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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 
      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}}
     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 
     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 
     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 
     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));
     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));
     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 };
    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