| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| // This test fails on powerpc64 big endian. |
| // The Tsan report is returning wrong information about |
| // the location of the race. |
| // XFAIL: target=powerpc64-unknown-linux-gnu{{.*}} |
| |
| #include "test.h" |
| |
| typedef unsigned long uptr; |
| extern "C" void __tsan_read_range_pc(uptr addr, uptr size, uptr pc); |
| extern "C" void __tsan_write_range_pc(uptr addr, uptr size, uptr pc); |
| |
| void foobar() { |
| } |
| |
| void barbaz() { |
| } |
| |
| void *Thread(void *p) { |
| barrier_wait(&barrier); |
| __tsan_read_range_pc((uptr)p, 32, (uptr)foobar + kPCInc); |
| return 0; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| int a[128]; |
| pthread_t th; |
| pthread_create(&th, 0, Thread, (void*)a); |
| __tsan_write_range_pc((uptr)(a+2), 32, (uptr)barbaz + kPCInc); |
| barrier_wait(&barrier); |
| pthread_join(th, 0); |
| fprintf(stderr, "DONE\n"); |
| return 0; |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // CHECK: #0 foobar |
| // CHECK: #0 barbaz |
| // CHECK: DONE |