trans: Remove tracking of translation item state.
The data tracked here was meant to compare the output of the translation item collector to the set of translation items found by the on-demand translator.
This commit is contained in:
Michael Woerister
parent
b149b9d19b
commit
ac80d41175
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@ -58,7 +58,7 @@ use callee::{Callee, CallArgs, ArgExprs, ArgVals};
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use cleanup::{self, CleanupMethods, DropHint};
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use closure;
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use common::{Block, C_bool, C_bytes_in_context, C_i32, C_int, C_uint, C_integral};
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use collector::{self, TransItemState, TransItemCollectionMode};
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use collector::{self, TransItemCollectionMode};
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use common::{C_null, C_struct_in_context, C_u64, C_u8, C_undef};
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use common::{CrateContext, DropFlagHintsMap, Field, FunctionContext};
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use common::{Result, NodeIdAndSpan, VariantInfo};
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@ -1830,10 +1830,6 @@ pub fn trans_closure<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
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closure_env: closure::ClosureEnv) {
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ccx.stats().n_closures.set(ccx.stats().n_closures.get() + 1);
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if collector::collecting_debug_information(ccx.shared()) {
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ccx.record_translation_item_as_generated(TransItem::Fn(instance));
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}
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let _icx = push_ctxt("trans_closure");
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if !ccx.sess().no_landing_pads() {
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attributes::emit_uwtable(llfndecl, true);
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@ -2661,7 +2657,6 @@ pub fn trans_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
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}
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}
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collector::print_collection_results(&shared_ccx);
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symbol_names_test::report_symbol_names(&shared_ccx);
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{
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@ -2881,7 +2876,7 @@ fn collect_and_partition_translation_items<'a, 'tcx>(scx: &SharedCrateContext<'a
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let mut ccx_map = scx.translation_items().borrow_mut();
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for trans_item in items.iter().cloned() {
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ccx_map.insert(trans_item, TransItemState::PredictedButNotGenerated);
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ccx_map.insert(trans_item);
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}
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}
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@ -1271,112 +1271,3 @@ fn visit_mir_and_promoted<'tcx, V: MirVisitor<'tcx>>(mut visitor: V, mir: &mir::
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visitor.visit_mir(promoted);
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub enum TransItemState {
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PredictedAndGenerated,
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PredictedButNotGenerated,
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NotPredictedButGenerated,
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}
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pub fn collecting_debug_information(scx: &SharedCrateContext) -> bool {
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return cfg!(debug_assertions) &&
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scx.sess().opts.debugging_opts.print_trans_items.is_some();
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}
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pub fn print_collection_results<'a, 'tcx>(scx: &SharedCrateContext<'a, 'tcx>) {
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use std::hash::{Hash, SipHasher, Hasher};
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if !collecting_debug_information(scx) {
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return;
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}
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fn hash<T: Hash>(t: &T) -> u64 {
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let mut s = SipHasher::new();
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t.hash(&mut s);
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s.finish()
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}
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let trans_items = scx.translation_items().borrow();
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{
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// Check for duplicate item keys
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let mut item_keys = FnvHashMap();
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for (item, item_state) in trans_items.iter() {
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let k = item.to_string(scx.tcx());
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if item_keys.contains_key(&k) {
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let prev: (TransItem, TransItemState) = item_keys[&k];
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debug!("DUPLICATE KEY: {}", k);
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debug!(" (1) {:?}, {:?}, hash: {}, raw: {}",
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prev.0,
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prev.1,
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hash(&prev.0),
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prev.0.to_raw_string());
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debug!(" (2) {:?}, {:?}, hash: {}, raw: {}",
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*item,
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*item_state,
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hash(item),
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item.to_raw_string());
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} else {
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item_keys.insert(k, (*item, *item_state));
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}
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}
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}
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let mut predicted_but_not_generated = FnvHashSet();
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let mut not_predicted_but_generated = FnvHashSet();
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let mut predicted = FnvHashSet();
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let mut generated = FnvHashSet();
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for (item, item_state) in trans_items.iter() {
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let item_key = item.to_string(scx.tcx());
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match *item_state {
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TransItemState::PredictedAndGenerated => {
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predicted.insert(item_key.clone());
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generated.insert(item_key);
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}
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TransItemState::PredictedButNotGenerated => {
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predicted_but_not_generated.insert(item_key.clone());
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predicted.insert(item_key);
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}
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TransItemState::NotPredictedButGenerated => {
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not_predicted_but_generated.insert(item_key.clone());
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generated.insert(item_key);
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}
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}
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}
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debug!("Total number of translation items predicted: {}", predicted.len());
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debug!("Total number of translation items generated: {}", generated.len());
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debug!("Total number of translation items predicted but not generated: {}",
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predicted_but_not_generated.len());
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debug!("Total number of translation items not predicted but generated: {}",
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not_predicted_but_generated.len());
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if generated.len() > 0 {
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debug!("Failed to predict {}% of translation items",
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(100 * not_predicted_but_generated.len()) / generated.len());
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}
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if generated.len() > 0 {
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debug!("Predict {}% too many translation items",
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(100 * predicted_but_not_generated.len()) / generated.len());
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}
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debug!("");
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debug!("Not predicted but generated:");
