1// RUN: %clangxx_tsan %s -o %t
2// RUN: %run %t 2>&1 | FileCheck %s
3
4#include "bench.h"
5
6int *x;
7const int kStride = 32;
8
9void thread(int tid) {
10  __atomic_load_n(&x[tid * kStride], __ATOMIC_ACQUIRE);
11  for (int i = 0; i < bench_niter; i++)
12    __atomic_store_n(&x[tid * kStride], 0, __ATOMIC_RELEASE);
13}
14
15void bench() {
16  x = (int*)malloc(bench_nthread * kStride * sizeof(x[0]));
17  for (int i = 0; i < bench_nthread; i++)
18    __atomic_store_n(&x[i * kStride], 0, __ATOMIC_RELEASE);
19  start_thread_group(bench_nthread, thread);
20}
21
22// CHECK: DONE
23
24