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

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

View File

@@ -11,7 +11,7 @@ use crate::move_paths::{HasMoveData, InitIndex, InitKind, LookupResult, MoveData
use crate::{
drop_flag_effects, drop_flag_effects_for_function_entry, drop_flag_effects_for_location,
lattice, on_all_children_bits, on_lookup_result_bits, AnalysisDomain, GenKill, GenKillAnalysis,
MaybeReachable, MoveDataParamEnv,
MaybeReachable,
};
/// `MaybeInitializedPlaces` tracks all places that might be
@@ -52,17 +52,13 @@ use crate::{
pub struct MaybeInitializedPlaces<'a, 'mir, 'tcx> {
tcx: TyCtxt<'tcx>,
body: &'mir Body<'tcx>,
mdpe: &'a MoveDataParamEnv<'tcx>,
move_data: &'a MoveData<'tcx>,
skip_unreachable_unwind: bool,
}
impl<'a, 'mir, 'tcx> MaybeInitializedPlaces<'a, 'mir, 'tcx> {
pub fn new(
tcx: TyCtxt<'tcx>,
body: &'mir Body<'tcx>,
mdpe: &'a MoveDataParamEnv<'tcx>,
) -> Self {
MaybeInitializedPlaces { tcx, body, mdpe, skip_unreachable_unwind: false }
pub fn new(tcx: TyCtxt<'tcx>, body: &'mir Body<'tcx>, move_data: &'a MoveData<'tcx>) -> Self {
MaybeInitializedPlaces { tcx, body, move_data, skip_unreachable_unwind: false }
}
pub fn skipping_unreachable_unwind(mut self) -> Self {
@@ -89,7 +85,7 @@ impl<'a, 'mir, 'tcx> MaybeInitializedPlaces<'a, 'mir, 'tcx> {
impl<'a, 'mir, 'tcx> HasMoveData<'tcx> for MaybeInitializedPlaces<'a, 'mir, 'tcx> {
fn move_data(&self) -> &MoveData<'tcx> {
&self.mdpe.move_data
self.move_data
}
}
@@ -131,22 +127,18 @@ impl<'a, 'mir, 'tcx> HasMoveData<'tcx> for MaybeInitializedPlaces<'a, 'mir, 'tcx
pub struct MaybeUninitializedPlaces<'a, 'mir, 'tcx> {
tcx: TyCtxt<'tcx>,
body: &'mir Body<'tcx>,
mdpe: &'a MoveDataParamEnv<'tcx>,
move_data: &'a MoveData<'tcx>,
mark_inactive_variants_as_uninit: bool,
skip_unreachable_unwind: BitSet<mir::BasicBlock>,
}
impl<'a, 'mir, 'tcx> MaybeUninitializedPlaces<'a, 'mir, 'tcx> {
pub fn new(
tcx: TyCtxt<'tcx>,
body: &'mir Body<'tcx>,
mdpe: &'a MoveDataParamEnv<'tcx>,
) -> Self {
pub fn new(tcx: TyCtxt<'tcx>, body: &'mir Body<'tcx>, move_data: &'a MoveData<'tcx>) -> Self {
MaybeUninitializedPlaces {
tcx,
body,
mdpe,
move_data,
mark_inactive_variants_as_uninit: false,
skip_unreachable_unwind: BitSet::new_empty(body.basic_blocks.len()),
}
@@ -173,7 +165,7 @@ impl<'a, 'mir, 'tcx> MaybeUninitializedPlaces<'a, 'mir, 'tcx> {
impl<'a, 'tcx> HasMoveData<'tcx> for MaybeUninitializedPlaces<'a, '_, 'tcx> {
fn move_data(&self) -> &MoveData<'tcx> {
&self.mdpe.move_data
self.move_data
}
}
@@ -213,18 +205,18 @@ impl<'a, 'tcx> HasMoveData<'tcx> for MaybeUninitializedPlaces<'a, '_, 'tcx> {
/// that would require a dynamic drop-flag at that statement.
pub struct DefinitelyInitializedPlaces<'a, 'tcx> {
body: &'a Body<'tcx>,
mdpe: &'a MoveDataParamEnv<'tcx>,
move_data: &'a MoveData<'tcx>,
}
impl<'a, 'tcx> DefinitelyInitializedPlaces<'a, 'tcx> {
pub fn new(body: &'a Body<'tcx>, mdpe: &'a MoveDataParamEnv<'tcx>) -> Self {
DefinitelyInitializedPlaces { body, mdpe }
pub fn new(body: &'a Body<'tcx>, move_data: &'a MoveData<'tcx>) -> Self {
DefinitelyInitializedPlaces { body, move_data }
}
}
impl<'a, 'tcx> HasMoveData<'tcx> for DefinitelyInitializedPlaces<'a, 'tcx> {
fn move_data(&self) -> &MoveData<'tcx> {
&self.mdpe.move_data
self.move_data
}
}
@@ -259,18 +251,18 @@ impl<'a, 'tcx> HasMoveData<'tcx> for DefinitelyInitializedPlaces<'a, 'tcx> {
/// ```
pub struct EverInitializedPlaces<'a, 'mir, 'tcx> {
body: &'mir Body<'tcx>,
mdpe: &'a MoveDataParamEnv<'tcx>,
move_data: &'a MoveData<'tcx>,
}
impl<'a, 'mir, 'tcx> EverInitializedPlaces<'a, 'mir, 'tcx> {
pub fn new(body: &'mir Body<'tcx>, mdpe: &'a MoveDataParamEnv<'tcx>) -> Self {
EverInitializedPlaces { body, mdpe }
pub fn new(body: &'mir Body<'tcx>, move_data: &'a MoveData<'tcx>) -> Self {
