You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.5 KiB
62 lines
1.5 KiB
7 months ago
|
/*
|
||
|
|
* task-taskgroup-unrelated.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-race | FileCheck %s
|
||
|
|
// RUN: %libarcher-compile-and-run-race-noserial | FileCheck %s
|
||
|
|
// REQUIRES: tsan
|
||
|
|
#include "ompt/ompt-signal.h"
|
||
|
|
#include <omp.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
int var = 0, a = 0;
|
||
|
|
|
||
|
|
#pragma omp parallel num_threads(2) shared(var, a)
|
||
|
|
#pragma omp master
|
||
|
|
{
|
||
|
|
#pragma omp task shared(var, a)
|
||
|
|
{
|
||
|
|
var++;
|
||
|
|
OMPT_SIGNAL(a);
|
||
|
|
// Give master thread time to execute the task in the taskgroup.
|
||
|
|
OMPT_WAIT(a, 2);
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma omp taskgroup
|
||
|
|
{
|
||
|
|
#pragma omp task if (0)
|
||
|
|
{
|
||
|
|
// Dummy task.
|
||
|
|
}
|
||
|
|
|
||
|
|
// Give other threads time to steal the tasks.
|
||
|
|
OMPT_WAIT(a, 1);
|
||
|
|
OMPT_SIGNAL(a);
|
||
|
|
}
|
||
|
|
|
||
|
|
var++;
|
||
|
|
}
|
||
|
|
|
||
|
|
int error = (var != 2);
|
||
|
|
fprintf(stderr, "DONE\n");
|
||
|
|
return error;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: WARNING: ThreadSanitizer: data race
|
||
|
|
// CHECK-NEXT: {{(Write|Read)}} of size 4
|
||
|
|
// CHECK-NEXT: #0 {{.*}}task-taskgroup-unrelated.c:47
|
||
|
|
// CHECK: Previous write of size 4
|
||
|
|
// CHECK-NEXT: #0 {{.*}}task-taskgroup-unrelated.c:29
|
||
|
|
// CHECK: DONE
|
||
|
|
// CHECK: ThreadSanitizer: reported 1 warnings
|