1 ; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -o %t < %s 2 ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s 3 ; <rdar://problem/12566646> 4 5 source_filename = "test/DebugInfo/X86/empty-array.ll" 6 7 %class.A = type { [0 x i32] } 8 9 @a = global %class.A zeroinitializer, align 4, !dbg !0 10 ; CHECK: DW_TAG_class_type 11 ; CHECK: DW_TAG_member 12 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "x") 13 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[ARRAY:0x[0-9a-f]*]]} 14 15 ; CHECK: [[ARRAY]]: DW_TAG_array_type [{{.*}}] * 16 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASETYPE:0x[0-9a-f]*]]} 17 18 ; CHECK: DW_TAG_subrange_type 19 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE2:0x[0-9a-f]*]]} 20 ; CHECK-NOT: DW_AT_upper_bound 21 22 ; CHECK: [[BASETYPE]]: DW_TAG_base_type 23 ; CHECK: [[BASE2]]: DW_TAG_base_type 24 ; CHECK-NEXT: DW_AT_name 25 ; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x08) 26 ; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (DW_ATE_unsigned) 27 28 !llvm.dbg.cu = !{!14} 29 !llvm.module.flags = !{!17} 30 31 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 32 !1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true) 33 !2 = !DIFile(filename: "t.cpp", directory: "/Volumes/Sandbox/llvm") 34 !3 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !2, line: 1, align: 32, elements: !4) 35 !4 = !{!5, !10} 36 !5 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !3, file: !2, line: 1, baseType: !6, flags: DIFlagPrivate) 37 !6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, align: 32, elements: !8) 38 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 39 !8 = !{!9} 40 !9 = !DISubrange(count: -1) 41 !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) 42 !11 = !DISubroutineType(types: !12) 43 !12 = !{null, !13} 44 !13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) 45 !14 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.3 (trunk 169136)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !15, retainedTypes: !15, globals: !16, imports: !15) 46 !15 = !{} 47 !16 = !{!0} 48 !17 = !{i32 1, !"Debug Info Version", i32 3} 49 50
