| ; RUN: llc < %s -filetype=obj -o - | llvm-readobj - -codeview | FileCheck %s |
| |
| ; C++ source to regenerate: |
| ; $ cat t.cpp |
| ; struct A { int a; }; |
| ; struct B : virtual A { int b; }; |
| ; struct C : virtual A { int c; }; |
| ; struct D : B, C { |
| ; virtual void f(); // make vbptr not offset zero |
| ; int d; |
| ; }; |
| ; D d; |
| ; $ clang -fno-rtti -g -gcodeview t.cpp -emit-llvm -S -o t.ll -O1 |
| |
| ; D's field list comes first. |
| ; CHECK: FieldList ({{.*}}) { |
| ; CHECK-NEXT: TypeLeafKind: LF_FIELDLIST (0x1203) |
| ; CHECK-NEXT: BaseClass { |
| ; CHECK-NEXT: TypeLeafKind: LF_BCLASS (0x1400) |
| ; CHECK-NEXT: AccessSpecifier: Public (0x3) |
| ; CHECK-NEXT: BaseType: B ({{.*}}) |
| ; CHECK-NEXT: BaseOffset: 0x8 |
| ; CHECK-NEXT: } |
| ; CHECK-NEXT: BaseClass { |
| ; CHECK-NEXT: TypeLeafKind: LF_BCLASS (0x1400) |
| ; CHECK-NEXT: AccessSpecifier: Public (0x3) |
| ; CHECK-NEXT: BaseType: C ({{.*}}) |
| ; CHECK-NEXT: BaseOffset: 0x18 |
| ; CHECK-NEXT: } |
| ; CHECK-NEXT: IndirectVirtualBaseClass { |
| ; CHECK-NEXT: TypeLeafKind: LF_IVBCLASS (0x1402) |
| ; CHECK-NEXT: AccessSpecifier: Public (0x3) |
| ; CHECK-NEXT: BaseType: A ({{.*}}) |
| ; CHECK-NEXT: VBPtrType: const int* ({{.*}}) |
| ; CHECK-NEXT: VBPtrOffset: 0x0 |
| ; CHECK-NEXT: VBTableIndex: 0x1 |
| ; CHECK-NEXT: } |
| ; CHECK: } |
| |
| ; Then B's field list. |
| ; CHECK: FieldList ({{.*}}) { |
| ; CHECK-NEXT: TypeLeafKind: LF_FIELDLIST (0x1203) |
| ; CHECK-NEXT: VirtualBaseClass { |
| ; CHECK-NEXT: TypeLeafKind: LF_VBCLASS (0x1401) |
| ; CHECK-NEXT: AccessSpecifier: Public (0x3) |
| ; CHECK-NEXT: BaseType: A ({{.*}}) |
| ; CHECK-NEXT: VBPtrType: const int* ({{.*}}) |
| ; CHECK-NEXT: VBPtrOffset: 0x0 |
| ; CHECK-NEXT: VBTableIndex: 0x1 |
| ; CHECK-NEXT: } |
| ; CHECK: } |
| |
| ; Then C's field list. |
| ; CHECK: FieldList ({{.*}}) { |
| ; CHECK-NEXT: TypeLeafKind: LF_FIELDLIST (0x1203) |
| ; CHECK-NEXT: VirtualBaseClass { |
| ; CHECK-NEXT: TypeLeafKind: LF_VBCLASS (0x1401) |
| ; CHECK-NEXT: AccessSpecifier: Public (0x3) |
| ; CHECK-NEXT: BaseType: A ({{.*}}) |
| ; CHECK-NEXT: VBPtrType: const int* ({{.*}}) |
| ; CHECK-NEXT: VBPtrOffset: 0x0 |
| ; CHECK-NEXT: VBTableIndex: 0x1 |
| ; CHECK-NEXT: } |
| ; CHECK: } |
| |
| ; ModuleID = 't.cpp' |
| source_filename = "t.cpp" |
| target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-windows-msvc19.0.23918" |
| |
| %struct.D = type { i32 (...)**, %struct.B.base, %struct.C.base, i32, [4 x i8], %struct.A } |
| %struct.B.base = type { i32*, i32 } |
| %struct.C.base = type { i32*, i32 } |
| %struct.A = type { i32 } |
| |
| $"\01??_8D@@7BB@@@" = comdat any |
| |
| $"\01??_8D@@7BC@@@" = comdat any |
| |
| $"\01??_7D@@6B@" = comdat any |
| |
| @"\01?d@@3UD@@A" = local_unnamed_addr global %struct.D { i32 (...)** bitcast ([1 x i8*]* @"\01??_7D@@6B@" to i32 (...)**), %struct.B.base { i32* getelementptr inbounds ([2 x i32], [2 x i32]* @"\01??_8D@@7BB@@@", i32 0, i32 0), i32 0 }, %struct.C.base { i32* getelementptr inbounds ([2 x i32], [2 x i32]* @"\01??_8D@@7BC@@@", i32 0, i32 0), i32 0 }, i32 0, [4 x i8] zeroinitializer, %struct.A zeroinitializer }, align 8, !dbg !0 |
| @"\01??_8D@@7BB@@@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 40], comdat |
| @"\01??_8D@@7BC@@@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 24], comdat |
| @"\01??_7D@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (void (%struct.D*)* @"\01?f@D@@UEAAXXZ" to i8*)], comdat |
| @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer |
