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PR tree-optimization/26830 * tree-into-ssa.c (struct ssa_name_info): Add age field. (info_for_ssa_name, current_info_for_ssa_name_age, blocks_to_update): New variables. (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX. (clear_ssa_name_info, initialize_flags_in_bb, mark_block_for_update): New functions. (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL. (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update, prepare_def_site_for): Use mark_block_for_update. (mark_def_interesting): Assert that the processed block is marked in blocks_to_update. Do not take blocks argument. (prepare_use_sites_for, prepare_names_to_update): Do not take blocks argument. (rewrite_update_init_block, rewrite_update_stmt): Only process blocks with statements to rewrite. (delete_update_ssa): Do not clear SSA_NAME_AUX. (update_ssa): Initialize and free blocks_to_update. Do not clear flags on statements. Do not use blocks bitmap. * tree.h (SSA_NAME_AUX): Removed. (struct tree_ssa_name): Removed aux field. * print-tree.c (print_node): Do not print SSA_NAME_AUX. From-SVN: r113799
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