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mir-opt: Do not handle the cleanup BB in the EarlyOtherwiseBranch

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DianQK 2024-11-27 06:40:02 +08:00
parent 93aea1d0fe
commit d08738c397
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4 changed files with 53 additions and 86 deletions
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4
compiler/rustc_mir_transform/src/early_otherwise_branch.rs
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@ -244,6 +244,10 @@ fn evaluate_candidate<'tcx>(
parent: BasicBlock,
) -> Option<OptimizationData<'tcx>> {
let bbs = &body.basic_blocks;
// NB: If this BB is a cleanup, we may need to figure out what else needs to be handled.
if bbs[parent].is_cleanup {
return None;
}
let TerminatorKind::SwitchInt { targets, discr: parent_discr } = &bbs[parent].terminator().kind
else {
return None;