[PATCH][TUPLES] Tuplification of tree-ssa-phiprop.c

[Doug Kwan (關振德)]

Hi Diego,

    Could you please review this? Thanks.

-Doug

2008-04-09  Doug Kwan  <dougkwan@google.com>

        * tree-ssa-phiprop.c (File): Uncomment all previously disabled code.
        (struct phiprop_d): Change type of vop_stmt to gimple.
        (phivn_valid_p): Tuplify.
        (phiprop_insert_phi): Tuplify.
        (propagate_with_phi): Tuplify.
        (tree_ssa_phiprop_1): Tuplify.
        (tree_ssa_phiprop): Tuplify.
        * passes.c (init_optimization_passes): Re-enable pass_phiprop.
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