bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Stop using MoveDataParamEnv for places that don't need a param-env

Browse source
This commit is contained in:
Michael Goulet 2024-07-24 15:58:34 -04:00
parent 4db3d12e6f
commit f990239b34
6 changed files with 53 additions and 64 deletions
Download patch file Download diff file Expand all files Collapse all files

9
compiler/rustc_mir_transform/src/remove_uninit_drops.rs
View file

@ -3,7 +3,7 @@ use rustc_middle::mir::{Body, TerminatorKind};
use rustc_middle::ty::{self, GenericArgsRef, ParamEnv, Ty, TyCtxt, VariantDef};
use rustc_mir_dataflow::impls::MaybeInitializedPlaces;
use rustc_mir_dataflow::move_paths::{LookupResult, MoveData, MovePathIndex};
use rustc_mir_dataflow::{move_path_children_matching, Analysis, MaybeReachable, MoveDataParamEnv};
use rustc_mir_dataflow::{move_path_children_matching, Analysis, MaybeReachable};
use rustc_target::abi::FieldIdx;
use crate::MirPass;
@ -24,8 +24,7 @@ impl<'tcx> MirPass<'tcx> for RemoveUninitDrops {
let move_data =
MoveData::gather_moves(body, tcx, param_env, |ty| ty.needs_drop(tcx, param_env));
let mdpe = MoveDataParamEnv { move_data, param_env };
let mut maybe_inits = MaybeInitializedPlaces::new(tcx, body, &mdpe)
let mut maybe_inits = MaybeInitializedPlaces::new(tcx, body, &move_data)
.into_engine(tcx, body)
.pass_name("remove_uninit_drops")
.iterate_to_fixpoint()
@ -40,7 +39,7 @@ impl<'tcx> MirPass<'tcx> for RemoveUninitDrops {
let MaybeReachable::Reachable(maybe_inits) = maybe_inits.get() else { continue };
// If there's no move path for the dropped place, it's probably a `Deref`. Let it alone.
let LookupResult::Exact(mpi) = mdpe.move_data.rev_lookup.find(place.as_ref()) else {
let LookupResult::Exact(mpi) = move_data.rev_lookup.find(place.as_ref()) else {
continue;
};
@ -48,7 +47,7 @@ impl<'tcx> MirPass<'tcx> for RemoveUninitDrops {
tcx,
param_env,
maybe_inits,
&mdpe.move_data,
&move_data,
place.ty(body, tcx).ty,
mpi,
);