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// RUN: %clang_cc1 %s -emit-llvm -o - -triple=thumbv7m-none--eabi -target-cpu cortex-m3 | FileCheck %s
int i;
long long l;
typedef enum memory_order {
memory_order_relaxed, memory_order_consume, memory_order_acquire,
memory_order_release, memory_order_acq_rel, memory_order_seq_cst
} memory_order;
void test_presence(void)
{
// CHECK-LABEL: @test_presence
// CHECK: atomicrmw add i32* {{.*}} seq_cst, align 4
__atomic_fetch_add(&i, 1, memory_order_seq_cst);
// CHECK: atomicrmw sub i32* {{.*}} seq_cst, align 4
__atomic_fetch_sub(&i, 1, memory_order_seq_cst);
// CHECK: load atomic i32, i32* {{.*}} seq_cst, align 4
int r;
__atomic_load(&i, &r, memory_order_seq_cst);
// CHECK: store atomic i32 {{.*}} seq_cst, align 4
r = 0;
__atomic_store(&i, &r, memory_order_seq_cst);
// CHECK: __atomic_fetch_add_8
__atomic_fetch_add(&l, 1, memory_order_seq_cst);
// CHECK: __atomic_fetch_sub_8
__atomic_fetch_sub(&l, 1, memory_order_seq_cst);
// CHECK: __atomic_load_8
long long rl;
__atomic_load(&l, &rl, memory_order_seq_cst);
// CHECK: __atomic_store_8
rl = 0;
__atomic_store(&l, &rl, memory_order_seq_cst);
}
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