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tomteb
/
carbon-lang
1
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Koks: 23339bc810
Atzari Tagi
carbon-lang
/
toolchain
/
lower
/
testdata
/
function
/
definition
/
var_param.carbon

var_param.carbon 11 KB
Vēsture Neapstrādāts

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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/definition/var_param.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/definition/var_param.carbon
    12. 

  12. 

  13. class X {}
    14. 

  14. 

  15. fn OneVar_i32(var _: i32) {}
    16. 

  16. fn OneVar_X(var _: X) {}
    17. 

  17. 

  18. fn TwoVars(var _: i32, var _: X) {}
    19. 

  19. 

  20. fn VarThenLet(var _: i32, _: X) {}
    21. 

  21. fn LetThenVar(_: i32, var _: X) {}
    22. 

  22. 

  23. fn Call() {
    24. 

  24.   OneVar_i32(1);
    25. 

  25.   OneVar_X({});
    26. 

  26.   TwoVars(1, {});
    27. 

  27.   VarThenLet(1, {});
    28. 

  28.   LetThenVar(1, {});
    29. 

  29. }
    30. 

  30. 

  31. // CHECK:STDOUT: ; ModuleID = 'var_param.carbon'
    32. 

  32. // CHECK:STDOUT: source_filename = "var_param.carbon"
    33. 

  33. // CHECK:STDOUT:
    34. 

  34. // CHECK:STDOUT: @X.val = internal constant {} zeroinitializer
    35. 

  35. // CHECK:STDOUT: @X.val.loc16 = internal constant {} zeroinitializer
    36. 

  36. // CHECK:STDOUT:
    37. 

  37. // CHECK:STDOUT: ; Function Attrs: nounwind
    38. 

  38. // CHECK:STDOUT: define void @_COneVar_i32.Main(ptr %_) #0 !dbg !4 {
    39. 

  39. // CHECK:STDOUT: entry:
    40. 

  40. // CHECK:STDOUT:   ret void, !dbg !10
    41. 

  41. // CHECK:STDOUT: }
    42. 

  42. // CHECK:STDOUT:
    43. 

  43. // CHECK:STDOUT: ; Function Attrs: nounwind
    44. 

  44. // CHECK:STDOUT: define void @_COneVar_X.Main(ptr %_) #0 !dbg !11 {
    45. 

  45. // CHECK:STDOUT: entry:
    46. 

  46. // CHECK:STDOUT:   ret void, !dbg !17
    47. 

  47. // CHECK:STDOUT: }
    48. 

  48. // CHECK:STDOUT:
    49. 

  49. // CHECK:STDOUT: ; Function Attrs: nounwind
    50. 

  50. // CHECK:STDOUT: define void @_CTwoVars.Main(ptr %_, ptr %_1) #0 !dbg !18 {
    51. 

  51. // CHECK:STDOUT: entry:
    52. 

  52. // CHECK:STDOUT:   ret void, !dbg !24
    53. 

  53. // CHECK:STDOUT: }
    54. 

  54. // CHECK:STDOUT:
    55. 

  55. // CHECK:STDOUT: ; Function Attrs: nounwind
    56. 

  56. // CHECK:STDOUT: define void @_CVarThenLet.Main(ptr %_, ptr %_1) #0 !dbg !25 {
    57. 

  57. // CHECK:STDOUT: entry:
    58. 

  58. // CHECK:STDOUT:   ret void, !dbg !29
    59. 

  59. // CHECK:STDOUT: }
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: ; Function Attrs: nounwind
    62. 

  62. // CHECK:STDOUT: define void @_CLetThenVar.Main(i32 %_, ptr %_1) #0 !dbg !30 {
    63. 

  63. // CHECK:STDOUT: entry:
    64. 

  64. // CHECK:STDOUT:   ret void, !dbg !34
    65. 

  65. // CHECK:STDOUT: }
    66. 

  66. // CHECK:STDOUT:
    67. 

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

  68. // CHECK:STDOUT: define void @_CCall.Main() #0 !dbg !35 {
    69. 

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

  70. // CHECK:STDOUT:   %_.var.loc15 = alloca i32, align 4, !dbg !38
    71. 

