bjoernager/rust
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Delegation: second attempt to improve perf

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This commit is contained in:
Bryanskiy 2024-07-31 18:58:04 +03:00
parent 595316b400
commit 9b097b2d44
5 changed files with 33 additions and 27 deletions
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13
compiler/rustc_middle/src/hir/map/mod.rs
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@ -747,18 +747,7 @@ impl<'hir> Map<'hir> {
}
pub fn opt_delegation_sig_id(self, def_id: LocalDefId) -> Option<DefId> {
if let Some(ret) = self.get_fn_output(def_id)
&& let FnRetTy::Return(ty) = ret
&& let TyKind::InferDelegation(sig_id, _) = ty.kind
{
return Some(sig_id);
}
None
}
#[inline]
pub fn delegation_sig_id(self, def_id: LocalDefId) -> DefId {
self.opt_delegation_sig_id(def_id).unwrap()
self.tcx.opt_hir_owner_node(def_id)?.fn_decl()?.opt_delegation_sig_id()
}
#[inline]