IR output is too cool. It's really nice of LLVM to let you use arbitrary strings in identifiers, like %"2.core::fmt::rt::v1::Position" %"2.core::option::O

IR output is too cool. It's really nice of LLVM to let you use arbitrary strings in identifiers, like %"2.core::fmt::rt::v1::Position" %"2.core::option::Option<&'static [core::fmt::rt::v1::Argument]>" makes it easy to understand.