bjoernager/rust
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Don't require owned data in MaybeStorageLive

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This commit is contained in:
Jakob Degen 2022-12-13 04:22:47 -08:00
parent 109cccbe4f
commit 3522d48112
3 changed files with 10 additions and 9 deletions
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13
compiler/rustc_mir_dataflow/src/impls/storage_liveness.rs
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@ -3,20 +3,21 @@ pub use super::*;
use crate::{CallReturnPlaces, GenKill, Results, ResultsRefCursor};
use rustc_middle::mir::visit::{NonMutatingUseContext, PlaceContext, Visitor};
use rustc_middle::mir::*;
use std::borrow::Cow;
use std::cell::RefCell;
#[derive(Clone)]
pub struct MaybeStorageLive {
always_live_locals: BitSet<Local>,
pub struct MaybeStorageLive<'a> {
always_live_locals: Cow<'a, BitSet<Local>>,
}
impl MaybeStorageLive {
pub fn new(always_live_locals: BitSet<Local>) -> Self {
impl<'a> MaybeStorageLive<'a> {
pub fn new(always_live_locals: Cow<'a, BitSet<Local>>) -> Self {
MaybeStorageLive { always_live_locals }
}
}
impl<'tcx> crate::AnalysisDomain<'tcx> for MaybeStorageLive {
impl<'tcx, 'a> crate::AnalysisDomain<'tcx> for MaybeStorageLive<'a> {
type Domain = BitSet<Local>;
const NAME: &'static str = "maybe_storage_live";
@ -38,7 +39,7 @@ impl<'tcx> crate::AnalysisDomain<'tcx> for MaybeStorageLive {
}
}
impl<'tcx> crate::GenKillAnalysis<'tcx> for MaybeStorageLive {
impl<'tcx, 'a> crate::GenKillAnalysis<'tcx> for MaybeStorageLive<'a> {
type Idx = Local;
fn statement_effect(