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authorJan Hubicka <hubicka@ucw.cz>2014-10-05 07:02:19 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2014-10-05 05:02:19 +0000
commit0127c169d155ecdad955d1b27cbc9e34ea981d42 (patch)
treed2428ebac5861155cb99905a9e92c774a2f64be7 /gcc/ChangeLog
parent2add94cd4415d64ea2a075abfa1ce74a9ee39053 (diff)
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ipa-polymorphic-call.c (walk_ssa_copies): Recognize NULL pointer checks.
* ipa-polymorphic-call.c (walk_ssa_copies): Recognize NULL pointer checks. (ipa_polymorphic_call_context::get_dynamic_type): Return true if type doesn't change. * cgraph.h (cgraph_indirect_call_info): New flag. * cgraph.c (cgraph_node::create_indirect_edge): Initialize it. (cgraph_node::dump): Dump it. * ipa-prop.c (ipa_analyze_call_uses): Ignore return valud of context.get_dynamic_type. (ipa_make_edge_direct_to_target): Do not speculate edge that is already speuclative. (try_make_edge_direct_virtual_call): Use VPTR_CHANGED; Do not speculate to __builtin_unreachable (ipa_write_indirect_edge_info, ipa_read_indirect_edge_info): Stream vptr_changed. * ipa-cp.c (ipa_get_indirect_edge_target_1): Use vptr_changed. * g++.dg/ipa/devirt-47.C: New testcase. From-SVN: r215898
Diffstat (limited to 'gcc/ChangeLog')
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diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d338270..3bf6de1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,24 @@
2014-10-04 Jan Hubicka <hubicka@ucw.cz>
+ * ipa-polymorphic-call.c (walk_ssa_copies): Recognize
+ NULL pointer checks.
+ (ipa_polymorphic_call_context::get_dynamic_type): Return true
+ if type doesn't change.
+ * cgraph.h (cgraph_indirect_call_info): New flag.
+ * cgraph.c (cgraph_node::create_indirect_edge): Initialize it.
+ (cgraph_node::dump): Dump it.
+ * ipa-prop.c (ipa_analyze_call_uses): Ignore return valud
+ of context.get_dynamic_type.
+ (ipa_make_edge_direct_to_target): Do not speculate
+ edge that is already speuclative.
+ (try_make_edge_direct_virtual_call): Use VPTR_CHANGED; Do not
+ speculate to __builtin_unreachable
+ (ipa_write_indirect_edge_info, ipa_read_indirect_edge_info): Stream
+ vptr_changed.
+ * ipa-cp.c (ipa_get_indirect_edge_target_1): Use vptr_changed.
+
+2014-10-04 Jan Hubicka <hubicka@ucw.cz>
+
* ipa-prop.c (ipa_compute_jump_functions_for_edge): Call
get_dynamic_type; drop TODO.
* ipa-polymorphic-call.c