https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92133
--- Comment #7 from fxue at gcc dot gnu.org --- Author: fxue Date: Mon Dec 2 06:37:30 2019 New Revision: 278893 URL: https://gcc.gnu.org/viewcvs?rev=278893&root=gcc&view=rev Log: Enable recursive function versioning 2019-12-02 Feng Xue <f...@os.amperecomputing.com> PR ipa/92133 * doc/invoke.texi (ipa-cp-max-recursive-depth): Document new option. (ipa-cp-min-recursive-probability): Likewise. * params.opt (ipa-cp-max-recursive-depth): New. (ipa-cp-min-recursive-probability): Likewise. * ipa-cp.c (ipcp_lattice<valtype>::add_value): Add two new parameters val_p and unlimited. (self_recursively_generated_p): New function. (get_val_across_arith_op): Likewise. (propagate_vals_across_arith_jfunc): Add constant propagation for self-recursive function. (incorporate_penalties): Do not penalize pure self-recursive function. (good_cloning_opportunity_p): Dump node_is_self_scc flag. (propagate_constants_topo): Set node_is_self_scc flag for cgraph node. (get_info_about_necessary_edges): Relax hotness check for edge to self-recursive function. * ipa-prop.h (ipa_node_params): Add new field node_is_self_scc. 2019-12-02 Feng Xue <f...@os.amperecomputing.com> PR ipa/92133 * gcc.dg/ipa/ipa-clone-2.c: New test. Added: trunk/gcc/testsuite/gcc.dg/ipa/ipa-clone-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/doc/invoke.texi trunk/gcc/ipa-cp.c trunk/gcc/ipa-prop.h trunk/gcc/params.opt trunk/gcc/testsuite/ChangeLog
