1// RUN: %clang_cc1 %s -verify -ffreestanding -fsyntax-only -triple=i686-linux-gnu -std=c11
2
3// Basic parsing/Sema tests for __c11_atomic_*
4
5#include <stdatomic.h>
6
7struct S { char c[3]; };
8
9_Static_assert(__GCC_ATOMIC_BOOL_LOCK_FREE == 2, "");
10_Static_assert(__GCC_ATOMIC_CHAR_LOCK_FREE == 2, "");
11_Static_assert(__GCC_ATOMIC_CHAR16_T_LOCK_FREE == 2, "");
12_Static_assert(__GCC_ATOMIC_CHAR32_T_LOCK_FREE == 2, "");
13_Static_assert(__GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2, "");
14_Static_assert(__GCC_ATOMIC_SHORT_LOCK_FREE == 2, "");
15_Static_assert(__GCC_ATOMIC_INT_LOCK_FREE == 2, "");
16_Static_assert(__GCC_ATOMIC_LONG_LOCK_FREE == 2, "");
17#ifdef __i386__
18_Static_assert(__GCC_ATOMIC_LLONG_LOCK_FREE == 1, "");
19#else
20_Static_assert(__GCC_ATOMIC_LLONG_LOCK_FREE == 2, "");
21#endif
22_Static_assert(__GCC_ATOMIC_POINTER_LOCK_FREE == 2, "");
23
24_Static_assert(__c11_atomic_is_lock_free(1), "");
25_Static_assert(__c11_atomic_is_lock_free(2), "");
26_Static_assert(__c11_atomic_is_lock_free(3), ""); // expected-error {{not an integral constant expression}}
27_Static_assert(__c11_atomic_is_lock_free(4), "");
28_Static_assert(__c11_atomic_is_lock_free(8), "");
29_Static_assert(__c11_atomic_is_lock_free(16), ""); // expected-error {{not an integral constant expression}}
30_Static_assert(__c11_atomic_is_lock_free(17), ""); // expected-error {{not an integral constant expression}}
31
32_Static_assert(__atomic_is_lock_free(1, 0), "");
33_Static_assert(__atomic_is_lock_free(2, 0), "");
34_Static_assert(__atomic_is_lock_free(3, 0), ""); // expected-error {{not an integral constant expression}}
35_Static_assert(__atomic_is_lock_free(4, 0), "");
36_Static_assert(__atomic_is_lock_free(8, 0), "");
37_Static_assert(__atomic_is_lock_free(16, 0), ""); // expected-error {{not an integral constant expression}}
38_Static_assert(__atomic_is_lock_free(17, 0), ""); // expected-error {{not an integral constant expression}}
39
40_Static_assert(atomic_is_lock_free((atomic_char*)0), "");
41_Static_assert(atomic_is_lock_free((atomic_short*)0), "");
42_Static_assert(atomic_is_lock_free((atomic_int*)0), "");
43_Static_assert(atomic_is_lock_free((atomic_long*)0), "");
44// expected-error@+1 {{__int128 is not supported on this target}}
45_Static_assert(atomic_is_lock_free((_Atomic(__int128)*)0), ""); // expected-error {{not an integral constant expression}}
46_Static_assert(atomic_is_lock_free(0 + (atomic_char*)0), "");
47
48char i8;
49short i16;
50int i32;
51int __attribute__((vector_size(8))) i64;
52struct Incomplete *incomplete; // expected-note {{forward declaration of 'struct Incomplete'}}
53
54_Static_assert(__atomic_is_lock_free(1, &i8), "");
55_Static_assert(__atomic_is_lock_free(1, &i64), "");
56_Static_assert(__atomic_is_lock_free(2, &i8), ""); // expected-error {{not an integral constant expression}}
57_Static_assert(__atomic_is_lock_free(2, &i16), "");
58_Static_assert(__atomic_is_lock_free(2, &i64), "");
59_Static_assert(__atomic_is_lock_free(4, &i16), ""); // expected-error {{not an integral constant expression}}
60_Static_assert(__atomic_is_lock_free(4, &i32), "");
61_Static_assert(__atomic_is_lock_free(4, &i64), "");
62_Static_assert(__atomic_is_lock_free(8, &i32), ""); // expected-error {{not an integral constant expression}}
63_Static_assert(__atomic_is_lock_free(8, &i64), "");
64
65_Static_assert(__atomic_always_lock_free(1, 0), "");
66_Static_assert(__atomic_always_lock_free(2, 0), "");
67_Static_assert(!__atomic_always_lock_free(3, 0), "");
68_Static_assert(__atomic_always_lock_free(4, 0), "");
69_Static_assert(__atomic_always_lock_free(8, 0), "");
70_Static_assert(!__atomic_always_lock_free(16, 0), "");
71_Static_assert(!__atomic_always_lock_free(17, 0), "");
72
