llvm-project

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// RUN: %clangxx_tsan %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s
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// bench.h needs pthread barriers which are not available on OS X
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// UNSUPPORTED: darwin
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#include "bench.h"
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int x;
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void thread(int tid) {
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  for (int i = 0; i < bench_niter; i++)
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    __atomic_fetch_add(&x, 1, __ATOMIC_ACQ_REL);
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}
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void bench() {
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  start_thread_group(bench_nthread, thread);
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}
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// CHECK: DONE
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