1 // RUN: %clangxx_tsan %s -o %t 2 // RUN: %run %t 2>&1 | FileCheck %s 3 4 // bench.h needs pthread barriers which are not available on OS X 5 // UNSUPPORTED: darwin 6 7 #include "bench.h" 8 9 int *x; 10 const int kStride = 32; 11 12 void thread(int tid) { 13 __atomic_load_n(&x[tid * kStride], __ATOMIC_ACQUIRE); 14 for (int i = 0; i < bench_niter; i++) 15 __atomic_store_n(&x[tid * kStride], 0, __ATOMIC_RELEASE); 16 } 17 18 void bench() { 19 x = (int*)malloc(bench_nthread * kStride * sizeof(x[0])); 20 for (int i = 0; i < bench_nthread; i++) 21 __atomic_store_n(&x[i * kStride], 0, __ATOMIC_RELEASE); 22 start_thread_group(bench_nthread, thread); 23 } 24 25 // CHECK: DONE 26 27
