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// REQUIRES: target={{x86_64.*-linux.*}}
// Multiple inheritance case:
// For CBaseOne, CBaseTwo and CDerived we check:
// - Generation of their vtables (including attributes).
// - Generation of their '_vtable$' data members:
// * Correct scope and attributes
namespace NSP_1 {
struct CBaseOne {
int B1 = 1;
virtual int one() { return 1; }
virtual int two() { return 2; }
virtual int three() { return 3; }
};
}
namespace NSP_2 {
struct CBaseTwo {
int B2 = 1;
virtual int four() { return 4; }
virtual int five() { return 5; }
virtual int six() { return 6; }
};
}
struct CDerived : NSP_1::CBaseOne, NSP_2::CBaseTwo {
int D = 1;
int two() override { return 22; };
int six() override { return 66; }
};
int main() {
NSP_1::CBaseOne BaseOne;
NSP_2::CBaseTwo BaseTwo;
CDerived Derived;
return 0;
}
// RUN: %clang --target=x86_64-linux -Xclang -disable-O0-optnone -Xclang -disable-llvm-passes -emit-llvm -S -g %s -o - | FileCheck %s
// CHECK: $_ZTVN5NSP_18CBaseOneE = comdat any
// CHECK: $_ZTVN5NSP_28CBaseTwoE = comdat any
// CHECK: $_ZTV8CDerived = comdat any
// CHECK: @_ZTVN5NSP_18CBaseOneE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_ONE_VTABLE_VAR:![0-9]*]]
// CHECK: @_ZTVN5NSP_28CBaseTwoE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_TWO_VTABLE_VAR:![0-9]*]]
// CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]]
// CHECK: [[BASE_ONE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_ONE_VTABLE:![0-9]*]], expr: !DIExpression())
// CHECK-NEXT: [[BASE_ONE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_18CBaseOneE"
// CHECK: [[BASE_TWO_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_TWO_VTABLE:![0-9]*]], expr: !DIExpression())
// CHECK-NEXT: [[BASE_TWO_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_28CBaseTwoE"
// CHECK: [[TYPE:![0-9]*]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[BASE_TWO:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember)
// check: [[BASE_TWO]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CBaseTwo"
// CHECK: [[DERIVED_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[DERIVED_VTABLE:![0-9]*]], expr: !DIExpression())
// CHECK: [[DERIVED_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CDerived"
// CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[DERIVED:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember)
// CHECK: [[DERIVED]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CDerived"
// CHECK: [[BASE_ONE:![0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CBaseOne"
// CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[BASE_ONE]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember)
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