// 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