view gcc/testsuite/gcc.dg/gomp/sink-fold-1.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* { dg-do compile } */
/* { dg-options "-fopenmp -fdump-tree-omplower" } */

/* Test depend(sink) clause folding.  */

int i,j,k, N;

extern void bar();

void
funk ()
{
#pragma omp parallel for ordered(3)
  for (i=0; i < N; i++)
    for (j=0; j < N; ++j)
      for (k=0; k < N; ++k)
    {
/* We remove the (sink:i,j-1,k) by virtue of it the i+0.  The remaining
   clauses get folded with a GCD of -2 for `i' and a maximum of -2, +2 for
   'j' and 'k'.  */
#pragma omp ordered \
  depend(sink:i-8,j-2,k+2) \
  depend(sink:i, j-1,k) \
  depend(sink:i-4,j-3,k+6) \
  depend(sink:i-6,j-4,k-6)
        bar();
#pragma omp ordered depend(source)
    }
}

/* { dg-final { scan-tree-dump-times "omp ordered depend\\(sink:i-2,j-2,k\\+2\\)" 1 "omplower" { xfail *-*-* } } } */