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Avoid a source_span query when encoding Spans into query results

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This commit is contained in:
John Kåre Alsaker 2023-09-08 02:08:52 +02:00
parent c5775a776f
commit 2a5121b131
2 changed files with 15 additions and 13 deletions
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26
compiler/rustc_incremental/src/persist/save.rs
View File

@ -47,18 +47,6 @@ pub fn save_dep_graph(tcx: TyCtxt<'_>) {
}
join(
move || {
sess.time("incr_comp_persist_result_cache", || {
// Drop the memory map so that we can remove the file and write to it.
if let Some(odc) = &tcx.query_system.on_disk_cache {
odc.drop_serialized_data(tcx);
}
file_format::save_in(sess, query_cache_path, "query cache", |e| {
encode_query_cache(tcx, e)
});
});
},
move || {
sess.time("incr_comp_persist_dep_graph", || {
if let Err(err) = tcx.dep_graph.encode(&tcx.sess.prof) {
@ -73,6 +61,20 @@ pub fn save_dep_graph(tcx: TyCtxt<'_>) {
}
});
},
move || {
// We execute this after `incr_comp_persist_dep_graph` for the serial compiler
// to catch any potential query execution writing to the dep graph.
sess.time("incr_comp_persist_result_cache", || {
// Drop the memory map so that we can remove the file and write to it.
if let Some(odc) = &tcx.query_system.on_disk_cache {
odc.drop_serialized_data(tcx);
}
file_format::save_in(sess, query_cache_path, "query cache", |e| {
encode_query_cache(tcx, e)
});
});
},
);
})
}

2
compiler/rustc_middle/src/query/on_disk_cache.rs
View File

@ -896,7 +896,7 @@ impl<'a, 'tcx> Encodable<CacheEncoder<'a, 'tcx>> for Span {
}
if let Some(parent) = span_data.parent {
let enclosing = s.tcx.source_span(parent).data_untracked();
let enclosing = s.tcx.source_span_untracked(parent).data_untracked();
if enclosing.contains(span_data) {
TAG_RELATIVE_SPAN.encode(s);
(span_data.lo - enclosing.lo).to_u32().encode(s);