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* 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
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