1 // RUN: %clang_cc1 %s -verify -fsyntax-only
3 // Basic parsing/Sema tests for __atomic_*
5 // FIXME: Need to implement __atomic_is_lock_free
7 typedef enum memory_order {
8 memory_order_relaxed, memory_order_consume, memory_order_acquire,
9 memory_order_release, memory_order_acq_rel, memory_order_seq_cst
12 void f(_Atomic(int) *i, _Atomic(int*) *p, _Atomic(float) *d) {
13 __atomic_load(0); // expected-error {{too few arguments to function}}
14 __atomic_load(0,0,0); // expected-error {{too many arguments to function}}
15 __atomic_store(0,0,0); // expected-error {{first argument to atomic operation}}
16 __atomic_store((int*)0,0,0); // expected-error {{first argument to atomic operation}}
18 __atomic_load(i, memory_order_seq_cst);
19 __atomic_load(p, memory_order_seq_cst);
20 __atomic_load(d, memory_order_seq_cst);
22 __atomic_store(i, 1, memory_order_seq_cst);
23 __atomic_store(p, 1, memory_order_seq_cst); // expected-warning {{incompatible integer to pointer conversion}}
24 (int)__atomic_store(d, 1, memory_order_seq_cst); // expected-error {{operand of type 'void'}}
26 __atomic_fetch_add(i, 1, memory_order_seq_cst);
27 __atomic_fetch_add(p, 1, memory_order_seq_cst);
28 __atomic_fetch_add(d, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer or pointer}}
30 __atomic_fetch_and(i, 1, memory_order_seq_cst);
31 __atomic_fetch_and(p, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer}}
32 __atomic_fetch_and(d, 1, memory_order_seq_cst); // expected-error {{must be a pointer to atomic integer}}
34 __atomic_compare_exchange_strong(i, 0, 1, memory_order_seq_cst, memory_order_seq_cst);
35 __atomic_compare_exchange_strong(p, 0, (int*)1, memory_order_seq_cst, memory_order_seq_cst);
36 __atomic_compare_exchange_strong(d, (int*)0, 1, memory_order_seq_cst, memory_order_seq_cst); // expected-warning {{incompatible pointer types}}