bjoernager/rust
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Allow query system to recover a HirId.

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This commit is contained in:
Camille GILLOT 2022-09-09 12:05:01 +02:00
parent 744e397d88
commit 6019cbbfd3
2 changed files with 37 additions and 7 deletions
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6
compiler/rustc_query_system/src/dep_graph/mod.rs
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@ -94,6 +94,8 @@ impl<T: DepContext> HasDepContext for T {
pub enum FingerprintStyle {
/// The fingerprint is actually a DefPathHash.
DefPathHash,
/// The fingerprint is actually a HirId.
HirId,
/// Query key was `()` or equivalent, so fingerprint is just zero.
Unit,
/// Some opaque hash.
@ -104,7 +106,9 @@ impl FingerprintStyle {
#[inline]
pub fn reconstructible(self) -> bool {
match self {
FingerprintStyle::DefPathHash | FingerprintStyle::Unit => true,
FingerprintStyle::DefPathHash | FingerprintStyle::Unit | FingerprintStyle::HirId => {
true
}
FingerprintStyle::Opaque => false,
}
}