openmp/tools/archer/tests/parallel/parallel-nosuppression.c

   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, "DONE\n");
  33   int error = (var != 2);
  34   return error;
  35 }
  36
  37 // CHECK: Warning: please export TSAN_OPTIONS
  38 // CHECK: DONE