tree_niter_desc Class Reference

#include <tree-ssa-loop.h>

Collaboration diagram for tree_niter_desc:

Data Fields
tree	assumptions
tree	may_be_zero
tree	niter
widest_int	max
affine_iv	control
tree	bound
enum tree_code	cmp

Detailed Description

Description of number of iterations of a loop.  All the expressions inside
the structure can be evaluated at the end of the loop's preheader
(and due to ssa form, also anywhere inside the body of the loop).   

Field Documentation

assumptions

tree tree_niter_desc::assumptions

Referenced by assert_loop_rolls_lt(), assert_no_overflow_lt(), number_of_iterations_cltz(), number_of_iterations_cltz_complement(), number_of_iterations_cond(), number_of_iterations_exit(), number_of_iterations_exit_assumptions(), number_of_iterations_le(), number_of_iterations_lt_to_ne(), number_of_iterations_ne(), number_of_iterations_popcount(), number_of_iterations_until_wrap(), record_control_iv(), and vect_get_loop_niters().

bound

tree tree_niter_desc::bound

Referenced by can_unroll_loop_p(), cand_value_at(), compute_new_first_bound(), determine_exit_conditions(), determine_group_iv_cost_cond(), estimate_numbers_of_iterations(), may_eliminate_iv(), n_of_executions_at_most(), number_of_iterations_cltz(), number_of_iterations_cltz_complement(), number_of_iterations_cond(), number_of_iterations_lt(), number_of_iterations_ne(), number_of_iterations_popcount(), number_of_iterations_until_wrap(), parm_decl_cost(), and record_estimate().

cmp

enum tree_code tree_niter_desc::cmp

Referenced by can_unroll_loop_p(), cand_value_at(), compute_new_first_bound(), determine_exit_conditions(), loop_niter_by_eval(), n_of_executions_at_most(), number_of_iterations_cltz(), number_of_iterations_cltz_complement(), number_of_iterations_cond(), number_of_iterations_lt(), number_of_iterations_ne(), number_of_iterations_popcount(), and number_of_iterations_until_wrap().

control

affine_iv tree_niter_desc::control

Referenced by can_unroll_loop_p(), cand_value_at(), compute_new_first_bound(), determine_exit_conditions(), number_of_iterations_exit_assumptions(), number_of_iterations_lt(), number_of_iterations_ne(), number_of_iterations_until_wrap(), and record_control_iv().

max

widest_int tree_niter_desc::max

Referenced by derive_constant_upper_bound_ops(), estimate_numbers_of_iterations(), may_eliminate_iv(), number_of_iterations_cltz(), number_of_iterations_cltz_complement(), number_of_iterations_cond(), number_of_iterations_exit_assumptions(), number_of_iterations_lt(), number_of_iterations_ne(), number_of_iterations_popcount(), and number_of_iterations_until_wrap().

may_be_zero

tree tree_niter_desc::may_be_zero

Referenced by assert_loop_rolls_lt(), can_unroll_loop_p(), canonicalize_loop_induction_variables(), determine_exit_conditions(), find_loop_niter(), gen_parallel_loop(), iv_elimination_compare_lt(), may_eliminate_iv(), number_of_iterations_cltz(), number_of_iterations_cltz_complement(), number_of_iterations_cond(), number_of_iterations_exit_assumptions(), number_of_iterations_lt(), number_of_iterations_lt_to_ne(), number_of_iterations_popcount(), number_of_iterations_until_wrap(), number_of_latch_executions(), vec_init_loop_exit_info(), and vect_get_loop_niters().

niter

tree tree_niter_desc::niter

Referenced by cand_value_at(), canonicalize_loop_induction_variables(), determine_exit_conditions(), estimate_numbers_of_iterations(), find_induction_variables(), find_loop_niter(), find_loop_niter_by_eval(), gen_parallel_loop(), iv_elimination_compare_lt(), loop_exits_before_overflow(), may_eliminate_iv(), n_of_executions_at_most(), niter_for_exit(), number_of_iterations_cltz(), number_of_iterations_cltz_complement(), number_of_iterations_cond(), number_of_iterations_exit_assumptions(), number_of_iterations_lt(), number_of_iterations_ne(), number_of_iterations_popcount(), number_of_iterations_until_wrap(), remove_redundant_iv_tests(), split_loop(), unroll_jam_possible_p(), and vect_get_loop_niters().

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The documentation for this class was generated from the following file:

• tree-ssa-loop.h