You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
636 B
27 lines
636 B
4 months ago
|
// RUN: %clangxx_tsan %s -o %t
|
||
|
|
// RUN: %run %t 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
// bench.h needs pthread barriers which are not available on OS X
|
||
|
|
// UNSUPPORTED: darwin
|
||
|
|
|
||
|
|
#include "bench.h"
|
||
|
|
|
||
|
|
int *x;
|
||
|
|
const int kStride = 32;
|
||
|
|
|
||
|
|
void thread(int tid) {
|
||
|
|
__atomic_load_n(&x[tid * kStride], __ATOMIC_ACQUIRE);
|
||
|
|
for (int i = 0; i < bench_niter; i++)
|
||
|
|
__atomic_store_n(&x[tid * kStride], 0, __ATOMIC_RELEASE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void bench() {
|
||
|
|
x = (int*)malloc(bench_nthread * kStride * sizeof(x[0]));
|
||
|
|
for (int i = 0; i < bench_nthread; i++)
|
||
|
|
__atomic_store_n(&x[i * kStride], 0, __ATOMIC_RELEASE);
|
||
|
|
start_thread_group(bench_nthread, thread);
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: DONE
|
||
|
|
|