xref: /llvm-project/compiler-rt/test/tsan/race_top_suppression.cpp (revision 89edd1e95f5cc274c0e33cf45ffc85c37b3214f0) 
1bcaeed49SFangrui Song // RUN: echo "race_top:TopFunction" > %t.supp
29360f1a1SJulian Lettner // RUN: %clangxx_tsan -O1 %s -o %t
3bcaeed49SFangrui Song // RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s
4bcaeed49SFangrui Song // RUN: rm %t.supp
5bcaeed49SFangrui Song #include "test.h"
6bcaeed49SFangrui Song 
7bcaeed49SFangrui Song int Global;
8bcaeed49SFangrui Song 
TopFunction(int * p)9*89edd1e9SDmitry Vyukov __attribute__((noinline)) void TopFunction(int *p) {
10bcaeed49SFangrui Song   *p = 1;
11bcaeed49SFangrui Song }
12bcaeed49SFangrui Song 
Thread(void * x)13bcaeed49SFangrui Song void *Thread(void *x) {
14bcaeed49SFangrui Song   barrier_wait(&barrier);
15bcaeed49SFangrui Song   TopFunction(&Global);
16bcaeed49SFangrui Song   return 0;
17bcaeed49SFangrui Song }
18bcaeed49SFangrui Song 
main()19bcaeed49SFangrui Song int main() {
20bcaeed49SFangrui Song   barrier_init(&barrier, 2);
21bcaeed49SFangrui Song   pthread_t t;
22bcaeed49SFangrui Song   pthread_create(&t, 0, Thread, 0);
23bcaeed49SFangrui Song   Global--;
24bcaeed49SFangrui Song   barrier_wait(&barrier);
25bcaeed49SFangrui Song   pthread_join(t, 0);
26bcaeed49SFangrui Song   fprintf(stderr, "DONE\n");
27bcaeed49SFangrui Song }
28bcaeed49SFangrui Song 
29bcaeed49SFangrui Song // CHECK-NOT: WARNING: ThreadSanitizer: data race
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