llvm-project/clang/test/Layout/ms-x86-basic-layout.cpp

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// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only -cxx-abi microsoft %s 2>&1 \
// RUN: | FileCheck %s
extern "C" int printf(const char *fmt, ...);
struct A4 {
int a;
A4() : a(0xf00000a4) {}
};
struct B4 {
int a;
B4() : a(0xf00000b4) {}
};
struct C4 {
int a;
C4() : a(0xf00000c4) {}
virtual void f() {printf("C4");}
};
struct A16 {
__declspec(align(16)) int a;
A16() : a(0xf0000a16) {}
};
struct C16 {
__declspec(align(16)) int a;
C16() : a(0xf0000c16) {}
virtual void f() {printf("C16");}
};
struct TestF0 : A4, virtual B4 {
int a;
TestF0() : a(0xf00000F0) {}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF0
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF0 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 12 | struct B4 (virtual base)
// CHECK: 12 | int a
// CHECK: | [sizeof=16, align=4
// CHECK: | nvsize=12, nvalign=4]
struct TestF1 : A4, virtual A16 {
int a;
TestF1() : a(0xf00000f1) {}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF1
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF1 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 16 | struct A16 (virtual base)
// CHECK: 16 | int a
// CHECK: | [sizeof=32, align=16
// CHECK: | nvsize=12, nvalign=4]
struct TestF2 : A4, virtual C4 {
int a;
TestF2() : a(0xf00000f2) {}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF2
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF2 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 12 | struct C4 (virtual base)
// CHECK: 12 | (C4 vftable pointer)
// CHECK: 16 | int a
// CHECK: | [sizeof=20, align=4
// CHECK: | nvsize=12, nvalign=4]
struct TestF3 : A4, virtual C16 {
int a;
TestF3() : a(0xf00000f3) {}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF3
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF3 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 16 | struct C16 (virtual base)
// CHECK: 16 | (C16 vftable pointer)
// CHECK: 32 | int a
// CHECK: | [sizeof=48, align=16
// CHECK: | nvsize=12, nvalign=4]
struct TestF4 : TestF3, A4 {
int a;
TestF4() : a(0xf00000f4) {}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF4
// CHECK: 0 | struct TestF3 (base)
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF3 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 12 | struct A4 (base)
// CHECK: 12 | int a
// CHECK: 16 | int a
// CHECK: 32 | struct C16 (virtual base)
// CHECK: 32 | (C16 vftable pointer)
// CHECK: 48 | int a
// CHECK: | [sizeof=64, align=16
// CHECK: | nvsize=32, nvalign=16]
struct TestF5 : TestF3, A4 {
int a;
TestF5() : a(0xf00000f5) {}
virtual void g() {printf("F5");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF5
// CHECK: 0 | (TestF5 vftable pointer)
// CHECK: 16 | struct TestF3 (base)
// CHECK: 16 | struct A4 (base)
// CHECK: 16 | int a
// CHECK: 20 | (TestF3 vbtable pointer)
// CHECK: 24 | int a
// CHECK: 28 | struct A4 (base)
// CHECK: 28 | int a
// CHECK: 32 | int a
// CHECK: 48 | struct C16 (virtual base)
// CHECK: 48 | (C16 vftable pointer)
// CHECK: 64 | int a
// CHECK: | [sizeof=80, align=16
// CHECK: | nvsize=48, nvalign=16]
struct TestF6 : TestF3, A4 {
int a;
TestF6() : a(0xf00000f6) {}
virtual void f() {printf("F6");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF6
// CHECK: 0 | struct TestF3 (base)
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF3 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 12 | struct A4 (base)
// CHECK: 12 | int a
// CHECK: 16 | int a
// CHECK: 44 | (vtordisp for vbase C16)
// CHECK: 48 | struct C16 (virtual base)
// CHECK: 48 | (C16 vftable pointer)
// CHECK: 64 | int a
// CHECK: | [sizeof=80, align=16
// CHECK: | nvsize=32, nvalign=16]
struct TestF7 : A4, virtual C16 {
int a;
TestF7() : a(0xf00000f7) {}
