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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/64378] [5 Regression] ICE: in inline_call, at ipa-inline-transform.c:347 with -O3 -fno-ipa-cp Date: Fri, 16 Jan 2015 04:39:00 -0000 [thread overview] Message-ID: <bug-64378-4-bhLYKo95ae@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-64378-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64378 --- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> --- The bug is that ipa-cp disagrees about ipa-prop whether the call is speculative or not. I am testing: Index: ipa-prop.c =================================================================== --- ipa-prop.c (revision 219700) +++ ipa-prop.c (working copy) @@ -2985,7 +2985,7 @@ try_make_edge_direct_virtual_call (struc || !possible_polymorphic_call_target_p (ie, cgraph_node::get (t))) { - /* Do not speculate builtin_unreachable, it is stpid! */ + /* Do not speculate builtin_unreachable, it is stupid! */ if (!ie->indirect_info->vptr_changed) target = ipa_impossible_devirt_target (ie, target); } @@ -3013,6 +3013,7 @@ try_make_edge_direct_virtual_call (struc ctx, &final); if (final && targets.length () <= 1) { + speculative = false; if (targets.length () == 1) target = targets[0]->decl; else Index: ipa-cp.c =================================================================== --- ipa-cp.c (revision 219700) +++ ipa-cp.c (working copy) @@ -1975,8 +1975,13 @@ ipa_get_indirect_edge_target_1 (struct c } } else if (t) - context = ipa_polymorphic_call_context (t, ie->indirect_info->otr_type, - anc_offset); + { + context = ipa_polymorphic_call_context (t, ie->indirect_info->otr_type, + anc_offset); + if (ie->indirect_info->vptr_changed) + context.possible_dynamic_type_change (ie->in_polymorphic_cdtor, + ie->indirect_info->otr_type); + } else return NULL_TREE;
next prev parent reply other threads:[~2015-01-16 4:39 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-12-22 21:42 [Bug ipa/64378] New: " zsojka at seznam dot cz 2014-12-22 21:58 ` [Bug ipa/64378] " dominiq at lps dot ens.fr 2015-01-09 11:20 ` rguenth at gcc dot gnu.org 2015-01-13 10:57 ` rguenth at gcc dot gnu.org 2015-01-16 4:39 ` hubicka at gcc dot gnu.org [this message] 2015-01-16 5:04 ` hubicka at gcc dot gnu.org 2015-01-18 17:32 ` hubicka at gcc dot gnu.org 2015-01-18 21:18 ` hubicka at gcc dot gnu.org
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