File: vtordisp-mode.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (26 lines) | stat: -rw-r--r-- 754 bytes parent folder | download | duplicates (38) 
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
 
// RUN: %clang_cc1 -triple i686-pc-win32 -std=c++11 -vtordisp-mode=0 -DVTORDISP_MODE=0 %s -verify
// RUN: %clang_cc1 -triple i686-pc-win32 -std=c++11 -vtordisp-mode=1 -DVTORDISP_MODE=1 %s -verify
// RUN: %clang_cc1 -triple i686-pc-win32 -std=c++11 -vtordisp-mode=2 -DVTORDISP_MODE=2 %s -verify

// expected-no-diagnostics

struct A {
  A();
  virtual void foo();
};

// At /vd1, there is a vtordisp before A.
struct B : virtual A {
  B();
  virtual void foo();
  virtual void bar();
};

// At /vd2, there is a vtordisp before B, but only because it has its own
// vftable.
struct C : virtual B {
  C();
};

// There are two vfptrs, two vbptrs, and some number of vtordisps.
static_assert(sizeof(C) == 2 * 4 + 2 * 4 + 4 * VTORDISP_MODE, "size mismatch");