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|
// RUN: %clang_cc1 -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -cxx-abi microsoft %s 2>&1 \
// RUN: | FileCheck %s
#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 {};
#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;
return 0;
}
// CHECK: 0 | class D
// CHECK-NEXT: 0 | (D vftable pointer)
// CHECK-NEXT: 8 | double a
// CHECK-NEXT: sizeof=16, dsize=16, align=8
// CHECK-NEXT: nvsize=16, nvalign=8
// CHECK: %class.D = type { i32 (...)**, double }
// CHECK: 0 | class B
// CHECK-NEXT: 0 | (B vftable pointer)
// CHECK-NEXT: 4 | int b_field
// CHECK-NEXT: sizeof=8, dsize=8, align=4
// CHECK-NEXT: nvsize=8, nvalign=4
// CHECK: %class.B = type { i32 (...)**, i32 }
// CHECK: 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, dsize=16, align=4
// CHECK-NEXT: nvsize=16, nvalign=4
// CHECK: 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, dsize=80, align=8
// CHECK-NEXT: nvsize=64, nvalign=8
// CHECK: %class.A = type { %class.B, i32, i8 }
// CHECK: %class.C = type { %class.D, %class.B, i32*, double, i32, double, i32, [4 x i8], %class.A }
// CHECK: %class.C.base = type { %class.D, %class.B, i32*, double, i32, double, i32 }
// CHECK: 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=80, dsize=80, align=8
// CHECK-NEXT: nvsize=64, nvalign=8
// CHECK: sizeof=96, dsize=96, align=8
// CHECK-NEXT: nvsize=96, nvalign=8
// CHECK: %struct.BaseStruct = type { double, float, %class.C }
// CHECK: 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: sizeof=80, dsize=80, align=8
// CHECK-NEXT: nvsize=64, nvalign=8
// CHECK: 96 | int x
// CHECK-NEXT: sizeof=104, dsize=104, align=8
// CHECK-NEXT: nvsize=104, nvalign=8
// CHECK: %struct.DerivedStruct = type { %struct.BaseStruct, i32 }
// CHECK: 0 | struct G
// CHECK-NEXT: 0 | int g_field
// CHECK-NEXT: sizeof=4, dsize=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK: 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, dsize=24, align=8
// CHECK-NEXT: nvsize=8, nvalign=4
// CHECK: %struct.H = type { %struct.G, i32*, %class.D }
// CHECK: 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, dsize=40, align=8
// CHECK-NEXT: nvsize=24, nvalign=8
// CHECK: %struct.I = type { i32 (...)**, [4 x i8], i32*, double, %class.D }
// CHECK: %struct.I.base = type { i32 (...)**, [4 x i8], i32*, double }
// CHECK: 0 | struct L
// CHECK-NEXT: 0 | int l
// CHECK-NEXT: sizeof=4, dsize=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK: 0 | struct K
// CHECK-NEXT: 0 | int k
// CHECK-NEXT: sizeof=4, dsize=4, align=4
// CHECK-NEXT: nvsize=4, nvalign=4
// CHECK: 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, dsize=12, align=4
//CHECK: %struct.M = type { i32*, i32, %struct.K }
//CHECK: %struct.M.base = type { i32*, i32 }
// CHECK: 0 | struct N
// 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: 0 | (N vftable pointer)
// CHECK-NEXT: 16 | struct K (virtual base)
// CHECK-NEXT: 16 | int k
// CHECK-NEXT: sizeof=20, dsize=20, align=4
// CHECK-NEXT: nvsize=16, nvalign=4
//CHECK: %struct.N = type { i32 (...)**, %struct.L, %struct.M.base, %struct.K }
// FIXME: MSVC place struct H at offset 8.
// CHECK: 0 | struct O
// CHECK-NEXT: 4 | struct H (base)
// CHECK-NEXT: 4 | struct G (base)
// CHECK-NEXT: 4 | int g_field
// CHECK-NEXT: 8 | (H vbtable pointer)
// CHECK-NEXT: 12 | struct G (base)
// CHECK-NEXT: 12 | int g_field
// CHECK-NEXT: 0 | (O vftable pointer)
// CHECK-NEXT: 16 | class D (virtual base)
// CHECK-NEXT: 16 | (D vftable pointer)
// CHECK-NEXT: 24 | double a
// CHECK-NEXT: sizeof=32, dsize=32, align=8
// CHECK-NEXT: nvsize=16, nvalign=4
//CHECK: %struct.O = type { i32 (...)**, %struct.H.base, %struct.G, %class.D }
//CHECK: %struct.O.base = type { i32 (...)**, %struct.H.base, %struct.G }
// CHECK: 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, dsize=20, align=4
// CHECK-NEXT: nvsize=12, nvalign=4
//CHECK: %struct.P = type { %struct.M.base, i32, %struct.K, %struct.L }
// CHECK: 0 | struct R (empty)
// CHECK-NEXT: sizeof=1, dsize=0, align=1
// CHECK-NEXT: nvsize=0, nvalign=1
//CHECK: %struct.R = type { i8 }
|
