1 // RUN: %clang_cc1 %s -verify -fsyntax-only 2 3 // Basic parsing/Sema tests for __atomic_* 4 5 // FIXME: Need to implement __atomic_is_lock_free 6 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 10 } memory_order; 11 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}} 17 18 __atomic_load(i, memory_order_seq_cst); 19 __atomic_load(p, memory_order_seq_cst); 20 __atomic_load(d, memory_order_seq_cst); 21 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'}} 25 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}} 29 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}} 33 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}} 37 } 38
