227. 

  227. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %.loc31_8.2.temp), !dbg !78
    228. 

  228. // CHECK:STDOUT:   call void @"_COp.98006a366c2ffd6c:core.Destroy.Core"(ptr %.loc29_6.2.temp), !dbg !77
    229. 

  229. // CHECK:STDOUT:   ret double %x, !dbg !95
    230. 

  230. // CHECK:STDOUT: }
    231. 

  231. // CHECK:STDOUT:
    232. 

  232. // CHECK:STDOUT: ; Function Attrs: nounwind
    233. 

  233. // CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %x) #0 !dbg !96 {
    234. 

  234. // CHECK:STDOUT: entry:
    235. 

  235. // CHECK:STDOUT:   ret i32 %x, !dbg !99
    236. 

  236. // CHECK:STDOUT: }
    237. 

  237. // CHECK:STDOUT:
    238. 

  238. // CHECK:STDOUT: ; Function Attrs: nounwind
    239. 

  239. // CHECK:STDOUT: define linkonce_odr %type @_CH.Main.582d60b54baf6b63(%type %x) #0 !dbg !100 {
    240. 

  240. // CHECK:STDOUT: entry:
    241. 

  241. // CHECK:STDOUT:   ret %type %x, !dbg !103
    242. 

  242. // CHECK:STDOUT: }
    243. 

  243. // CHECK:STDOUT:
    244. 

  244. // CHECK:STDOUT: ; Function Attrs: nounwind
    245. 

  245. // CHECK:STDOUT: define linkonce_odr double @_CH.Main.de5b400758c39a65(double %x) #0 !dbg !104 {
    246. 

  246. // CHECK:STDOUT: entry:
    247. 

  247. // CHECK:STDOUT:   ret double %x, !dbg !107
    248. 

  248. // CHECK:STDOUT: }
    249. 

  249. // CHECK:STDOUT:
    250. 

  250. // CHECK:STDOUT: ; Function Attrs: nounwind
    251. 

  251. // CHECK:STDOUT: define linkonce_odr ptr @_CH.Main.779b9c0f3b54a7f8(ptr %x) #0 !dbg !108 {
    252. 

  252. // CHECK:STDOUT: entry:
    253. 

  253. // CHECK:STDOUT:   ret ptr %x, !dbg !111
    254. 

  254. // CHECK:STDOUT: }
    255. 

  255. // CHECK:STDOUT:
    256. 

  256. // CHECK:STDOUT: ; Function Attrs: nounwind
    257. 

  257. // CHECK:STDOUT: define linkonce_odr void @_CH.Main.706e9f413f1bae3d(ptr sret({}) %return, ptr %x) #0 !dbg !112 {
    258. 

  258. // CHECK:STDOUT: entry:
    259. 

  259. // CHECK:STDOUT:   call void @"_COp.C.Main:Copy.Core"(ptr %return, ptr %x), !dbg !115
    260. 

  260. // CHECK:STDOUT:   ret void, !dbg !116
    261. 

  261. // CHECK:STDOUT: }
    262. 

  262. // CHECK:STDOUT:
    263. 

  263. // CHECK:STDOUT: ; uselistorder directives
    264. 

  264. // 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, 19, 18 }
    265. 

  265. // CHECK:STDOUT: uselistorder ptr @_CH.Main.64ccbb8e5d9a0b8e, { 1, 0 }
    266. 

  266. // CHECK:STDOUT: uselistorder ptr @_CH.Main.582d60b54baf6b63, { 1, 0 }
    267. 

  267. // CHECK:STDOUT: uselistorder ptr @_CH.Main.de5b400758c39a65, { 3, 2, 1, 0 }
    268. 

  268. // CHECK:STDOUT: uselistorder ptr @_CH.Main.779b9c0f3b54a7f8, { 5, 2, 0, 4, 3, 1 }
    269. 

  269. // CHECK:STDOUT: uselistorder ptr @_CH.Main.706e9f413f1bae3d, { 1, 0 }
    270. 

  270. // CHECK:STDOUT:
    271. 

  271. // CHECK:STDOUT: attributes #0 = { nounwind }
    272. 

  272. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    273. 

  273. // CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    274. 

  274. // CHECK:STDOUT:
    275. 

  275. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    276. 

  276. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    277. 

