rust/compiler/rustc_data_structures/src/fx.rs
Martin Nordholts 95eb5bcb67 rustc_mir_transform: Make DestinationPropagation stable for queries
By using FxIndexMap instead of FxHashMap, so that the order of visiting
of locals is deterministic.

We also need to bless
copy_propagation_arg.foo.DestinationPropagation.panic*.diff. Do not
review the diff of the diff. Instead look at the diff file before and
after this commit. Both before and after this commit, 3 statements are
replaced with nop. It's just that due to change in ordering, different
statements are replaced. But the net result is the same.
2024-01-05 20:55:32 +01:00

29 lines
1.1 KiB
Rust

use std::hash::BuildHasherDefault;
pub use rustc_hash::{FxHashMap, FxHashSet, FxHasher};
pub type StdEntry<'a, K, V> = std::collections::hash_map::Entry<'a, K, V>;
pub type FxIndexMap<K, V> = indexmap::IndexMap<K, V, BuildHasherDefault<FxHasher>>;
pub type FxIndexSet<V> = indexmap::IndexSet<V, BuildHasherDefault<FxHasher>>;
pub type IndexEntry<'a, K, V> = indexmap::map::Entry<'a, K, V>;
pub type IndexOccupiedEntry<'a, K, V> = indexmap::map::OccupiedEntry<'a, K, V>;
#[macro_export]
macro_rules! define_id_collections {
($map_name:ident, $set_name:ident, $entry_name:ident, $key:ty) => {
pub type $map_name<T> = $crate::unord::UnordMap<$key, T>;
pub type $set_name = $crate::unord::UnordSet<$key>;
pub type $entry_name<'a, T> = $crate::fx::StdEntry<'a, $key, T>;
};
}
#[macro_export]
macro_rules! define_stable_id_collections {
($map_name:ident, $set_name:ident, $entry_name:ident, $key:ty) => {
pub type $map_name<T> = $crate::fx::FxIndexMap<$key, T>;
pub type $set_name = $crate::fx::FxIndexSet<$key>;
pub type $entry_name<'a, T> = $crate::fx::IndexEntry<'a, $key, T>;
};
}