array_element_access.carbon 8.0 KB

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
  6. //
  7. // AUTOUPDATE
  8. // TIP: To test this file alone, run:
  9. // TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/index/array_element_access.carbon
  10. // TIP: To dump output, run:
  11. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/index/array_element_access.carbon
  12. fn A() -> (i32, i32) { return (1, 2); }
  13. fn B() -> array(i32, 2) { return (1, 2); }
  14. fn Run() {
  15. var a: array(i32, 2) = A();
  16. var b: i32 = 1;
  17. var _: i32 = a[b];
  18. var _: i32 = B()[1];
  19. }
  20. // CHECK:STDOUT: ; ModuleID = 'array_element_access.carbon'
  21. // CHECK:STDOUT: source_filename = "array_element_access.carbon"
  22. // CHECK:STDOUT:
  23. // CHECK:STDOUT: @tuple.21c.loc12_37 = internal constant { i32, i32 } { i32 1, i32 2 }
  24. // CHECK:STDOUT: @array.loc14_40 = internal constant [2 x i32] [i32 1, i32 2]
  25. // CHECK:STDOUT:
  26. // CHECK:STDOUT: ; Function Attrs: nounwind
  27. // CHECK:STDOUT: define void @_CA.Main(ptr sret({ i32, i32 }) %return) #0 !dbg !4 {
  28. // CHECK:STDOUT: entry:
  29. // CHECK:STDOUT: %tuple.elem0.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 0, !dbg !8
  30. // CHECK:STDOUT: %tuple.elem1.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 1, !dbg !8
  31. // CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %return, ptr align 4 @tuple.21c.loc12_37, i64 8, i1 false), !dbg !9
  32. // CHECK:STDOUT: ret void, !dbg !9
  33. // CHECK:STDOUT: }
  34. // CHECK:STDOUT:
  35. // CHECK:STDOUT: ; Function Attrs: nounwind
  36. // CHECK:STDOUT: define void @_CB.Main(ptr sret([2 x i32]) %return) #0 !dbg !10 {
  37. // CHECK:STDOUT: entry:
  38. // CHECK:STDOUT: %.loc14_39.3.array.index = getelementptr inbounds [2 x i32], ptr %return, i32 0, i64 0, !dbg !11
  39. // CHECK:STDOUT: %.loc14_39.6.array.index = getelementptr inbounds [2 x i32], ptr %return, i32 0, i64 1, !dbg !11
  40. // CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %return, ptr align 4 @array.loc14_40, i64 8, i1 false), !dbg !12
  41. // CHECK:STDOUT: ret void, !dbg !12
  42. // CHECK:STDOUT: }
  43. // CHECK:STDOUT:
  44. // CHECK:STDOUT: ; Function Attrs: nounwind
  45. // CHECK:STDOUT: define void @main() #0 !dbg !13 {
  46. // CHECK:STDOUT: entry:
  47. // CHECK:STDOUT: %a.var = alloca [2 x i32], align 4, !dbg !16
  48. // CHECK:STDOUT: %.loc17_28.1.temp = alloca { i32, i32 }, align 8, !dbg !17
  49. // CHECK:STDOUT: %b.var = alloca i32, align 4, !dbg !18
  50. // CHECK:STDOUT: %_.var.loc19 = alloca i32, align 4, !dbg !19
  51. // CHECK:STDOUT: %_.var.loc20 = alloca i32, align 4, !dbg !20
  52. // CHECK:STDOUT: %.loc20_18.1.temp = alloca [2 x i32], align 4, !dbg !21
  53. // CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %a.var), !dbg !16
  54. // CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc17_28.1.temp), !dbg !17
  55. // CHECK:STDOUT: call void @_CA.Main(ptr %.loc17_28.1.temp), !dbg !17
  56. // CHECK:STDOUT: %tuple.elem0.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc17_28.1.temp, i32 0, i32 0, !dbg !17
  57. // CHECK:STDOUT: %.loc17_28.3 = load i32, ptr %tuple.elem0.tuple.elem, align 4, !dbg !17
  58. // CHECK:STDOUT: %.loc17_28.4.array.index = getelementptr inbounds [2 x i32], ptr %a.var, i32 0, i64 0, !dbg !17
  59. // CHECK:STDOUT: store i32 %.loc17_28.3, ptr %.loc17_28.4.array.index, align 4, !dbg !17
  60. // CHECK:STDOUT: %tuple.elem1.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc17_28.1.temp, i32 0, i32 1, !dbg !17
  61. // CHECK:STDOUT: %.loc17_28.6 = load i32, ptr %tuple.elem1.tuple.elem, align 4, !dbg !17
  62. // CHECK:STDOUT: %.loc17_28.7.array.index = getelementptr inbounds [2 x i32], ptr %a.var, i32 0, i64 1, !dbg !17
  63. // CHECK:STDOUT: store i32 %.loc17_28.6, ptr %.loc17_28.7.array.index, align 4, !dbg !17
  64. // CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %b.var), !dbg !18
  65. // CHECK:STDOUT: store i32 1, ptr %b.var, align 4, !dbg !18
