Re: Minor SSA cleanups

[Richard Henderson <rth at redhat dot com>]

On Fri, Jun 22, 2001 at 11:40:08PM -0400, Daniel Berlin wrote:
> Yes, yes, I know, I was just not completely awake when i wrote that.
> However, GVN is doing a DFS over the SCC's of the graph.  It's just
> another thing to worry about to keep track of where the new definition is
> coming from (if it's different than the old defintiion),

Um, you must still not be awake.  When is an optimization going
to change the dominance frontier on purpose?  Why would it want
to do so?


r~