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intern valtrees

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This commit is contained in:
Lukas Markeffsky 2025-02-07 19:33:58 +01:00
parent ef148cd7eb
commit 885e0f1b96
15 changed files with 149 additions and 117 deletions
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7
src/tools/clippy/clippy_lints/src/non_copy_const.rs
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@ -179,8 +179,8 @@ impl<'tcx> NonCopyConst<'tcx> {
}
fn is_value_unfrozen_raw_inner(cx: &LateContext<'tcx>, val: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> bool {
// No branch that we check (yet) should continue if val isn't a ValTree::Branch
let ty::ValTree::Branch(val) = val else { return false };
// No branch that we check (yet) should continue if val isn't a branch
let Some(val) = val.try_to_branch() else { return false };
match *ty.kind() {
// the fact that we have to dig into every structs to search enums
// leads us to the point checking `UnsafeCell` directly is the only option.
@ -192,9 +192,10 @@ impl<'tcx> NonCopyConst<'tcx> {
.iter()
.any(|field| Self::is_value_unfrozen_raw_inner(cx, *field, ty)),
ty::Adt(def, args) if def.is_enum() => {
let Some((&ty::ValTree::Leaf(variant_index), fields)) = val.split_first() else {
let Some((&variant_valtree, fields)) = val.split_first() else {
return false;
};
let variant_index = variant_valtree.unwrap_leaf();
let variant_index = VariantIdx::from_u32(variant_index.to_u32());
fields
.iter()