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Cache whether a body has inline consts

This commit is contained in:
Oli Scherer 2024-05-24 09:53:20 +00:00
parent ddc5f9b6c1
commit eae5031ecb
6 changed files with 21 additions and 4 deletions

View file

@ -74,7 +74,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
let kind = match &e.kind {
ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)),
ExprKind::ConstBlock(c) => hir::ExprKind::ConstBlock(self.lower_expr(c)),
ExprKind::ConstBlock(c) => {
self.has_inline_consts = true;
hir::ExprKind::ConstBlock(self.lower_expr(c))
}
ExprKind::Repeat(expr, count) => {
let expr = self.lower_expr(expr);
let count = self.lower_array_length(count);

View file

@ -96,6 +96,8 @@ struct LoweringContext<'a, 'hir> {
/// Bodies inside the owner being lowered.
bodies: Vec<(hir::ItemLocalId, &'hir hir::Body<'hir>)>,
/// Whether there were inline consts that typeck will split out into bodies
has_inline_consts: bool,
/// Attributes inside the owner being lowered.
attrs: SortedMap<hir::ItemLocalId, &'hir [Attribute]>,
/// Collect items that were created by lowering the current owner.
@ -158,6 +160,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
item_local_id_counter: hir::ItemLocalId::ZERO,
node_id_to_local_id: Default::default(),
trait_map: Default::default(),
has_inline_consts: false,
// Lowering state.
catch_scope: None,
@ -567,6 +570,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let current_attrs = std::mem::take(&mut self.attrs);
let current_bodies = std::mem::take(&mut self.bodies);
let current_has_inline_consts = std::mem::take(&mut self.has_inline_consts);
let current_node_ids = std::mem::take(&mut self.node_id_to_local_id);
let current_trait_map = std::mem::take(&mut self.trait_map);
let current_owner =
@ -593,6 +597,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
self.attrs = current_attrs;
self.bodies = current_bodies;
self.has_inline_consts = current_has_inline_consts;
self.node_id_to_local_id = current_node_ids;
self.trait_map = current_trait_map;
self.current_hir_id_owner = current_owner;
@ -629,6 +634,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let attrs = std::mem::take(&mut self.attrs);
let mut bodies = std::mem::take(&mut self.bodies);
let trait_map = std::mem::take(&mut self.trait_map);
let has_inline_consts = std::mem::take(&mut self.has_inline_consts);
#[cfg(debug_assertions)]
for (id, attrs) in attrs.iter() {
@ -646,7 +652,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
self.tcx.hash_owner_nodes(node, &bodies, &attrs);
let num_nodes = self.item_local_id_counter.as_usize();
let (nodes, parenting) = index::index_hir(self.tcx, node, &bodies, num_nodes);
let nodes = hir::OwnerNodes { opt_hash_including_bodies, nodes, bodies };
let nodes = hir::OwnerNodes { opt_hash_including_bodies, nodes, bodies, has_inline_consts };
let attrs = hir::AttributeMap { map: attrs, opt_hash: attrs_hash };
self.arena.alloc(hir::OwnerInfo { nodes, parenting, attrs, trait_map })