user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Change several HashMaps to IndexMap to improve incremental hashing performance

Browse source
This commit is contained in:
Jakub Beránek 2021-10-23 13:50:04 +02:00
parent e91ad5fc62
commit e475a49452
No known key found for this signature in database
GPG key ID: DBC553E540C2F619
1 changed files with 4 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

8
compiler/rustc_middle/src/middle/region.rs
View file

@ -7,7 +7,7 @@
//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/borrow_check.html
use crate::ty::TyCtxt;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_hir as hir;
use rustc_hir::Node;
@ -215,14 +215,14 @@ pub struct ScopeTree {
/// conditional expression or repeating block. (Note that the
/// enclosing scope ID for the block associated with a closure is
/// the closure itself.)
pub parent_map: FxHashMap<Scope, (Scope, ScopeDepth)>,
pub parent_map: FxIndexMap<Scope, (Scope, ScopeDepth)>,
/// Maps from a variable or binding ID to the block in which that
/// variable is declared.
var_map: FxHashMap<hir::ItemLocalId, Scope>,
var_map: FxIndexMap<hir::ItemLocalId, Scope>,
/// Maps from a `NodeId` to the associated destruction scope (if any).
destruction_scopes: FxHashMap<hir::ItemLocalId, Scope>,
destruction_scopes: FxIndexMap<hir::ItemLocalId, Scope>,
/// `rvalue_scopes` includes entries for those expressions whose
/// cleanup scope is larger than the default. The map goes from the