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form.carbon

form.carbon 11 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/int.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/call/form.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/call/form.carbon
    12. 

  12. 

  13. // --- ref_form_param.carbon
    14. 

  14. library "[[@TEST_NAME]]";
    15. 

  15. 

  16. fn F(x:? form(ref i32));
    17. 

  17. 

  18. fn G() {
    19. 

  19.   var y: i32 = 0;
    20. 

  20.   F(ref y);
    21. 

  21. }
    22. 

  22. 

  23. // --- var_form_param.carbon
    24. 

  24. library "[[@TEST_NAME]]";
    25. 

  25. 

  26. fn F(x:? form(var i32));
    27. 

  27. 

  28. fn G() {
    29. 

  29.   F(0);
    30. 

  30. }
    31. 

  31. 

  32. // --- val_form_param.carbon
    33. 

  33. library "[[@TEST_NAME]]";
    34. 

  34. 

  35. fn F(x:? form(val i32));
    36. 

  36. 

  37. fn G() {
    38. 

  38.   F(0);
    39. 

  39. }
    40. 

  40. 

  41. // --- ref_return_form.carbon
    42. 

  42. library "[[@TEST_NAME]]";
    43. 

  43. 

  44. fn F() ->? form(ref i32);
    45. 

  45. 

  46. fn G() {
    47. 

  47.   let unused ref x: i32 = F();
    48. 

  48. }
    49. 

  49. 

  50. // --- var_return_form.carbon
    51. 

  51. library "[[@TEST_NAME]]";
    52. 

  52. 

  53. fn F() ->? form(var i32);
    54. 

  54. 

  55. fn G() {
    56. 

  56.   let unused var x: i32 = F();
    57. 

  57. }
    58. 

  58. 

  59. // --- val_return_form.carbon
    60. 

  60. library "[[@TEST_NAME]]";
    61. 

  61. 

  62. fn F() ->? form(val i32);
    63. 

  63. 

  64. fn G() {
    65. 

  65.   let unused x: i32 = F();
    66. 

  66. }
    67. 

  67. 

  68. // CHECK:STDOUT: ; ModuleID = 'ref_form_param.carbon'
    69. 

  69. // CHECK:STDOUT: source_filename = "ref_form_param.carbon"
    70. 

  70. // CHECK:STDOUT:
    71. 

  71. // CHECK:STDOUT: declare void @_CF.Main(ptr)
    72. 

  72. // CHECK:STDOUT:
    73. 

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

  74. // CHECK:STDOUT: define void @_CG.Main() #0 !dbg !4 {
    75. 

  75. // CHECK:STDOUT: entry:
    76. 

  76. // CHECK:STDOUT:   %y.var = alloca i32, align 4, !dbg !7
    77. 

  77. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %y.var), !dbg !7
    78. 

  78. // CHECK:STDOUT:   store i32 0, ptr %y.var, align 4, !dbg !7
    79. 

  79. // CHECK:STDOUT:   call void @_CF.Main(ptr %y.var), !dbg !8
    80. 

  80. // CHECK:STDOUT:   ret void, !dbg !9
    81. 

  81. // CHECK:STDOUT: }
    82. 

  82. // CHECK:STDOUT:
    83. 

  83. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    84. 

  84. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    85. 

  85. // CHECK:STDOUT:
    86. 

  86. // CHECK:STDOUT: attributes #0 = { nounwind }
    87. 

  87. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    90. 

  90. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    91. 

  91. // CHECK:STDOUT:
    92. 

  92. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    93. 

  93. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    94. 

  94. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    95. 

  95. // CHECK:STDOUT: !3 = !DIFile(filename: "ref_form_param.carbon", directory: "")
    96. 

  96. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    97. 

  97. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    98. 

  98. // CHECK:STDOUT: !6 = !{null}
    99. 

  99. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 3, scope: !4)
    100. 

  100. // CHECK:STDOUT: !8 = !DILocation(line: 7, column: 3, scope: !4)
    101. 

  101. // CHECK:STDOUT: !9 = !DILocation(line: 5, column: 1, scope: !4)
    102. 

  102. // CHECK:STDOUT: ; ModuleID = 'var_form_param.carbon'
    103. 

  103. // CHECK:STDOUT: source_filename = "var_form_param.carbon"
    104. 