73_Static_assert(__atomic_always_lock_free(1, incomplete), "");
74_Static_assert(!__atomic_always_lock_free(2, incomplete), "");
75_Static_assert(!__atomic_always_lock_free(4, incomplete), "");
76
77_Static_assert(__atomic_always_lock_free(1, &i8), "");
78_Static_assert(__atomic_always_lock_free(1, &i64), "");
79_Static_assert(!__atomic_always_lock_free(2, &i8), "");
80_Static_assert(__atomic_always_lock_free(2, &i16), "");
81_Static_assert(__atomic_always_lock_free(2, &i64), "");
82_Static_assert(!__atomic_always_lock_free(4, &i16), "");
83_Static_assert(__atomic_always_lock_free(4, &i32), "");
84_Static_assert(__atomic_always_lock_free(4, &i64), "");
85_Static_assert(!__atomic_always_lock_free(8, &i32), "");
86_Static_assert(__atomic_always_lock_free(8, &i64), "");
87
88void f(_Atomic(int) *i, _Atomic(int*) *p, _Atomic(float) *d,
89       int *I, int **P, float *D, struct S *s1, struct S *s2) {
90  __c11_atomic_init(I, 5); // expected-error {{pointer to _Atomic}}
91  __c11_atomic_load(0); // expected-error {{too few arguments to function}}
92  __c11_atomic_load(0,0,0); // expected-error {{too many arguments to function}}
93  __c11_atomic_store(0,0,0); // expected-error {{address argument to atomic builtin must be a pointer}}
94  __c11_atomic_store((int*)0,0,0); // expected-error {{address argument to atomic operation must be a pointer to _Atomic}}
95
96  __c11_atomic_load(i, memory_order_seq_cst);
97  __c11_atomic_load(p, memory_order_seq_cst);
98  __c11_atomic_load(d, memory_order_seq_cst);
99
100  int load_n_1 = __atomic_load_n(I, memory_order_relaxed);
101  int *load_n_2 = __atomic_load_n(P, memory_order_relaxed);
102  float load_n_3 = __atomic_load_n(D, memory_order_relaxed); // expected-error {{must be a pointer to integer or pointer}}
103  __atomic_load_n(s1, memory_order_relaxed); // expected-error {{must be a pointer to integer or pointer}}
104
105  __atomic_load(i, I, memory_order_relaxed); // expected-error {{must be a pointer to a trivially-copyable type}}
106  __atomic_load(I, i, memory_order_relaxed); // expected-warning {{passing '_Atomic(int) *' to parameter of type 'int *'}}
107  __atomic_load(I, *P, memory_order_relaxed);
108  __atomic_load(I, *P, memory_order_relaxed, 42); // expected-error {{too many arguments}}
109  (int)__atomic_load(I, I, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
110  __atomic_load(s1, s2, memory_order_acquire);
111
112  __c11_atomic_store(i, 1, memory_order_seq_cst);
113  __c11_atomic_store(p, 1, memory_order_seq_cst); // expected-warning {{incompatible integer to pointer conversion}}
114  (int)__c11_atomic_store(d, 1, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
115
116  __atomic_store_n(I, 4, memory_order_release);
117  __atomic_store_n(I, 4.0, memory_order_release);
118  __atomic_store_n(I, P, memory_order_release); // expected-warning {{parameter of type 'int'}}
119  __atomic_store_n(i, 1, memory_order_release); // expected-error {{must be a pointer to integer or pointer}}
120  __atomic_store_n(s1, *s2, memory_order_release); // expected-error {{must be a pointer to integer or pointer}}
121
122  __atomic_store(I, *P, memory_order_release);
123  __atomic_store(s1, s2, memory_order_release);
124  __atomic_store(i, I, memory_order_release); // expected-error {{trivially-copyable}}
125
126  int exchange_1 = __c11_atomic_exchange(i, 1, memory_order_seq_cst);
127  int exchange_2 = __c11_atomic_exchange(I, 1, memory_order_seq_cst); // expected-error {{must be a pointer to _Atomic}}
128  int exchange_3 = __atomic_exchange_n(i, 1, memory_order_seq_cst); // expected-error {{must be a pointer to integer or pointer}}
129  int exchange_4 = __atomic_exchange_n(I, 1, memory_order_seq_cst);
130
131  __atomic_exchange(s1, s2, s2, memory_order_seq_cst);
