use std::io;
use rustc::mir::Mir;
-use rustc::mir::transform::MirSource;
use rustc::session::config::{OutputFilenames, OutputType};
use rustc::ty::TyCtxt;
-use transform::MirPass;
+use transform::{MirPass, MirSource};
use util as mir_util;
pub struct Marker(pub &'static str);