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Elaborate docs on the promoted_mir query

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This commit is contained in:
Oliver Scherer 2020-08-18 14:18:45 +02:00
parent 39a114e400
commit acad5744cc
1 changed files with 4 additions and 1 deletions
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5
src/librustc_middle/query/mod.rs
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@ -282,7 +282,10 @@ rustc_queries! {
}
/// The `DefId` is the `DefId` of the containing MIR body. Promoteds to not have their own
/// `DefId`.
/// `DefId`. This function returns all promoteds in the specified body. The body references
/// promoteds by the `DefId` and the `mir::Promoted` index. This is necessary, because
/// after inlining a body may refer to promoteds from other bodies. In that case you still
/// need to use the `DefId` of the original body.
query promoted_mir(key: DefId) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> {
desc { |tcx| "optimizing promoted MIR for `{}`", tcx.def_path_str(key) }
cache_on_disk_if { key.is_local() }