  277. // CHECK:STDOUT:
    278. 

  278. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    279. 

  279. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    280. 

  280. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    281. 

  281. // CHECK:STDOUT: !3 = !DIFile(filename: "call_basic.carbon", directory: "")
    282. 

  282. // 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, retainedNodes: !8)
    283. 

  283. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    284. 

  284. // CHECK:STDOUT: !6 = !{!7, !7}
    285. 

  285. // CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
    286. 

  286. // CHECK:STDOUT: !8 = !{!9}
    287. 

  287. // CHECK:STDOUT: !9 = !DILocalVariable(arg: 1, scope: !4, type: !7)
    288. 

  288. // CHECK:STDOUT: !10 = !DILocation(line: 15, column: 42, scope: !4)
    289. 

  289. // CHECK:STDOUT: !11 = distinct !DISubprogram(name: "Op", linkageName: "_COp.71e25083d63c4d6c:core.Destroy.Core", scope: null, file: !3, line: 43, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !14)
    290. 

  290. // CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
    291. 

  291. // CHECK:STDOUT: !13 = !{null, !7}
    292. 

  292. // CHECK:STDOUT: !14 = !{!15}
    293. 

  293. // CHECK:STDOUT: !15 = !DILocalVariable(arg: 1, scope: !11, type: !7)
    294. 

  294. // CHECK:STDOUT: !16 = !DILocation(line: 43, column: 3, scope: !11)
    295. 

  295. // CHECK:STDOUT: !17 = distinct !DISubprogram(name: "Op", linkageName: "_COp.98006a366c2ffd6c:core.Destroy.Core", scope: null, file: !3, line: 34, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !18)
    296. 

  296. // CHECK:STDOUT: !18 = !{!19}
    297. 

  297. // CHECK:STDOUT: !19 = !DILocalVariable(arg: 1, scope: !17, type: !7)
    298. 

  298. // CHECK:STDOUT: !20 = !DILocation(line: 34, column: 3, scope: !17)
    299. 

  299. // CHECK:STDOUT: !21 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 48, type: !22, spFlags: DISPFlagDefinition, unit: !2)
    300. 

  300. // CHECK:STDOUT: !22 = !DISubroutineType(types: !23)
    301. 

  301. // CHECK:STDOUT: !23 = !{null}
    302. 

  302. // CHECK:STDOUT: !24 = !DILocation(line: 49, column: 3, scope: !21)
    303. 

  303. // CHECK:STDOUT: !25 = !DILocation(line: 50, column: 3, scope: !21)
    304. 

  304. // CHECK:STDOUT: !26 = !DILocation(line: 52, column: 5, scope: !21)
    305. 

  305. // CHECK:STDOUT: !27 = !DILocation(line: 52, column: 3, scope: !21)
    306. 

  306. // CHECK:STDOUT: !28 = !DILocation(line: 53, column: 18, scope: !21)
    307. 

  307. // CHECK:STDOUT: !29 = !DILocation(line: 53, column: 16, scope: !21)
    308. 

  308. // CHECK:STDOUT: !30 = !DILocation(line: 54, column: 5, scope: !21)
    309. 

  309. // CHECK:STDOUT: !31 = !DILocation(line: 54, column: 3, scope: !21)
    310. 

  310. // CHECK:STDOUT: !32 = !DILocation(line: 55, column: 18, scope: !21)
    311. 

  311. // CHECK:STDOUT: !33 = !DILocation(line: 55, column: 16, scope: !21)
    312. 

  312. // CHECK:STDOUT: !34 = !DILocation(line: 48, column: 1, scope: !21)
    313. 

  313. // CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.7e389eab4a7e5487:core.Destroy.Core", scope: null, file: !3, line: 53, type: !36, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !39)
    314. 

  314. // CHECK:STDOUT: !36 = !DISubroutineType(types: !37)
    315. 

  315. // CHECK:STDOUT: !37 = !{null, !38}
    316. 

  316. // CHECK:STDOUT: !38 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
    317. 

  317. // CHECK:STDOUT: !39 = !{!40}
    318. 

  318. // CHECK:STDOUT: !40 = !DILocalVariable(arg: 1, scope: !35, type: !38)
    319. 

  319. // CHECK:STDOUT: !41 = !DILocation(line: 53, column: 16, scope: !35)
    320. 

