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make reorder BB pass use cached RPO

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This commit is contained in:
Rémy Rakic 2023-06-14 19:57:55 +00:00
parent 4215859617
commit 8f6e65136c
1 changed files with 1 additions and 1 deletions
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2
compiler/rustc_mir_transform/src/prettify.rs
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@ -24,7 +24,7 @@ impl<'tcx> MirPass<'tcx> for ReorderBasicBlocks {
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let rpo: IndexVec<BasicBlock, BasicBlock> =
body.basic_blocks.postorder().iter().copied().rev().collect();
body.basic_blocks.reverse_postorder().iter().copied().collect();
if rpo.iter().is_sorted() {
return;
}