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71 lines
3.6 KiB
71 lines
3.6 KiB
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; Generated from the following C++ source code:
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;
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; struct A {
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; virtual void f();
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; virtual void g();
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; };
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;
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; void A::f() {}
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; void A::g() {}
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;
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; and manually edited to set virtualIndex attribute on the A::g subprogram to
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; 4294967295.
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; CHECK: DW_TAG_subprogram [
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; CHECK: DW_AT_vtable_elem_location [DW_FORM_exprloc] (<0x2> 10 00 )
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; CHECK: DW_TAG_subprogram [
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; CHECK-NOT: DW_AT_vtable_elem_location
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%struct.A = type { i32 (...)** }
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@_ZTV1A = unnamed_addr constant [4 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.A*)* @_ZN1A1fEv to i8*), i8* bitcast (void (%struct.A*)* @_ZN1A1gEv to i8*)], align 8
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define void @_ZN1A1fEv(%struct.A* %this) unnamed_addr !dbg !18 {
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ret void
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}
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define void @_ZN1A1gEv(%struct.A* %this) unnamed_addr !dbg !19 {
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ret void
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!20, !21}
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!llvm.ident = !{!22}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3)
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!1 = !DIFile(filename: "x", directory: "x")
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!2 = !{}
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 64, align: 64, elements: !5, vtableHolder: !4, identifier: "_ZTS1A")
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!5 = !{!6, !12, !16}
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!6 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !7, size: 64, flags: DIFlagArtificial)
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!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: !9, size: 64)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11}
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!11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !DISubprogram(name: "f", linkageName: "_ZN1A1fEv", scope: !4, file: !1, line: 2, type: !13, isLocal: false, isDefinition: false, scopeLine: 2, containingType: !4, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPrototyped, isOptimized: false)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null, !15}
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!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!16 = !DISubprogram(name: "g", linkageName: "_ZN1A1gEv", scope: !4, file: !1, line: 3, type: !13, isLocal: false, isDefinition: false, scopeLine: 3, containingType: !4, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 4294967295, flags: DIFlagPrototyped, isOptimized: false)
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!18 = distinct !DISubprogram(name: "f", linkageName: "_ZN1A1fEv", scope: !4, file: !1, line: 6, type: !13, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !12, variables: !2)
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!19 = distinct !DISubprogram(name: "g", linkageName: "_ZN1A1gEv", scope: !4, file: !1, line: 7, type: !13, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !16, variables: !2)
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!20 = !{i32 2, !"Dwarf Version", i32 4}
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!21 = !{i32 2, !"Debug Info Version", i32 3}
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!22 = !{!"clang version 3.9.0 (trunk 263469) (llvm/trunk 263156)"}
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!23 = !DILocalVariable(name: "this", arg: 1, scope: !18, type: !24, flags: DIFlagArtificial | DIFlagObjectPointer)
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!24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64)
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!25 = !DIExpression()
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!26 = !DILocation(line: 0, scope: !18)
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!27 = !DILocation(line: 6, column: 14, scope: !18)
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!28 = !DILocalVariable(name: "this", arg: 1, scope: !19, type: !24, flags: DIFlagArtificial | DIFlagObjectPointer)
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!29 = !DILocation(line: 0, scope: !19)
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!30 = !DILocation(line: 7, column: 14, scope: !19)
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