  320. // CHECK:STDOUT: !42 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.b88d1103f417c6d4", scope: null, file: !3, line: 19, type: !36, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !43)
    321. 

  321. // CHECK:STDOUT: !43 = !{!44}
    322. 

  322. // CHECK:STDOUT: !44 = !DILocalVariable(arg: 1, scope: !42, type: !38)
    323. 

  323. // CHECK:STDOUT: !45 = !DILocation(line: 19, column: 1, scope: !42)
    324. 

  324. // CHECK:STDOUT: !46 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.bfb441135f07cbe1", scope: null, file: !3, line: 28, type: !47, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !49)
    325. 

  325. // CHECK:STDOUT: !47 = !DISubroutineType(types: !48)
    326. 

  326. // CHECK:STDOUT: !48 = !{!38, !38}
    327. 

  327. // CHECK:STDOUT: !49 = !{!50}
    328. 

  328. // CHECK:STDOUT: !50 = !DILocalVariable(arg: 1, scope: !46, type: !38)
    329. 

  329. // CHECK:STDOUT: !51 = !DILocation(line: 29, column: 3, scope: !46)
    330. 

  330. // CHECK:STDOUT: !52 = !DILocation(line: 31, column: 5, scope: !46)
    331. 

  331. // CHECK:STDOUT: !53 = !DILocation(line: 31, column: 3, scope: !46)
    332. 

  332. // CHECK:STDOUT: !54 = !DILocation(line: 34, column: 3, scope: !46)
    333. 

  333. // CHECK:STDOUT: !55 = !DILocation(line: 36, column: 3, scope: !46)
    334. 

  334. // CHECK:STDOUT: !56 = !DILocation(line: 38, column: 3, scope: !46)
    335. 

  335. // CHECK:STDOUT: !57 = !DILocation(line: 40, column: 3, scope: !46)
    336. 

  336. // CHECK:STDOUT: !58 = !DILocation(line: 42, column: 3, scope: !46)
    337. 

  337. // CHECK:STDOUT: !59 = !DILocation(line: 43, column: 3, scope: !46)
    338. 

  338. // CHECK:STDOUT: !60 = !DILocation(line: 30, column: 3, scope: !46)
    339. 

  339. // CHECK:STDOUT: !61 = !DILocation(line: 35, column: 5, scope: !46)
    340. 

  340. // CHECK:STDOUT: !62 = !DILocation(line: 35, column: 3, scope: !46)
    341. 

  341. // CHECK:STDOUT: !63 = !DILocation(line: 37, column: 5, scope: !46)
    342. 

  342. // CHECK:STDOUT: !64 = !DILocation(line: 37, column: 3, scope: !46)
    343. 

  343. // CHECK:STDOUT: !65 = !DILocation(line: 39, column: 5, scope: !46)
    344. 

  344. // CHECK:STDOUT: !66 = !DILocation(line: 39, column: 3, scope: !46)
    345. 

  345. // CHECK:STDOUT: !67 = !DILocation(line: 41, column: 5, scope: !46)
    346. 

  346. // CHECK:STDOUT: !68 = !DILocation(line: 41, column: 3, scope: !46)
    347. 

  347. // CHECK:STDOUT: !69 = !DILocation(line: 45, column: 3, scope: !46)
    348. 

  348. // CHECK:STDOUT: !70 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.d4b5665541d5d7a8", scope: null, file: !3, line: 19, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !71)
    349. 

  349. // CHECK:STDOUT: !71 = !{!72}
    350. 

  350. // CHECK:STDOUT: !72 = !DILocalVariable(arg: 1, scope: !70, type: !7)
    351. 

  351. // CHECK:STDOUT: !73 = !DILocation(line: 19, column: 1, scope: !70)
    352. 

  352. // CHECK:STDOUT: !74 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.29cf1dfeccef7249", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !75)
    353. 

  353. // CHECK:STDOUT: !75 = !{!76}
    354. 

  354. // CHECK:STDOUT: !76 = !DILocalVariable(arg: 1, scope: !74, type: !7)
    355. 

  355. // CHECK:STDOUT: !77 = !DILocation(line: 29, column: 3, scope: !74)
    356. 