132  __atomic_exchange(s1, I, P, memory_order_seq_cst); // expected-warning 2{{parameter of type 'struct S *'}}
133  (int)__atomic_exchange(s1, s2, s2, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
134
135  __c11_atomic_fetch_add(i, 1, memory_order_seq_cst);
136  __c11_atomic_fetch_add(p, 1, memory_order_seq_cst);
137  __c11_atomic_fetch_add(d, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer or pointer}}
138
139  __atomic_fetch_add(i, 3, memory_order_seq_cst); // expected-error {{pointer to integer or pointer}}
140  __atomic_fetch_sub(I, 3, memory_order_seq_cst);
141  __atomic_fetch_sub(P, 3, memory_order_seq_cst);
142  __atomic_fetch_sub(D, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer or pointer}}
143  __atomic_fetch_sub(s1, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer or pointer}}
144
145  __c11_atomic_fetch_and(i, 1, memory_order_seq_cst);
146  __c11_atomic_fetch_and(p, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer}}
147  __c11_atomic_fetch_and(d, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer}}
148
149  __atomic_fetch_and(i, 3, memory_order_seq_cst); // expected-error {{pointer to integer}}
150  __atomic_fetch_or(I, 3, memory_order_seq_cst);
151  __atomic_fetch_xor(P, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer}}
152  __atomic_fetch_or(D, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer}}
153  __atomic_fetch_and(s1, 3, memory_order_seq_cst); // expected-error {{must be a pointer to integer}}
154
155  _Bool cmpexch_1 = __c11_atomic_compare_exchange_strong(i, 0, 1, memory_order_seq_cst, memory_order_seq_cst);
156  _Bool cmpexch_2 = __c11_atomic_compare_exchange_strong(p, 0, (int*)1, memory_order_seq_cst, memory_order_seq_cst);
157  _Bool cmpexch_3 = __c11_atomic_compare_exchange_strong(d, (int*)0, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{incompatible pointer types}}
158
159  _Bool cmpexch_4 = __atomic_compare_exchange_n(I, I, 5, 1, memory_order_seq_cst, memory_order_seq_cst);
160  _Bool cmpexch_5 = __atomic_compare_exchange_n(I, P, 5, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{; dereference with *}}
161  _Bool cmpexch_6 = __atomic_compare_exchange_n(I, I, P, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{passing 'int **' to parameter of type 'int'}}
162
163  _Bool cmpexch_7 = __atomic_compare_exchange(I, I, 5, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{passing 'int' to parameter of type 'int *'}}
164  _Bool cmpexch_8 = __atomic_compare_exchange(I, P, I, 0, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{; dereference with *}}
165  _Bool cmpexch_9 = __atomic_compare_exchange(I, I, I, 0, memory_order_seq_cst, memory_order_seq_cst);
166
167  const volatile int flag_k = 0;
168  volatile int flag = 0;
169  (void)(int)__atomic_test_and_set(&flag_k, memory_order_seq_cst); // expected-warning {{passing 'const volatile int *' to parameter of type 'volatile void *'}}
170  (void)(int)__atomic_test_and_set(&flag, memory_order_seq_cst);
171  __atomic_clear(&flag_k, memory_order_seq_cst); // expected-warning {{passing 'const volatile int *' to parameter of type 'volatile void *'}}
172  __atomic_clear(&flag, memory_order_seq_cst);
173  (int)__atomic_clear(&flag, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
174
175  const _Atomic(int) const_atomic;
176  __c11_atomic_init(&const_atomic, 0); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
177  __c11_atomic_store(&const_atomic, 0, memory_order_release); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
178  __c11_atomic_load(&const_atomic, memory_order_acquire); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const _Atomic(int) *' invalid)}}
179
180  // Ensure the <stdatomic.h> macros behave appropriately.
