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Add merge yields pass #162429

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Add merge yields pass #162429

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85d9d2e
Create a new pass
diondokter Aug 17, 2026
1f7efdf
Build out more of the detection and translation
diondokter Aug 18, 2026
83fd47c
Impl full comparison
diondokter Aug 24, 2026
2294277
Redirect entry points
diondokter Aug 25, 2026
5ed1363
Improve algorithm so it's more obvious and move dead block elimation …
diondokter Aug 28, 2026
cbaa9ea
Create separate blocks for locals translation so it doesn't influence…
diondokter Aug 28, 2026
1556240
Add a test
diondokter Sep 2, 2026
77b2ab5
Rename from collapse to merge
diondokter Sep 2, 2026
b932817
Add docs, do a pass over names and move to results rather than using …
diondokter Sep 2, 2026
d1fa25a
Update policy
diondokter Sep 7, 2026
3a50fa0
Update after rebase
diondokter Sep 30, 2026
b857943
Check if locals are initialize before moving them
diondokter Sep 30, 2026
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2 changes: 2 additions & 0 deletions compiler/rustc_mir_transform/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ declare_passes! {
pub mod cleanup_post_borrowck : CleanupPostBorrowck;

mod copy_prop : CopyProp;
mod merge_yields : MergeYields;
mod coroutine : StateTransform;
mod coverage : InstrumentCoverage;
mod ctfe_limit : CtfeLimit;
Expand Down Expand Up @@ -661,6 +662,7 @@ fn run_runtime_lowering_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
&add_moves_for_packed_drops::AddMovesForPackedDrops,
&erase_deref_temps::EraseDerefTemps,
&elaborate_box_derefs::ElaborateBoxDerefs,
&merge_yields::MergeYields,
&coroutine::StateTransform,
&Lint(known_panics_lint::KnownPanicsLint),
];
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