| Timur Iskhodzhanov | d60ae72 | 2014-04-21 20:23:34 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o %t.ll -fdump-vtable-layouts >%t |
| 2 | // RUN: FileCheck %s < %t |
| 3 | // RUN: FileCheck --check-prefix=MANGLING %s < %t.ll |
| 4 | |
| 5 | struct A { |
| 6 | virtual void f(); |
| 7 | }; |
| 8 | |
| 9 | struct B { |
| 10 | virtual void g() = 0; |
| 11 | virtual void h(); |
| 12 | }; |
| 13 | |
| 14 | struct C : A, B { |
| 15 | // CHECK-LABEL: VFTable for 'A' in 'C' (1 entry) |
| 16 | // CHECK-NEXT: 0 | void A::f() |
| 17 | |
| 18 | // CHECK-LABEL: VFTable for 'B' in 'C' (2 entries) |
| 19 | // CHECK-NEXT: 0 | void C::g() |
| 20 | // CHECK-NEXT: 1 | void B::h() |
| 21 | |
| 22 | // CHECK-LABEL: VFTable indices for 'C' (1 entry). |
| 23 | // CHECK-NEXT: via vfptr at offset 4 |
| 24 | // CHECK-NEXT: 0 | void C::g() |
| 25 | |
| 26 | // MANGLING-DAG: @"\01??_7C@@6BA@@@" |
| 27 | // MANGLING-DAG: @"\01??_7C@@6BB@@@" |
| 28 | |
| 29 | // Overrides only the right child's method (B::g), |
| 30 | // needs this adjustment but not thunks. |
| 31 | virtual void g(); |
| 32 | }; |
| 33 | |
| 34 | C c; |
| 35 | void build_vftable(C *obj) { obj->g(); } |