// RUN: %clang_cc1 -std=c++14 -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts %s 2>/dev/null \
// RUN: | FileCheck %s --strict-whitespace
#pragma pack(push, 8)
class B {
public:
virtual void b(){}
int b_field;
protected:
private:
};
class A : public B {
public:
int a_field;
virtual void a(){}
char one;
protected:
private:
};
class D {
public:
virtual void b(){}
double a;
};
class C : public virtual A,
public D, public B {
public:
double c1_field;
int c2_field;
double c3_field;
int c4_field;
virtual void foo(){}
virtual void bar(){}
protected:
private:
};
struct BaseStruct
{
BaseStruct(){}
double v0;
float v1;
C fg;
};
struct DerivedStruct : public BaseStruct {
int x;
};
struct G
{
int g_field;
};
struct H : public G,
public virtual D
{
};
struct I : public virtual D
{
virtual ~I(){}
double q;
};
struct K
{
int k;
};
struct L
{
int l;
};
struct M : public virtual K
{
int m;
};
struct N : public L, public M
{
virtual void f(){}
};
struct O : public H, public G {
virtual void fo(){}
};
struct P : public M, public virtual L {
int p;
};
struct R {};
class IA {
public:
virtual ~IA(){}
virtual void ia() = 0;
};
class ICh : public virtual IA {
public:
virtual ~ICh(){}
virtual void ia(){}
virtual void iCh(){}
};
struct f {
virtual int asd() {return -90;}
};
struct s : public virtual f {
virtual ~s(){}
int r;
virtual int asd() {return -9;}
};
struct sd : virtual s, virtual ICh {
virtual ~sd(){}
int q;
char y;
virtual int asd() {return -1;}
};
struct AV {
virtual void foo();
};
struct BV : AV {
};
struct CV : virtual BV {
CV();
virtual void foo();
};
struct DV : BV {
};
struct EV : CV, DV {
};
#pragma pack(pop)
// This needs only for building layouts.
// Without this clang doesn`t dump record layouts.
int main() {
// This avoid "Can't yet mangle constructors!" for MS ABI.
C* c;
c->foo();
DerivedStruct v;
H g;
BaseStruct* u;
I i;
N n;
O o;
P p;
R r;
sd h;
EV j;
return 0;
}
// CHECK-LABEL: 0 | class B{{$}}
// CHECK-NEXT: 0 | (B vftable pointer)
// CHECK-NEXT: 4 | int b_field
// CHECK-NEXT: sizeof=8, align=4
// CHECK-NEXT: nvsize=8, nvalign=4
// CHECK-LABEL: 0 | class A{{$}}
// CHECK-NEXT: 0 | class B (primary base)
// CHECK-NEXT: 0 | (B vftable pointer)
// CHECK-NEXT: 4 | int b_field
// CHECK-NEXT: 8 | int a_field
// CHECK-NEXT: 12 | char one
// CHECK-NEXT: sizeof=16, align=4
// CHECK-NEXT: nvsize=16, nvalign=4
// CHECK-LABEL: 0 | class D{{$}}
// CHECK-NEXT: 0 | (D vftable pointer)
// CHECK-NEXT: 8 | double a
// CHECK-NEXT: sizeof=16, align=8
// CHECK-NEXT: nvsize=16, nvalign=8
// CHECK-LABEL: 0 | class C{{$}}
// CHECK-NEXT: 0 | class D (primary base)
// CHECK-NEXT: 0 | (D vftable pointer)
// CHECK-NEXT: 8 | double a
// CHECK-NEXT: 16 | class B (base)
// CHECK-NEXT: 16 | (B vftable pointer)
// CHECK-NEXT: 20 | int b_field
// CHECK-NEXT: 24 | (C vbtable pointer)
// CHECK-NEXT: 32 | double c1_field
// CHECK-NEXT: 40 | int c2_field
// CHECK-NEXT: 48 | double c3_field
// CHECK-NEXT: 56 | int c4_field
// CHECK-NEXT: 64 | class A (virtual base)
// CHECK-NEXT: 64 | class B (primary base)
// CHECK-NEXT: 64 | (B vftable pointer)
// CHECK-NEXT: 68 | int b_field
// CHECK-NEXT: 72 | int a_field
// CHECK-NEXT: 76 | char one
// CHECK-NEXT: sizeof=80, align=8
