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coverage: Flatten guard logic in maybe_flush_pending_dups

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This commit is contained in:
Zalathar 2023-10-16 20:56:16 +11:00
parent 97d1a9120e
commit 7bbe4be568
1 changed files with 16 additions and 15 deletions
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31
compiler/rustc_mir_transform/src/coverage/spans.rs
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@ -456,22 +456,23 @@ impl<'a> CoverageSpansGenerator<'a> {
/// In either case, no more spans will match the span of `pending_dups`, so
/// add the `pending_dups` if they don't overlap `curr`, and clear the list.
fn maybe_flush_pending_dups(&mut self) {
if let Some(dup) = self.pending_dups.last()
&& dup.span != self.prev().span
{
debug!(
" SAME spans, but pending_dups are NOT THE SAME, so BCBs matched on \
previous iteration, or prev started a new disjoint span"
);
if dup.span.hi() <= self.curr().span.lo() {
let pending_dups = self.pending_dups.split_off(0);
for dup in pending_dups.into_iter() {
debug!(" ...adding at least one pending={:?}", dup);
self.push_refined_span(dup);
}
} else {
self.pending_dups.clear();
let Some(last_dup) = self.pending_dups.last() else { return };
if last_dup.span == self.prev().span {
return;
}
debug!(
" SAME spans, but pending_dups are NOT THE SAME, so BCBs matched on \
previous iteration, or prev started a new disjoint span"
);
if last_dup.span.hi() <= self.curr().span.lo() {
let pending_dups = self.pending_dups.split_off(0);
for dup in pending_dups.into_iter() {
debug!(" ...adding at least one pending={:?}", dup);
self.push_refined_span(dup);
}
} else {
self.pending_dups.clear();
}
}