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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
{
virtual ~G(){}
int a;
double b;
};
#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;
G* g;
BaseStruct* u;
return 0;
}
// CHECK: 0 | class D
// CHECK-NEXT: 0 | (D vtable pointer)
// CHECK-NEXT: 8 | double a
// CHECK-NEXT: sizeof=16, dsize=16, align=8
// CHECK-NEXT: nvsize=16, nvalign=8
// CHECK: 0 | class B
// CHECK-NEXT: 0 | (B vtable pointer)
// CHECK-NEXT: 4 | int b_field
// CHECK-NEXT: sizeof=8, dsize=8, align=4
// CHECK-NEXT: nvsize=8, nvalign=4
// CHECK: 0 | class A
// CHECK-NEXT: 0 | class B (primary base)
// CHECK-NEXT: 0 | (B vtable 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 vtable pointer)
// CHECK-NEXT: 8 | double a
// CHECK-NEXT: 16 | class B (base)
// CHECK-NEXT: 16 | (B vtable 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 vtable 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=80, nvalign=8
// 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 vtable pointer)
// CHECK-NEXT: 24 | double a
// CHECK-NEXT: 32 | class B (base)
// CHECK-NEXT: 32 | (B vtable 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 vtable 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=80, nvalign=8
// CHECK: sizeof=96, dsize=96, align=8
// CHECK-NEXT: nvsize=96, nvalign=8
// 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 vtable pointer)
// CHECK-NEXT: 24 | double a
// CHECK-NEXT: 32 | class B (base)
// CHECK-NEXT: 32 | (B vtable 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 vtable 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=80, nvalign=8
// CHECK: 96 | int x
// CHECK-NEXT: sizeof=104, dsize=104, align=8
// CHECK-NEXT: nvsize=104, nvalign=8
|
