predict.c (drop_profile): New function.

predict.c (drop_profile): New function.

2013-11-12  Teresa Johnson  <tejohnson@google.com>
	    Jan Hubicka  <jh@suse.cz>

	* predict.c (drop_profile): New function.
	(handle_missing_profiles): Ditto.
	(counts_to_freqs): Don't overwrite estimated frequencies
	when function has no profile counts.
	* predict.h (handle_missing_profiles): Declare.
	* tree-inline.c (freqs_to_counts): New function.
	(copy_cfg_body): Invoke freqs_to_counts as needed.
	* tree-profile.c (tree_profiling): Invoke handle_missing_profiles.

Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r204704