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1; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -dwarf-version 4 \2; RUN: -o - < %s | llvm-dwarfdump -v - --debug-info \3; RUN: | FileCheck %s -check-prefixes=CHECK,DWARF44; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -dwarf-version 5 \5; RUN: -o - < %s | llvm-dwarfdump -v - --debug-info \6; RUN: | FileCheck %s -check-prefixes=CHECK,DWARF57 8; Check that we can omit default array lower-bounds.9; DW_LANG_C_plus_plus_11 is new in DWARF v5, so if we use that with10; DWARF v4, we should get the DW_AT_lower_bound attribute.11 12source_filename = "test/DebugInfo/X86/default-subrange-array.ll"13 14%class.A = type { [42 x i32] }15 16@a = global %class.A zeroinitializer, align 4, !dbg !017 18; CHECK: DW_TAG_class_type19; CHECK: DW_TAG_member20; CHECK-NEXT: DW_AT_name {{.*}} "x"21; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] {{.*}} => {[[ARRAY:0x[0-9a-f]+]]}22 23; CHECK: [[ARRAY]]: DW_TAG_array_type24; CHECK-NEXT: DW_AT_type25; CHECK: DW_TAG_subrange_type26; CHECK-NEXT: DW_AT_type27; DWARF4-NEXT: DW_AT_lower_bound [DW_FORM_sdata] (0)28; CHECK-NEXT: DW_AT_count [DW_FORM_data1] (0x2a)29; DWARF5-NOT: DW_AT_lower_bound30 31 32!llvm.dbg.cu = !{!14}33!llvm.module.flags = !{!17}34 35!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())36!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)37!2 = !DIFile(filename: "t.cpp", directory: "/Volumes/Sandbox/llvm")38!3 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !2, line: 1, align: 32, elements: !4)39!4 = !{!5, !10}40!5 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !3, file: !2, line: 1, baseType: !6, flags: DIFlagPrivate)41!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, align: 32, elements: !8)42!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)43!8 = !{!9}44!9 = !DISubrange(count: 42, lowerBound: 0)45!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)46!11 = !DISubroutineType(types: !12)47!12 = !{null, !13}48!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)49!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)50!15 = !{}51!16 = !{!0}52!17 = !{i32 1, !"Debug Info Version", i32 3}53 54