Parallel code

src/librustc_borrowck/borrowck/mod.rs

@@ -67,9 +67,9 @@ pub struct LoanDataFlowOperator;
 pub type LoanDataFlow<'a, 'tcx> = DataFlowContext<'a, 'tcx, LoanDataFlowOperator>;
 
 pub fn check_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
-    for body_owner_def_id in tcx.body_owners() {
+    tcx.par_body_owners(|body_owner_def_id| {
         tcx.borrowck(body_owner_def_id);
-    }
+    });
 }
 
 pub fn provide(providers: &mut Providers) {

src/librustc_borrowck/lib.rs

@@ -17,6 +17,8 @@
 #![feature(from_ref)]
 #![feature(quote)]
 
+#![recursion_limit="256"]
+
 #[macro_use] extern crate log;
 extern crate syntax;
 extern crate syntax_pos;

src/librustc_driver/driver.rs

@@ -1272,11 +1272,9 @@ where
 
             time(sess, "borrow checking", || borrowck::check_crate(tcx));
 
-            time(sess, "MIR borrow checking", || {
-                for def_id in tcx.body_owners() {
-                    tcx.mir_borrowck(def_id);
-                }
-            });
+            time(sess,
+                 "MIR borrow checking",
+                 || tcx.par_body_owners(|def_id| { tcx.mir_borrowck(def_id); }));
 
             time(sess, "dumping chalk-like clauses", || {
                 rustc_traits::lowering::dump_program_clauses(tcx);

src/librustc_typeck/check/mod.rs

@@ -702,9 +702,9 @@ fn typeck_item_bodies<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, crate_num: CrateNum
 {
     debug_assert!(crate_num == LOCAL_CRATE);
     Ok(tcx.sess.track_errors(|| {
-        for body_owner_def_id in tcx.body_owners() {
+        tcx.par_body_owners(|body_owner_def_id| {
             ty::query::queries::typeck_tables_of::ensure(tcx, body_owner_def_id);
-        }
+        });
     })?)
 }
 

src/librustc_typeck/lib.rs

@@ -83,6 +83,8 @@ This API is completely unstable and subject to change.
 #![feature(slice_sort_by_cached_key)]
 #![feature(never_type)]
 
+#![recursion_limit="256"]
+
 #[macro_use] extern crate log;
 #[macro_use] extern crate syntax;
 extern crate syntax_pos;