| ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t |
| ; RUN: llvm-dwarfdump -v %t | FileCheck %s |
| |
| ; Generated from the following C++ source code: |
| ; |
| ; struct A { |
| ; virtual void f(); |
| ; virtual void g(); |
| ; }; |
| ; |
| ; void A::f() {} |
| ; void A::g() {} |
| ; |
| ; and manually edited to set virtualIndex attribute on the A::g subprogram to |
| ; 4294967295. |
| |
| ; CHECK: DW_TAG_subprogram [ |
| ; CHECK: DW_AT_vtable_elem_location [DW_FORM_exprloc] (DW_OP_constu 0x0) |
| |
| ; CHECK: DW_TAG_subprogram [ |
| ; CHECK-NOT: DW_AT_vtable_elem_location |
| |
| %struct.A = type { i32 (...)** } |
| |
| @_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 |
| |
| define void @_ZN1A1fEv(%struct.A* %this) unnamed_addr !dbg !18 { |
| ret void |
| } |
| |
| define void @_ZN1A1gEv(%struct.A* %this) unnamed_addr !dbg !19 { |
| ret void |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!20, !21} |
| !llvm.ident = !{!22} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3) |
| !1 = !DIFile(filename: "x", directory: "x") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 64, align: 64, elements: !5, vtableHolder: !4, identifier: "_ZTS1A") |
| !5 = !{!6, !12, !16} |
| !6 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !7, size: 64, flags: DIFlagArtificial) |
| !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64) |
| !8 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: !9, size: 64) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{!11} |
| !11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !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) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{null, !15} |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !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) |
| !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, retainedNodes: !2) |
| !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, retainedNodes: !2) |
| !20 = !{i32 2, !"Dwarf Version", i32 4} |
| !21 = !{i32 2, !"Debug Info Version", i32 3} |
| !22 = !{!"clang version 3.9.0 (trunk 263469) (llvm/trunk 263156)"} |
| !23 = !DILocalVariable(name: "this", arg: 1, scope: !18, type: !24, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64) |
| !25 = !DIExpression() |
| !26 = !DILocation(line: 0, scope: !18) |
| !27 = !DILocation(line: 6, column: 14, scope: !18) |
| !28 = !DILocalVariable(name: "this", arg: 1, scope: !19, type: !24, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !29 = !DILocation(line: 0, scope: !19) |
| !30 = !DILocation(line: 7, column: 14, scope: !19) |