bjoernager/rust
bjoernager/rust
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Make the check for cache opt-in.

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This commit is contained in:
Camille GILLOT 2023-03-07 08:34:47 +00:00
parent facf1e017d
commit 382cc909d5
4 changed files with 57 additions and 13 deletions
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12
compiler/rustc_query_system/src/query/plumbing.rs
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@ -711,6 +711,7 @@ fn ensure_must_run<Q, Qcx>(
query: Q,
qcx: Qcx,
key: &Q::Key,
check_cache: bool,
) -> (bool, Option<DepNode<Qcx::DepKind>>)
where
Q: QueryConfig<Qcx>,
@ -743,6 +744,11 @@ where
}
};
// We do not need the value at all, so do not check the cache.
if !check_cache {
return (false, None);
}
let loadable = query.loadable_from_disk(qcx, key, serialized_dep_node_index);
(!loadable, Some(dep_node))
}
@ -750,7 +756,7 @@ where
#[derive(Debug)]
pub enum QueryMode {
Get,
Ensure,
Ensure { check_cache: bool },
}
#[inline(always)]
@ -765,8 +771,8 @@ where
Q: QueryConfig<Qcx>,
Qcx: QueryContext,
{
let dep_node = if let QueryMode::Ensure = mode {
let (must_run, dep_node) = ensure_must_run(query, qcx, &key);
let dep_node = if let QueryMode::Ensure { check_cache } = mode {
let (must_run, dep_node) = ensure_must_run(query, qcx, &key, check_cache);
if !must_run {
return None;
}