starpu-max/gcc-plugin/tests/output-pointer.c

/* GCC-StarPU
   Copyright (C) 2011, 2012 Institut National de Recherche en Informatique et Automatique

   GCC-StarPU is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   GCC-StarPU is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GCC-StarPU.  If not, see <http://www.gnu.org/licenses/>.  */

#undef NDEBUG

#include <mocks.h>

#define __output __attribute__ ((output))

/* The tasks under test.  */

static void my_pointer_task (int size, __output int *x)
  __attribute__ ((task));

static void my_pointer_task_cpu (int size, __output int *x)
  __attribute__ ((task_implementation ("cpu", my_pointer_task)));
static void my_pointer_task_opencl (int size, __output int *x)
  __attribute__ ((task_implementation ("opencl", my_pointer_task)));

static void
my_pointer_task_cpu (int size, __output int *x)
{
  printf ("%s: x = %p, size = %i\n", __func__, x, size);
}

static void
my_pointer_task_opencl (int size, int *x)
{
  printf ("%s: x = %p, size = %i\n", __func__, x, size);
}



static void my_array_task (int size, __output int x[size])
  __attribute__ ((task));

static void my_array_task_cpu (int size, __output int x[size])
  __attribute__ ((task_implementation ("cpu", my_array_task)));
static void my_array_task_opencl (int size, __output int x[size])
  __attribute__ ((task_implementation ("opencl", my_array_task)));

static void
my_array_task_cpu (int size, __output int x[size])
{
  printf ("%s: x = %p, size = %i\n", __func__, x, size);
}

static void
my_array_task_opencl (int size, __output int x[size])
{
  printf ("%s: x = %p, size = %i\n", __func__, x, size);
}



int
main (int argc, char *argv[])
{
#pragma starpu initialize

  int size = 42;
  int x[size];

  /* Register X (don't use the pragma, to avoid mixing concerns in this
     test.)  */

  starpu_data_handle_t handle;

  expected_register_arguments.pointer = x;
  expected_register_arguments.elements = 42;
  expected_register_arguments.element_size = sizeof x[0];
  starpu_vector_data_register (&handle, STARPU_MAIN_RAM, (uintptr_t) x, 42, sizeof x[0]);

  struct task_insert_argument expected[] =
    {
      { STARPU_VALUE, &size, sizeof size },
      { STARPU_W, x },
      { 0, 0, 0 }
    };

  expected_task_insert_arguments = expected;

  /* Invoke the task, which makes sure it gets called with EXPECTED.  */
  my_pointer_task (size, x);

  assert (tasks_submitted == 1);

  /* Again.  */
  my_array_task (size, x);

  assert (tasks_submitted == 2);

  return EXIT_SUCCESS;
}