Subversion Repositories openrisc_2011-10-31

/* PR 30730, PR 26900, number of iterations analysis should be able to

   determine number of iterations of the following loops unconditionally.  */

/* { dg-do compile } */

/* { dg-options "-O2 -fstrict-overflow -fdump-tree-optimized-blocks" } */

unsigned foo(unsigned int n)

{

  unsigned x = 0;;

  while (n > 10)

    {

      n -= 2;

      x++;

    }

  return x;

}

int foo0(int i0, int i1)

{

  int i, j = 0;

  for (i=i0; i<=i1+1; ++i)

    ++j;

  return j;

}

/* { dg-final { scan-tree-dump-times "if" 2 "optimized" } } */

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