1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
2*7c3d14c8STreehugger Robot #include "test.h"
3*7c3d14c8STreehugger Robot #include <string.h>
4*7c3d14c8STreehugger Robot
5*7c3d14c8STreehugger Robot int y[4], z[4];
6*7c3d14c8STreehugger Robot
MemMoveThread(void * a)7*7c3d14c8STreehugger Robot void *MemMoveThread(void *a) {
8*7c3d14c8STreehugger Robot memmove((int*)a, z, 16);
9*7c3d14c8STreehugger Robot barrier_wait(&barrier);
10*7c3d14c8STreehugger Robot return NULL;
11*7c3d14c8STreehugger Robot }
12*7c3d14c8STreehugger Robot
MemSetThread(void * a)13*7c3d14c8STreehugger Robot void *MemSetThread(void *a) {
14*7c3d14c8STreehugger Robot barrier_wait(&barrier);
15*7c3d14c8STreehugger Robot memset((int*)a, 0, 16);
16*7c3d14c8STreehugger Robot return NULL;
17*7c3d14c8STreehugger Robot }
18*7c3d14c8STreehugger Robot
main()19*7c3d14c8STreehugger Robot int main() {
20*7c3d14c8STreehugger Robot barrier_init(&barrier, 2);
21*7c3d14c8STreehugger Robot pthread_t t[2];
22*7c3d14c8STreehugger Robot // Race on y between memmove and memset
23*7c3d14c8STreehugger Robot pthread_create(&t[0], NULL, MemMoveThread, y);
24*7c3d14c8STreehugger Robot pthread_create(&t[1], NULL, MemSetThread, y);
25*7c3d14c8STreehugger Robot pthread_join(t[0], NULL);
26*7c3d14c8STreehugger Robot pthread_join(t[1], NULL);
27*7c3d14c8STreehugger Robot
28*7c3d14c8STreehugger Robot fprintf(stderr, "PASS\n");
29*7c3d14c8STreehugger Robot return 0;
30*7c3d14c8STreehugger Robot }
31*7c3d14c8STreehugger Robot
32*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: data race
33*7c3d14c8STreehugger Robot // CHECK: #0 memset
34*7c3d14c8STreehugger Robot // CHECK: #1 MemSetThread
35*7c3d14c8STreehugger Robot // CHECK: Previous write
36*7c3d14c8STreehugger Robot // CHECK: #0 {{(memcpy|memmove)}}
37*7c3d14c8STreehugger Robot // CHECK: #1 MemMoveThread
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