Home | History | Annotate | Download | only in tsan
      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 
      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 
     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