anakryiko added a comment. Awesome, that's exactly what we need for BPF helper availability checks!
Can you please also add test that this pattern works: return __builtin_preserve_field_info((btf_bpf_read_branch_records)0, FIELD_EXISTENCE); Also for non-func pointer typedefs, something like this would work as well, right? return __builtin_preserve_field_info(*(T *)0, FIELD_EXISTENCE); Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D83242/new/ https://reviews.llvm.org/D83242 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
