[thirdparty/gcc.git] / gcc / testsuite / c-c++-common / goacc / kernels-reduction.c

/* { dg-additional-options "-O2" } */
/* { dg-additional-options "-fdump-tree-parloops1-all" } */
/* { dg-additional-options "-fdump-tree-optimized" } */

#include <stdlib.h>

#define n 10000

unsigned int a[n];

void  __attribute__((noinline,noclone))
foo (void)
{
  int i;
  unsigned int sum = 1;

#pragma acc kernels copyin (a[0:n]) copy (sum)
  {
    for (i = 0; i < n; ++i)
      sum += a[i];
  }

  if (sum != 5001)
    abort ();
}

/* Check that only one loop is analyzed, and that it can be parallelized.  */
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */

/* Check that the loop has been split off into a function.  */
/* { dg-final { scan-tree-dump-times "(?n);; Function .*foo.*._omp_fn.0" 1 "optimized" } } */

/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */
Commit	Line	Data
40e26f94	1	/* { dg-additional-options "-O2" } */
40e26f94 TV	2	/* { dg-additional-options "-fdump-tree-parloops1-all" } */
	3	/* { dg-additional-options "-fdump-tree-optimized" } */
	4
	5	#include <stdlib.h>
	6
	7	#define n 10000
	8
	9	unsigned int a[n];
	10
	11	void __attribute__((noinline,noclone))
	12	foo (void)
	13	{
	14	int i;
	15	unsigned int sum = 1;
	16
	17	#pragma acc kernels copyin (a[0:n]) copy (sum)
	18	{
	19	for (i = 0; i < n; ++i)
	20	sum += a[i];
	21	}
	22
	23	if (sum != 5001)
	24	abort ();
	25	}
	26
	27	/* Check that only one loop is analyzed, and that it can be parallelized. */
	28	/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } } */
	29	/* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
	30
	31	/* Check that the loop has been split off into a function. */
	32	/* { dg-final { scan-tree-dump-times "(?n);; Function .foo.._omp_fn.0" 1 "optimized" } } */
	33
f99c3557	34	/* { dg-final { scan-tree-dump-times "(?n)oacc function \\(0," 1 "parloops1" } } */