[tree-ssa] Thoughts on live-on-entry variables

[Diego Novillo]

On Sat, 2003-06-14 at 05:07, Jan Hubicka wrote:

> In RTL we keep track of this by having pointer to the original register
> (variable) it has been derrived from.  Would this satisfy your needs?
>
I'm not sure we are talking about the same thing, but we already have
that.  If you have and SSA_NAME b_34, you know that the original
VAR_DECL is 'b'.  We also know whether b_34 has been artificially
created.

The request was to have the creation of b_34 be explicitly exposed in
the IL.


Diego.