1 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=thumbv7-none--eabi | FileCheck %s
2 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv6-none--eabi | FileCheck %s
3 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv7-unknown-openbsd | FileCheck %s
4 
5 int i;
6 long long l;
7 
8 typedef enum memory_order {
9   memory_order_relaxed, memory_order_consume, memory_order_acquire,
10   memory_order_release, memory_order_acq_rel, memory_order_seq_cst
11 } memory_order;
12 
13 void test_presence(void)
14 {
15   // CHECK-LABEL: @test_presence
16   // CHECK: atomicrmw add i32* {{.*}} seq_cst
17   __atomic_fetch_add(&i, 1, memory_order_seq_cst);
18   // CHECK: atomicrmw sub i32* {{.*}} seq_cst
19   __atomic_fetch_sub(&i, 1, memory_order_seq_cst);
20   // CHECK: load atomic i32* {{.*}} seq_cst
21   int r;
22   __atomic_load(&i, &r, memory_order_seq_cst);
23   // CHECK: store atomic i32 {{.*}} seq_cst
24   r = 0;
25   __atomic_store(&i, &r, memory_order_seq_cst);
26 
27   // CHECK: atomicrmw add i64* {{.*}} seq_cst
28   __atomic_fetch_add(&l, 1, memory_order_seq_cst);
29   // CHECK: atomicrmw sub i64* {{.*}} seq_cst
30   __atomic_fetch_sub(&l, 1, memory_order_seq_cst);
31   // CHECK: load atomic i64* {{.*}} seq_cst
32   long long rl;
33   __atomic_load(&l, &rl, memory_order_seq_cst);
34   // CHECK: store atomic i64 {{.*}} seq_cst
35   rl = 0;
36   __atomic_store(&l, &rl, memory_order_seq_cst);
37 }
38