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Remove the queries

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This commit is contained in:
Deadbeef
2021-09-02 11:04:29 +00:00
parent 1ca83c6451
commit 82117289f2
3 changed files with 13 additions and 116 deletions
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29
compiler/rustc_middle/src/ty/util.rs
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@@ -792,35 +792,6 @@ impl<'tcx> ty::TyS<'tcx> {
}
}
}
/// If `ty.needs_non_const_drop(...)` returns true, then `ty` is definitely
/// non-copy and *might* have a non-const destructor attached; if it returns
/// `false`, then `ty` definitely has a const destructor or no destructor at all.
///
/// (Note that this implies that if `ty` has a non-const destructor attached,
/// then `needs_non_const_drop` will definitely return `true` for `ty`.)
pub fn needs_non_const_drop(
&'tcx self,
tcx: TyCtxt<'tcx>,
param_env: ty::ParamEnv<'tcx>,
) -> bool {
// Avoid querying in simple cases.
match needs_drop_components(self, &tcx.data_layout) {
Err(AlwaysRequiresDrop) => true,
Ok(components) => {
let query_ty = match *components {
[] => return false,
// if we've got a single component, call the query with that
// to increase the chance that we hit the query cache.
[component_ty] => component_ty,
_ => self,
};
// This doesn't depend on regions, so try to minimize distinct
// query keys used.
let erased = tcx.normalize_erasing_regions(param_env, query_ty);
tcx.needs_non_const_drop_raw(param_env.and(erased))
}
}
}
/// Checks if `ty` has has a significant drop.
///