181  atomic_int n = ATOMIC_VAR_INIT(123);
182  atomic_init(&n, 456);
183  atomic_init(&n, (void*)0); // expected-warning {{passing 'void *' to parameter of type 'int'}}
184
185  const atomic_wchar_t cawt;
186  atomic_init(&cawt, L'x'); // expected-error {{non-const}}
187  atomic_wchar_t awt;
188  atomic_init(&awt, L'x');
189
190  int x = kill_dependency(12);
191
192  atomic_thread_fence(); // expected-error {{too few arguments to function call}}
193  atomic_thread_fence(memory_order_seq_cst);
194  atomic_signal_fence(memory_order_seq_cst);
195  void (*pfn)(memory_order) = &atomic_thread_fence;
196  pfn = &atomic_signal_fence;
197
198  int k = atomic_load_explicit(&n, memory_order_relaxed);
199  atomic_store_explicit(&n, k, memory_order_relaxed);
200  atomic_store(&n, atomic_load(&n));
201
202  k = atomic_exchange(&n, 72);
203  k = atomic_exchange_explicit(&n, k, memory_order_release);
204
205  atomic_compare_exchange_strong(&n, k, k); // expected-warning {{take the address with &}}
206  atomic_compare_exchange_weak(&n, &k, k);
207  atomic_compare_exchange_strong_explicit(&n, &k, k, memory_order_seq_cst); // expected-error {{too few arguments}}
208  atomic_compare_exchange_weak_explicit(&n, &k, k, memory_order_seq_cst, memory_order_acquire);
209
210  atomic_fetch_add(&k, n); // expected-error {{must be a pointer to _Atomic}}
211  k = atomic_fetch_add(&n, k);
212  k = atomic_fetch_sub(&n, k);
213  k = atomic_fetch_and(&n, k);
214  k = atomic_fetch_or(&n, k);
215  k = atomic_fetch_xor(&n, k);
216  k = atomic_fetch_add_explicit(&n, k, memory_order_acquire);
217  k = atomic_fetch_sub_explicit(&n, k, memory_order_release);
218  k = atomic_fetch_and_explicit(&n, k, memory_order_acq_rel);
219  k = atomic_fetch_or_explicit(&n, k, memory_order_consume);
220  k = atomic_fetch_xor_explicit(&n, k, memory_order_relaxed);
221
222  // C11 7.17.1/4: atomic_flag is a structure type.
223  struct atomic_flag must_be_struct = ATOMIC_FLAG_INIT;
224  // C11 7.17.8/5 implies that it is also a typedef type.
