bjoernager/rust
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Improve AdtDef interning.

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This commit makes `AdtDef` use `Interned`. Much the commit is tedious
changes to introduce getter functions. The interesting changes are in
`compiler/rustc_middle/src/ty/adt.rs`.
This commit is contained in:
Nicholas Nethercote 2022-03-05 07:28:41 +11:00
parent 5f4e067719
commit ca5525d564
169 changed files with 702 additions and 687 deletions
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8
compiler/rustc_middle/src/mir/mod.rs
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@ -2425,7 +2425,7 @@ impl<'tcx> Debug for Rvalue<'tcx> {
AggregateKind::Adt(adt_did, variant, substs, _user_ty, _) => {
ty::tls::with(|tcx| {
let variant_def = &tcx.adt_def(adt_did).variants[variant];
let variant_def = &tcx.adt_def(adt_did).variant(variant);
let substs = tcx.lift(substs).expect("could not lift for printing");
let name = FmtPrinter::new(tcx, Namespace::ValueNS)
.print_def_path(variant_def.def_id, substs)?
@ -2753,7 +2753,7 @@ impl<'tcx> UserTypeProjections {
self.map_projections(|pat_ty_proj| pat_ty_proj.leaf(field))
}
pub fn variant(self, adt_def: &'tcx AdtDef, variant_index: VariantIdx, field: Field) -> Self {
pub fn variant(self, adt_def: AdtDef<'tcx>, variant_index: VariantIdx, field: Field) -> Self {
self.map_projections(|pat_ty_proj| pat_ty_proj.variant(adt_def, variant_index, field))
}
}
@ -2804,12 +2804,12 @@ impl UserTypeProjection {
pub(crate) fn variant(
mut self,
adt_def: &AdtDef,
adt_def: AdtDef<'_>,
variant_index: VariantIdx,
field: Field,
) -> Self {
self.projs.push(ProjectionElem::Downcast(
Some(adt_def.variants[variant_index].name),
Some(adt_def.variant(variant_index).name),
variant_index,
));
self.projs.push(ProjectionElem::Field(field, ()));