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_mir_dataflow/src/rustc_peek.rs
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@ -1,6 +1,5 @@
use rustc_span::symbol::sym;
use rustc_span::Span;
use rustc_target::spec::abi::Abi;
use rustc_index::bit_set::BitSet;
use rustc_middle::mir::MirPass;
@ -193,9 +192,8 @@ impl PeekCall {
&terminator.kind
{
if let ty::FnDef(def_id, substs) = *func.literal.ty().kind() {
let sig = tcx.fn_sig(def_id);
let name = tcx.item_name(def_id);
if sig.abi() != Abi::RustIntrinsic || name != sym::rustc_peek {
if !tcx.is_intrinsic(def_id) || name != sym::rustc_peek {
return None;
}