225  atomic_flag guard = ATOMIC_FLAG_INIT;
226  _Bool old_val = atomic_flag_test_and_set(&guard);
227  if (old_val) atomic_flag_clear(&guard);
228
229  old_val = (atomic_flag_test_and_set)(&guard);
230  if (old_val) (atomic_flag_clear)(&guard);
231
232  const atomic_flag const_guard;
233  atomic_flag_test_and_set(&const_guard); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const atomic_bool *' (aka 'const _Atomic(_Bool) *') invalid)}}
234  atomic_flag_clear(&const_guard); // expected-error {{address argument to atomic operation must be a pointer to non-const _Atomic type ('const atomic_bool *' (aka 'const _Atomic(_Bool) *') invalid)}}
235}
236
237_Atomic(int*) PR12527_a;
238void PR12527() { int *b = PR12527_a; }
239
240void PR16931(int* x) { // expected-note {{passing argument to parameter 'x' here}}
241  typedef struct { _Atomic(_Bool) flag; } flag;
242  flag flagvar = { 0 };
243  PR16931(&flagvar); // expected-warning {{incompatible pointer types}}
244}
245
246void memory_checks(_Atomic(int) *Ap, int *p, int val) {
247  (void)__c11_atomic_load(Ap, memory_order_relaxed);
248  (void)__c11_atomic_load(Ap, memory_order_acquire);
249  (void)__c11_atomic_load(Ap, memory_order_consume);
250  (void)__c11_atomic_load(Ap, memory_order_release); // expected-warning {{memory order argument to atomic operation is invalid}}
251  (void)__c11_atomic_load(Ap, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
252  (void)__c11_atomic_load(Ap, memory_order_seq_cst);
253  (void)__c11_atomic_load(Ap, val);
254  (void)__c11_atomic_load(Ap, -1); // expected-warning {{memory order argument to atomic operation is invalid}}
255  (void)__c11_atomic_load(Ap, 42); // expected-warning {{memory order argument to atomic operation is invalid}}
256
257  (void)__c11_atomic_store(Ap, val, memory_order_relaxed);
258  (void)__c11_atomic_store(Ap, val, memory_order_acquire); // expected-warning {{memory order argument to atomic operation is invalid}}
259  (void)__c11_atomic_store(Ap, val, memory_order_consume); // expected-warning {{memory order argument to atomic operation is invalid}}
260  (void)__c11_atomic_store(Ap, val, memory_order_release);
261  (void)__c11_atomic_store(Ap, val, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
262  (void)__c11_atomic_store(Ap, val, memory_order_seq_cst);
263
264  (void)__c11_atomic_fetch_add(Ap, 1, memory_order_relaxed);
265  (void)__c11_atomic_fetch_add(Ap, 1, memory_order_acquire);
266  (void)__c11_atomic_fetch_add(Ap, 1, memory_order_consume);
267  (void)__c11_atomic_fetch_add(Ap, 1, memory_order_release);
268  (void)__c11_atomic_fetch_add(Ap, 1, memory_order_acq_rel);
269  (void)__c11_atomic_fetch_add(Ap, 1, memory_order_seq_cst);
270
271  (void)__c11_atomic_fetch_add(
272      (struct Incomplete * _Atomic *)0, // expected-error {{incomplete type 'struct Incomplete'}}
273      1, memory_order_seq_cst);
274
275  (void)__c11_atomic_init(Ap, val);
276  (void)__c11_atomic_init(Ap, val);
277  (void)__c11_atomic_init(Ap, val);
278  (void)__c11_atomic_init(Ap, val);
279  (void)__c11_atomic_init(Ap, val);
280  (void)__c11_atomic_init(Ap, val);
281
282  (void)__c11_atomic_fetch_sub(Ap, val, memory_order_relaxed);
283  (void)__c11_atomic_fetch_sub(Ap, val, memory_order_acquire);
284  (void)__c11_atomic_fetch_sub(Ap, val, memory_order_consume);
285  (void)__c11_atomic_fetch_sub(Ap, val, memory_order_release);
286  (void)__c11_atomic_fetch_sub(Ap, val, memory_order_acq_rel);
287  (void)__c11_atomic_fetch_sub(Ap, val, memory_order_seq_cst);
288
289  (void)__c11_atomic_fetch_and(Ap, val, memory_order_relaxed);
290  (void)__c11_atomic_fetch_and(Ap, val, memory_order_acquire);
