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Refactor tree-vrp.c to eliminate all global variables except 'x_vrp_values', which will require that 'thread_outgoing_edges' to accept an extra argument and pass it to the 'simplify' callback. It also removes every access to 'cfun', retrieving the function being compiled from the pass engine. gcc/ChangeLog 2020-05-12 Giuliano Belinassi <giuliano.belinassi@usp.br> * tree-vrp.c (class vrp_insert): New. (insert_range_assertions): Move to class vrp_insert. (dump_all_asserts): Same as above. (dump_asserts_for): Same as above. (live): Same as above. (need_assert_for): Same as above. (live_on_edge): Same as above. (finish_register_edge_assert_for): Same as above. (find_switch_asserts): Same as above. (find_assert_locations): Same as above. (find_assert_locations_1): Same as above. (find_conditional_asserts): Same as above. (process_assert_insertions): Same as above. (register_new_assert_for): Same as above. (vrp_prop): New variable fun. (vrp_initialize): New parameter. (identify_jump_threads): Same as above. (execute_vrp): Same as above.
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