  71. // CHECK:STDOUT:   %_.var.loc16 = alloca {}, align 8, !dbg !39
    72. 

  72. // CHECK:STDOUT:   %_.var.loc18_12 = alloca i32, align 4, !dbg !40
    73. 

  73. // CHECK:STDOUT:   %_.var.loc18_24 = alloca {}, align 8, !dbg !41
    74. 

  74. // CHECK:STDOUT:   %_.var.loc20 = alloca i32, align 4, !dbg !42
    75. 

  75. // CHECK:STDOUT:   %.loc27_18.2.temp = alloca {}, align 8, !dbg !43
    76. 

  76. // CHECK:STDOUT:   %_.var.loc21 = alloca {}, align 8, !dbg !44
    77. 

  77. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %_.var.loc15), !dbg !38
    78. 

  78. // CHECK:STDOUT:   store i32 1, ptr %_.var.loc15, align 4, !dbg !38
    79. 

  79. // CHECK:STDOUT:   call void @_COneVar_i32.Main(ptr %_.var.loc15), !dbg !45
    80. 

  80. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %_.var.loc16), !dbg !39
    81. 

  81. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %_.var.loc16, ptr align 1 @X.val.loc16, i64 0, i1 false), !dbg !39
    82. 

  82. // CHECK:STDOUT:   call void @_COneVar_X.Main(ptr %_.var.loc16), !dbg !46
    83. 

  83. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %_.var.loc18_12), !dbg !40
    84. 

  84. // CHECK:STDOUT:   store i32 1, ptr %_.var.loc18_12, align 4, !dbg !40
    85. 

  85. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %_.var.loc18_24), !dbg !41
    86. 

  86. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %_.var.loc18_24, ptr align 1 @X.val.loc16, i64 0, i1 false), !dbg !41
    87. 

  87. // CHECK:STDOUT:   call void @_CTwoVars.Main(ptr %_.var.loc18_12, ptr %_.var.loc18_24), !dbg !47
    88. 

  88. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %_.var.loc20), !dbg !42
    89. 

  89. // CHECK:STDOUT:   store i32 1, ptr %_.var.loc20, align 4, !dbg !42
    90. 

  90. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc27_18.2.temp), !dbg !43
    91. 

  91. // CHECK:STDOUT:   call void @_CVarThenLet.Main(ptr %_.var.loc20, ptr @X.val.loc16), !dbg !48
    92. 

  92. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %_.var.loc21), !dbg !44
    93. 

  93. // CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %_.var.loc21, ptr align 1 @X.val.loc16, i64 0, i1 false), !dbg !44
    94. 

  94. // CHECK:STDOUT:   call void @_CLetThenVar.Main(i32 1, ptr %_.var.loc21), !dbg !49
    95. 

  95. // CHECK:STDOUT:   call void @"_COp.607f187990247af9:core.Destroy.Core"(ptr %_.var.loc21), !dbg !44
    96. 

  96. // CHECK:STDOUT:   call void @"_COp.607f187990247af9:core.Destroy.Core"(ptr @X.val), !dbg !43
    97. 

  97. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %_.var.loc20), !dbg !42
    98. 

  98. // CHECK:STDOUT:   call void @"_COp.607f187990247af9:core.Destroy.Core"(ptr %_.var.loc18_24), !dbg !41
    99. 

  99. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %_.var.loc18_12), !dbg !40
    100. 

  100. // CHECK:STDOUT:   call void @"_COp.607f187990247af9:core.Destroy.Core"(ptr %_.var.loc16), !dbg !39
    101. 

  101. // CHECK:STDOUT:   call void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %_.var.loc15), !dbg !38
    102. 

  102. // CHECK:STDOUT:   ret void, !dbg !50
    103. 

  103. // CHECK:STDOUT: }
    104. 

  104. // CHECK:STDOUT:
    105. 

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

  106. // CHECK:STDOUT: define weak_odr void @"_COp.607f187990247af9:core.Destroy.Core"(ptr %self) #0 !dbg !51 {
    107. 

  107. // CHECK:STDOUT: entry:
    108. 