// CHECK-NEXT: nvsize=64, nvalign=8
// CHECK-LABEL: 0 | struct BaseStruct{{$}}
// CHECK-NEXT: 0 | double v0
// CHECK-NEXT: 8 | float v1
// CHECK-NEXT: 16 | class C fg
// CHECK-NEXT: 16 | class D (primary base)
// CHECK-NEXT: 16 | (D vftable pointer)
// CHECK-NEXT: 24 | double a
// CHECK-NEXT: 32 | class B (base)
// CHECK-NEXT: 32 | (B vftable pointer)
// CHECK-NEXT: 36 | int b_field
// CHECK-NEXT: 40 | (C vbtable pointer)
// CHECK-NEXT: 48 | double c1_field
// CHECK-NEXT: 56 | int c2_field
// CHECK-NEXT: 64 | double c3_field
// CHECK-NEXT: 72 | int c4_field
// CHECK-NEXT: 80 | class A (virtual base)
// CHECK-NEXT: 80 | class B (primary base)
// CHECK-NEXT: 80 | (B vftable pointer)
// CHECK-NEXT: 84 | int b_field
// CHECK-NEXT: 88 | int a_field
// CHECK-NEXT: 92 | char one
// CHECK-NEXT: sizeof=96, align=8
// CHECK-NEXT: nvsize=96, nvalign=8
// CHECK-LABEL: 0 | struct DerivedStruct{{$}}
// CHECK-NEXT: 0 | struct BaseStruct (base)
// CHECK-NEXT: 0 | double v0
// CHECK-NEXT: 8 | float v1
// CHECK-NEXT: 16 | class C fg
// CHECK-NEXT: 16 | class D (primary base)
// CHECK-NEXT: 16 | (D vftable pointer)
// CHECK-NEXT: 24 | double a
// CHECK-NEXT: 32 | class B (base)
// CHECK-NEXT: 32 | (B vftable pointer)
// CHECK-NEXT: 36 | int b_field
// CHECK-NEXT: 40 | (C vbtable pointer)
// CHECK-NEXT: 48 | double c1_field
// CHECK-NEXT: 56 | int c2_field
// CHECK-NEXT: 64 | double c3_field
// CHECK-NEXT: 72 | int c4_field
// CHECK-NEXT: 80 | class A (virtual base)
// CHECK-NEXT: 80 | class B (primary base)
// CHECK-NEXT: 80 | (B vftable pointer)
// CHECK-NEXT: 84 | int b_field
// CHECK-NEXT: 88 | int a_field
// CHECK-NEXT: 92 | char one
// CHECK-NEXT: 96 | int x
// CHECK-NEXT: sizeof=104, align=8
// CHECK-NEXT: nvsize=104, nvalign=8
// CHECK-LABEL:0 | struct G
// CHECK-NEXT: 0 | int g_field
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct H{{$}}
// CHECK-NEXT: 0 | struct G (base)
// CHECK-NEXT: 0 | int g_field
// CHECK-NEXT: 4 | (H vbtable pointer)
// CHECK-NEXT: 8 | class D (virtual base)
// CHECK-NEXT: 8 | (D vftable pointer)
// CHECK-NEXT: 16 | double a
// CHECK-NEXT: sizeof=24, align=8
// CHECK-NEXT: nvsize=8, nvalign=8
// CHECK-LABEL: 0 | struct I{{$}}
// CHECK-NEXT: 0 | (I vftable pointer)
// CHECK-NEXT: 8 | (I vbtable pointer)
// CHECK-NEXT: 16 | double q
// CHECK-NEXT: 24 | class D (virtual base)
// CHECK-NEXT: 24 | (D vftable pointer)
// CHECK-NEXT: 32 | double a
// CHECK-NEXT: sizeof=40, align=8
// CHECK-NEXT: nvsize=24, nvalign=8
// CHECK-LABEL: 0 | struct L{{$}}
// CHECK-NEXT: 0 | int l
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct K{{$}}
// CHECK-NEXT: 0 | int k
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct M{{$}}
// CHECK-NEXT: 0 | (M vbtable pointer)
// CHECK-NEXT: 4 | int m
// CHECK-NEXT: 8 | struct K (virtual base)
// CHECK-NEXT: 8 | int k
// CHECK-NEXT: sizeof=12, align=4
// CHECK-LABEL: 0 | struct N{{$}}
// CHECK-NEXT: 0 | (N vftable pointer)
// CHECK-NEXT: 4 | struct L (base)
// CHECK-NEXT: 4 | int l
// CHECK-NEXT: 8 | struct M (base)
// CHECK-NEXT: 8 | (M vbtable pointer)
// CHECK-NEXT: 12 | int m
// CHECK-NEXT: 16 | struct K (virtual base)
// CHECK-NEXT: 16 | int k
// CHECK-NEXT: sizeof=20, align=4
// CHECK-NEXT: nvsize=16, nvalign=4
