Subversion Repositories openrisc_2011-10-31

/* A test for induction variable merging.  */
 
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
 
void foo(long);
 
void xxx(void)
{
  long iter, jter;
 
  for (iter = 0, jter = 2; iter < 100; iter++, jter++)
    {
      foo (iter);
      foo (jter);
    }
}
 
/* Only iter variable should remain.  */
 
/* { dg-final { scan-tree-dump-times "int iter" 1 "optimized" } } */
 
/* And jter shouldn't be an induction variable anymore (no PHI node).  */
/* { dg-final { scan-tree-dump-times "jter_\[0-9\]* = PHI" 0 "optimized" } } */
 
/* And the use of jter should be replaced by iter + 2 */
 
/* { dg-final { scan-tree-dump-times " \\+ 2" 1 "optimized" } } */
 
/* { dg-final { cleanup-tree-dump "optimized" } } */