bjoernager/rust
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Implement intrinsics with fallback bodies

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This commit is contained in:
Oli Scherer 2024-01-30 16:03:58 +00:00
parent 0eee945680
commit 92281c7e81
12 changed files with 137 additions and 82 deletions
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3
compiler/rustc_middle/src/ty/util.rs
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@ -1549,9 +1549,10 @@ pub fn is_doc_notable_trait(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
.any(|items| items.iter().any(|item| item.has_name(sym::notable_trait)))
}
/// Determines whether an item is an intrinsic by Abi.
/// Determines whether an item is an intrinsic by Abi. or by whether it has a `rustc_intrinsic` attribute
pub fn intrinsic(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<Symbol> {
if matches!(tcx.fn_sig(def_id).skip_binder().abi(), Abi::RustIntrinsic | Abi::PlatformIntrinsic)
|| tcx.has_attr(def_id, sym::rustc_intrinsic)
{
Some(tcx.item_name(def_id.into()))
} else {