// CHECK-LABEL: 0 | struct O{{$}}
// CHECK-NEXT: 0 | (O vftable pointer)
// CHECK-NEXT: 8 | struct H (base)
// CHECK-NEXT: 8 | struct G (base)
// CHECK-NEXT: 8 | int g_field
// CHECK-NEXT: 12 | (H vbtable pointer)
// CHECK-NEXT: 16 | struct G (base)
// CHECK-NEXT: 16 | int g_field
// CHECK-NEXT: 24 | class D (virtual base)
// CHECK-NEXT: 24 | (D vftable pointer)
// CHECK-NEXT: 32 | double a
// CHECK-NEXT: | [sizeof=40, align=8
// CHECK-NEXT: | nvsize=24, nvalign=8]
// CHECK-LABEL: 0 | struct P{{$}}
// CHECK-NEXT: 0 | struct M (base)
// CHECK-NEXT: 0 | (M vbtable pointer)
// CHECK-NEXT: 4 | int m
// CHECK-NEXT: 8 | int p
// CHECK-NEXT: 12 | struct K (virtual base)
// CHECK-NEXT: 12 | int k
// CHECK-NEXT: 16 | struct L (virtual base)
// CHECK-NEXT: 16 | int l
// CHECK-NEXT: sizeof=20, align=4
// CHECK-NEXT: nvsize=12, nvalign=4
// CHECK-LABEL: 0 | struct R (empty){{$}}
// CHECK-NEXT: sizeof=1, align=1
// CHECK-NEXT: nvsize=0, nvalign=1
// CHECK-LABEL: 0 | struct f{{$}}
// CHECK-NEXT: 0 | (f vftable pointer)
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct s{{$}}
// CHECK-NEXT: 0 | (s vftable pointer)
// CHECK-NEXT: 4 | (s vbtable pointer)
// CHECK-NEXT: 8 | int r
// CHECK-NEXT: 12 | (vtordisp for vbase f)
// CHECK-NEXT: 16 | struct f (virtual base)
// CHECK-NEXT: 16 | (f vftable pointer)
// CHECK-NEXT: sizeof=20, align=4
// CHECK-NEXT: nvsize=12, nvalign=4
// CHECK-LABEL: 0 | class IA{{$}}
// CHECK-NEXT: 0 | (IA vftable pointer)
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | class ICh{{$}}
// CHECK-NEXT: 0 | (ICh vftable pointer)
// CHECK-NEXT: 4 | (ICh vbtable pointer)
// CHECK-NEXT: 8 | (vtordisp for vbase IA)
// CHECK-NEXT: 12 | class IA (virtual base)
// CHECK-NEXT: 12 | (IA vftable pointer)
// CHECK-NEXT: sizeof=16, align=4
// CHECK-NEXT: nvsize=8, nvalign=4
// CHECK-LABEL: 0 | struct sd{{$}}
// CHECK-NEXT: 0 | (sd vbtable pointer)
// CHECK-NEXT: 4 | int q
// CHECK-NEXT: 8 | char y
// CHECK-NEXT: 12 | (vtordisp for vbase f)
// CHECK-NEXT: 16 | struct f (virtual base)
// CHECK-NEXT: 16 | (f vftable pointer)
// CHECK-NEXT: 20 | struct s (virtual base)
// CHECK-NEXT: 20 | (s vftable pointer)
// CHECK-NEXT: 24 | (s vbtable pointer)
// CHECK-NEXT: 28 | int r
// CHECK-NEXT: 32 | (vtordisp for vbase IA)
// CHECK-NEXT: 36 | class IA (virtual base)
// CHECK-NEXT: 36 | (IA vftable pointer)
// CHECK-NEXT: 40 | class ICh (virtual base)
// CHECK-NEXT: 40 | (ICh vftable pointer)
// CHECK-NEXT: 44 | (ICh vbtable pointer)
// CHECK-NEXT: sizeof=48, align=4
// CHECK-NEXT: nvsize=12, nvalign=4
// CHECK-LABEL: 0 | struct AV{{$}}
// CHECK-NEXT: 0 | (AV vftable pointer)
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct BV{{$}}
// CHECK-NEXT: 0 | struct AV (primary base)
// CHECK-NEXT: 0 | (AV vftable pointer)
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct CV{{$}}
// CHECK-NEXT: 0 | (CV vbtable pointer)
// CHECK-NEXT: 4 | (vtordisp for vbase BV)
// CHECK-NEXT: 8 | struct BV (virtual base)
// CHECK-NEXT: 8 | struct AV (primary base)
// CHECK-NEXT: 8 | (AV vftable pointer)
// CHECK-NEXT: sizeof=12, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct DV{{$}}
// CHECK-NEXT: 0 | struct BV (primary base)
// CHECK-NEXT: 0 | struct AV (primary base)
