You are right of course about LLVM being source of slowness. In general discussion I see around is that all Rust's perf optimizations are to Rust's credit (not

You are right of course about LLVM being source of slowness. In general discussion I see around is that all Rust's perf optimizations are to Rust's credit (nothing about LLVM optimization) while all woes around Rust's compile time lay at step of LLVM and Rust is not be blamed.