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/* PR tree-optimization/19828 */

/* PR tree-optimization/19828 */

/* { dg-do compile } */

/* { dg-do compile } */

/* { dg-options "-O1 -fdump-tree-lim-details" } */

/* { dg-options "-O1 -fdump-tree-lim-details" } */

int cst_fun1 (int) __attribute__((__const__));

int cst_fun1 (int) __attribute__((__const__));

int cst_fun2 (int) __attribute__((__const__));

int cst_fun2 (int) __attribute__((__const__));

int pure_fun1 (int) __attribute__((__pure__));

int pure_fun1 (int) __attribute__((__pure__));

int pure_fun2 (int) __attribute__((__pure__));

int pure_fun2 (int) __attribute__((__pure__));

int foo (void);

int foo (void);

int xxx (void)

int xxx (void)

{

{

  int i, k = foo (), x = 0;

  int i, k = foo (), x = 0;

  for (i = 0; i < 100; i++)

  for (i = 0; i < 100; i++)

    {

    {

      x += cst_fun1 (k);

      x += cst_fun1 (k);

      x += pure_fun1 (k);

      x += pure_fun1 (k);

      if (k)

      if (k)

        {

        {

          x += cst_fun2 (k);

          x += cst_fun2 (k);

          x += pure_fun2 (k);

          x += pure_fun2 (k);

        }

        }

    }

    }

  return x;

  return x;

}

}

/* Calls to cst_fun1 and pure_fun1 may be moved out of the loop.

/* Calls to cst_fun1 and pure_fun1 may be moved out of the loop.

   Calls to cst_fun2 and pure_fun2 should not be, since calling

   Calls to cst_fun2 and pure_fun2 should not be, since calling

   with k = 0 may be invalid.  */

   with k = 0 may be invalid.  */

/* { dg-final { scan-tree-dump-times "Moving statement" 3 "lim1" } } */

/* { dg-final { scan-tree-dump-times "Moving statement" 3 "lim1" } } */

/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */

/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */