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
test_presence(void)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