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Generate "invalidates" facts when -Znll-facts is passed #50798

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Merged
merged 5 commits into from
May 23, 2018
Merged

Generate "invalidates" facts when -Znll-facts is passed #50798

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f03518b
Framework and rough implementation for invalidates facts
sapphire-arches May 10, 2018
3b36fa8
Get closer to successful compilation
sapphire-arches May 15, 2018
0c902cf
Complete implementation of invalidates facts
sapphire-arches May 16, 2018
a82c097
Fix tidy errors
sapphire-arches May 16, 2018
965eef9
invalidates: properly handle terminators
sapphire-arches May 17, 2018
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4 changes: 4 additions & 0 deletions src/librustc_mir/borrow_check/nll/facts.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,9 @@ crate struct AllFacts {

// `region_live_at(R, P)` when the region R appears in a live variable at P
crate region_live_at: Vec<(RegionVid, LocationIndex)>,

// `invalidates(P, B)` when the borrow B is invalidated at point P
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man I want to change from Borrow terminology to Loan. =)

crate invalidates: Vec<(LocationIndex, BorrowIndex)>,
}

impl AllFacts {
Expand Down Expand Up @@ -69,6 +72,7 @@ impl AllFacts {
killed,
outlives,
region_live_at,
invalidates,
])
}
Ok(())
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