Remove on_all_drop_children_bits.
As drop elaboration only tracks places that need dropping, is has become equivalent to `on_all_children_bits`.
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4 changed files with 18 additions and 36 deletions
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@ -9,9 +9,9 @@ use rustc_mir_dataflow::elaborate_drops::{elaborate_drop, DropFlagState, Unwind}
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use rustc_mir_dataflow::elaborate_drops::{DropElaborator, DropFlagMode, DropStyle};
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use rustc_mir_dataflow::impls::{MaybeInitializedPlaces, MaybeUninitializedPlaces};
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use rustc_mir_dataflow::move_paths::{LookupResult, MoveData, MovePathIndex};
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use rustc_mir_dataflow::on_all_children_bits;
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use rustc_mir_dataflow::on_lookup_result_bits;
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use rustc_mir_dataflow::MoveDataParamEnv;
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use rustc_mir_dataflow::{on_all_children_bits, on_all_drop_children_bits};
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use rustc_mir_dataflow::{Analysis, ResultsCursor};
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use rustc_span::Span;
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use rustc_target::abi::{FieldIdx, VariantIdx};
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@ -172,13 +172,19 @@ impl<'a, 'tcx> DropElaborator<'a, 'tcx> for Elaborator<'a, '_, 'tcx> {
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let mut some_live = false;
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let mut some_dead = false;
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let mut children_count = 0;
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on_all_drop_children_bits(self.tcx(), self.body(), self.ctxt.env, path, |child| {
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let (live, dead) = self.ctxt.init_data.maybe_live_dead(child);
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debug!("elaborate_drop: state({:?}) = {:?}", child, (live, dead));
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some_live |= live;
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some_dead |= dead;
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children_count += 1;
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});
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on_all_children_bits(
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self.tcx(),
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self.body(),
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self.ctxt.move_data(),
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path,
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|child| {
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let (live, dead) = self.ctxt.init_data.maybe_live_dead(child);
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debug!("elaborate_drop: state({:?}) = {:?}", child, (live, dead));
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some_live |= live;
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some_dead |= dead;
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children_count += 1;
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},
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);
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((some_live, some_dead), children_count != 1)
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}
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};
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@ -298,7 +304,7 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> {
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match path {
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LookupResult::Exact(path) => {
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self.init_data.seek_before(self.body.terminator_loc(bb));
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on_all_drop_children_bits(self.tcx, self.body, self.env, path, |child| {
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on_all_children_bits(self.tcx, self.body, self.move_data(), path, |child| {
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let (maybe_live, maybe_dead) = self.init_data.maybe_live_dead(child);
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debug!(
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"collect_drop_flags: collecting {:?} from {:?}@{:?} - {:?}",
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