| // Simple inheritance case: |
| // For CBase and CDerived we check: |
| // - Generation of their vtables (including attributes). |
| // - Generation of their '_vtable$' data members: |
| // * Correct scope and attributes |
| |
| namespace NSP { |
| struct CBase { |
| unsigned B = 1; |
| virtual void zero() {} |
| virtual int one() { return 1; } |
| virtual int two() { return 2; } |
| virtual int three() { return 3; } |
| }; |
| } |
| |
| struct CDerived : NSP::CBase { |
| unsigned D = 2; |
| void zero() override {} |
| int two() override { return 22; }; |
| int three() override { return 33; } |
| }; |
| |
| int main() { |
| NSP::CBase Base; |
| CDerived Derived; |
| |
| return 0; |
| } |
| |
| // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O0 -disable-llvm-passes %s -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 -disable-llvm-passes %s -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple x86_64-mingw -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O0 -disable-llvm-passes %s -o - | FileCheck %s --check-prefix=COFF |
| |
| // CHECK: $_ZTVN3NSP5CBaseE = comdat any |
| // CHECK: $_ZTV8CDerived = comdat any |
| |
| // CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] |
| // CHECK: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] |
| // COFF: @_ZTVN3NSP5CBaseE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8 |
| // COFF-NOT: !dbg |
| // COFF-SAME: {{$}} |
| // COFF: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8 |
| // COFF-NOT: !dbg |
| // COFF-SAME: {{$}} |
| |
| // CHECK: [[BASE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_VTABLE:![0-9]*]], expr: !DIExpression()) |
| // CHECK-NEXT: [[BASE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN3NSP5CBaseE" |
| |
| // CHECK: [[DERIVED_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[DERIVED_VTABLE:![0-9]*]], expr: !DIExpression()) |
| // CHECK-NEXT: [[DERIVED_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CDerived" |
| |
| // CHECK: [[TYPE:![0-9]*]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) |
| |
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[DERIVED:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) |
| |
| // CHECK: [[DERIVED]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CDerived" |
| |
| // CHECK: [[BASE:![0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CBase" |
| |
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[BASE]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) |
