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-rw-r--r--src/librustc/dep_graph/dep_node.rs20
-rw-r--r--src/librustc/middle/dead.rs2
-rw-r--r--src/librustc/middle/entry.rs3
-rw-r--r--src/librustc/middle/lang_items.rs2
-rw-r--r--src/librustc/middle/resolve_lifetime.rs2
-rw-r--r--src/librustc/middle/stability.rs4
-rw-r--r--src/librustc_driver/derive_registrar.rs2
-rw-r--r--src/librustc_plugin/build.rs2
-rw-r--r--src/librustc_trans/back/link.rs2
-rw-r--r--src/librustc_trans/base.rs4
-rw-r--r--src/librustc_typeck/check_unused.rs3
-rw-r--r--src/librustc_typeck/coherence/mod.rs2
-rw-r--r--src/librustc_typeck/lib.rs2
13 files changed, 1 insertions, 49 deletions
diff --git a/src/librustc/dep_graph/dep_node.rs b/src/librustc/dep_graph/dep_node.rs
index dfec80aafcd..fd9750dbfe3 100644
--- a/src/librustc/dep_graph/dep_node.rs
+++ b/src/librustc/dep_graph/dep_node.rs
@@ -56,21 +56,14 @@ pub enum DepNode<D: Clone + Debug> {
     WorkProduct(Arc<WorkProductId>),
 
     // Represents different phases in the compiler.
-    CollectLanguageItems,
-    ResolveLifetimes,
     RegionResolveCrate,
-    PluginRegistrar,
-    StabilityIndex,
     Coherence,
     Resolve,
-    EntryPoint,
-    CheckEntryFn,
     CoherenceCheckTrait(D),
     CoherenceCheckImpl(D),
     CoherenceOverlapCheck(D),
     CoherenceOverlapCheckSpecial(D),
     Variance,
-    UnusedTraitCheck,
     PrivacyAccessLevels(CrateNum),
 
     // Represents the MIR for a fn; also used as the task node for
@@ -83,13 +76,10 @@ pub enum DepNode<D: Clone + Debug> {
     BorrowCheck(D),
     RvalueCheck(D),
     Reachability,
-    DeadCheck,
     LateLintCheck,
-    TransCrate,
     TransCrateItem(D),
     TransInlinedItem(D),
     TransWriteMetadata,
-    LinkBinary,
 
     // Nodes representing bits of computed IR in the tcx. Each shared
     // table in the tcx (or elsewhere) maps to one of these
@@ -200,24 +190,14 @@ impl<D: Clone + Debug> DepNode<D> {
             BorrowCheckKrate => Some(BorrowCheckKrate),
             MirKrate => Some(MirKrate),
             TypeckBodiesKrate => Some(TypeckBodiesKrate),
-            CollectLanguageItems => Some(CollectLanguageItems),
-            ResolveLifetimes => Some(ResolveLifetimes),
             RegionResolveCrate => Some(RegionResolveCrate),
-            PluginRegistrar => Some(PluginRegistrar),
-            StabilityIndex => Some(StabilityIndex),
             Coherence => Some(Coherence),
             Resolve => Some(Resolve),
-            EntryPoint => Some(EntryPoint),
-            CheckEntryFn => Some(CheckEntryFn),
             Variance => Some(Variance),
-            UnusedTraitCheck => Some(UnusedTraitCheck),
             PrivacyAccessLevels(k) => Some(PrivacyAccessLevels(k)),
             Reachability => Some(Reachability),
-            DeadCheck => Some(DeadCheck),
             LateLintCheck => Some(LateLintCheck),
-            TransCrate => Some(TransCrate),
             TransWriteMetadata => Some(TransWriteMetadata),
-            LinkBinary => Some(LinkBinary),
 
             // work product names do not need to be mapped, because
             // they are always absolute.
diff --git a/src/librustc/middle/dead.rs b/src/librustc/middle/dead.rs
index 342553593af..63d90d93bb5 100644
--- a/src/librustc/middle/dead.rs
+++ b/src/librustc/middle/dead.rs
@@ -12,7 +12,6 @@
 // closely. The idea is that all reachable symbols are live, codes called
 // from live codes are live, and everything else is dead.
 
