* cgraphclones.c (localize_profile): New function.
	(cgraph_node::create_clone): Use it for partial profiles.
	* common.opt (fprofile-partial-training): New flag.
	* doc/invoke.texi (-fprofile-partial-training): Document.
	* ipa-cp.c (update_profiling_info): For partial profiles do not
	set function profile to zero.
	* profile.c (compute_branch_probabilities): With partial profile
	watch if edge count is zero and turn all probabilities to guessed.
	(compute_branch_probabilities): For partial profiles do not apply
	profile when entry count is zero.
	* tree-profile.c (tree_profiling): Only do value_profile_transformations
	when profile is read.

From-SVN: r279013