bjoernager/rust
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Do not consider borrowed Freeze locals as SSA.

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This commit is contained in:
Camille GILLOT 2023-04-26 18:30:12 +00:00
parent 3490375570
commit 3c43b61b87
10 changed files with 69 additions and 43 deletions
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6
compiler/rustc_mir_transform/src/ref_prop.rs
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@ -4,7 +4,7 @@ use rustc_index::IndexVec;
use rustc_middle::mir::visit::*;
use rustc_middle::mir::*;
use rustc_middle::ty::TyCtxt;
use rustc_mir_dataflow::impls::{borrowed_locals, MaybeStorageDead};
use rustc_mir_dataflow::impls::MaybeStorageDead;
use rustc_mir_dataflow::storage::always_storage_live_locals;
use rustc_mir_dataflow::Analysis;
@ -82,9 +82,7 @@ impl<'tcx> MirPass<'tcx> for ReferencePropagation {
}
fn propagate_ssa<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let param_env = tcx.param_env_reveal_all_normalized(body.source.def_id());
let borrowed_locals = borrowed_locals(body);
let ssa = SsaLocals::new(tcx, param_env, body, &borrowed_locals);
let ssa = SsaLocals::new(body);
let mut replacer = compute_replacement(tcx, body, &ssa);
debug!(?replacer.targets, ?replacer.allowed_replacements, ?replacer.storage_to_remove);