-use dep_graph::DepNode;
 use hir::map as hir_map;
 use hir::{self, PatKind};
 use hir::intravisit::{self, Visitor, NestedVisitorMap};
@@ -594,7 +593,6 @@ impl<'a, 'tcx> Visitor<'tcx> for DeadVisitor<'a, 'tcx> {
 }
 
 pub fn check_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
-    let _task = tcx.dep_graph.in_task(DepNode::DeadCheck);
     let access_levels = &ty::queries::privacy_access_levels::get(tcx, DUMMY_SP, LOCAL_CRATE);
     let krate = tcx.hir.krate();
     let live_symbols = find_live(tcx, access_levels, krate);
diff --git a/src/librustc/middle/entry.rs b/src/librustc/middle/entry.rs
index ff7adfb327a..8da7560387f 100644
--- a/src/librustc/middle/entry.rs
+++ b/src/librustc/middle/entry.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 
-use dep_graph::DepNode;
 use hir::map as hir_map;
 use hir::def_id::{CRATE_DEF_INDEX};
 use session::{config, Session};
@@ -57,8 +56,6 @@ impl<'a, 'tcx> ItemLikeVisitor<'tcx> for EntryContext<'a, 'tcx> {
 }
 
 pub fn find_entry_point(session: &Session, hir_map: &hir_map::Map) {
-    let _task = hir_map.dep_graph.in_task(DepNode::EntryPoint);
-
     let any_exe = session.crate_types.borrow().iter().any(|ty| {
         *ty == config::CrateTypeExecutable
     });
diff --git a/src/librustc/middle/lang_items.rs b/src/librustc/middle/lang_items.rs
index 81a415a2f53..5989fa9007c 100644
--- a/src/librustc/middle/lang_items.rs
+++ b/src/librustc/middle/lang_items.rs
@@ -21,7 +21,6 @@
 
 pub use self::LangItem::*;
 
-use dep_graph::DepNode;
 use hir::map as hir_map;
 use session::Session;
 use hir::def_id::DefId;
@@ -236,7 +235,6 @@ pub fn extract(attrs: &[ast::Attribute]) -> Option<Symbol> {
 pub fn collect_language_items(session: &Session,
                               map: &hir_map::Map)
                               -> LanguageItems {
-    let _task = map.dep_graph.in_task(DepNode::CollectLanguageItems);
     let krate: &hir::Crate = map.krate();
     let mut collector = LanguageItemCollector::new(session, map);
     collector.collect(krate);
diff --git a/src/librustc/middle/resolve_lifetime.rs b/src/librustc/middle/resolve_lifetime.rs
index b9938a04047..a1aabc775a3 100644
--- a/src/librustc/middle/resolve_lifetime.rs
+++ b/src/librustc/middle/resolve_lifetime.rs
@@ -15,7 +15,6 @@
 //! used between functions, and they operate in a purely top-down
 //! way. Therefore we break lifetime name resolution into a separate pass.
 
-use dep_graph::DepNode;
 use hir::map::Map;
 use session::Session;
 use hir::def::Def;
@@ -259,7 +258,6 @@ const ROOT_SCOPE: ScopeRef<'static> = &Scope::Root;
 pub fn krate(sess: &Session,
              hir_map: &Map)
              -> Result<NamedRegionMap, usize> {
-    let _task = hir_map.dep_graph.in_task(DepNode::ResolveLifetimes);
     let krate = hir_map.krate();
     let mut map = NamedRegionMap {
         defs: NodeMap(),
diff --git a/src/librustc/middle/stability.rs b/src/librustc/middle/stability.rs
index f618386c610..1e856f6716e 100644
--- a/src/librustc/middle/stability.rs
+++ b/src/librustc/middle/stability.rs
@@ -13,7 +13,6 @@
 
 pub use self::StabilityLevel::*;
 
