• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1// RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks -triple x86_64-apple-darwin10.0.0 %s
2// RUN: %clang_cc1 -x objective-c++ -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -fblocks -triple x86_64-apple-darwin10.0.0 %s
3
4#ifdef __cplusplus
5extern "C" {
6#endif
7
8void *memset(void *, int, __SIZE_TYPE__);
9void *memmove(void *s1, const void *s2, __SIZE_TYPE__ n);
10void *memcpy(void *s1, const void *s2, __SIZE_TYPE__ n);
11
12#ifdef __cplusplus
13}
14#endif
15
16void test(id __strong *sip, id __weak *wip, id __autoreleasing *aip,
17          id __unsafe_unretained *uip, void *ptr) {
18  // All okay.
19  memset(sip, 0, 17);
20  memset(wip, 0, 17);
21  memset(aip, 0, 17);
22  memset(uip, 0, 17);
23
24  memcpy(sip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
25                      // expected-note{{explicitly cast the pointer to silence this warning}}
26  memcpy(wip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
27                      // expected-note{{explicitly cast the pointer to silence this warning}}
28  memcpy(aip, ptr, 17); // expected-warning{{destination for this 'memcpy' call is a pointer to ownership-qualified type}} \
29                      // expected-note{{explicitly cast the pointer to silence this warning}}
30  memcpy(uip, ptr, 17);
31
32  memcpy(ptr, sip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
33                      // expected-note{{explicitly cast the pointer to silence this warning}}
34  memcpy(ptr, wip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
35                      // expected-note{{explicitly cast the pointer to silence this warning}}
36  memcpy(ptr, aip, 17); // expected-warning{{source of this 'memcpy' call is a pointer to ownership-qualified type}} \
37                      // expected-note{{explicitly cast the pointer to silence this warning}}
38  memcpy(ptr, uip, 17);
39
40  memmove(sip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
41                      // expected-note{{explicitly cast the pointer to silence this warning}}
42  memmove(wip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
43                      // expected-note{{explicitly cast the pointer to silence this warning}}
44  memmove(aip, ptr, 17); // expected-warning{{destination for this 'memmove' call is a pointer to ownership-qualified type}} \
45                      // expected-note{{explicitly cast the pointer to silence this warning}}
46  memmove(uip, ptr, 17);
47
48  memmove(ptr, sip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
49                      // expected-note{{explicitly cast the pointer to silence this warning}}
50  memmove(ptr, wip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
51                      // expected-note{{explicitly cast the pointer to silence this warning}}
52  memmove(ptr, aip, 17); // expected-warning{{source of this 'memmove' call is a pointer to ownership-qualified type}} \
53                      // expected-note{{explicitly cast the pointer to silence this warning}}
54  memmove(ptr, uip, 17);
55}
56
57void rdar9772982(int i, ...) {
58    __builtin_va_list ap;
59
60    __builtin_va_start(ap, i);
61    __builtin_va_arg(ap, __strong id); // expected-error{{second argument to 'va_arg' is of ARC ownership-qualified type '__strong id'}}
62    __builtin_va_end(ap);
63}
64