  108. // CHECK:STDOUT:   ret void, !dbg !54
    109. 

  109. // CHECK:STDOUT: }
    110. 

  110. // CHECK:STDOUT:
    111. 

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

  112. // CHECK:STDOUT: define weak_odr void @"_COp.7e389eab4a7e5487:core.Destroy.Core"(ptr %self) #0 !dbg !55 {
    113. 

  113. // CHECK:STDOUT: entry:
    114. 

  114. // CHECK:STDOUT:   ret void, !dbg !58
    115. 

  115. // CHECK:STDOUT: }
    116. 

  116. // CHECK:STDOUT:
    117. 

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

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

  119. // CHECK:STDOUT:
    120. 

  120. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
    121. 

  121. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT: ; uselistorder directives
    124. 

  124. // CHECK:STDOUT: uselistorder ptr @"_COp.607f187990247af9:core.Destroy.Core", { 3, 2, 1, 0 }
    125. 

  125. // CHECK:STDOUT: uselistorder ptr @"_COp.7e389eab4a7e5487:core.Destroy.Core", { 2, 1, 0 }
    126. 

  126. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 6, 5, 4, 3, 2, 1, 0 }
    127. 

  127. // CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 2, 1, 0 }
    128. 

  128. // CHECK:STDOUT:
    129. 

  129. // CHECK:STDOUT: attributes #0 = { nounwind }
    130. 

  130. // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    131. 

  131. // CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
    132. 

  132. // CHECK:STDOUT:
    133. 

  133. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    134. 

  134. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    135. 

  135. // CHECK:STDOUT:
    136. 

  136. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    137. 

  137. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    138. 

  138. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    139. 

  139. // CHECK:STDOUT: !3 = !DIFile(filename: "var_param.carbon", directory: "")
    140. 

  140. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "OneVar_i32", linkageName: "_COneVar_i32.Main", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !8)
    141. 

  141. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    142. 

  142. // CHECK:STDOUT: !6 = !{null, !7}
    143. 

  143. // CHECK:STDOUT: !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
    144. 

  144. // CHECK:STDOUT: !8 = !{!9}
    145. 

  145. // CHECK:STDOUT: !9 = !DILocalVariable(arg: 1, scope: !4, type: !7)
    146. 

  146. // CHECK:STDOUT: !10 = !DILocation(line: 15, column: 1, scope: !4)
    147. 

  147. // CHECK:STDOUT: !11 = distinct !DISubprogram(name: "OneVar_X", linkageName: "_COneVar_X.Main", scope: null, file: !3, line: 16, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !15)
    148. 

  148. // CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
    149. 

  149. // CHECK:STDOUT: !13 = !{null, !14}
    150. 

  150. // CHECK:STDOUT: !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
    151. 

  151. // CHECK:STDOUT: !15 = !{!16}
    152. 

  152. // CHECK:STDOUT: !16 = !DILocalVariable(arg: 1, scope: !11, type: !14)
    153. 

  153. // CHECK:STDOUT: !17 = !DILocation(line: 16, column: 1, scope: !11)
    154. 

  154. // CHECK:STDOUT: !18 = distinct !DISubprogram(name: "TwoVars", linkageName: "_CTwoVars.Main", scope: null, file: !3, line: 18, type: !19, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !21)
    155. 

  155. // CHECK:STDOUT: !19 = !DISubroutineType(types: !20)
    156. 

  156. // CHECK:STDOUT: !20 = !{null, !7, !14}
    157. 

  157. // CHECK:STDOUT: !21 = !{!22, !23}
    158. 

  158. // CHECK:STDOUT: !22 = !DILocalVariable(arg: 1, scope: !18, type: !7)
    159. 

  159. // CHECK:STDOUT: !23 = !DILocalVariable(arg: 2, scope: !18, type: !14)
    160. 

  160. // CHECK:STDOUT: !24 = !DILocation(line: 18, column: 1, scope: !18)
    161. 

  161. // CHECK:STDOUT: !25 = distinct !DISubprogram(name: "VarThenLet", linkageName: "_CVarThenLet.Main", scope: null, file: !3, line: 20, type: !19, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !26)
    162. 

