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1 // RUN: %clang_cc1 %s -verify -fsyntax-only
2 
3 int f() __attribute__((deprecated)); // expected-note 2 {{'f' has been explicitly marked deprecated here}}
4 void g() __attribute__((deprecated));
5 void g(); // expected-note {{'g' has been explicitly marked deprecated here}}
6 
7 extern int var __attribute__((deprecated)); // expected-note {{'var' has been explicitly marked deprecated here}}
8 
a()9 int a() {
10   int (*ptr)() = f; // expected-warning {{'f' is deprecated}}
11   f(); // expected-warning {{'f' is deprecated}}
12 
13   // test if attributes propagate to functions
14   g(); // expected-warning {{'g' is deprecated}}
15 
16   return var; // expected-warning {{'var' is deprecated}}
17 }
18 
19 // test if attributes propagate to variables
20 extern int var; // expected-note {{'var' has been explicitly marked deprecated here}}
w()21 int w() {
22   return var; // expected-warning {{'var' is deprecated}}
23 }
24 
25 int old_fn() __attribute__ ((deprecated));
26 int old_fn(); // expected-note {{'old_fn' has been explicitly marked deprecated here}}
27 int (*fn_ptr)() = old_fn; // expected-warning {{'old_fn' is deprecated}}
28 
old_fn()29 int old_fn() {
30   return old_fn()+1;  // no warning, deprecated functions can use deprecated symbols.
31 }
32 
33 
34 struct foo {
35   int x __attribute__((deprecated)); // expected-note 3 {{'x' has been explicitly marked deprecated here}}
36 };
37 
test1(struct foo * F)38 void test1(struct foo *F) {
39   ++F->x;  // expected-warning {{'x' is deprecated}}
40   struct foo f1 = { .x = 17 }; // expected-warning {{'x' is deprecated}}
41   struct foo f2 = { 17 }; // expected-warning {{'x' is deprecated}}
42 }
43 
44 typedef struct foo foo_dep __attribute__((deprecated)); // expected-note 12 {{'foo_dep' has been explicitly marked deprecated here}}
45 foo_dep *test2;    // expected-warning {{'foo_dep' is deprecated}}
46 
47 struct __attribute__((deprecated,
48                       invalid_attribute)) bar_dep ;  // expected-warning {{unknown attribute 'invalid_attribute' ignored}} expected-note 2 {{'bar_dep' has been explicitly marked deprecated here}}
49 
50 struct bar_dep *test3;   // expected-warning {{'bar_dep' is deprecated}}
51 
52 
53 // These should not warn because the actually declaration itself is deprecated.
54 // rdar://6756623
55 foo_dep *test4 __attribute__((deprecated));
56 struct bar_dep *test5 __attribute__((deprecated));
57 
58 typedef foo_dep test6(struct bar_dep*); // expected-warning {{'foo_dep' is deprecated}} \
59                                         // expected-warning {{'bar_dep' is deprecated}}
60 typedef foo_dep test7(struct bar_dep*) __attribute__((deprecated));
61 
test8(char * p)62 int test8(char *p) {
63   p += sizeof(foo_dep); // expected-warning {{'foo_dep' is deprecated}}
64 
65   foo_dep *ptr;         // expected-warning {{'foo_dep' is deprecated}}
66   ptr = (foo_dep*) p;   // expected-warning {{'foo_dep' is deprecated}}
67 
68   int func(foo_dep *foo); // expected-warning {{'foo_dep' is deprecated}}
69   return func(ptr);
70 }
71 
72 foo_dep *test9(void) __attribute__((deprecated));
test9(void)73 foo_dep *test9(void) {
74   void* myalloc(unsigned long);
75 
76   foo_dep *ptr
77     = (foo_dep*)
78         myalloc(sizeof(foo_dep));
79   return ptr;
80 }
81 
82 void test10(void) __attribute__((deprecated));
test10(void)83 void test10(void) {
84   if (sizeof(foo_dep) == sizeof(void*)) {
85   }
86   foo_dep *localfunc(void);
87   foo_dep localvar;
88 }
89 
90 char test11[sizeof(foo_dep)] __attribute__((deprecated));
91 char test12[sizeof(foo_dep)]; // expected-warning {{'foo_dep' is deprecated}}
92 
93 int test13(foo_dep *foo) __attribute__((deprecated));
94 int test14(foo_dep *foo); // expected-warning {{'foo_dep' is deprecated}}
95 
96 unsigned long test15 = sizeof(foo_dep); // expected-warning {{'foo_dep' is deprecated}}
97 unsigned long test16 __attribute__((deprecated))
98   = sizeof(foo_dep);
99 
100 foo_dep test17, // expected-warning {{'foo_dep' is deprecated}}
101         test18 __attribute__((deprecated)),
102         test19;
103 
104 // rdar://problem/8518751
105 enum __attribute__((deprecated)) Test20 { // expected-note {{'Test20' has been explicitly marked deprecated here}}
106   test20_a __attribute__((deprecated)), // expected-note {{'test20_a' has been explicitly marked deprecated here}}
107   test20_b // expected-note {{'test20_b' has been explicitly marked deprecated here}}
108 };
test20()109 void test20() {
110   enum Test20 f; // expected-warning {{'Test20' is deprecated}}
111   f = test20_a; // expected-warning {{'test20_a' is deprecated}}
112   f = test20_b; // expected-warning {{'test20_b' is deprecated}}
113 }
114 
115 char test21[__has_feature(attribute_deprecated_with_message) ? 1 : -1];
116 
117 struct test22 {
118   foo_dep a __attribute((deprecated));
119   foo_dep b; // expected-warning {{'foo_dep' is deprecated}}
120   foo_dep c, d __attribute((deprecated)); // expected-warning {{'foo_dep' is deprecated}}
121   __attribute((deprecated)) foo_dep e, f;
122 };
123 
124 typedef int test23_ty __attribute((deprecated));
125 // Redefining a typedef is a C11 feature.
126 #if __STDC_VERSION__ <= 199901L
127 // expected-note@-3 {{'test23_ty' has been explicitly marked deprecated here}}
128 #else
129 typedef int test23_ty; // expected-note {{'test23_ty' has been explicitly marked deprecated here}}
130 #endif
131 test23_ty test23_v; // expected-warning {{'test23_ty' is deprecated}}
132