-use dep_graph::DepNode;
 use hir::map as hir_map;
 use lint;
 use hir::def::Def;
@@ -383,7 +382,6 @@ impl<'a, 'tcx> Index<'tcx> {
         // Put the active features into a map for quick lookup
         self.active_features = active_lib_features.iter().map(|&(ref s, _)| s.clone()).collect();
 
-        let _task = tcx.dep_graph.in_task(DepNode::StabilityIndex);
         let krate = tcx.hir.krate();
         let mut annotator = Annotator {
             tcx: tcx,
@@ -397,7 +395,6 @@ impl<'a, 'tcx> Index<'tcx> {
     }
 
     pub fn new(hir_map: &hir_map::Map) -> Index<'tcx> {
-        let _task = hir_map.dep_graph.in_task(DepNode::StabilityIndex);
         let krate = hir_map.krate();
 
         let mut is_staged_api = false;
@@ -662,7 +659,6 @@ pub fn check_unused_or_stable_features<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
     let access_levels = &ty::queries::privacy_access_levels::get(tcx, DUMMY_SP, LOCAL_CRATE);
 
     if tcx.stability.borrow().staged_api[&LOCAL_CRATE] && tcx.sess.features.borrow().staged_api {
-        let _task = tcx.dep_graph.in_task(DepNode::StabilityIndex);
         let krate = tcx.hir.krate();
         let mut missing = MissingStabilityAnnotations {
             tcx: tcx,
diff --git a/src/librustc_driver/derive_registrar.rs b/src/librustc_driver/derive_registrar.rs
index 6a884bafce7..9983efce6af 100644
--- a/src/librustc_driver/derive_registrar.rs
+++ b/src/librustc_driver/derive_registrar.rs
@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use rustc::dep_graph::DepNode;
 use rustc::hir::itemlikevisit::ItemLikeVisitor;
 use rustc::hir::map::Map;
 use rustc::hir;
@@ -16,7 +15,6 @@ use syntax::ast;
 use syntax::attr;
 
 pub fn find(hir_map: &Map) -> Option<ast::NodeId> {
-    let _task = hir_map.dep_graph.in_task(DepNode::PluginRegistrar);
     let krate = hir_map.krate();
 
     let mut finder = Finder { registrar: None };
diff --git a/src/librustc_plugin/build.rs b/src/librustc_plugin/build.rs
index 34ebd12de9c..88af8b49b9e 100644
--- a/src/librustc_plugin/build.rs
+++ b/src/librustc_plugin/build.rs
@@ -14,7 +14,6 @@ use syntax::ast;
 use syntax::attr;
 use errors;
 use syntax_pos::Span;
-use rustc::dep_graph::DepNode;
 use rustc::hir::map::Map;
 use rustc::hir::itemlikevisit::ItemLikeVisitor;
 use rustc::hir;
@@ -44,7 +43,6 @@ impl<'v> ItemLikeVisitor<'v> for RegistrarFinder {
 pub fn find_plugin_registrar(diagnostic: &errors::Handler,
                              hir_map: &Map)
                              -> Option<ast::NodeId> {
-    let _task = hir_map.dep_graph.in_task(DepNode::PluginRegistrar);
     let krate = hir_map.krate();
 
