| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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| 2 | // This test fails on powerpc64 big endian. |
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| 3 | // The Tsan report is returning wrong information about |
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| 4 | // the location of the race. |
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| 5 | // XFAIL: target=powerpc64-unknown-linux-gnu{{.*}} |
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| 6 | |
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| 7 | #include "test.h" |
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| 8 | |
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| 9 | typedef unsigned long uptr; |
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| 10 | extern "C" void __tsan_read_range_pc(uptr addr, uptr size, uptr pc); |
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| 11 | extern "C" void __tsan_write_range_pc(uptr addr, uptr size, uptr pc); |
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| 12 | |
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| 13 | void foobar() { |
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| 14 | } |
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| 15 | |
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| 16 | void barbaz() { |
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| 17 | } |
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| 18 | |
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| 19 | void *Thread(void *p) { |
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| 20 | barrier_wait(barrier: &barrier); |
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| 21 | __tsan_read_range_pc(addr: (uptr)p, size: 32, pc: (uptr)foobar + kPCInc); |
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| 22 | return 0; |
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| 23 | } |
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| 24 | |
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| 25 | int main() { |
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| 26 | barrier_init(barrier: &barrier, count: 2); |
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| 27 | int a[128]; |
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| 28 | pthread_t th; |
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| 29 | pthread_create(newthread: &th, attr: 0, start_routine: Thread, arg: (void*)a); |
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| 30 | __tsan_write_range_pc(addr: (uptr)(a+2), size: 32, pc: (uptr)barbaz + kPCInc); |
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| 31 | barrier_wait(barrier: &barrier); |
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| 32 | pthread_join(th: th, thread_return: 0); |
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| 33 | fprintf(stderr, format: "DONE\n" ); |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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| 37 | // CHECK: WARNING: ThreadSanitizer: data race |
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| 38 | // CHECK: #0 foobar |
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| 39 | // CHECK: #0 barbaz |
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| 40 | // CHECK: DONE |
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| 41 | |
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