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comparison compiler-rt/test/tsan/bench_release_only.cpp @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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147:c2174574ed3a 150:1d019706d866
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