     let mut finder = RegistrarFinder { registrars: Vec::new() };
diff --git a/src/librustc_trans/back/link.rs b/src/librustc_trans/back/link.rs
index 7468f4ace1b..7c0522a9c8c 100644
--- a/src/librustc_trans/back/link.rs
+++ b/src/librustc_trans/back/link.rs
@@ -192,8 +192,6 @@ pub fn link_binary(sess: &Session,
                    trans: &CrateTranslation,
                    outputs: &OutputFilenames,
                    crate_name: &str) -> Vec<PathBuf> {
-    let _task = sess.dep_graph.in_task(DepNode::LinkBinary);
-
     let mut out_filenames = Vec::new();
     for &crate_type in sess.crate_types.borrow().iter() {
         // Ignore executable crates if we have -Z no-trans, as they will error.
diff --git a/src/librustc_trans/base.rs b/src/librustc_trans/base.rs
index c770bbdb90f..cb8022efedb 100644
--- a/src/librustc_trans/base.rs
+++ b/src/librustc_trans/base.rs
@@ -38,7 +38,7 @@ use rustc::hir::def_id::LOCAL_CRATE;
 use middle::lang_items::StartFnLangItem;
 use middle::cstore::EncodedMetadata;
 use rustc::ty::{self, Ty, TyCtxt};
-use rustc::dep_graph::{AssertDepGraphSafe, DepNode};
+use rustc::dep_graph::AssertDepGraphSafe;
 use rustc::middle::cstore::LinkMeta;
 use rustc::hir::map as hir_map;
 use rustc::util::common::time;
@@ -1057,8 +1057,6 @@ pub fn trans_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
                              analysis: ty::CrateAnalysis,
                              incremental_hashes_map: &IncrementalHashesMap)
                              -> CrateTranslation {
-    let _task = tcx.dep_graph.in_task(DepNode::TransCrate);
-
     // Be careful with this krate: obviously it gives access to the
     // entire contents of the krate. So if you push any subtasks of
     // `TransCrate`, you need to be careful to register "reads" of the
diff --git a/src/librustc_typeck/check_unused.rs b/src/librustc_typeck/check_unused.rs
index 3791079dc81..c9479c5cebc 100644
--- a/src/librustc_typeck/check_unused.rs
+++ b/src/librustc_typeck/check_unused.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 use lint;
-use rustc::dep_graph::DepNode;
 use rustc::ty::TyCtxt;
 
 use syntax::ast;
@@ -62,8 +61,6 @@ impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for CheckVisitor<'a, 'tcx> {
 }
 
 pub fn check_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
-    let _task = tcx.dep_graph.in_task(DepNode::UnusedTraitCheck);
-
     let mut used_trait_imports = DefIdSet();
     for &body_id in tcx.hir.krate().bodies.keys() {
         let item_id = tcx.hir.body_owner(body_id);
diff --git a/src/librustc_typeck/coherence/mod.rs b/src/librustc_typeck/coherence/mod.rs
index b3a7b612dd5..b385ddc49c1 100644
--- a/src/librustc_typeck/coherence/mod.rs
+++ b/src/librustc_typeck/coherence/mod.rs
@@ -18,7 +18,6 @@
 use hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc::ty::{self, TyCtxt, TypeFoldable};
 use rustc::ty::maps::Providers;
-use rustc::dep_graph::DepNode;
 
 use syntax::ast;
 use syntax_pos::DUMMY_SP;
@@ -132,7 +131,6 @@ fn coherent_trait<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
 }
 
 pub fn check_coherence<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
-    let _task = tcx.dep_graph.in_task(DepNode::Coherence);
     for &trait_def_id in tcx.hir.krate().trait_impls.keys() {
         ty::queries::coherent_trait::get(tcx, DUMMY_SP, (LOCAL_CRATE, trait_def_id));
     }
diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs
index e9d52c5eb98..e9a606dc0ab 100644
--- a/src/librustc_typeck/lib.rs
+++ b/src/librustc_typeck/lib.rs
@@ -104,7 +104,6 @@ pub use rustc::middle;
 pub use rustc::session;
 pub use rustc::util;
 
-use dep_graph::DepNode;
 use hir::map as hir_map;
 use rustc::infer::InferOk;
 use rustc::ty::subst::Substs;
@@ -273,7 +272,6 @@ fn check_start_fn_ty<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
 }
 
 fn check_for_entry_fn<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
-    let _task = tcx.dep_graph.in_task(DepNode::CheckEntryFn);
     if let Some((id, sp)) = *tcx.sess.entry_fn.borrow() {
         match tcx.sess.entry_type.get() {
             Some(config::EntryMain) => check_main_fn_ty(tcx, id, sp),