bjoernager/rust
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Only create OnDiskCache in incremental compilation mode

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This lets us skip doing useless work when we're not in incremental
compilation mode.
This commit is contained in:
Aaron Hill 2020-11-19 15:49:45 -05:00
parent fe982319aa
commit d00ed01876
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6 changed files with 33 additions and 17 deletions
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2
compiler/rustc_macros/src/query.rs
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@ -353,7 +353,7 @@ fn add_query_description_impl(
tcx: TyCtxt<'tcx>,
id: SerializedDepNodeIndex
) -> Option<Self::Value> {
tcx.queries.on_disk_cache.try_load_query_result(tcx, id)
tcx.queries.on_disk_cache.as_ref().and_then(|c| c.try_load_query_result(tcx, id))
}
}
};