| |
| declare void @"\01?f@D@@UEAAXXZ"(%struct.D*) unnamed_addr #0 |
| |
| attributes #0 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| !llvm.dbg.cu = !{!1} |
| !llvm.module.flags = !{!31, !32, !33} |
| !llvm.ident = !{!34} |
| |
| !0 = distinct !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "d", linkageName: "\01?d@@3UD@@A", scope: !1, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true)) |
| !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 95626d54d6db7e13087089396a80ebaccc4ffe7c) (http://llvm.org/git/llvm.git 374b6e2fa0b230d13c0fb9ee7af69b2146bfad8a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4) |
| !2 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild") |
| !3 = !{} |
| !4 = !{!0} |
| !5 = !DIFile(filename: "t.cpp", directory: "C:\5Cbuild\5Cllvm\5Cbuild") |
| !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "D", file: !5, line: 4, size: 448, elements: !7, vtableHolder: !6, identifier: ".?AUD@@") |
| !7 = !{!8, !17, !22, !23, !24, !26, !27} |
| !8 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !6, baseType: !9, offset: 64) |
| !9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "B", file: !5, line: 2, size: 192, elements: !10, vtableHolder: !9, identifier: ".?AUB@@") |
| !10 = !{!11, !16} |
| !11 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !9, baseType: !12, offset: 4, flags: DIFlagVirtual) |
| !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !5, line: 1, size: 32, elements: !13, identifier: ".?AUA@@") |
| !13 = !{!14} |
| !14 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !12, file: !5, line: 1, baseType: !15, size: 32) |
| !15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !16 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !9, file: !5, line: 2, baseType: !15, size: 32, offset: 64) |
| !17 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !6, baseType: !18, offset: 192) |
| !18 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !5, line: 3, size: 192, elements: !19, vtableHolder: !18, identifier: ".?AUC@@") |
| !19 = !{!20, !21} |
| !20 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !18, baseType: !12, offset: 4, flags: DIFlagVirtual) |
| !21 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !18, file: !5, line: 3, baseType: !15, size: 32, offset: 64) |
| !22 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !6, baseType: !12, offset: 4, flags: DIFlagIndirectVirtualBase) |
| !23 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: null, size: 64) |
| !24 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$D", scope: !5, file: !5, baseType: !25, size: 64, flags: DIFlagArtificial) |
| !25 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23, size: 64) |
| !26 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !6, file: !5, line: 6, baseType: !15, size: 32, offset: 320) |
| !27 = !DISubprogram(name: "f", linkageName: "\01?f@D@@UEAAXXZ", scope: !6, file: !5, line: 5, type: !28, isLocal: false, isDefinition: false, scopeLine: 5, containingType: !6, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: true) |
| !28 = !DISubroutineType(types: !29) |
| !29 = !{null, !30} |
| !30 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !31 = !{i32 2, !"CodeView", i32 1} |
| !32 = !{i32 2, !"Debug Info Version", i32 3} |
| !33 = !{i32 1, !"PIC Level", i32 2} |
| !34 = !{!"clang version 4.0.0 (http://llvm.org/git/clang.git 95626d54d6db7e13087089396a80ebaccc4ffe7c) (http://llvm.org/git/llvm.git 374b6e2fa0b230d13c0fb9ee7af69b2146bfad8a)"} |