[tuples][patch] Convert pass_copy_prop to tuples.

[Bill Maddox]

On Mon, Mar 24, 2008 at 10:08 PM, Bill Maddox <maddox@google.com> wrote:
> This patch converts pass_copy_prop to tuples.
>
>         * tree-ssa-dom.c (loop_depth_of_name): Tuplify.
>         * tree-ssa-copy.c (stmt_may_generate_copy,
>         copy_prop_visit_assignment, copy_prop_visi_cond_stmt,
>         copy_prop_visit_stmt, copy_prop_visit_phi_node,
>         init_copy_prop, execute_copy_prop): Tuplify.
>         * passes.c (init_optimization_passes):
>         Enable pass_copy_prop.

Corrected typo in comment per Diego's reply.

Committed in gimple-tuples-branch, revision 133533.  Approved by dnovillo.

--Bill