bjoernager/rust
bjoernager/rust
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Use is_lang_item more aggressively

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This commit is contained in:
Michael Goulet 2024-06-14 14:46:32 -04:00
parent d5c48ebc71
commit 93ff86ed7c
44 changed files with 171 additions and 166 deletions
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12
compiler/rustc_ty_utils/src/instance.rs
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@ -1,5 +1,6 @@
use rustc_errors::ErrorGuaranteed;
use rustc_hir::def_id::DefId;
use rustc_hir::LangItem;
use rustc_infer::infer::TyCtxtInferExt;
use rustc_middle::bug;
use rustc_middle::query::Providers;
@ -34,7 +35,7 @@ fn resolve_instance<'tcx>(
let def = if tcx.intrinsic(def_id).is_some() {
debug!(" => intrinsic");
ty::InstanceDef::Intrinsic(def_id)
} else if Some(def_id) == tcx.lang_items().drop_in_place_fn() {
} else if tcx.is_lang_item(def_id, LangItem::DropInPlace) {
let ty = args.type_at(0);
if ty.needs_drop(tcx, param_env) {
@ -57,7 +58,7 @@ fn resolve_instance<'tcx>(
debug!(" => trivial drop glue");
ty::InstanceDef::DropGlue(def_id, None)
}
} else if Some(def_id) == tcx.lang_items().async_drop_in_place_fn() {
} else if tcx.is_lang_item(def_id, LangItem::AsyncDropInPlace) {
let ty = args.type_at(0);
if ty.async_drop_glue_morphology(tcx) != AsyncDropGlueMorphology::Noop {
@ -221,8 +222,7 @@ fn resolve_associated_item<'tcx>(
)
}
traits::ImplSource::Builtin(BuiltinImplSource::Misc, _) => {
let lang_items = tcx.lang_items();
if Some(trait_ref.def_id) == lang_items.clone_trait() {
if tcx.is_lang_item(trait_ref.def_id, LangItem::Clone) {
// FIXME(eddyb) use lang items for methods instead of names.
let name = tcx.item_name(trait_item_id);
if name == sym::clone {
@ -248,8 +248,8 @@ fn resolve_associated_item<'tcx>(
let args = tcx.erase_regions(rcvr_args);
Some(ty::Instance::new(trait_item_id, args))
}
} else if Some(trait_ref.def_id) == lang_items.fn_ptr_trait() {
if lang_items.fn_ptr_addr() == Some(trait_item_id) {
} else if tcx.is_lang_item(trait_ref.def_id, LangItem::FnPtrTrait) {
if tcx.is_lang_item(trait_item_id, LangItem::FnPtrAddr) {
let self_ty = trait_ref.self_ty();
if !matches!(self_ty.kind(), ty::FnPtr(..)) {
return Ok(None);