[tree-ssa] PATCH to clean up tree-cfg.c

[Jason Merrill]

On Thu, 11 Sep 2003 11:08:57 -0400, Jason Merrill <jason@redhat.com> wrote:

> *** tree-ssa-ccp.c.~1~	2003-09-11 02:24:33.000000000 +0000
> --- tree-ssa-ccp.c	2003-09-11 04:35:58.000000000 +0000
> *************** visit_stmt (tree stmt)
> *** 570,578 ****
>       {
>         DONT_SIMULATE_AGAIN (stmt) = 1;
>   
> !       /* If STMT is a control statement or a computed goto, then mark all
>   	 the output edges executable.  */
> !       if (is_ctrl_stmt (stmt) || is_computed_goto (stmt))
>   	add_outgoing_control_edges (bb_for_stmt (stmt));
>       }
>   
> --- 570,578 ----
>       {
>         DONT_SIMULATE_AGAIN (stmt) = 1;
>   
> !       /* If STMT is a control structure or a computed goto, then mark all
>   	 the output edges executable.  */
> !       if (is_ctrl_structure (stmt) || is_computed_goto (stmt))
>   	add_outgoing_control_edges (bb_for_stmt (stmt));
>       }
>   

BTW, I wondered if this test should be changed to just

  if (is_ctrl_stmt (stmt))

The difference would be that currently we aren't marking normal gotos--I
don't know whether or not that's intentional.

Jason