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Diffstat (limited to 'test/CodeGen/arm-atomics-m.c')
-rw-r--r-- | test/CodeGen/arm-atomics-m.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/CodeGen/arm-atomics-m.c b/test/CodeGen/arm-atomics-m.c new file mode 100644 index 000000000000..51e2d1d9ebf2 --- /dev/null +++ b/test/CodeGen/arm-atomics-m.c @@ -0,0 +1,35 @@ +// 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 + __atomic_fetch_add(&i, 1, memory_order_seq_cst); + // CHECK: atomicrmw sub i32* {{.*}} seq_cst + __atomic_fetch_sub(&i, 1, memory_order_seq_cst); + // CHECK: load atomic i32* {{.*}} seq_cst + int r; + __atomic_load(&i, &r, memory_order_seq_cst); + // CHECK: store atomic i32 {{.*}} seq_cst + 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); +} |