Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-vrp1-details" } */

blah (int code1, int code2)

{

  int i;

  int n_sets;

  n_sets = (int) (code1 == 32);

  if (code2 == 64) goto L2; else goto L3;

L2:

  aa ();

L3:

  if (n_sets > 1) goto L4; else goto L10;

L4:

  aos ();

  i = 0;

  goto L24;

L10:

  if (n_sets > 0) goto L25; else goto L8;

L25:

  i = 0;

L24:

  aob ();

  i = i + 1;

  if (i < n_sets) goto L24; else goto L8;

L8:

  return;

}

/* The n_sets > 0 test can be simplified into n_sets == 1 since the

   only way to reach the test is when n_sets <= 1, and the only value

   which satisfies both conditions is n_sets == 1.  */

/* { dg-final { scan-tree-dump-times "Simplified relational" 1 "vrp1" } } */

/* { dg-final { cleanup-tree-dump "vrp1" } } */