xref: /llvm-project/compiler-rt/test/tsan/suppress_same_address.cpp (revision bcaeed49cb063de9fe504aa29e1cadff8a7be710) 
1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*bcaeed49SFangrui Song #include "test.h"
3*bcaeed49SFangrui Song 
4*bcaeed49SFangrui Song volatile int X;
5*bcaeed49SFangrui Song 
Thread1(void * x)6*bcaeed49SFangrui Song void *Thread1(void *x) {
7*bcaeed49SFangrui Song   barrier_wait(&barrier);
8*bcaeed49SFangrui Song   X = 42;
9*bcaeed49SFangrui Song   X = 66;
10*bcaeed49SFangrui Song   X = 78;
11*bcaeed49SFangrui Song   return 0;
12*bcaeed49SFangrui Song }
13*bcaeed49SFangrui Song 
Thread2(void * x)14*bcaeed49SFangrui Song void *Thread2(void *x) {
15*bcaeed49SFangrui Song   X = 11;
16*bcaeed49SFangrui Song   X = 99;
17*bcaeed49SFangrui Song   X = 73;
18*bcaeed49SFangrui Song   barrier_wait(&barrier);
19*bcaeed49SFangrui Song   return 0;
20*bcaeed49SFangrui Song }
21*bcaeed49SFangrui Song 
main()22*bcaeed49SFangrui Song int main() {
23*bcaeed49SFangrui Song   barrier_init(&barrier, 2);
24*bcaeed49SFangrui Song   pthread_t t;
25*bcaeed49SFangrui Song   pthread_create(&t, 0, Thread1, 0);
26*bcaeed49SFangrui Song   Thread2(0);
27*bcaeed49SFangrui Song   pthread_join(t, 0);
28*bcaeed49SFangrui Song }
29*bcaeed49SFangrui Song 
30*bcaeed49SFangrui Song // CHECK: ThreadSanitizer: reported 1 warnings
31