// CHECK-NEXT: 0 | (AV vftable pointer)
// CHECK-NEXT: sizeof=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK-LABEL: 0 | struct EV{{$}}
// CHECK-NEXT: 0 | struct DV (primary base)
// CHECK-NEXT: 0 | struct BV (primary base)
// CHECK-NEXT: 0 | struct AV (primary base)
// CHECK-NEXT: 0 | (AV vftable pointer)
// CHECK-NEXT: 4 | struct CV (base)
// CHECK-NEXT: 4 | (CV vbtable pointer)
// CHECK-NEXT: 8 | (vtordisp for vbase BV)
// CHECK-NEXT: 12 | struct BV (virtual base)
// CHECK-NEXT: 12 | struct AV (primary base)
// CHECK-NEXT: 12 | (AV vftable pointer)
// CHECK-NEXT: sizeof=16, align=4
// CHECK-NEXT: nvsize=8, nvalign=4
// CHECK: %class.D = type { ptr, double }
// CHECK: %class.B = type { ptr, i32 }
// CHECK: %class.A = type { %class.B, i32, i8 }
// CHECK: %class.C = type { %class.D, %class.B, ptr, double, i32, double, i32, [4 x i8], %class.A }
// CHECK: %class.C.base = type { %class.D, %class.B, ptr, double, i32, double, i32 }
// CHECK: %struct.BaseStruct = type { double, float, %class.C }
// CHECK: %struct.DerivedStruct = type { %struct.BaseStruct, i32 }
// CHECK: %struct.H = type { %struct.G, ptr, %class.D }
// CHECK: %struct.I = type { ptr, [4 x i8], ptr, double, %class.D }
// CHECK: %struct.I.base = type { ptr, [4 x i8], ptr, double }
// CHECK: %struct.M = type { ptr, i32, %struct.K }
// CHECK: %struct.M.base = type { ptr, i32 }
// CHECK: %struct.N = type { ptr, %struct.L, %struct.M.base, %struct.K }
// CHECK: %struct.O = type { ptr, [4 x i8], %struct.H.base, %struct.G, %class.D }
// CHECK: %struct.O.base = type { ptr, [4 x i8], %struct.H.base, %struct.G, [4 x i8] }
// CHECK: %struct.P = type { %struct.M.base, i32, %struct.K, %struct.L }
// CHECK: %struct.R = type { i8 }
// CHECK: %struct.f = type { ptr }
// CHECK: %struct.s = type { ptr, ptr, i32, i32, %struct.f }
// CHECK: %class.IA = type { ptr }
// CHECK: %class.ICh = type { ptr, ptr, i32, %class.IA }
// CHECK: %struct.sd = type { ptr, i32, i8, i32, %struct.f, %struct.s.base, i32, %class.IA, %class.ICh.base }
// CHECK: %struct.AV = type { ptr }
// CHECK: %struct.BV = type { %struct.AV }
// CHECK: %struct.CV = type { ptr, i32, %struct.BV }
// CHECK: %struct.CV.base = type { ptr }
// CHECK: %struct.DV = type { %struct.BV }
// CHECK: %struct.EV = type { %struct.DV, %struct.CV.base, i32, %struct.BV }
// CHECK: %struct.EV.base = type { %struct.DV, %struct.CV.base }
// Overriding a method means that all the vbases containing that
// method need a vtordisp. Note: this code will cause an error in cl.exe.
namespace test1 {
struct A { virtual void foo(); };
struct B : A {};
struct C : virtual A, virtual B { C(); virtual void foo(); };
void test() { C c; }
// CHECK-LABEL: 0 | struct test1::C{{$}}
// CHECK-NEXT: 0 | (C vbtable pointer)
// CHECK-NEXT: 4 | (vtordisp for vbase A)
// CHECK-NEXT: 8 | struct test1::A (virtual base)
// CHECK-NEXT: 8 | (A vftable pointer)
// CHECK-NEXT: 12 | (vtordisp for vbase B)
// CHECK-NEXT: 16 | struct test1::B (virtual base)
// CHECK-NEXT: 16 | struct test1::A (primary base)
// CHECK-NEXT: 16 | (A vftable pointer)
// CHECK-NEXT: sizeof=20, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
}
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