move codegenunitext to rustc::mir::mono

This commit is contained in:
Mark Mansi 2019-05-24 11:19:53 -05:00
parent 621bf0da80
commit e21d002bd2
4 changed files with 70 additions and 92 deletions

View file

@ -3,9 +3,10 @@ use crate::hir::HirId;
use syntax::symbol::InternedString;
use syntax::attr::InlineAttr;
use syntax::source_map::Span;
use crate::ty::{Instance, TyCtxt, SymbolName, subst::InternalSubsts};
use crate::ty::{Instance, InstanceDef, TyCtxt, SymbolName, subst::InternalSubsts};
use crate::util::nodemap::FxHashMap;
use crate::ty::print::obsolete::DefPathBasedNames;
use crate::dep_graph::{WorkProductId, DepNode, WorkProduct, DepConstructor};
use rustc_data_structures::base_n;
use rustc_data_structures::stable_hasher::{HashStable, StableHasherResult,
StableHasher};
@ -350,6 +351,73 @@ impl<'tcx> CodegenUnit<'tcx> {
self.size_estimate = Some(size_estimate + delta);
}
}
pub fn contains_item(&self, item: &MonoItem<'tcx>) -> bool {
self.items().contains_key(item)
}
pub fn work_product_id(&self) -> WorkProductId {
WorkProductId::from_cgu_name(&self.name().as_str())
}
pub fn work_product(&self, tcx: TyCtxt<'_, '_, '_>) -> WorkProduct {
let work_product_id = self.work_product_id();
tcx.dep_graph
.previous_work_product(&work_product_id)
.unwrap_or_else(|| {
panic!("Could not find work-product for CGU `{}`", self.name())
})
}
pub fn items_in_deterministic_order<'a>(&self,
tcx: TyCtxt<'a, 'tcx, 'tcx>)
-> Vec<(MonoItem<'tcx>,
(Linkage, Visibility))> {
// The codegen tests rely on items being process in the same order as
// they appear in the file, so for local items, we sort by node_id first
#[derive(PartialEq, Eq, PartialOrd, Ord)]
pub struct ItemSortKey(Option<HirId>, SymbolName);
fn item_sort_key<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
item: MonoItem<'tcx>) -> ItemSortKey {
ItemSortKey(match item {
MonoItem::Fn(ref instance) => {
match instance.def {
// We only want to take HirIds of user-defined
// instances into account. The others don't matter for
// the codegen tests and can even make item order
// unstable.
InstanceDef::Item(def_id) => {
tcx.hir().as_local_hir_id(def_id)
}
InstanceDef::VtableShim(..) |
InstanceDef::Intrinsic(..) |
InstanceDef::FnPtrShim(..) |
InstanceDef::Virtual(..) |
InstanceDef::ClosureOnceShim { .. } |
InstanceDef::DropGlue(..) |
InstanceDef::CloneShim(..) => {
None
}
}
}
MonoItem::Static(def_id) => {
tcx.hir().as_local_hir_id(def_id)
}
MonoItem::GlobalAsm(hir_id) => {
Some(hir_id)
}
}, item.symbol_name(tcx))
}
let mut items: Vec<_> = self.items().iter().map(|(&i, &l)| (i, l)).collect();
items.sort_by_cached_key(|&(i, _)| item_sort_key(tcx, i));
items
}
pub fn codegen_dep_node(&self, tcx: TyCtxt<'_, 'tcx, 'tcx>) -> DepNode {
DepNode::new(tcx, DepConstructor::CompileCodegenUnit(self.name().clone()))
}
}
impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for CodegenUnit<'tcx> {

View file

@ -32,7 +32,6 @@ extern crate flate2;
#[macro_use] extern crate bitflags;
extern crate libc;
#[macro_use] extern crate rustc;
extern crate rustc_mir;
extern crate rustc_allocator;
extern crate rustc_target;
#[macro_use] extern crate rustc_data_structures;

View file

@ -28,7 +28,6 @@ use rustc::middle::cstore::{self, LinkagePreference};
use rustc::util::common::{time, print_time_passes_entry};
use rustc::session::config::{self, EntryFnType, Lto};
use rustc::session::Session;
use rustc_mir::monomorphize::partitioning::CodegenUnitExt;
use rustc::util::nodemap::FxHashMap;
use rustc_data_structures::indexed_vec::Idx;
use rustc_codegen_utils::{symbol_names_test, check_for_rustc_errors_attr};

