Hi, annotate_cfg doesnt annotate it correctly in this case and causus ICE. There is also no benefit in offlining this.
For: _ZL27shift_amt_for_vec_perm_mask12machine_modeRK16vec_perm_indices9optab_tag total:0 head:-1 dump file: t.ii.091i.fnsummary gcc/optabs.cc: In function 'rtx_def* shift_amt_for_vec_perm_mask(machine_mode, const vec_perm_indices&, optab)': gcc/optabs.cc:7863:1: internal compiler error: in to_sreal_scale, at profile-count.cc:352 0x3ca209f internal_error(char const*, ...) ../../gcc/gcc/diagnostic-global-context.cc:517 0x3c5d5b3 fancy_abort(char const*, int, char const*) ../../gcc/gcc/diagnostic.cc:1818 0x1e42a3f profile_count::to_sreal_scale(profile_count, bool*) const ../../gcc/gcc/profile-count.cc:352 0x1b84933 analyze_function_body ../../gcc/gcc/ipa-fnsummary.cc:2941 0x1b86a13 compute_fn_summary(cgraph_node*, bool) ../../gcc/gcc/ipa-fnsummary.cc:3491 0x1b8ab4f inline_analyze_function(cgraph_node*) ../../gcc/gcc/ipa-fnsummary.cc:4630 0x1b8ad5f ipa_fn_summary_generate ../../gcc/gcc/ipa-fnsummary.cc:4673 0x1df23cf execute_ipa_summary_passes(ipa_opt_pass_d*) ../../gcc/gcc/passes.cc:2293 0x17b1e7f ipa_passes ../../gcc/gcc/cgraphunit.cc:2253 0x17b2287 symbol_table::compile() ../../gcc/gcc/cgraphunit.cc:2351 0x17b29fb symbol_table::finalize_compilation_unit() ../../gcc/gcc/cgraphunit.cc:2607 gcc/ChangeLog: 2025-07-25 Kugan Vivekanandarajah <kvivekana...@nvidia.com> * auto-profile.cc (function_instance::offline): Dont offline if inlined instance has 0 total count Thanks, Kugan
0001-AutoFDO-Dont-offline-if-inlined-instance-has-0-total.patch
Description: 0001-AutoFDO-Dont-offline-if-inlined-instance-has-0-total.patch
