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Auto merge of #104170 - cjgillot:hir-def-id, r=fee1-dead

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Record `LocalDefId` in HIR nodes instead of a side table

This is part of an attempt to remove the `HirId -> LocalDefId` table from HIR.
This attempt is a prerequisite to creation of `LocalDefId` after HIR lowering (https://github.com/rust-lang/rust/pull/96840), by controlling how `def_id` information is accessed.

This first part adds the information to HIR nodes themselves instead of a table.
The second part is https://github.com/rust-lang/rust/pull/103902
The third part will be to make `hir::Visitor::visit_fn` take a `LocalDefId` as last parameter.
The fourth part will be to completely remove the side table.
This commit is contained in:
bors
2022-11-17 07:42:27 +00:00
parent 9340e5c1b9 df5c11a069
commit 7c75fe4c85
63 changed files with 449 additions and 549 deletions
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15
compiler/rustc_hir_analysis/src/astconv/mod.rs
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@@ -432,7 +432,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
ty::Const::from_opt_const_arg_anon_const(
tcx,
ty::WithOptConstParam {
did: tcx.hir().local_def_id(ct.value.hir_id),
did: ct.value.def_id,
const_param_did: Some(param.def_id),
},
)
@@ -570,8 +570,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
ConvertedBindingKind::Equality(self.ast_ty_to_ty(ty).into())
}
hir::Term::Const(ref c) => {
let local_did = self.tcx().hir().local_def_id(c.hir_id);
let c = Const::from_anon_const(self.tcx(), local_did);
let c = Const::from_anon_const(self.tcx(), c.def_id);
ConvertedBindingKind::Equality(c.into())
}
},
@@ -856,7 +855,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
&self,
bounds: &mut Bounds<'hir>,
ast_bounds: &'hir [hir::GenericBound<'hir>],
self_ty_where_predicates: Option<(hir::HirId, &'hir [hir::WherePredicate<'hir>])>,
self_ty_where_predicates: Option<(LocalDefId, &'hir [hir::WherePredicate<'hir>])>,
span: Span,
) {
let tcx = self.tcx();
@@ -876,10 +875,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
};
search_bounds(ast_bounds);
if let Some((self_ty, where_clause)) = self_ty_where_predicates {
let self_ty_def_id = tcx.hir().local_def_id(self_ty).to_def_id();
for clause in where_clause {
if let hir::WherePredicate::BoundPredicate(pred) = clause {
if pred.is_param_bound(self_ty_def_id) {
if pred.is_param_bound(self_ty.to_def_id()) {
search_bounds(pred.bounds);
}
}
@@ -2722,8 +2720,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let length = match length {
&hir::ArrayLen::Infer(_, span) => self.ct_infer(tcx.types.usize, None, span),
hir::ArrayLen::Body(constant) => {
let length_def_id = tcx.hir().local_def_id(constant.hir_id);
ty::Const::from_anon_const(tcx, length_def_id)
ty::Const::from_anon_const(tcx, constant.def_id)
}
};
@@ -2731,7 +2728,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
self.normalize_ty(ast_ty.span, array_ty)
}
hir::TyKind::Typeof(ref e) => {
let ty_erased = tcx.type_of(tcx.hir().local_def_id(e.hir_id));
let ty_erased = tcx.type_of(e.def_id);
let ty = tcx.fold_regions(ty_erased, |r, _| {
if r.is_erased() { tcx.lifetimes.re_static } else { r }
});