  66. // CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var.loc19), !dbg !19
  67. // CHECK:STDOUT: %.loc19_18 = load i32, ptr %b.var, align 4, !dbg !22
  68. // CHECK:STDOUT: %.loc19_19.1.array.index = getelementptr inbounds [2 x i32], ptr %a.var, i32 0, i32 %.loc19_18, !dbg !23
  69. // CHECK:STDOUT: %.loc19_19.2 = load i32, ptr %.loc19_19.1.array.index, align 4, !dbg !23
  70. // CHECK:STDOUT: store i32 %.loc19_19.2, ptr %_.var.loc19, align 4, !dbg !19
  71. // CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var.loc20), !dbg !20
  72. // CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc20_18.1.temp), !dbg !21
  73. // CHECK:STDOUT: call void @_CB.Main(ptr %.loc20_18.1.temp), !dbg !21
  74. // CHECK:STDOUT: %.loc20_21.1.array.index = getelementptr inbounds [2 x i32], ptr %.loc20_18.1.temp, i32 0, i32 1, !dbg !21
  75. // CHECK:STDOUT: %.loc20_21.2 = load i32, ptr %.loc20_21.1.array.index, align 4, !dbg !21
  76. // CHECK:STDOUT: store i32 %.loc20_21.2, ptr %_.var.loc20, align 4, !dbg !20
  77. // CHECK:STDOUT: ret void, !dbg !24
  78. // CHECK:STDOUT: }
  79. // CHECK:STDOUT:
  80. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
  81. // CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
  82. // CHECK:STDOUT:
  83. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
  84. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #2
  85. // CHECK:STDOUT:
  86. // CHECK:STDOUT: ; uselistorder directives
  87. // CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 1, 0 }
  88. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 5, 4, 3, 2, 1, 0 }
  89. // CHECK:STDOUT:
  90. // CHECK:STDOUT: attributes #0 = { nounwind }
  91. // CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
  92. // CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
  93. // CHECK:STDOUT:
  94. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
  95. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
  96. // CHECK:STDOUT:
  97. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
  98. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
  99. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
  100. // CHECK:STDOUT: !3 = !DIFile(filename: "array_element_access.carbon", directory: "")
  101. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main", scope: null, file: !3, line: 12, type: !5, spFlags: DISPFlagDefinition, unit: !2)
  102. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
  103. // CHECK:STDOUT: !6 = !{!7}
  104. // CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
  105. // CHECK:STDOUT: !8 = !DILocation(line: 12, column: 31, scope: !4)
  106. // CHECK:STDOUT: !9 = !DILocation(line: 12, column: 24, scope: !4)
  107. // CHECK:STDOUT: !10 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main", scope: null, file: !3, line: 14, type: !5, spFlags: DISPFlagDefinition, unit: !2)
  108. // CHECK:STDOUT: !11 = !DILocation(line: 14, column: 34, scope: !10)
  109. // CHECK:STDOUT: !12 = !DILocation(line: 14, column: 27, scope: !10)
  110. // CHECK:STDOUT: !13 = distinct !DISubprogram(name: "Run", linkageName: "main", scope: null, file: !3, line: 16, type: !14, spFlags: DISPFlagDefinition, unit: !2)
  111. // CHECK:STDOUT: !14 = !DISubroutineType(types: !15)
  112. // CHECK:STDOUT: !15 = !{null}
  113. // CHECK:STDOUT: !16 = !DILocation(line: 17, column: 3, scope: !13)
  114. // CHECK:STDOUT: !17 = !DILocation(line: 17, column: 26, scope: !13)
  115. // CHECK:STDOUT: !18 = !DILocation(line: 18, column: 3, scope: !13)
  116. // CHECK:STDOUT: !19 = !DILocation(line: 19, column: 3, scope: !13)
  117. // CHECK:STDOUT: !20 = !DILocation(line: 20, column: 3, scope: !13)
  118. // CHECK:STDOUT: !21 = !DILocation(line: 20, column: 16, scope: !13)
  119. // CHECK:STDOUT: !22 = !DILocation(line: 19, column: 18, scope: !13)
  120. // CHECK:STDOUT: !23 = !DILocation(line: 19, column: 16, scope: !13)
  121. // CHECK:STDOUT: !24 = !DILocation(line: 16, column: 1, scope: !13)