This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [tree-ssa] Thoughts on live-on-entry variables
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.