forked from OSchip/llvm-project
54 lines
2.6 KiB
LLVM
54 lines
2.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -dwarf-version 4 \
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; RUN: -o - < %s | llvm-dwarfdump - -debug-dump=info \
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; RUN: | FileCheck %s -check-prefixes=CHECK,DWARF4
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; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -dwarf-version 5 \
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; RUN: -o - < %s | llvm-dwarfdump - -debug-dump=info \
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; RUN: | FileCheck %s -check-prefixes=CHECK,DWARF5
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; Check that we can omit default array lower-bounds.
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; DW_LANG_C_plus_plus_11 is new in DWARF v5, so if we use that with
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; DWARF v4, we should get the DW_AT_lower_bound attribute.
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source_filename = "test/DebugInfo/X86/default-subrange-array.ll"
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%class.A = type { [42 x i32] }
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@a = global %class.A zeroinitializer, align 4, !dbg !0
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; CHECK: DW_TAG_class_type
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name {{.*}} "x"
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; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] {{.*}} => {[[ARRAY:0x[0-9a-f]+]]})
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; CHECK: [[ARRAY]]: DW_TAG_array_type
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; CHECK-NEXT: DW_AT_type
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; CHECK: DW_TAG_subrange_type
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; CHECK-NEXT: DW_AT_type
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; DWARF4-NEXT: DW_AT_lower_bound [DW_FORM_data1] (0x00)
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; CHECK-NEXT: DW_AT_count [DW_FORM_data1] (0x2a)
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; DWARF5-NOT: DW_AT_lower_bound
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!llvm.dbg.cu = !{!14}
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!llvm.module.flags = !{!17}
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!0 = !DIGlobalVariableExpression(var: !1)
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!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "t.cpp", directory: "/Volumes/Sandbox/llvm")
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!3 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !2, line: 1, align: 32, elements: !4)
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!4 = !{!5, !10}
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!5 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !3, file: !2, line: 1, baseType: !6, flags: DIFlagPrivate)
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!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, align: 32, elements: !8)
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!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = !{!9}
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!9 = !DISubrange(count: 42, lowerBound: 0)
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!10 = !DISubprogram(name: "A", scope: !3, file: !2, line: 1, type: !11, isLocal: false, isDefinition: false, scopeLine: 1, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
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!11 = !DISubroutineType(types: !12)
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!12 = !{null, !13}
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!14 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_11, file: !2, producer: "clang version 3.3 (trunk 169136)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !15, retainedTypes: !15, globals: !16, imports: !15)
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!15 = !{}
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!16 = !{!0}
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!17 = !{i32 1, !"Debug Info Version", i32 3}
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