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Re: [PATCH] Improve IPA-CP handling of self-recursive calls

From: Jan Hubicka <jh at suse dot de>
To: Martin Jambor <mjambor at suse dot cz>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Jan Hubicka <jh at suse dot cz>
Date: Wed, 11 Apr 2018 11:20:03 +0200
Subject: Re: [PATCH] Improve IPA-CP handling of self-recursive calls
References: <ri6tvskc9j2.fsf@suse.cz>


2018-04-08  Martin Jambor  <mjambor@suse.cz>

	PR ipa/84149
	* ipa-cp.c (propagate_vals_across_pass_through): Expand comment.
	(cgraph_edge_brings_value_p): New parameter dest_val, check if it is
	not the same as the source val.
	(cgraph_edge_brings_value_p): New parameter.
	(gather_edges_for_value): Pass destination value to
	cgraph_edge_brings_value_p.
	(perhaps_add_new_callers): Likewise.
	(get_info_about_necessary_edges): Likewise and exclude values brought
	only by self-recursive edges.
	(create_specialized_node): Redirect only clones of self-calling edges.
	(+self_recursive_pass_through_p): New function.
	(find_more_scalar_values_for_callers_subset): Use it.
	(find_aggregate_values_for_callers_subset): Likewise.
	(known_aggs_to_agg_replacement_list): Removed.
	(decide_whether_version_node): Re-calculate known constants for all
	remaining context clones.


OK.
thanks!
Honza

Follow-Ups:
- Re: [PATCH] Improve IPA-CP handling of self-recursive calls
  - From: H.J. Lu

References:
- [PR 84149] From 3b967c133f7f62e3c2951a971d8690d242364f5d Mon Sep 17 00:00:00 2001
  - From: Martin Jambor

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