Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-pre-stats" } */

struct Loc {

    int x[3];

};

void bar (struct Loc *);

int foo (int i, int j, int k, int b)

{

  struct Loc IND;

  int res;

  if (b)

    {

      IND.x[0] = i;

      IND.x[1] = j;

      IND.x[2] = k-1;

    }

  else

    {

      IND.x[0] = i;

      IND.x[1] = j;

      IND.x[2] = k;

    }

  /* This should be optimized to i + j + {k, k + 1}.  */

  res = IND.x[0] + IND.x[1] + IND.x[2];

  /* This is just to prevent SRA.  */

  bar (&IND);

  return res;

}

/* All three loads should be eliminated.  */

/* { dg-final { scan-tree-dump "Eliminated: 3" "pre" } } */

/* { dg-final { cleanup-tree-dump "pre" } } */