/*
* parallel-simple2.c -- Archer testcase
*/
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
//
// See tools/archer/LICENSE.txt for details.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// RUN: %libarcher-compile-and-run | FileCheck %s
// REQUIRES: tsan
#include <omp.h>
#include <stdio.h>
int main(int argc, char *argv[]) {
int var = 0;
// Create team of threads so that there is no implicit happens before
// when creating the thread.
#pragma omp parallel num_threads(2)
{}
var++;
#pragma omp parallel num_threads(2) shared(var)
{
if (omp_get_thread_num() == 1) {
var++;
}
} // implicit barrier
fprintf(stderr, "DONE\n");
int error = (var != 2);
return error;
}
// CHECK-NOT: ThreadSanitizer: data race
// CHECK-NOT: ThreadSanitizer: reported
// CHECK: DONE