xref: /aosp_15_r20/external/clang/test/SemaCXX/member-pointers-2.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm-only %s
2*67e74705SXin Li 
3*67e74705SXin Li // Tests that Sema properly creates member-access expressions for
4*67e74705SXin Li // these instead of bare FieldDecls.
5*67e74705SXin Li 
6*67e74705SXin Li struct Foo {
7*67e74705SXin Li   int myvalue;
8*67e74705SXin Li 
9*67e74705SXin Li   // We have to override these to get something with an lvalue result.
10*67e74705SXin Li   int &operator++(int);
11*67e74705SXin Li   int &operator--(int);
12*67e74705SXin Li };
13*67e74705SXin Li 
14*67e74705SXin Li struct Test0 {
15*67e74705SXin Li   Foo memfoo;
16*67e74705SXin Li   int memint;
17*67e74705SXin Li   int memarr[10];
18*67e74705SXin Li   Test0 *memptr;
19*67e74705SXin Li   struct MemClass { int a; } memstruct;
20*67e74705SXin Li   int &memfun();
21*67e74705SXin Li 
testTest022*67e74705SXin Li   void test() {
23*67e74705SXin Li     int *p;
24*67e74705SXin Li     p = &Test0::memfoo++;
25*67e74705SXin Li     p = &Test0::memfoo--;
26*67e74705SXin Li     p = &Test0::memarr[1];
27*67e74705SXin Li     p = &Test0::memptr->memint;
28*67e74705SXin Li     p = &Test0::memstruct.a;
29*67e74705SXin Li     p = &Test0::memfun();
30*67e74705SXin Li   }
31*67e74705SXin Li };
32*67e74705SXin Li 
test0()33*67e74705SXin Li void test0() {
34*67e74705SXin Li   Test0 mytest;
35*67e74705SXin Li   mytest.test();
36*67e74705SXin Li }
37*67e74705SXin Li 
38*67e74705SXin Li namespace rdar9065289 {
39*67e74705SXin Li   typedef void (*FuncPtr)();
40*67e74705SXin Li   struct X0 { };
41*67e74705SXin Li 
42*67e74705SXin Li   struct X1
43*67e74705SXin Li   {
44*67e74705SXin Li     X0* x0;
45*67e74705SXin Li     FuncPtr X0::*fptr;
46*67e74705SXin Li   };
47*67e74705SXin Li 
f(X1 p)48*67e74705SXin Li   void f(X1 p) {
49*67e74705SXin Li     (p.x0->*(p.fptr))();
50*67e74705SXin Li   }
51*67e74705SXin Li }
52