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comparison compiler-rt/test/tsan/atomic_free.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 -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
2
3 // Also check that atomics instrumentation can be configured by either driver or
4 // legacy flags:
5
6 // RUN: %clangxx_tsan -O1 %s -o %t -fno-sanitize-thread-atomics && not %deflake %run %t 2>&1 \
7 // RUN: | FileCheck --allow-empty --check-prefix=CHECK-NO-ATOMICS %s
8 // RUN: %clangxx_tsan -O1 %s -o %t -mllvm -tsan-instrument-atomics=0 && not %deflake %run %t 2>&1 \
9 // RUN: | FileCheck --allow-empty --check-prefix=CHECK-NO-ATOMICS %s <%t
10
11 #include "test.h"
12
13 void *Thread(void *a) {
14 __atomic_fetch_add((int*)a, 1, __ATOMIC_SEQ_CST);
15 barrier_wait(&barrier);
16 return 0;
17 }
18
19 int main() {
20 barrier_init(&barrier, 2);
21 int *a = new int(0);
22 pthread_t t;
23 pthread_create(&t, 0, Thread, a);
24 barrier_wait(&barrier);
25 delete a;
26 pthread_join(t, 0);
27 }
28
29 // CHECK: WARNING: ThreadSanitizer: data race
30
31 // CHECK-NO-ATOMICS-NOT: WARNING: ThreadSanitizer: data race