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Searched refs:may_be_zero (Results 1 – 6 of 6) sorted by relevance

/freebsd-12.1/contrib/gcc/
H A Dtree-ssa-loop-niter.c271 niter->may_be_zero, in number_of_iterations_lt_to_ne()
402 niter->may_be_zero, mbz); in assert_loop_rolls_lt()
565 niter->may_be_zero = boolean_false_node; in number_of_iterations_cond()
1112 niter->may_be_zero); in number_of_iterations_exit()
1121 niter->may_be_zero in number_of_iterations_exit()
1123 niter->may_be_zero, in number_of_iterations_exit()
1195 if (nonzero_p (desc.may_be_zero)) in find_loop_niter()
1204 if (!zero_p (desc.may_be_zero)) in find_loop_niter()
1875 if (!zero_p (niter_desc.may_be_zero) in estimate_numbers_of_iterations_loop()
1876 && !nonzero_p (niter_desc.may_be_zero)) in estimate_numbers_of_iterations_loop()
[all …]
H A Dtree-ssa-loop-manip.c662 || contains_abnormal_ssa_name_p (niter->may_be_zero) in can_unroll_loop_p()
739 if (!zero_p (desc->may_be_zero)) in determine_exit_conditions()
741 invert_truthvalue (desc->may_be_zero), in determine_exit_conditions()
H A Dtree-flow.h771 tree may_be_zero; /* The boolean expression. If it evaluates to true, member
H A Dtree-scalar-evolution.c2496 if (integer_nonzerop (niter_desc.may_be_zero)) in number_of_iterations_in_loop()
2498 else if (integer_zerop (niter_desc.may_be_zero)) in number_of_iterations_in_loop()
H A Dtree-ssa-loop-ivopts.c785 && zero_p (desc.may_be_zero) in niter_for_exit()
/freebsd-12.1/contrib/gcc/doc/
H A Dloop.texi414 @item @code{noloop_assumptions} on RTL, @code{may_be_zero} on GIMPLE: If