  356. // CHECK:STDOUT: !78 = !DILocation(line: 31, column: 5, scope: !74)
    357. 

  357. // CHECK:STDOUT: !79 = !DILocation(line: 31, column: 3, scope: !74)
    358. 

  358. // CHECK:STDOUT: !80 = !DILocation(line: 34, column: 3, scope: !74)
    359. 

  359. // CHECK:STDOUT: !81 = !DILocation(line: 36, column: 3, scope: !74)
    360. 

  360. // CHECK:STDOUT: !82 = !DILocation(line: 38, column: 3, scope: !74)
    361. 

  361. // CHECK:STDOUT: !83 = !DILocation(line: 40, column: 3, scope: !74)
    362. 

  362. // CHECK:STDOUT: !84 = !DILocation(line: 42, column: 3, scope: !74)
    363. 

  363. // CHECK:STDOUT: !85 = !DILocation(line: 43, column: 3, scope: !74)
    364. 

  364. // CHECK:STDOUT: !86 = !DILocation(line: 30, column: 3, scope: !74)
    365. 

  365. // CHECK:STDOUT: !87 = !DILocation(line: 35, column: 5, scope: !74)
    366. 

  366. // CHECK:STDOUT: !88 = !DILocation(line: 35, column: 3, scope: !74)
    367. 

  367. // CHECK:STDOUT: !89 = !DILocation(line: 37, column: 5, scope: !74)
    368. 

  368. // CHECK:STDOUT: !90 = !DILocation(line: 37, column: 3, scope: !74)
    369. 

  369. // CHECK:STDOUT: !91 = !DILocation(line: 39, column: 5, scope: !74)
    370. 

  370. // CHECK:STDOUT: !92 = !DILocation(line: 39, column: 3, scope: !74)
    371. 

  371. // CHECK:STDOUT: !93 = !DILocation(line: 41, column: 5, scope: !74)
    372. 

  372. // CHECK:STDOUT: !94 = !DILocation(line: 41, column: 3, scope: !74)
    373. 

  373. // CHECK:STDOUT: !95 = !DILocation(line: 45, column: 3, scope: !74)
    374. 

  374. // CHECK:STDOUT: !96 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 22, type: !47, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !97)
    375. 

  375. // CHECK:STDOUT: !97 = !{!98}
    376. 

  376. // CHECK:STDOUT: !98 = !DILocalVariable(arg: 1, scope: !96, type: !38)
    377. 

  377. // CHECK:STDOUT: !99 = !DILocation(line: 23, column: 3, scope: !96)
    378. 

  378. // CHECK:STDOUT: !100 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.582d60b54baf6b63", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !101)
    379. 

  379. // CHECK:STDOUT: !101 = !{!102}
    380. 

  380. // CHECK:STDOUT: !102 = !DILocalVariable(arg: 1, scope: !100, type: !7)
    381. 

  381. // CHECK:STDOUT: !103 = !DILocation(line: 23, column: 3, scope: !100)
    382. 

  382. // CHECK:STDOUT: !104 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.de5b400758c39a65", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !105)
    383. 

  383. // CHECK:STDOUT: !105 = !{!106}
    384. 

  384. // CHECK:STDOUT: !106 = !DILocalVariable(arg: 1, scope: !104, type: !7)
    385. 

  385. // CHECK:STDOUT: !107 = !DILocation(line: 23, column: 3, scope: !104)
    386. 

  386. // CHECK:STDOUT: !108 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !109)
    387. 

  387. // CHECK:STDOUT: !109 = !{!110}
    388. 

  388. // CHECK:STDOUT: !110 = !DILocalVariable(arg: 1, scope: !108, type: !7)
    389. 

  389. // CHECK:STDOUT: !111 = !DILocation(line: 23, column: 3, scope: !108)
    390. 

  390. // CHECK:STDOUT: !112 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.706e9f413f1bae3d", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !113)
    391. 

  391. // CHECK:STDOUT: !113 = !{!114}
    392. 

  392. // CHECK:STDOUT: !114 = !DILocalVariable(arg: 1, scope: !112, type: !7)
    393. 

  393. // CHECK:STDOUT: !115 = !DILocation(line: 23, column: 10, scope: !112)
    394. 

  394. // CHECK:STDOUT: !116 = !DILocation(line: 23, column: 3, scope: !112)
    395.