virtual void f() {printf("F7");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF7
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF7 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 28 | (vtordisp for vbase C16)
// CHECK: 32 | struct C16 (virtual base)
// CHECK: 32 | (C16 vftable pointer)
// CHECK: 48 | int a
// CHECK: | [sizeof=64, align=16
// CHECK: | nvsize=12, nvalign=4]
struct TestF8 : TestF7, A4 {
int a;
TestF8() : a(0xf00000f8) {}
virtual void f() {printf("F8");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF8
// CHECK: 0 | struct TestF7 (base)
// CHECK: 0 | struct A4 (base)
// CHECK: 0 | int a
// CHECK: 4 | (TestF7 vbtable pointer)
// CHECK: 8 | int a
// CHECK: 12 | struct A4 (base)
// CHECK: 12 | int a
// CHECK: 16 | int a
// CHECK: 44 | (vtordisp for vbase C16)
// CHECK: 48 | struct C16 (virtual base)
// CHECK: 48 | (C16 vftable pointer)
// CHECK: 64 | int a
// CHECK: | [sizeof=80, align=16
// CHECK: | nvsize=32, nvalign=16]
struct TestF9 : A4, virtual C16 {
int a;
TestF9() : a(0xf00000f9) {}
virtual void g() {printf("F9");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestF9
// CHECK: 0 | (TestF9 vftable pointer)
// CHECK: 4 | struct A4 (base)
// CHECK: 4 | int a
// CHECK: 8 | (TestF9 vbtable pointer)
// CHECK: 12 | int a
// CHECK: 16 | struct C16 (virtual base)
// CHECK: 16 | (C16 vftable pointer)
// CHECK: 32 | int a
// CHECK: | [sizeof=48, align=16
// CHECK: | nvsize=16, nvalign=4]
struct TestFA : TestF9, A4 {
int a;
TestFA() : a(0xf00000fa) {}
virtual void g() {printf("FA");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestFA
// CHECK: 0 | struct TestF9 (primary base)
// CHECK: 0 | (TestF9 vftable pointer)
// CHECK: 4 | struct A4 (base)
// CHECK: 4 | int a
// CHECK: 8 | (TestF9 vbtable pointer)
// CHECK: 12 | int a
// CHECK: 16 | struct A4 (base)
// CHECK: 16 | int a
// CHECK: 20 | int a
// CHECK: 32 | struct C16 (virtual base)
// CHECK: 32 | (C16 vftable pointer)
// CHECK: 48 | int a
// CHECK: | [sizeof=64, align=16
// CHECK: | nvsize=32, nvalign=16]
struct TestFB : A16, virtual C16 {
int a;
TestFB() : a(0xf00000fb) {}
virtual void g() {printf("Fb");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestFB
// CHECK: 0 | (TestFB vftable pointer)
// CHECK: 16 | struct A16 (base)
// CHECK: 16 | int a
// CHECK: 32 | (TestFB vbtable pointer)
// CHECK: 48 | int a
// CHECK: 64 | struct C16 (virtual base)
// CHECK: 64 | (C16 vftable pointer)
// CHECK: 80 | int a
// CHECK: | [sizeof=96, align=16
// CHECK: | nvsize=64, nvalign=16]
struct TestFC : TestFB, A4 {
int a;
TestFC() : a(0xf00000fc) {}
virtual void g() {printf("FC");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct TestFC
// CHECK: 0 | struct TestFB (primary base)
// CHECK: 0 | (TestFB vftable pointer)
// CHECK: 16 | struct A16 (base)
// CHECK: 16 | int a
// CHECK: 32 | (TestFB vbtable pointer)
// CHECK: 48 | int a
// CHECK: 64 | struct A4 (base)
// CHECK: 64 | int a
// CHECK: 68 | int a
// CHECK: 80 | struct C16 (virtual base)
// CHECK: 80 | (C16 vftable pointer)
// CHECK: 96 | int a
// CHECK: | [sizeof=112, align=16
// CHECK: | nvsize=80, nvalign=16]
struct A16f {
__declspec(align(16)) int a;
A16f() : a(0xf0000a16) {}
virtual void f() {printf("A16f");}
};
struct Y { char y; Y() : y(0xaa) {} };
struct X : virtual A16f {};
struct B : A4, Y, X {
int a;
B() : a(0xf000000b) {}
};
struct F0 : A4, B {
int a;
F0() : a(0xf00000f0) {}
virtual void g() {printf("F0");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F0
// CHECK: 0 | (F0 vftable pointer)
// CHECK: 16 | struct A4 (base)
// CHECK: 16 | int a
// CHECK: 32 | struct B (base)
// CHECK: 32 | struct A4 (base)
// CHECK: 32 | int a
// CHECK: 36 | struct Y (base)
// CHECK: 36 | char y
// CHECK: 48 | struct X (base)
// CHECK: 48 | (X vbtable pointer)
// CHECK: 52 | int a
// CHECK: 64 | int a
// CHECK: 80 | struct A16f (virtual base)
// CHECK: 80 | (A16f vftable pointer)
// CHECK: 96 | int a
// CHECK: | [sizeof=112, align=16
// CHECK: | nvsize=80, nvalign=16]
struct F1 : B, A4 {
int a;
F1() : a(0xf00000f1) {}
virtual void g() {printf("F1");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F1
// CHECK: 0 | (F1 vftable pointer)
// CHECK: 16 | struct B (base)
// CHECK: 16 | struct A4 (base)
// CHECK: 16 | int a
// CHECK: 20 | struct Y (base)
// CHECK: 20 | char y
// CHECK: 32 | struct X (base)
// CHECK: 32 | (X vbtable pointer)
// CHECK: 36 | int a
// CHECK: 48 | struct A4 (base)
// CHECK: 48 | int a
// CHECK: 52 | int a
// CHECK: 64 | struct A16f (virtual base)
// CHECK: 64 | (A16f vftable pointer)
// CHECK: 80 | int a
// CHECK: | [sizeof=96, align=16
// CHECK: | nvsize=64, nvalign=16]
struct F2 : A4, virtual A16f {
int a;
F2() : a(0xf00000f2) {}
virtual void g() {printf("F2");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F2
// CHECK: 0 | (F2 vftable pointer)
// CHECK: 4 | struct A4 (base)
// CHECK: 4 | int a
// CHECK: 8 | (F2 vbtable pointer)
// CHECK: 12 | int a
// CHECK: 16 | struct A16f (virtual base)
// CHECK: 16 | (A16f vftable pointer)
// CHECK: 32 | int a
// CHECK: | [sizeof=48, align=16
// CHECK: | nvsize=16, nvalign=4]
struct F3 : A4, virtual A16f {
__declspec(align(16)) int a;
F3() : a(0xf00000f3) {}
virtual void g() {printf("F3");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F3
// CHECK: 0 | (F3 vftable pointer)
// CHECK: 16 | struct A4 (base)
// CHECK: 16 | int a
// CHECK: 20 | (F3 vbtable pointer)
// CHECK: 48 | int a
// CHECK: 64 | struct A16f (virtual base)
// CHECK: 64 | (A16f vftable pointer)
// CHECK: 80 | int a
// CHECK: | [sizeof=96, align=16
// CHECK: | nvsize=64, nvalign=16]
struct F4 : A4, B {
__declspec(align(16)) int a;
F4() : a(0xf00000f4) {}
virtual void g() {printf("F4");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F4
// CHECK: 0 | (F4 vftable pointer)
// CHECK: 16 | struct A4 (base)
// CHECK: 16 | int a
// CHECK: 32 | struct B (base)
// CHECK: 32 | struct A4 (base)
// CHECK: 32 | int a
// CHECK: 36 | struct Y (base)
// CHECK: 36 | char y
// CHECK: 48 | struct X (base)
// CHECK: 48 | (X vbtable pointer)
// CHECK: 52 | int a
// CHECK: 64 | int a
// CHECK: 80 | struct A16f (virtual base)
// CHECK: 80 | (A16f vftable pointer)
// CHECK: 96 | int a
// CHECK: | [sizeof=112, align=16
// CHECK: | nvsize=80, nvalign=16]
struct F5 : A16f, virtual A4 {
int a;
F5() : a(0xf00000f5) {}
virtual void g() {printf("F5");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F5
// CHECK: 0 | struct A16f (primary base)
// CHECK: 0 | (A16f vftable pointer)
// CHECK: 16 | int a
// CHECK: 32 | (F5 vbtable pointer)
// CHECK: 48 | int a
// CHECK: 64 | struct A4 (virtual base)
// CHECK: 64 | int a
// CHECK: | [sizeof=80, align=16
// CHECK: | nvsize=64, nvalign=16]
struct F6 : virtual A16f, A4, virtual B {
int a;
F6() : a(0xf00000f6) {}
virtual void g() {printf("F6");}
};
// CHECK: *** Dumping AST Record Layout
// CHECK: 0 | struct F6
// CHECK: 0 | (F6 vftable pointer)
// CHECK: 4 | struct A4 (base)
// CHECK: 4 | int a
// CHECK: 8 | (F6 vbtable pointer)
// CHECK: 12 | int a
// CHECK: 16 | struct A16f (virtual base)
// CHECK: 16 | (A16f vftable pointer)
// CHECK: 32 | int a
// CHECK: 48 | struct B (virtual base)
// CHECK: 48 | struct A4 (base)
// CHECK: 48 | int a
// CHECK: 52 | struct Y (base)
// CHECK: 52 | char y
// CHECK: 64 | struct X (base)
// CHECK: 64 | (X vbtable pointer)
// CHECK: 68 | int a
// CHECK: | [sizeof=80, align=16
// CHECK: | nvsize=16, nvalign=4]
int a[
sizeof(TestF0)+
sizeof(TestF1)+
sizeof(TestF2)+
sizeof(TestF3)+
sizeof(TestF4)+
sizeof(TestF5)+
sizeof(TestF6)+
sizeof(TestF7)+
sizeof(TestF8)+
sizeof(TestF9)+
sizeof(TestFA)+
sizeof(TestFB)+
sizeof(TestFC)+
sizeof(F0)+
sizeof(F1)+
sizeof(F2)+
sizeof(F3)+
sizeof(F4)+
sizeof(F5)+
sizeof(F6)];