I inserted some compilation items in my iOS project, generated profraw files, and then used the llvm-cov tool to generate coverage reports, but I found that all swift files displayed branch coverage was 0, and I consulted llvm-project The R&D staff of llvm-project said that llvm-cov is supported, and the reason why it is not supported is related to swift. For details, see: https://github.com/llvm/llvm-project/issues/59583. So I need to trouble the swift related personnel why the branch coverage generated by the swift file is 0