bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

optimize un_derefer

Browse source
This commit is contained in:
ouz-a 2022-07-24 14:40:43 +03:00
parent b4c3a2af7b
commit 09134982e5
7 changed files with 26 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

7
compiler/rustc_mir_transform/src/elaborate_drops.rs
View file

@ -28,20 +28,19 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops {
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
debug!("elaborate_drops({:?} @ {:?})", body.source, body.span);
let mut un_derefer = UnDerefer { tcx: tcx, derefer_sidetable: Default::default() };
un_derefer.ref_finder(body);
let def_id = body.source.def_id();
let param_env = tcx.param_env_reveal_all_normalized(def_id);
let move_data = match MoveData::gather_moves(body, tcx, param_env) {
let (side_table, move_data) = match MoveData::gather_moves(body, tcx, param_env) {
Ok(move_data) => move_data,
Err((move_data, _)) => {
tcx.sess.delay_span_bug(
body.span,
"No `move_errors` should be allowed in MIR borrowck",
);
move_data
(Default::default(), move_data)
}
};
let un_derefer = UnDerefer { tcx: tcx, derefer_sidetable: side_table };
let elaborate_patch = {
let body = &*body;
let env = MoveDataParamEnv { move_data, param_env };