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Camille GILLOT 2021-01-21 18:21:55 +01:00
parent 23d415a484
commit d88420a52a
1 changed files with 5 additions and 0 deletions
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5
compiler/rustc_metadata/src/rmeta/encoder.rs
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@ -783,6 +783,11 @@ fn should_encode_stability(def_kind: DefKind) -> bool {
/// Whether we should encode MIR.
///
/// Computing, optimizing and encoding the MIR is a relatively expensive operation.
/// We want to avoid this work when not required. Therefore:
/// - we only compute `mir_for_ctfe` on items with const-eval semantics;
/// - we skip `optimized_mir` for check runs.
///
/// Return a pair, resp. for CTFE and for LLVM.
fn should_encode_mir(tcx: TyCtxt<'_>, def_id: LocalDefId) -> (bool, bool) {
match tcx.def_kind(def_id) {