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| ; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
| ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
|
| ; Check that the friend tag is there and is followed by a DW_AT_friend that has a reference back.
|
| ; CHECK: [[BACK:0x[0-9a-f]*]]: DW_TAG_class_type
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "A")
| ; CHECK: DW_TAG_friend
| ; CHECK-NEXT: DW_AT_friend [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BACK]]})
|
| source_filename = "test/DebugInfo/X86/DW_TAG_friend.ll"
|
| %class.A = type { i32 }
| %class.B = type { i32 }
|
| @a = global %class.A zeroinitializer, align 4, !dbg !0
| @b = global %class.B zeroinitializer, align 4, !dbg !11
|
| !llvm.dbg.cu = !{!21}
| !llvm.module.flags = !{!24}
|
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
| !1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 10, type: !3, isLocal: false, isDefinition: true)
| !2 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo/tmp")
| !3 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !2, line: 1, size: 32, align: 32, elements: !4)
| !4 = !{!5, !7}
| !5 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !3, file: !2, line: 2, baseType: !6, size: 32, align: 32, flags: DIFlagPrivate)
| !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
| !7 = !DISubprogram(name: "A", scope: !3, file: !2, line: 1, type: !8, isLocal: false, isDefinition: false, scopeLine: 1, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
| !8 = !DISubroutineType(types: !9)
| !9 = !{null, !10}
| !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64, flags: DIFlagArtificial)
| !11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
| !12 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 11, type: !13, isLocal: false, isDefinition: true)
| !13 = !DICompositeType(tag: DW_TAG_class_type, name: "B", file: !2, line: 5, size: 32, align: 32, elements: !14)
| !14 = !{!15, !16, !20}
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !13, file: !2, line: 7, baseType: !6, size: 32, align: 32, flags: DIFlagPrivate)
| !16 = !DISubprogram(name: "B", scope: !13, file: !2, line: 5, type: !17, isLocal: false, isDefinition: false, scopeLine: 5, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
| !17 = !DISubroutineType(types: !18)
| !18 = !{null, !19}
| !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64, align: 64, flags: DIFlagArtificial)
| !20 = !DIDerivedType(tag: DW_TAG_friend, file: !2, baseType: !3)
| !21 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.1 (trunk 153413) (llvm/trunk 153428)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !22, retainedTypes: !22, globals: !23, imports: !22)
| !22 = !{}
| !23 = !{!0, !11}
| !24 = !{i32 1, !"Debug Info Version", i32 3}
|
|