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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4
compiler/rustc_passes/src/intrinsicck.rs
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@ -14,7 +14,6 @@ use rustc_session::lint;
use rustc_span::{sym, Span, Symbol, DUMMY_SP};
use rustc_target::abi::{Pointer, VariantIdx};
use rustc_target::asm::{InlineAsmRegOrRegClass, InlineAsmType};
use rustc_target::spec::abi::Abi::RustIntrinsic;
fn check_mod_intrinsics(tcx: TyCtxt<'_>, module_def_id: LocalDefId) {
tcx.hir().deep_visit_item_likes_in_module(module_def_id, &mut ItemVisitor { tcx });
@ -63,8 +62,7 @@ fn unpack_option_like<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> {
impl<'tcx> ExprVisitor<'tcx> {
fn def_id_is_transmute(&self, def_id: DefId) -> bool {
self.tcx.fn_sig(def_id).abi() == RustIntrinsic
&& self.tcx.item_name(def_id) == sym::transmute
self.tcx.is_intrinsic(def_id) && self.tcx.item_name(def_id) == sym::transmute
}
fn check_transmute(&self, span: Span, from: Ty<'tcx>, to: Ty<'tcx>) {