rename `dump` to `mir_map`, which seems more suitable

src/librustc_driver/driver.rs

@@ -740,7 +740,7 @@ pub fn phase_3_run_analysis_passes<'tcx, F, R>(sess: Session,
 
         let _mir_map =
             time(time_passes, "MIR dump", ||
-                 mir::dump::dump_crate(tcx));
+                 mir::mir_map::build_mir_for_crate(tcx));
 
         time(time_passes, "liveness checking", ||
             middle::liveness::check_crate(tcx));

src/librustc_mir/lib.rs

@@ -30,7 +30,7 @@ extern crate rustc_front;
 extern crate syntax;
 
 pub mod build;
-pub mod dump;
+pub mod mir_map;
 pub mod hair;
 pub mod repr;
 mod graphviz;

src/librustc_mir/mir_map.rs

@@ -39,7 +39,7 @@ use self::syntax::codemap::Span;
 
 pub type MirMap<'tcx> = NodeMap<Mir<'tcx>>;
 
-pub fn dump_crate<'tcx>(tcx: &ty::ctxt<'tcx>) -> MirMap<'tcx>{
+pub fn build_mir_for_crate<'tcx>(tcx: &ty::ctxt<'tcx>) -> MirMap<'tcx>{
     let mut map = NodeMap();
     {
         let mut dump = OuterDump { tcx: tcx, map: &mut map };