291  (void)__c11_atomic_fetch_and(Ap, val, memory_order_consume);
292  (void)__c11_atomic_fetch_and(Ap, val, memory_order_release);
293  (void)__c11_atomic_fetch_and(Ap, val, memory_order_acq_rel);
294  (void)__c11_atomic_fetch_and(Ap, val, memory_order_seq_cst);
295
296  (void)__c11_atomic_fetch_or(Ap, val, memory_order_relaxed);
297  (void)__c11_atomic_fetch_or(Ap, val, memory_order_acquire);
298  (void)__c11_atomic_fetch_or(Ap, val, memory_order_consume);
299  (void)__c11_atomic_fetch_or(Ap, val, memory_order_release);
300  (void)__c11_atomic_fetch_or(Ap, val, memory_order_acq_rel);
301  (void)__c11_atomic_fetch_or(Ap, val, memory_order_seq_cst);
302
303  (void)__c11_atomic_fetch_xor(Ap, val, memory_order_relaxed);
304  (void)__c11_atomic_fetch_xor(Ap, val, memory_order_acquire);
305  (void)__c11_atomic_fetch_xor(Ap, val, memory_order_consume);
306  (void)__c11_atomic_fetch_xor(Ap, val, memory_order_release);
307  (void)__c11_atomic_fetch_xor(Ap, val, memory_order_acq_rel);
308  (void)__c11_atomic_fetch_xor(Ap, val, memory_order_seq_cst);
309
310  (void)__c11_atomic_exchange(Ap, val, memory_order_relaxed);
311  (void)__c11_atomic_exchange(Ap, val, memory_order_acquire);
312  (void)__c11_atomic_exchange(Ap, val, memory_order_consume);
313  (void)__c11_atomic_exchange(Ap, val, memory_order_release);
314  (void)__c11_atomic_exchange(Ap, val, memory_order_acq_rel);
315  (void)__c11_atomic_exchange(Ap, val, memory_order_seq_cst);
316
317  (void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_relaxed, memory_order_relaxed);
318  (void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_acquire, memory_order_relaxed);
319  (void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_consume, memory_order_relaxed);
320  (void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_release, memory_order_relaxed);
321  (void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_acq_rel, memory_order_relaxed);
322  (void)__c11_atomic_compare_exchange_strong(Ap, p, val, memory_order_seq_cst, memory_order_relaxed);
323
324  (void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_relaxed, memory_order_relaxed);
325  (void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_acquire, memory_order_relaxed);
326  (void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_consume, memory_order_relaxed);
327  (void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_release, memory_order_relaxed);
328  (void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_acq_rel, memory_order_relaxed);
329  (void)__c11_atomic_compare_exchange_weak(Ap, p, val, memory_order_seq_cst, memory_order_relaxed);
330
331  (void)__atomic_load_n(p, memory_order_relaxed);
332  (void)__atomic_load_n(p, memory_order_acquire);
333  (void)__atomic_load_n(p, memory_order_consume);
334  (void)__atomic_load_n(p, memory_order_release); // expected-warning {{memory order argument to atomic operation is invalid}}
335  (void)__atomic_load_n(p, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
336  (void)__atomic_load_n(p, memory_order_seq_cst);
337
338  (void)__atomic_load(p, p, memory_order_relaxed);
339  (void)__atomic_load(p, p, memory_order_acquire);
340  (void)__atomic_load(p, p, memory_order_consume);
341  (void)__atomic_load(p, p, memory_order_release); // expected-warning {{memory order argument to atomic operation is invalid}}
342  (void)__atomic_load(p, p, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
343  (void)__atomic_load(p, p, memory_order_seq_cst);
344
345  (void)__atomic_store(p, p, memory_order_relaxed);
346  (void)__atomic_store(p, p, memory_order_acquire); // expected-warning {{memory order argument to atomic operation is invalid}}
