45 lines
1018 B
C
45 lines
1018 B
C
/*
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* parallel-simple2.c -- Archer testcase
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*/
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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//
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// See tools/archer/LICENSE.txt for details.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// RUN: %libarcher-compile-and-run | FileCheck %s
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// REQUIRES: tsan
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#include <omp.h>
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#include <stdio.h>
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int main(int argc, char *argv[]) {
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int var = 0;
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// Create team of threads so that there is no implicit happens before
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// when creating the thread.
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#pragma omp parallel num_threads(2)
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{}
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var++;
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#pragma omp parallel num_threads(2) shared(var)
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{
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if (omp_get_thread_num() == 1) {
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var++;
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}
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} // implicit barrier
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fprintf(stderr, "DONE\n");
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int error = (var != 2);
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return error;
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}
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// CHECK-NOT: ThreadSanitizer: data race
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// CHECK-NOT: ThreadSanitizer: reported
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// CHECK: DONE
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