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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [graphite/] [pr20256.c] - Rev 689

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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-loop-linear" } */
/* { dg-require-effective-target size32plus } */
 
int foo()
{
  int x[2][2], y[2];
  int i, n, s;
 
  /* This is a reduction: there is a scalar dependence that cannot be
     removed by rewriting IVs.  This code cannot and should not be
     transformed into a perfect loop.  */
  for (n = 0; n < 2; n++)
    {
      s = 0;
      for (i = 0; i < 2; i++)
        s += x[n][i]*y[i];
      s += 1;
    }
 
  return s;
}
 

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