[PATCH] Conditionally turn off cfg cleanup for PHI-OPT if nothing is done

[Diego Novillo]

On 03/03/06 14:29, Devang Patel wrote:

> And it sounds like, I am missing something here.
> 
Passes may do changes that affect the CFG without manipulating it
directly.  For instance, by creating unreachable code by turning an 'if
(expr)' into 'if (1)'.