* Cgraph alias reorg 17/14 (fix ipa-prop computation of varying args)
@ 2011-06-11 14:50 Jan Hubicka
0 siblings, 0 replies; only message in thread
From: Jan Hubicka @ 2011-06-11 14:50 UTC (permalink / raw)
To: gcc-patches
Hi,
while breaking up the patch Imissed two pots in ipa-prop, where we need to walk aliases.
This leads to segfault while compiling Mozilla. Also because alled_with_var_arguments
is recomputed at IPA time, we don't need to stream it.
Bootstrapped/regtested x86_64-linux, comitted.
Honza
Index: ChangeLog
===================================================================
--- ChangeLog (revision 174954)
+++ ChangeLog (working copy)
@@ -1,5 +1,12 @@
2011-06-11 Jan Hubicka <jh@suse.cz>
+ * ipa-prop.c (ipa_make_edge_direct_to_target): Fix code setting varying args.
+ (ipa_update_after_lto_read): Likewise.
+ (ipa_write_node_info): Do not sream call_with_var_arguments.
+ (ipa_read_node_info): Likewise.
+
+2011-06-11 Jan Hubicka <jh@suse.cz>
+
* ipa.c (cgraph_comdat_can_be_unshared_p): Fix pasto.
2011-06-11 Jan Hubicka <jh@suse.cz>
Index: ipa-prop.c
===================================================================
--- ipa-prop.c (revision 174951)
+++ ipa-prop.c (working copy)
@@ -1719,6 +1719,7 @@ ipa_make_edge_direct_to_target (struct c
fprintf (dump_file, "\n");
}
}
+ callee = cgraph_function_or_thunk_node (callee, NULL);
if (ipa_get_cs_argument_count (IPA_EDGE_REF (ie))
!= ipa_get_param_count (IPA_NODE_REF (callee)))
@@ -2815,7 +2816,6 @@ ipa_write_node_info (struct output_block
lto_output_uleb128_stream (ob->main_stream, node_ref);
bp = bitpack_create (ob->main_stream);
- bp_pack_value (&bp, info->called_with_var_arguments, 1);
gcc_assert (info->uses_analysis_done
|| ipa_get_param_count (info) == 0);
gcc_assert (!info->node_enqueued);
@@ -2858,7 +2858,6 @@ ipa_read_node_info (struct lto_input_blo
ipa_initialize_node_params (node);
bp = lto_input_bitpack (ib);
- info->called_with_var_arguments = bp_unpack_value (&bp, 1);
if (ipa_get_param_count (info) != 0)
info->uses_analysis_done = true;
info->node_enqueued = false;
@@ -3015,9 +3014,12 @@ ipa_update_after_lto_read (void)
if (node->analyzed)
for (cs = node->callees; cs; cs = cs->next_callee)
{
+ struct cgraph_node *callee;
+
+ callee = cgraph_function_or_thunk_node (cs->callee, NULL);
if (ipa_get_cs_argument_count (IPA_EDGE_REF (cs))
- != ipa_get_param_count (IPA_NODE_REF (cs->callee)))
- ipa_set_called_with_variable_arg (IPA_NODE_REF (cs->callee));
+ != ipa_get_param_count (IPA_NODE_REF (callee)))
+ ipa_set_called_with_variable_arg (IPA_NODE_REF (callee));
}
}
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2011-06-11 14:50 Cgraph alias reorg 17/14 (fix ipa-prop computation of varying args) Jan Hubicka
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