Mercurial > hg > CbC > CbC_llvm
comparison compiler-rt/test/tsan/bench_single_writer.cpp @ 150:1d019706d866
LLVM10
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 15:10:13 +0900 |
| parents | |
| children |
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| 147:c2174574ed3a | 150:1d019706d866 |
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| 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 | |
| 11 void thread(int tid) { | |
| 12 if (tid == 0) { | |
| 13 for (int i = 0; i < bench_niter; i++) | |
| 14 __atomic_store_n(&x, 0, __ATOMIC_RELEASE); | |
| 15 } else { | |
| 16 for (int i = 0; i < bench_niter; i++) | |
| 17 __atomic_load_n(&x, __ATOMIC_ACQUIRE); | |
| 18 } | |
| 19 } | |
| 20 | |
| 21 void bench() { | |
| 22 start_thread_group(bench_nthread, thread); | |
| 23 } | |
| 24 | |
| 25 // CHECK: DONE | |
| 26 |