347  (void)__atomic_store(p, p, memory_order_consume); // expected-warning {{memory order argument to atomic operation is invalid}}
348  (void)__atomic_store(p, p, memory_order_release);
349  (void)__atomic_store(p, p, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
350  (void)__atomic_store(p, p, memory_order_seq_cst);
351
352  (void)__atomic_store_n(p, val, memory_order_relaxed);
353  (void)__atomic_store_n(p, val, memory_order_acquire); // expected-warning {{memory order argument to atomic operation is invalid}}
354  (void)__atomic_store_n(p, val, memory_order_consume); // expected-warning {{memory order argument to atomic operation is invalid}}
355  (void)__atomic_store_n(p, val, memory_order_release);
356  (void)__atomic_store_n(p, val, memory_order_acq_rel); // expected-warning {{memory order argument to atomic operation is invalid}}
357  (void)__atomic_store_n(p, val, memory_order_seq_cst);
358
359  (void)__atomic_fetch_add(p, val, memory_order_relaxed);
360  (void)__atomic_fetch_add(p, val, memory_order_acquire);
361  (void)__atomic_fetch_add(p, val, memory_order_consume);
362  (void)__atomic_fetch_add(p, val, memory_order_release);
363  (void)__atomic_fetch_add(p, val, memory_order_acq_rel);
364  (void)__atomic_fetch_add(p, val, memory_order_seq_cst);
365
366  (void)__atomic_fetch_sub(p, val, memory_order_relaxed);
367  (void)__atomic_fetch_sub(p, val, memory_order_acquire);
368  (void)__atomic_fetch_sub(p, val, memory_order_consume);
369  (void)__atomic_fetch_sub(p, val, memory_order_release);
370  (void)__atomic_fetch_sub(p, val, memory_order_acq_rel);
371  (void)__atomic_fetch_sub(p, val, memory_order_seq_cst);
372
373  (void)__atomic_add_fetch(p, val, memory_order_relaxed);
374  (void)__atomic_add_fetch(p, val, memory_order_acquire);
375  (void)__atomic_add_fetch(p, val, memory_order_consume);
376  (void)__atomic_add_fetch(p, val, memory_order_release);
377  (void)__atomic_add_fetch(p, val, memory_order_acq_rel);
378  (void)__atomic_add_fetch(p, val, memory_order_seq_cst);
379
380  (void)__atomic_sub_fetch(p, val, memory_order_relaxed);
381  (void)__atomic_sub_fetch(p, val, memory_order_acquire);
382  (void)__atomic_sub_fetch(p, val, memory_order_consume);
383  (void)__atomic_sub_fetch(p, val, memory_order_release);
384  (void)__atomic_sub_fetch(p, val, memory_order_acq_rel);
385  (void)__atomic_sub_fetch(p, val, memory_order_seq_cst);
386
387  (void)__atomic_fetch_and(p, val, memory_order_relaxed);
388  (void)__atomic_fetch_and(p, val, memory_order_acquire);
389  (void)__atomic_fetch_and(p, val, memory_order_consume);
390  (void)__atomic_fetch_and(p, val, memory_order_release);
391  (void)__atomic_fetch_and(p, val, memory_order_acq_rel);
392  (void)__atomic_fetch_and(p, val, memory_order_seq_cst);
393
394  (void)__atomic_fetch_or(p, val, memory_order_relaxed);
395  (void)__atomic_fetch_or(p, val, memory_order_acquire);
396  (void)__atomic_fetch_or(p, val, memory_order_consume);
397  (void)__atomic_fetch_or(p, val, memory_order_release);
398  (void)__atomic_fetch_or(p, val, memory_order_acq_rel);
399  (void)__atomic_fetch_or(p, val, memory_order_seq_cst);
400
401  (void)__atomic_fetch_xor(p, val, memory_order_relaxed);
402  (void)__atomic_fetch_xor(p, val, memory_order_acquire);
403  (void)__atomic_fetch_xor(p, val, memory_order_consume);
404  (void)__atomic_fetch_xor(p, val, memory_order_release);
405  (void)__atomic_fetch_xor(p, val, memory_order_acq_rel);
406  (void)__atomic_fetch_xor(p, val, memory_order_seq_cst);
407
408  (void)__atomic_fetch_nand(p, val, memory_order_relaxed);
409  (void)__atomic_fetch_nand(p, val, memory_order_acquire);
