llvm/openmp/libompd/test/openmp_examples/example_task.c

// RUN: %gdb-compile-and-run 2>&1 | tee %t.out | FileCheck %s

#include "../ompt_plugin.h"
#include <omp.h>
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>

void f(int i) {
  if (i <= 0) {
    ompd_tool_test(0);
  } else {
    printf("f(%i) start task 1\n", i);
#pragma omp task
    f(i - 1);
    printf("f(%i) start task 2\n", i);
#pragma omp task
    f(i - 1);
    printf("f(%i) start task 3\n", i);
#pragma omp task
    f(i - 1);
#pragma omp taskwait
  }
}

int main() {
  printf("Application: Process %d started.\n", getpid());
  omp_set_num_threads(8);
  omp_set_max_active_levels(10);

#pragma omp parallel sections
  { f(4); }

  return 0;
}

// CHECK-NOT: OMPT-OMPD mismatch
// CHECK-NOT: Python Exception
// CHECK-NOT: The program is not being run.