r207877 - in /trunk/gcc: ChangeLog ipa-cp.c ipa...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Wed Feb 19 07:42:06 2014
New Revision: 207877

URL: http://gcc.gnu.org/viewcvs?rev=207877&root=gcc&view=rev
Log:

	* ipa-prop.h (ipa_ancestor_jf_data): Update ocmment.
	* ipa-prop.c (ipa_set_jf_known_type): Return early when
	not devirtualizing.
	(ipa_set_ancestor_jf): Set type to NULL hwen it is not preserved;
	do more sanity checks.
	(detect_type_change): Return true when giving up early.
	(compute_complex_assign_jump_func): Fix type parameter of
	ipa_set_ancestor_jf.
	(compute_complex_ancestor_jump_func): Likewise.
	(update_jump_functions_after_inlining): Fix updating of
	ancestor function.
	* ipa-cp.c (ipa_get_jf_ancestor_result): Be ready for type
	to be NULL.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c
    trunk/gcc/ipa-prop.c
    trunk/gcc/ipa-prop.h