bc5a2c2e79
This converts the lattice to store ranges in Value_Range instead of
value_range (*) to make it type agnostic, and adjust all users
accordingly.
I've been careful to make sure Value_Range never ends up on GC, since
it contains an int_range_max and can expand on-demand onto the heap.
Longer term storage for ranges should be done with vrange_storage, as
per the previous patch ("Provide an API for ipa_vr").
gcc/ChangeLog:
* ipa-cp.cc (ipcp_vr_lattice::init): Take type argument.
(ipcp_vr_lattice::print): Call dump method.
(ipcp_vr_lattice::meet_with): Adjust for m_vr being a
Value_Range.
(ipcp_vr_lattice::meet_with_1): Make argument a reference.
(ipcp_vr_lattice::set_to_bottom): Set varying for an unsupported
range.
(initialize_node_lattices): Pass type when appropriate.
(ipa_vr_operation_and_type_effects): Make type agnostic.
(ipa_value_range_from_jfunc): Same.
(propagate_vr_across_jump_function): Same.
* ipa-fnsummary.cc (evaluate_conditions_for_known_args): Same.
(evaluate_properties_for_edge): Same.
* ipa-prop.cc (ipa_vr::get_vrange): Same.
(ipcp_update_vr): Same.
* ipa-prop.h (ipa_value_range_from_jfunc): Same.
(ipa_range_set_and_normalize): Same.
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