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Rollup merge of #99022 - pierwill:always-storage-live-locals, r=pierwill

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MIR dataflow: Rename function to `always_storage_live_locals`

Related to #99021.

r?  ```@JakobDegen``` (as discussed on Zulip)
This commit is contained in:
Matthias Krüger 2022-07-09 12:52:50 +02:00 committed by GitHub
commit 416dc43124
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4 changed files with 7 additions and 7 deletions
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4
compiler/rustc_const_eval/src/interpret/eval_context.rs
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@ -15,7 +15,7 @@ use rustc_middle::ty::layout::{
use rustc_middle::ty::{
self, query::TyCtxtAt, subst::SubstsRef, ParamEnv, Ty, TyCtxt, TypeFoldable,
};
use rustc_mir_dataflow::storage::always_live_locals;
use rustc_mir_dataflow::storage::always_storage_live_locals;
use rustc_query_system::ich::StableHashingContext;
use rustc_session::Limit;
use rustc_span::{Pos, Span};
@ -707,7 +707,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
let mut locals = IndexVec::from_elem(dummy, &body.local_decls);
// Now mark those locals as live that have no `Storage*` annotations.
let always_live = always_live_locals(self.body());
let always_live = always_storage_live_locals(self.body());
for local in locals.indices() {
if always_live.contains(local) {
locals[local].value = LocalValue::Live(Operand::Immediate(Immediate::Uninit));

4
compiler/rustc_const_eval/src/transform/validate.rs
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@ -15,7 +15,7 @@ use rustc_middle::ty::fold::BottomUpFolder;
use rustc_middle::ty::subst::Subst;
use rustc_middle::ty::{self, InstanceDef, ParamEnv, Ty, TyCtxt, TypeFoldable, TypeVisitable};
use rustc_mir_dataflow::impls::MaybeStorageLive;
use rustc_mir_dataflow::storage::always_live_locals;
use rustc_mir_dataflow::storage::always_storage_live_locals;
use rustc_mir_dataflow::{Analysis, ResultsCursor};
use rustc_target::abi::{Size, VariantIdx};
@ -49,7 +49,7 @@ impl<'tcx> MirPass<'tcx> for Validator {
let param_env = tcx.param_env(def_id);
let mir_phase = self.mir_phase;
let always_live_locals = always_live_locals(body);
let always_live_locals = always_storage_live_locals(body);
let storage_liveness = MaybeStorageLive::new(always_live_locals)
.into_engine(tcx, body)
.iterate_to_fixpoint()

2
compiler/rustc_mir_dataflow/src/storage.rs
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@ -7,7 +7,7 @@ use rustc_middle::mir::{self, Local};
//
// FIXME: Currently, we need to traverse the entire MIR to compute this. We should instead store it
// as a field in the `LocalDecl` for each `Local`.
pub fn always_live_locals(body: &mir::Body<'_>) -> BitSet<Local> {
pub fn always_storage_live_locals(body: &mir::Body<'_>) -> BitSet<Local> {
let mut always_live_locals = BitSet::new_filled(body.local_decls.len());
for block in body.basic_blocks() {

4
compiler/rustc_mir_transform/src/generator.rs
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@ -67,7 +67,7 @@ use rustc_middle::ty::{self, AdtDef, Ty, TyCtxt};
use rustc_mir_dataflow::impls::{
MaybeBorrowedLocals, MaybeLiveLocals, MaybeRequiresStorage, MaybeStorageLive,
};
use rustc_mir_dataflow::storage;
use rustc_mir_dataflow::storage::always_storage_live_locals;
use rustc_mir_dataflow::{self, Analysis};
use rustc_target::abi::VariantIdx;
use rustc_target::spec::PanicStrategy;
@ -1379,7 +1379,7 @@ impl<'tcx> MirPass<'tcx> for StateTransform {
},
);
let always_live_locals = storage::always_live_locals(&body);
let always_live_locals = always_storage_live_locals(&body);
let liveness_info =
locals_live_across_suspend_points(tcx, body, &always_live_locals, movable);