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debug!("============================");
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for item in not_predicted_but_generated {
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debug!(" - {}", item);
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}
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debug!("");
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debug!("Predicted but not generated:");
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debug!("============================");
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for item in predicted_but_not_generated {
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debug!(" - {}", item);
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}
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}
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@ -21,7 +21,6 @@ use rustc::hir::map as hir_map;
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use {abi, adt, closure, debuginfo, expr, machine};
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use base::{self, push_ctxt};
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use callee::Callee;
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use collector;
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use trans_item::TransItem;
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use common::{type_is_sized, C_nil, const_get_elt};
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use common::{CrateContext, C_integral, C_floating, C_bool, C_str_slice, C_bytes, val_ty};
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@ -1140,11 +1139,6 @@ pub fn trans_static(ccx: &CrateContext,
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id: ast::NodeId,
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attrs: &[ast::Attribute])
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-> Result<ValueRef, ConstEvalErr> {
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if collector::collecting_debug_information(ccx.shared()) {
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ccx.record_translation_item_as_generated(TransItem::Static(id));
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}
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unsafe {
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let _icx = push_ctxt("trans_static");
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let def_id = ccx.tcx().map.local_def_id(id);
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@ -28,7 +28,6 @@ use mir::CachedMir;
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use monomorphize::Instance;
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use partitioning::CodegenUnit;
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use collector::TransItemState;
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use trans_item::TransItem;
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use type_::{Type, TypeNames};
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use rustc::ty::subst::{Substs, VecPerParamSpace};
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@ -37,7 +36,7 @@ use session::config::NoDebugInfo;
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use session::Session;
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use symbol_map::SymbolMap;
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use util::sha2::Sha256;
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use util::nodemap::{NodeMap, NodeSet, DefIdMap, FnvHashMap};
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use util::nodemap::{NodeMap, NodeSet, DefIdMap, FnvHashMap, FnvHashSet};
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use std::ffi::{CStr, CString};
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use std::cell::{Cell, RefCell};
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@ -85,7 +84,7 @@ pub struct SharedCrateContext<'a, 'tcx: 'a> {
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use_dll_storage_attrs: bool,
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translation_items: RefCell<FnvHashMap<TransItem<'tcx>, TransItemState>>,
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translation_items: RefCell<FnvHashSet<TransItem<'tcx>>>,
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trait_cache: RefCell<DepTrackingMap<TraitSelectionCache<'tcx>>>,
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}
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@ -419,7 +418,7 @@ impl<'b, 'tcx> SharedCrateContext<'b, 'tcx> {
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check_overflow: check_overflow,
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check_drop_flag_for_sanity: check_drop_flag_for_sanity,
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use_dll_storage_attrs: use_dll_storage_attrs,
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translation_items: RefCell::new(FnvHashMap()),
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translation_items: RefCell::new(FnvHashSet()),
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trait_cache: RefCell::new(DepTrackingMap::new(tcx.dep_graph.clone())),
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}
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}
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@ -482,7 +481,7 @@ impl<'b, 'tcx> SharedCrateContext<'b, 'tcx> {
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}
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}
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pub fn translation_items(&self) -> &RefCell<FnvHashMap<TransItem<'tcx>, TransItemState>> {
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pub fn translation_items(&self) -> &RefCell<FnvHashSet<TransItem<'tcx>>> {
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&self.translation_items
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}
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@ -902,24 +901,10 @@ impl<'b, 'tcx> CrateContext<'b, 'tcx> {
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&*self.local().symbol_map
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}
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pub fn translation_items(&self) -> &RefCell<FnvHashMap<TransItem<'tcx>, TransItemState>> {
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pub fn translation_items(&self) -> &RefCell<FnvHashSet<TransItem<'tcx>>> {
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&self.shared.translation_items
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}
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pub fn record_translation_item_as_generated(&self, cgi: TransItem<'tcx>) {
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if self.sess().opts.debugging_opts.print_trans_items.is_none() {
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return;
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}
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let mut codegen_items = self.translation_items().borrow_mut();
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if codegen_items.contains_key(&cgi) {
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codegen_items.insert(cgi, TransItemState::PredictedAndGenerated);
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} else {
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codegen_items.insert(cgi, TransItemState::NotPredictedButGenerated);
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}
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}
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/// Given the def-id of some item that has no type parameters, make
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/// a suitable "empty substs" for it.
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pub fn empty_substs_for_def_id(&self, item_def_id: DefId) -> &'tcx Substs<'tcx> {
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@ -27,7 +27,6 @@ use build::*;
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use callee::{Callee, ArgVals};
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use cleanup;
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use cleanup::CleanupMethods;
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use collector;
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use common::*;
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use debuginfo::DebugLoc;
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use expr;
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@ -482,11 +481,6 @@ pub fn size_and_align_of_dst<'blk, 'tcx>(bcx: &BlockAndBuilder<'blk, 'tcx>,
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fn make_drop_glue<'blk, 'tcx>(bcx: Block<'blk, 'tcx>, v0: ValueRef, g: DropGlueKind<'tcx>)
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-> Block<'blk, 'tcx> {
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if collector::collecting_debug_information(bcx.ccx().shared()) {
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bcx.ccx()
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.record_translation_item_as_generated(TransItem::DropGlue(g));
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}
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let t = g.ty();
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let skip_dtor = match g { DropGlueKind::Ty(_) => false, DropGlueKind::TyContents(_) => true };
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@ -123,7 +123,7 @@ pub fn monomorphic_fn<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
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}) => {
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let trans_item = TransItem::Fn(instance);
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if ccx.shared().translation_items().borrow().contains_key(&trans_item) {
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if ccx.shared().translation_items().borrow().contains(&trans_item) {
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attributes::from_fn_attrs(ccx, attrs, lldecl);
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llvm::SetLinkage(lldecl, llvm::ExternalLinkage);
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} else {
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