1 // RUN: %clangxx_tsan %s -o %t
2 // RUN: %run %t 2>&1 | FileCheck %s
3 
4 #include "bench.h"
5 
6 int *x;
7 const int kStride = 32;
8 
thread(int tid)9 void 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 
bench()15 void 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