File: microsoft-abi-vtables-multiple-nonvirtual-inheritance-pure-virtual.cpp

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (35 lines) | stat: -rw-r--r-- 878 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
// RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o %t.ll -fdump-vtable-layouts >%t
// RUN: FileCheck %s < %t
// RUN: FileCheck --check-prefix=MANGLING %s < %t.ll

struct A {
  virtual void f();
};

struct B {
  virtual void g() = 0;
  virtual void h();
};

struct C : A, B {
  // CHECK-LABEL: VFTable for 'A' in 'C' (1 entry)
  // CHECK-NEXT:   0 | void A::f()

  // CHECK-LABEL: VFTable for 'B' in 'C' (2 entries)
  // CHECK-NEXT:   0 | void C::g()
  // CHECK-NEXT:   1 | void B::h()

  // CHECK-LABEL: VFTable indices for 'C' (1 entry).
  // CHECK-NEXT:   via vfptr at offset 4
  // CHECK-NEXT:   0 | void C::g()

  // MANGLING-DAG: @"\01??_7C@@6BA@@@"
  // MANGLING-DAG: @"\01??_7C@@6BB@@@"

  // Overrides only the right child's method (B::g),
  // needs this adjustment but not thunks.
  virtual void g();
};

C c;
void build_vftable(C *obj) { obj->g(); }