| 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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| 36 | |
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