  104. // CHECK:STDOUT:
    105. 

  105. // CHECK:STDOUT: @int_0.6a9 = internal constant i32 0
    106. 

  106. // CHECK:STDOUT:
    107. 

  107. // CHECK:STDOUT: declare void @_CF.Main(ptr)
    108. 

  108. // CHECK:STDOUT:
    109. 

  109. // CHECK:STDOUT: ; Function Attrs: nounwind
    110. 

  110. // CHECK:STDOUT: define void @_CG.Main() #0 !dbg !4 {
    111. 

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

  112. // CHECK:STDOUT:   %.loc3_7.1.temp = alloca i32, align 4, !dbg !7
    113. 

  113. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc3_7.1.temp), !dbg !7
    114. 

  114. // CHECK:STDOUT:   call void @_CF.Main(ptr @int_0.6a9), !dbg !8
    115. 

  115. // CHECK:STDOUT:   ret void, !dbg !9
    116. 

  116. // CHECK:STDOUT: }
    117. 

  117. // CHECK:STDOUT:
    118. 

  118. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    119. 

  119. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    120. 

  120. // CHECK:STDOUT:
    121. 

  121. // CHECK:STDOUT: attributes #0 = { nounwind }
    122. 

  122. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    123. 

  123. // CHECK:STDOUT:
    124. 

  124. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    125. 

  125. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    128. 

  128. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    129. 

  129. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    130. 

  130. // CHECK:STDOUT: !3 = !DIFile(filename: "var_form_param.carbon", directory: "")
    131. 

  131. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    132. 

  132. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    133. 

  133. // CHECK:STDOUT: !6 = !{null}
    134. 

  134. // CHECK:STDOUT: !7 = !DILocation(line: 3, column: 6, scope: !4)
    135. 

  135. // CHECK:STDOUT: !8 = !DILocation(line: 6, column: 3, scope: !4)
    136. 

  136. // CHECK:STDOUT: !9 = !DILocation(line: 5, column: 1, scope: !4)
    137. 

  137. // CHECK:STDOUT: ; ModuleID = 'val_form_param.carbon'
    138. 

  138. // CHECK:STDOUT: source_filename = "val_form_param.carbon"
    139. 

  139. // CHECK:STDOUT:
    140. 

  140. // CHECK:STDOUT: declare void @_CF.Main(i32)
    141. 

  141. // CHECK:STDOUT:
    142. 

  142. // CHECK:STDOUT: ; Function Attrs: nounwind
    143. 

  143. // CHECK:STDOUT: define void @_CG.Main() #0 !dbg !4 {
    144. 

  144. // CHECK:STDOUT: entry:
    145. 

  145. // CHECK:STDOUT:   call void @_CF.Main(i32 0), !dbg !7
    146. 

  146. // CHECK:STDOUT:   ret void, !dbg !8
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: attributes #0 = { nounwind }
    150. 

  150. // CHECK:STDOUT:
    151. 

  151. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    152. 

  152. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    153. 

  153. // CHECK:STDOUT:
    154. 

  154. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    155. 

  155. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    156. 

  156. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    157. 

  157. // CHECK:STDOUT: !3 = !DIFile(filename: "val_form_param.carbon", directory: "")
    158. 

  158. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    159. 

  159. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    160. 

  160. // CHECK:STDOUT: !6 = !{null}
    161. 

  161. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 3, scope: !4)
    162. 

  162. // CHECK:STDOUT: !8 = !DILocation(line: 5, column: 1, scope: !4)
    163. 

  163. // CHECK:STDOUT: ; ModuleID = 'ref_return_form.carbon'
    164. 

  164. // CHECK:STDOUT: source_filename = "ref_return_form.carbon"
    165. 

  165. // CHECK:STDOUT:
    166. 

  166. // CHECK:STDOUT: declare ptr @_CF.Main()
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: ; Function Attrs: nounwind
    169. 

  169. // CHECK:STDOUT: define void @_CG.Main() #0 !dbg !4 {
    170. 

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

  171. // CHECK:STDOUT:   %F.call = call ptr @_CF.Main(), !dbg !7
    172. 

  172. // CHECK:STDOUT:   ret void, !dbg !8
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: attributes #0 = { nounwind }
    176. 

