1// RUN: %clang_cc1 %s -emit-llvm -o - -triple=thumbv6m-none--eabi -target-cpu cortex-m0 | FileCheck %s
2
3int i;
4long long l;
5
6typedef enum memory_order {
7  memory_order_relaxed, memory_order_consume, memory_order_acquire,
8  memory_order_release, memory_order_acq_rel, memory_order_seq_cst
9} memory_order;
10
11void test_presence(void)
12{
13  // CHECK-LABEL: @test_presence
14  // CHECK: __atomic_fetch_add_4
15  __atomic_fetch_add(&i, 1, memory_order_seq_cst);
16  // CHECK: __atomic_fetch_sub_4
17  __atomic_fetch_sub(&i, 1, memory_order_seq_cst);
18  // CHECK: __atomic_load_4
19  int r;
20  __atomic_load(&i, &r, memory_order_seq_cst);
21  // CHECK: __atomic_store_4
22  r = 0;
23  __atomic_store(&i, &r, memory_order_seq_cst);
24
25  // CHECK: __atomic_fetch_add_8
26  __atomic_fetch_add(&l, 1, memory_order_seq_cst);
27  // CHECK: __atomic_fetch_sub_8
28  __atomic_fetch_sub(&l, 1, memory_order_seq_cst);
29  // CHECK: __atomic_load_8
30  long long rl;
31  __atomic_load(&l, &rl, memory_order_seq_cst);
32  // CHECK: __atomic_store_8
33  rl = 0;
34  __atomic_store(&l, &rl, memory_order_seq_cst);
35}
36