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ipa-prop.c (ipa_edge_duplication_hook): Update controlled_use_count when duplicating a PASS_THROUGH jump function when... 

2014-09-24  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (ipa_edge_duplication_hook): Update controlled_use_count
	when duplicating a PASS_THROUGH jump function when creating a
	speculative edge.

From-SVN: r215560
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Martin Jambor 2014-09-24 19:49:16 +02:00 committed by Martin Jambor
parent 083e891e69
commit 6fe4595534
2 changed files with 21 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2014-09-24 Martin Jambor <mjambor@suse.cz>
* ipa-prop.c (ipa_edge_duplication_hook): Update controlled_use_count
when duplicating a PASS_THROUGH jump function when creating a
speculative edge.
2014-09-24 Marek Polacek <polacek@redhat.com>
PR c/61405

15
gcc/ipa-prop.c
View File

@ -3640,6 +3640,21 @@ ipa_edge_duplication_hook (struct cgraph_edge *src, struct cgraph_edge *dst,
dst_jf->value.constant.rdesc = dst_rdesc;
}
}
else if (dst_jf->type == IPA_JF_PASS_THROUGH
&& src->caller == dst->caller)
{
struct cgraph_node *inline_root = dst->caller->global.inlined_to
? dst->caller->global.inlined_to : dst->caller;
struct ipa_node_params *root_info = IPA_NODE_REF (inline_root);
int idx = ipa_get_jf_pass_through_formal_id (dst_jf);
int c = ipa_get_controlled_uses (root_info, idx);
if (c != IPA_UNDESCRIBED_USE)
{
c++;
ipa_set_controlled_uses (root_info, idx, c);
}
}
}
}