1 // RUN: %clang_cc1 -triple i386-unknown-unknown -fsyntax-only -fno-spell-checking -Wno-strict-prototypes -verify %s -fblocks
2
invalid_uses(void)3 void invalid_uses(void) {
4 struct A {
5 };
6 struct A a;
7 void *b;
8 int (*goodfunc)(const char *, ...);
9 int (*badfunc1)(const char *);
10 int (*badfunc2)(int, ...);
11 int (*badfunc3)(void);
12
13 __builtin_dump_struct(); // expected-error {{too few arguments to function call, expected 2, have 0}}
14 __builtin_dump_struct(1); // expected-error {{too few arguments to function call, expected 2, have 1}}
15 __builtin_dump_struct(1, 2); // expected-error {{expected pointer to struct as 1st argument to '__builtin_dump_struct', found 'int'}}
16 __builtin_dump_struct(&a, 2); // expected-error {{expected a callable expression as 2nd argument to '__builtin_dump_struct', found 'int'}}
17 __builtin_dump_struct(b, goodfunc); // expected-error {{expected pointer to struct as 1st argument to '__builtin_dump_struct', found 'void *'}}
18 __builtin_dump_struct(&a, badfunc1); // expected-error {{too many arguments to function call, expected 1, have 2}} expected-note {{in call to printing function with arguments '("%s", "struct A")'}}
19 __builtin_dump_struct(&a, badfunc2); // expected-error-re 1+{{incompatible pointer to integer conversion passing 'char[{{.*}}]' to parameter of type 'int'}}
20 // expected-note@-1 1+{{in call to printing function with arguments '("}}
21 __builtin_dump_struct(&a, badfunc3); // expected-error {{too many arguments to function call, expected 0, have 2}} expected-note {{in call to printing function with arguments '("%s", "struct A")'}}
22 __builtin_dump_struct(a, goodfunc); // expected-error {{expected pointer to struct as 1st argument to '__builtin_dump_struct', found 'struct A'}}
23 }
24
25 int goodglobalfunc(const char*, ...);
26
valid_uses(void)27 void valid_uses(void) {
28 struct A {
29 };
30 union B {
31 };
32
33 int (*goodfunc)(const char *, ...);
34 int (*goodfunc2)();
35 void (*goodfunc3)(const char *, ...);
36 int (*goodfunc4)(char *, ...);
37 int (^goodblock)(const char*, ...);
38 struct A a;
39 union B b;
40
41 __builtin_dump_struct(&a, goodglobalfunc);
42 __builtin_dump_struct(&a, &goodglobalfunc);
43 __builtin_dump_struct(&a, goodfunc);
44 __builtin_dump_struct(&b, goodfunc);
45 __builtin_dump_struct(&a, goodfunc2);
46 __builtin_dump_struct(&a, goodfunc3);
47 __builtin_dump_struct(&a, goodfunc4);
48 __builtin_dump_struct(&a, goodblock);
49 }
50