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45 lines
1.2 KiB
45 lines
1.2 KiB
/*
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* task-two.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-race | FileCheck %s
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// RUN: %libarcher-compile-and-run-race-noserial | 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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#include <unistd.h>
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#define NUM_THREADS 2
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int main(int argc, char *argv[]) {
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int var = 0;
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int i;
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#pragma omp parallel for num_threads(NUM_THREADS) shared(var) \
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schedule(static, 1)
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for (i = 0; i < NUM_THREADS; i++) {
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#pragma omp task shared(var) if (0) // the task is inlined an executed locally
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{ var++; }
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}
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int error = (var != 2);
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fprintf(stderr, "DONE\n");
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return error;
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}
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// CHECK: WARNING: ThreadSanitizer: data race
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// CHECK-NEXT: {{(Write|Read)}} of size 4
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// CHECK-NEXT: #0 {{.*}}task-two.c:30
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// CHECK: Previous write of size 4
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// CHECK-NEXT: #0 {{.*}}task-two.c:30
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// CHECK: DONE
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// CHECK: ThreadSanitizer: reported 1 warnings
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