Subversion Repositories openrisc

/* { dg-do compile } */

/* { dg-options "-O -fdump-tree-ccp1" } */

extern void link_error (void);

/* check folding */

void test1 (void)

{

  unsigned int l = 3 * 4 - 5 / 2;

  if (l != 10)

    link_error ();

}

void test11 (void)

{

  unsigned int l = (((((((3 / 2 + 2) * 4) & 7) ^ 3) % 8) << 2) + 1) >> 2;

  if (l != 7)

    link_error ();

}

/* cprop in a basic block */

void test111 (void)

{

  unsigned int l0 = 3 / 2 + 2;

  unsigned int l1 = l0 * 4;

  unsigned int l2 = 7;

  unsigned int l3 = l1 & l2;

  unsigned int l4 = 3;

  unsigned int l5 = l3 ^ l4;

  unsigned int l6 = 8;

  unsigned int l7 = l5 % l6;

  unsigned int l8 = 2;

  unsigned int l9 = l7 << l8;

  unsigned int l10 = l9 + 1;

  unsigned int l11 = l10 >> 2;

  if (l11 != 7)

    link_error ();

}

/* cprop after an if statement */

void test1111 (int p)

{

  int l = 53;

  if (p)

    {

      if ((67 + l - 25) != 95)

        link_error ();

    }

  else

    {

      if ((93 - l +  25) != 65)

        link_error ();

    }

}

/* cprop after a loop */

void test11111 (int p, int q, int r)

{

  int l = 53;

  while (p < r)

    {

      if ((67 + l - 25) != 95)

        link_error ();

      p -= q;

    }

}

/* There should be not link_error calls, if there is any the

   optimization has failed */

/* { dg-final { scan-tree-dump-times "link_error" 0 "ccp1"} } */

/* { dg-final { cleanup-tree-dump "ccp1" } } */