57 lines · cpp
1// RUN: %clang_cc1 -w -triple=x86_64-pc-win32 -fms-compatibility -fdump-record-layouts-simple -foverride-record-layout=%S/Inputs/override-layout-virtual-base.layout %s | FileCheck --check-prefix=SIMPLE %s2// RUN: %clang_cc1 -w -triple=x86_64-pc-win32 -fms-compatibility -fdump-record-layouts -foverride-record-layout=%S/Inputs/override-layout-virtual-base.layout %s | FileCheck %s3 4struct S1 {5 int a;6};7 8struct S2 : virtual S1 {9 virtual void foo() {}10};11 12// SIMPLE: Type: struct S313// SIMPLE: FieldOffsets: [64]14struct S3 : S2 {15 char b;16};17 18struct S4 {19};20 21struct S5 : S4 {22 virtual void foo() {}23};24 25// CHECK: *** Dumping AST Record Layout26// CHECK: 0 | struct S227// CHECK-NEXT: 0 | (S2 vftable pointer)28// CHECK-NEXT: 8 | (S2 vbtable pointer)29// CHECK-NEXT: 8 | struct S1 (virtual base)30// CHECK-NEXT: 8 | int a31// CHECK-NEXT: | [sizeof=8, align=8,32// CHECK-NEXT: | nvsize=8, nvalign=8]33// CHECK: *** Dumping AST Record Layout34// CHECK: 0 | struct S335// CHECK-NEXT: 0 | struct S2 (primary base)36// CHECK-NEXT: 0 | (S2 vftable pointer)37// CHECK-NEXT: 8 | (S2 vbtable pointer)38// CHECK-NEXT: 8 | char b39// CHECK-NEXT: 16 | struct S1 (virtual base)40// CHECK-NEXT: 16 | int a41// CHECK-NEXT: | [sizeof=24, align=8,42// CHECK-NEXT: | nvsize=16, nvalign=8]43// CHECK: *** Dumping AST Record Layout44// CHECK: 0 | struct S545// CHECK-NEXT: 0 | (S5 vftable pointer)46// CHECK-NEXT: 0 | struct S4 (base) (empty)47// CHECK-NEXT: | [sizeof=8, align=8,48// CHECK-NEXT: | nvsize=8, nvalign=8]49 50void use_structs() {51 S1 s1s[sizeof(S1)];52 S2 s2s[sizeof(S2)];53 S3 s3s[sizeof(S3)];54 S4 s4s[sizeof(S4)];55 S5 s5s[sizeof(S5)];56}57