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Transforms match into an assignment statement #120614

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merged 7 commits into from Apr 8, 2024
Merged

Transforms match into an assignment statement #120614

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badb73b
Update matches_reduce_branches.rs
DianQK Feb 20, 2024
7af7458
Refactor `MatchBranchSimplification`
DianQK Feb 20, 2024
1f061f4
Transforms match into an assignment statement
DianQK Feb 20, 2024
e752af7
Transforms a match containing negative numbers into an assignment sta…
DianQK Feb 20, 2024
254289a
Updating the MIR with MirPatch
DianQK Feb 21, 2024
032bb74
Add comments for `CompareType`
DianQK Mar 10, 2024
f440737
Change the return type of `can_simplify` to `Option<()>`
DianQK Mar 10, 2024
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6 changes: 6 additions & 0 deletions compiler/rustc_middle/src/mir/terminator.rs
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Expand Up @@ -85,6 +85,12 @@ impl SwitchTargets {
self.values.push(value);
self.targets.insert(self.targets.len() - 1, bb);
}

/// Returns true if all targets (including the fallback target) are distinct.
#[inline]
pub fn is_distinct(&self) -> bool {
self.targets.iter().collect::<FxHashSet<_>>().len() == self.targets.len()
}
}

pub struct SwitchTargetsIter<'a> {
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