bjoernager/rust
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Explicit performance concern.

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This commit is contained in:
Camille GILLOT 2023-04-26 18:42:41 +00:00
parent 38612f5ec7
commit 0bd9bd6b8a
1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_mir_transform/src/ref_prop.rs
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@ -131,8 +131,8 @@ fn compute_replacement<'tcx>(
let maybe_dead = maybe_dead.contains(target.local); let maybe_dead = maybe_dead.contains(target.local);
if target.projection.first() == Some(&PlaceElem::Deref) { if target.projection.first() == Some(&PlaceElem::Deref) {
// We are creating a reborrow. As `place.local` is a reference, removing the // We are creating a reborrow. As `place.local` is a reference, removing the storage
// `StorageDead` is fine. // statements should not make it much harder for LLVM to optimize.
if maybe_dead { if maybe_dead {
storage_to_remove.insert(target.local); storage_to_remove.insert(target.local);
} }