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