EverInitializedPlaces { body, move_data }
}
}
impl<'a, 'tcx> HasMoveData<'tcx> for EverInitializedPlaces<'a, '_, 'tcx> {
fn move_data(&self) -> &MoveData<'tcx> {
&self.mdpe.move_data
self.move_data
}
}
@@ -328,7 +320,7 @@ impl<'tcx> AnalysisDomain<'tcx> for MaybeInitializedPlaces<'_, '_, 'tcx> {
fn initialize_start_block(&self, _: &mir::Body<'tcx>, state: &mut Self::Domain) {
*state =
MaybeReachable::Reachable(ChunkedBitSet::new_empty(self.move_data().move_paths.len()));
drop_flag_effects_for_function_entry(self.body, self.mdpe, |path, s| {
drop_flag_effects_for_function_entry(self.body, self.move_data, |path, s| {
assert!(s == DropFlagState::Present);
state.gen_(path);
});
@@ -348,7 +340,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeInitializedPlaces<'_, '_, 'tcx> {
statement: &mir::Statement<'tcx>,
location: Location,
) {
drop_flag_effects_for_location(self.body, self.mdpe, location, |path, s| {
drop_flag_effects_for_location(self.body, self.move_data, location, |path, s| {
Self::update_bits(trans, path, s)
});
@@ -380,7 +372,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeInitializedPlaces<'_, '_, 'tcx> {
{
edges = TerminatorEdges::Single(target);
}
drop_flag_effects_for_location(self.body, self.mdpe, location, |path, s| {
drop_flag_effects_for_location(self.body, self.move_data, location, |path, s| {
Self::update_bits(state, path, s)
});
edges
@@ -465,7 +457,7 @@ impl<'tcx> AnalysisDomain<'tcx> for MaybeUninitializedPlaces<'_, '_, 'tcx> {
// set all bits to 1 (uninit) before gathering counter-evidence
state.insert_all();
drop_flag_effects_for_function_entry(self.body, self.mdpe, |path, s| {
drop_flag_effects_for_function_entry(self.body, self.move_data, |path, s| {
assert!(s == DropFlagState::Present);
state.remove(path);
});
@@ -485,7 +477,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeUninitializedPlaces<'_, '_, 'tcx> {
_statement: &mir::Statement<'tcx>,
location: Location,
) {
drop_flag_effects_for_location(self.body, self.mdpe, location, |path, s| {
drop_flag_effects_for_location(self.body, self.move_data, location, |path, s| {
Self::update_bits(trans, path, s)
});
@@ -499,7 +491,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for MaybeUninitializedPlaces<'_, '_, 'tcx> {
terminator: &'mir mir::Terminator<'tcx>,
location: Location,
) -> TerminatorEdges<'mir, 'tcx> {
drop_flag_effects_for_location(self.body, self.mdpe, location, |path, s| {
drop_flag_effects_for_location(self.body, self.move_data, location, |path, s| {
Self::update_bits(trans, path, s)
});
if self.skip_unreachable_unwind.contains(location.block) {
@@ -592,7 +584,7 @@ impl<'a, 'tcx> AnalysisDomain<'tcx> for DefinitelyInitializedPlaces<'a, 'tcx> {
fn initialize_start_block(&self, _: &mir::Body<'tcx>, state: &mut Self::Domain) {
state.0.clear();
drop_flag_effects_for_function_entry(self.body, self.mdpe, |path, s| {
drop_flag_effects_for_function_entry(self.body, self.move_data, |path, s| {
assert!(s == DropFlagState::Present);
state.0.insert(path);
});
@@ -612,7 +604,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for DefinitelyInitializedPlaces<'_, 'tcx> {
_statement: &mir::Statement<'tcx>,
location: Location,
) {
drop_flag_effects_for_location(self.body, self.mdpe, location, |path, s| {
drop_flag_effects_for_location(self.body, self.move_data, location, |path, s| {
Self::update_bits(trans, path, s)
})
}
@@ -623,7 +615,7 @@ impl<'tcx> GenKillAnalysis<'tcx> for DefinitelyInitializedPlaces<'_, 'tcx> {
terminator: &'mir mir::Terminator<'tcx>,
location: Location,
) -> TerminatorEdges<'mir, 'tcx> {
drop_flag_effects_for_location(self.body, self.mdpe, location, |path, s| {
drop_flag_effects_for_location(self.body, self.move_data, location, |path, s| {
Self::update_bits(trans, path, s)
});
terminator.edges()