Also move the MIR visitor to librustc.

src/librustc/lib.rs

@@ -139,6 +139,7 @@ pub mod middle {
 pub mod mir {
     pub mod repr;
     pub mod tcx;
+    pub mod visit;
 }
 
 pub mod session;

src/librustc/mir/visit.rs

@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use rustc::middle::ty::Region;
-use rustc::mir::repr::*;
+use middle::ty::Region;
+use mir::repr::*;
 
 pub trait Visitor<'tcx> {
     // Override these, and call `self.super_xxx` to revert back to the

src/librustc_mir/lib.rs

@@ -34,5 +34,4 @@ pub mod mir_map;
 mod hair;
 mod graphviz;
 pub mod transform;
-pub mod visit;
 

src/librustc_trans/trans/mir/analyze.rs

@@ -13,7 +13,7 @@
 
 use rustc_data_structures::fnv::FnvHashSet;
 use rustc::mir::repr as mir;
-use rustc_mir::visit::{Visitor, LvalueContext};
+use rustc::mir::visit::{Visitor, LvalueContext};
 use trans::common::{self, Block};
 use super::rvalue;