View file

@ -97,8 +97,7 @@ use std::cmp;
use std::sync::Arc;
use syntax::symbol::InternedString;
use rustc::dep_graph::{WorkProductId, WorkProduct, DepNode, DepConstructor};
use rustc::hir::{CodegenFnAttrFlags, HirId};
use rustc::hir::CodegenFnAttrFlags;
use rustc::hir::def::DefKind;
use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE, CRATE_DEF_INDEX};
use rustc::mir::mono::{Linkage, Visibility, CodegenUnitNameBuilder, CodegenUnit};
@ -121,93 +120,6 @@ pub enum PartitioningStrategy {
FixedUnitCount(usize)
}
pub trait CodegenUnitExt<'tcx> {
fn as_codegen_unit(&self) -> &CodegenUnit<'tcx>;
fn contains_item(&self, item: &MonoItem<'tcx>) -> bool {
self.items().contains_key(item)
}
fn name<'a>(&'a self) -> &'a InternedString
where 'tcx: 'a,
{
&self.as_codegen_unit().name()
}
fn items(&self) -> &FxHashMap<MonoItem<'tcx>, (Linkage, Visibility)> {
&self.as_codegen_unit().items()
}
fn work_product_id(&self) -> WorkProductId {
WorkProductId::from_cgu_name(&self.name().as_str())
}
fn work_product(&self, tcx: TyCtxt<'_, '_, '_>) -> WorkProduct {
let work_product_id = self.work_product_id();
tcx.dep_graph
.previous_work_product(&work_product_id)
.unwrap_or_else(|| {
panic!("Could not find work-product for CGU `{}`", self.name())
})
}
fn items_in_deterministic_order<'a>(&self,
tcx: TyCtxt<'a, 'tcx, 'tcx>)
-> Vec<(MonoItem<'tcx>,
(Linkage, Visibility))> {
// The codegen tests rely on items being process in the same order as
// they appear in the file, so for local items, we sort by node_id first
#[derive(PartialEq, Eq, PartialOrd, Ord)]
pub struct ItemSortKey(Option<HirId>, ty::SymbolName);
fn item_sort_key<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
item: MonoItem<'tcx>) -> ItemSortKey {
ItemSortKey(match item {
MonoItem::Fn(ref instance) => {
match instance.def {
// We only want to take HirIds of user-defined
// instances into account. The others don't matter for
// the codegen tests and can even make item order
// unstable.
InstanceDef::Item(def_id) => {
tcx.hir().as_local_hir_id(def_id)
}
InstanceDef::VtableShim(..) |
InstanceDef::Intrinsic(..) |
InstanceDef::FnPtrShim(..) |
InstanceDef::Virtual(..) |
InstanceDef::ClosureOnceShim { .. } |
InstanceDef::DropGlue(..) |
InstanceDef::CloneShim(..) => {
None
}
}
}
MonoItem::Static(def_id) => {
tcx.hir().as_local_hir_id(def_id)
}
MonoItem::GlobalAsm(hir_id) => {
Some(hir_id)
}
}, item.symbol_name(tcx))
}
let mut items: Vec<_> = self.items().iter().map(|(&i, &l)| (i, l)).collect();
items.sort_by_cached_key(|&(i, _)| item_sort_key(tcx, i));
items
}
fn codegen_dep_node(&self, tcx: TyCtxt<'_, 'tcx, 'tcx>) -> DepNode {
DepNode::new(tcx, DepConstructor::CompileCodegenUnit(self.name().clone()))
}
}
impl<'tcx> CodegenUnitExt<'tcx> for CodegenUnit<'tcx> {
fn as_codegen_unit(&self) -> &CodegenUnit<'tcx> {
self
}
}
// Anything we can't find a proper codegen unit for goes into this.
fn fallback_cgu_name(name_builder: &mut CodegenUnitNameBuilder<'_, '_, '_>) -> InternedString {
name_builder.build_cgu_name(LOCAL_CRATE, &["fallback"], Some("cgu"))