  162. // CHECK:STDOUT: !26 = !{!27, !28}
    163. 

  163. // CHECK:STDOUT: !27 = !DILocalVariable(arg: 1, scope: !25, type: !7)
    164. 

  164. // CHECK:STDOUT: !28 = !DILocalVariable(arg: 2, scope: !25, type: !14)
    165. 

  165. // CHECK:STDOUT: !29 = !DILocation(line: 20, column: 1, scope: !25)
    166. 

  166. // CHECK:STDOUT: !30 = distinct !DISubprogram(name: "LetThenVar", linkageName: "_CLetThenVar.Main", scope: null, file: !3, line: 21, type: !19, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !31)
    167. 

  167. // CHECK:STDOUT: !31 = !{!32, !33}
    168. 

  168. // CHECK:STDOUT: !32 = !DILocalVariable(arg: 1, scope: !30, type: !7)
    169. 

  169. // CHECK:STDOUT: !33 = !DILocalVariable(arg: 2, scope: !30, type: !14)
    170. 

  170. // CHECK:STDOUT: !34 = !DILocation(line: 21, column: 1, scope: !30)
    171. 

  171. // CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Call", linkageName: "_CCall.Main", scope: null, file: !3, line: 23, type: !36, spFlags: DISPFlagDefinition, unit: !2)
    172. 

  172. // CHECK:STDOUT: !36 = !DISubroutineType(types: !37)
    173. 

  173. // CHECK:STDOUT: !37 = !{null}
    174. 

  174. // CHECK:STDOUT: !38 = !DILocation(line: 15, column: 15, scope: !35)
    175. 

  175. // CHECK:STDOUT: !39 = !DILocation(line: 16, column: 13, scope: !35)
    176. 

  176. // CHECK:STDOUT: !40 = !DILocation(line: 18, column: 12, scope: !35)
    177. 

  177. // CHECK:STDOUT: !41 = !DILocation(line: 18, column: 24, scope: !35)
    178. 

  178. // CHECK:STDOUT: !42 = !DILocation(line: 20, column: 15, scope: !35)
    179. 

  179. // CHECK:STDOUT: !43 = !DILocation(line: 27, column: 17, scope: !35)
    180. 

  180. // CHECK:STDOUT: !44 = !DILocation(line: 21, column: 23, scope: !35)
    181. 

  181. // CHECK:STDOUT: !45 = !DILocation(line: 24, column: 3, scope: !35)
    182. 

  182. // CHECK:STDOUT: !46 = !DILocation(line: 25, column: 3, scope: !35)
    183. 

  183. // CHECK:STDOUT: !47 = !DILocation(line: 26, column: 3, scope: !35)
    184. 

  184. // CHECK:STDOUT: !48 = !DILocation(line: 27, column: 3, scope: !35)
    185. 

  185. // CHECK:STDOUT: !49 = !DILocation(line: 28, column: 3, scope: !35)
    186. 

  186. // CHECK:STDOUT: !50 = !DILocation(line: 23, column: 1, scope: !35)
    187. 

  187. // CHECK:STDOUT: !51 = distinct !DISubprogram(name: "Op", linkageName: "_COp.607f187990247af9:core.Destroy.Core", scope: null, file: !3, line: 21, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !52)
    188. 

  188. // CHECK:STDOUT: !52 = !{!53}
    189. 

  189. // CHECK:STDOUT: !53 = !DILocalVariable(arg: 1, scope: !51, type: !14)
    190. 

  190. // CHECK:STDOUT: !54 = !DILocation(line: 21, column: 23, scope: !51)
    191. 

  191. // CHECK:STDOUT: !55 = distinct !DISubprogram(name: "Op", linkageName: "_COp.7e389eab4a7e5487:core.Destroy.Core", scope: null, file: !3, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !56)
    192. 

  192. // CHECK:STDOUT: !56 = !{!57}
    193. 

  193. // CHECK:STDOUT: !57 = !DILocalVariable(arg: 1, scope: !55, type: !7)
    194. 

  194. // CHECK:STDOUT: !58 = !DILocation(line: 20, column: 15, scope: !55)
    195.