410  (void)__atomic_fetch_nand(p, val, memory_order_consume);
411  (void)__atomic_fetch_nand(p, val, memory_order_release);
412  (void)__atomic_fetch_nand(p, val, memory_order_acq_rel);
413  (void)__atomic_fetch_nand(p, val, memory_order_seq_cst);
414
415  (void)__atomic_and_fetch(p, val, memory_order_relaxed);
416  (void)__atomic_and_fetch(p, val, memory_order_acquire);
417  (void)__atomic_and_fetch(p, val, memory_order_consume);
418  (void)__atomic_and_fetch(p, val, memory_order_release);
419  (void)__atomic_and_fetch(p, val, memory_order_acq_rel);
420  (void)__atomic_and_fetch(p, val, memory_order_seq_cst);
421
422  (void)__atomic_or_fetch(p, val, memory_order_relaxed);
423  (void)__atomic_or_fetch(p, val, memory_order_acquire);
424  (void)__atomic_or_fetch(p, val, memory_order_consume);
425  (void)__atomic_or_fetch(p, val, memory_order_release);
426  (void)__atomic_or_fetch(p, val, memory_order_acq_rel);
427  (void)__atomic_or_fetch(p, val, memory_order_seq_cst);
428
429  (void)__atomic_xor_fetch(p, val, memory_order_relaxed);
430  (void)__atomic_xor_fetch(p, val, memory_order_acquire);
431  (void)__atomic_xor_fetch(p, val, memory_order_consume);
432  (void)__atomic_xor_fetch(p, val, memory_order_release);
433  (void)__atomic_xor_fetch(p, val, memory_order_acq_rel);
434  (void)__atomic_xor_fetch(p, val, memory_order_seq_cst);
435
436  (void)__atomic_nand_fetch(p, val, memory_order_relaxed);
437  (void)__atomic_nand_fetch(p, val, memory_order_acquire);
438  (void)__atomic_nand_fetch(p, val, memory_order_consume);
439  (void)__atomic_nand_fetch(p, val, memory_order_release);
440  (void)__atomic_nand_fetch(p, val, memory_order_acq_rel);
441  (void)__atomic_nand_fetch(p, val, memory_order_seq_cst);
442
443  (void)__atomic_exchange_n(p, val, memory_order_relaxed);
444  (void)__atomic_exchange_n(p, val, memory_order_acquire);
445  (void)__atomic_exchange_n(p, val, memory_order_consume);
446  (void)__atomic_exchange_n(p, val, memory_order_release);
447  (void)__atomic_exchange_n(p, val, memory_order_acq_rel);
448  (void)__atomic_exchange_n(p, val, memory_order_seq_cst);
449
450  (void)__atomic_exchange(p, p, p, memory_order_relaxed);
451  (void)__atomic_exchange(p, p, p, memory_order_acquire);
452  (void)__atomic_exchange(p, p, p, memory_order_consume);
453  (void)__atomic_exchange(p, p, p, memory_order_release);
454  (void)__atomic_exchange(p, p, p, memory_order_acq_rel);
455  (void)__atomic_exchange(p, p, p, memory_order_seq_cst);
456
457  (void)__atomic_compare_exchange(p, p, p, 0, memory_order_relaxed, memory_order_relaxed);
458  (void)__atomic_compare_exchange(p, p, p, 0, memory_order_acquire, memory_order_relaxed);
459  (void)__atomic_compare_exchange(p, p, p, 0, memory_order_consume, memory_order_relaxed);
460  (void)__atomic_compare_exchange(p, p, p, 0, memory_order_release, memory_order_relaxed);
461  (void)__atomic_compare_exchange(p, p, p, 0, memory_order_acq_rel, memory_order_relaxed);
462  (void)__atomic_compare_exchange(p, p, p, 0, memory_order_seq_cst, memory_order_relaxed);
463
464  (void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_relaxed, memory_order_relaxed);
465  (void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_acquire, memory_order_relaxed);
466  (void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_consume, memory_order_relaxed);
467  (void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_release, memory_order_relaxed);
468  (void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_acq_rel, memory_order_relaxed);
469  (void)__atomic_compare_exchange_n(p, p, val, 0, memory_order_seq_cst, memory_order_relaxed);
470}
471
472
473