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