Move codegen related functions to graphite-isl-ast-to-gimple.c

Move codegen related functions to graphite-isl-ast-to-gimple.c

No functional changes intended.
This patch passes regtest and bootstrap on linux-x86-64 with
BOOT_CFLAGS='-O2 -fgraphite-identity -floop-nest-optimize'

gcc/ChangeLog:

2015-11-14  hiraditya  <hiraditya@msn.com>

	* graphite-isl-ast-to-gimple.c (struct ast_build_info): Remove semicolon.
	(class translate_isl_ast_to_gimple): Indentation.
        (translate_pending_phi_nodes): Comment.
        (add_parameters_to_ivs_params): Moved from sese.c inside class translate_isl_ast_to_gimple.
        (get_max_schedule_dimensions): Same.
        (generate_isl_context): Same.
        (extend_schedule): Same.
        (generate_isl_schedule): Same.
        (set_options): Same.
        (scop_to_isl_ast): Same.
        (is_valid_rename): Same.
        (get_rename): Same.
        (get_rename_from_scev): Same.
        (get_def_bb_for_const): Same.
        (get_new_name): Same.
        (collect_all_ssa_names): Same.
        (copy_loop_phi_args): Same.
        (copy_loop_phi_nodes): Same.
        (copy_loop_close_phi_args): Same.
        (copy_loop_close_phi_nodes): Same.
        (copy_cond_phi_args): Same.
        (copy_cond_phi_nodes): Same.
        (graphite_copy_stmts_from_block): Same.
        (copy_bb_and_scalar_dependences): Same.
        (add_phi_arg_for_new_expr): Same.
        (rename_uses): Same.
        (set_rename): Same.
        (set_rename_for_each_def): Same.
        (gsi_insert_earliest): Same.
        (rename_all_uses): Same.
        (codegen_error_p): Same.
        (print_isl_ast_node): Same.
	(translate_isl_ast_for_loop): Call function codegen_error_p.
	(translate_isl_ast_to_gimple::translate_isl_ast): Same.
        (translate_isl_ast_node_user): Make nb_loops const and release iv_map before exit.
	(get_true_edge_from_guard_bb): Move all free-functions early.
	(get_false_edge_from_guard_bb): Same.
	(bb_contains_loop_close_phi_nodes): Same.
	(bb_contains_loop_phi_nodes): Same.
	(is_loop_closed_ssa_use):  Same.
	(number_of_phi_nodes): Same.
	(phi_uses_name): Same.
	(later_of_the_two): Same.
	(substitute_ssa_name):
	(get_edges): Same.
	(get_loc): Same.
	(get_loop_init_value): Same.
	(find_init_value): Same.
	(find_init_value_close_phi): Same.
	(ast_build_before_for): Same.
	(graphite_regenerate_ast_isl): Formatting changes.
	* graphite-scop-detection.c (build_cross_bb_scalars_use): Same.
	* sese.c (get_rename): Move to graphite-isl-ast-to-gimple.c
	(set_rename): Same.
	(gsi_insert_earliest): Same.
	(collect_all_ssa_names): Same.
	(rename_all_uses): Same.
	(rename_uses): Same.
	(get_def_bb_for_const): Same.
	(copy_loop_phi_nodes): Same.
	(copy_loop_close_phi_args): Same.
	(copy_loop_close_phi_nodes): Same.
	(copy_cond_phi_args): Same.
	(copy_cond_phi_nodes): Same.
	(set_rename_for_each_def): Same.
	(graphite_copy_stmts_from_block): Same.
	(copy_bb_and_scalar_dependences): Same.
	(if_region_set_false_region): Same.
	(scev_analyzable_p): Same.
	* sese.h: Delete extern functions moved to graphite-isl-ast-to-gimple.c

From-SVN: r230566