bjoernager/rust
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Auto merge of #97012 - oli-obk:🦀_intrinsics, r=davidtwco

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Add a query for checking whether a function is an intrinsic.

work towards #93145

This will reduce churn when we add more ways to declare intrinsics

r? `@scottmcm`
This commit is contained in:
bors 2022-05-17 09:39:26 +00:00
commit 735efc0c70
17 changed files with 52 additions and 45 deletions
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5
compiler/rustc_middle/src/query/mod.rs
View file

@ -1601,6 +1601,11 @@ rustc_queries! {
desc { "calculating the lib features defined in a crate" }
separate_provide_extern
}
/// Whether the function is an intrinsic
query is_intrinsic(def_id: DefId) -> bool {
desc { |tcx| "is_intrinsic({})", tcx.def_path_str(def_id) }
separate_provide_extern
}
/// Returns the lang items defined in another crate by loading it from metadata.
query get_lang_items(_: ()) -> LanguageItems {
storage(ArenaCacheSelector<'tcx>)

11
compiler/rustc_middle/src/ty/util.rs
View file

@ -21,6 +21,7 @@ use rustc_hir::def_id::DefId;
use rustc_macros::HashStable;
use rustc_span::{sym, DUMMY_SP};
use rustc_target::abi::{Integer, Size, TargetDataLayout};
use rustc_target::spec::abi::Abi;
use smallvec::SmallVec;
use std::{fmt, iter};
@ -1195,6 +1196,12 @@ pub fn is_doc_hidden(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
.any(|items| items.iter().any(|item| item.has_name(sym::hidden)))
}
pub fn provide(providers: &mut ty::query::Providers) {
*providers = ty::query::Providers { normalize_opaque_types, is_doc_hidden, ..*providers }
/// Determines whether an item is an intrinsic by Abi.
pub fn is_intrinsic(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
matches!(tcx.fn_sig(def_id).abi(), Abi::RustIntrinsic | Abi::PlatformIntrinsic)
}
pub fn provide(providers: &mut ty::query::Providers) {
*providers =
ty::query::Providers { normalize_opaque_types, is_doc_hidden, is_intrinsic, ..*providers }
}