| 1 | /* |
| 2 | * parallel-nosuppression.c -- Archer testcase |
| 3 | */ |
| 4 | |
| 5 | //===----------------------------------------------------------------------===// |
| 6 | // |
| 7 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 8 | // |
| 9 | // See tools/archer/LICENSE.txt for details. |
| 10 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | |
| 15 | // RUN: %libarcher-compile-and-run-nosuppression | FileCheck %s |
| 16 | // REQUIRES: tsan |
| 17 | #include <omp.h> |
| 18 | #include <stdio.h> |
| 19 | |
| 20 | int main(int argc, char *argv[]) { |
| 21 | int var = 0; |
| 22 | |
| 23 | #pragma omp parallel num_threads(2) shared(var) |
| 24 | { |
| 25 | if (omp_get_thread_num() == 1) { |
| 26 | var++; |
| 27 | } |
| 28 | } // implicit barrier |
| 29 | |
| 30 | var++; |
| 31 | |
| 32 | fprintf(stderr, format: "DONE\n" ); |
| 33 | int error = (var != 2); |
| 34 | return error; |
| 35 | } |
| 36 | |
| 37 | // CHECK: Warning: please export TSAN_OPTIONS |
| 38 | // CHECK: DONE |
| 39 | |