  176. // CHECK:STDOUT:
    177. 

  177. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    178. 

  178. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    181. 

  181. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    182. 

  182. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    183. 

  183. // CHECK:STDOUT: !3 = !DIFile(filename: "ref_return_form.carbon", directory: "")
    184. 

  184. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    185. 

  185. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    186. 

  186. // CHECK:STDOUT: !6 = !{null}
    187. 

  187. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 27, scope: !4)
    188. 

  188. // CHECK:STDOUT: !8 = !DILocation(line: 5, column: 1, scope: !4)
    189. 

  189. // CHECK:STDOUT: ; ModuleID = 'var_return_form.carbon'
    190. 

  190. // CHECK:STDOUT: source_filename = "var_return_form.carbon"
    191. 

  191. // CHECK:STDOUT:
    192. 

  192. // CHECK:STDOUT: declare i32 @_CF.Main()
    193. 

  193. // CHECK:STDOUT:
    194. 

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

  195. // CHECK:STDOUT: define void @_CG.Main() #0 !dbg !4 {
    196. 

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

  197. // CHECK:STDOUT:   %x.var = alloca i32, align 4, !dbg !7
    198. 

  198. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %x.var), !dbg !7
    199. 

  199. // CHECK:STDOUT:   %F.call = call i32 @_CF.Main(), !dbg !8
    200. 

  200. // CHECK:STDOUT:   store i32 %F.call, ptr %x.var, align 4, !dbg !7
    201. 

  201. // CHECK:STDOUT:   ret void, !dbg !9
    202. 

  202. // CHECK:STDOUT: }
    203. 

  203. // CHECK:STDOUT:
    204. 

  204. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    205. 

  205. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: attributes #0 = { nounwind }
    208. 

  208. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    209. 

  209. // CHECK:STDOUT:
    210. 

  210. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    211. 

  211. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    212. 

  212. // CHECK:STDOUT:
    213. 

  213. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    214. 

  214. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    215. 

  215. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    216. 

  216. // CHECK:STDOUT: !3 = !DIFile(filename: "var_return_form.carbon", directory: "")
    217. 

  217. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    218. 

  218. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    219. 

  219. // CHECK:STDOUT: !6 = !{null}
    220. 

  220. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 14, scope: !4)
    221. 

  221. // CHECK:STDOUT: !8 = !DILocation(line: 6, column: 27, scope: !4)
    222. 

  222. // CHECK:STDOUT: !9 = !DILocation(line: 5, column: 1, scope: !4)
    223. 

  223. // CHECK:STDOUT: ; ModuleID = 'val_return_form.carbon'
    224. 

  224. // CHECK:STDOUT: source_filename = "val_return_form.carbon"
    225. 

  225. // CHECK:STDOUT:
    226. 

  226. // CHECK:STDOUT: declare i32 @_CF.Main()
    227. 

  227. // CHECK:STDOUT:
    228. 

  228. // CHECK:STDOUT: ; Function Attrs: nounwind
    229. 

  229. // CHECK:STDOUT: define void @_CG.Main() #0 !dbg !4 {
    230. 

  230. // CHECK:STDOUT: entry:
    231. 

  231. // CHECK:STDOUT:   %F.call = call i32 @_CF.Main(), !dbg !7
    232. 

  232. // CHECK:STDOUT:   ret void, !dbg !8
    233. 

  233. // CHECK:STDOUT: }
    234. 

  234. // CHECK:STDOUT:
    235. 

  235. // CHECK:STDOUT: attributes #0 = { nounwind }
    236. 

  236. // CHECK:STDOUT:
    237. 

  237. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    238. 

  238. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    239. 

  239. // CHECK:STDOUT:
    240. 

  240. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    241. 

  241. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    242. 

  242. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    243. 

  243. // CHECK:STDOUT: !3 = !DIFile(filename: "val_return_form.carbon", directory: "")
    244. 

  244. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    245. 

  245. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    246. 

  246. // CHECK:STDOUT: !6 = !{null}
    247. 

  247. // CHECK:STDOUT: !7 = !DILocation(line: 6, column: 23, scope: !4)
    248. 

  248. // CHECK:STDOUT: !8 = !DILocation(line: 5, column: 1, scope: !4)
    249.