// 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; }; #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; 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 { [8 x i8], 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 { [4 x i8], 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, [8 x i8], double, i32, double, i32, [4 x i8], %class.A } // CHECK: %class.C.base = type { %class.D, %class.B, [8 x i8], 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, [4 x i8], %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 { [16 x i8], double, %class.D } // CHECK: %struct.I.base = type { [16 x i8], double }