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

Implement SSA-based reference propagation.

Browse source
This commit is contained in:
Camille GILLOT 2022-12-04 18:26:09 +00:00
parent f7b831ac8a
commit 3490375570
21 changed files with 2668 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

2
compiler/rustc_mir_transform/src/copy_prop.rs
View file

@ -76,7 +76,7 @@ fn propagate_ssa<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
fn fully_moved_locals(ssa: &SsaLocals, body: &Body<'_>) -> BitSet<Local> {
let mut fully_moved = BitSet::new_filled(body.local_decls.len());
for (_, rvalue) in ssa.assignments(body) {
for (_, rvalue, _) in ssa.assignments(body) {
let (Rvalue::Use(Operand::Copy(place) | Operand::Move(place)) | Rvalue::CopyForDeref(place))
= rvalue
else { continue };