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| author | Rémy Rakic <remy.rakic+github@gmail.com> | 2023-06-14 19:57:23 +0000 |
|---|---|---|
| committer | Rémy Rakic <remy.rakic+github@gmail.com> | 2023-06-14 20:08:04 +0000 |
| commit | 4215859617a1037955db1150719c6faed2ce32a1 (patch) | |
| tree | 8814f44ae17877957d03b53136d54c23cdf49d14 | |
| parent | 066d38190bb5e086d7ab565bc46d71b49c6d5217 (diff) | |
| download | rust-4215859617a1037955db1150719c6faed2ce32a1.tar.gz rust-4215859617a1037955db1150719c6faed2ce32a1.zip | |
make const-prop use cached RPO
| -rw-r--r-- | compiler/rustc_mir_transform/src/const_prop.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_mir_transform/src/const_prop.rs b/compiler/rustc_mir_transform/src/const_prop.rs index 1d43dbda0aa..2f2c7357b00 100644 --- a/compiler/rustc_mir_transform/src/const_prop.rs +++ b/compiler/rustc_mir_transform/src/const_prop.rs @@ -118,8 +118,8 @@ impl<'tcx> MirPass<'tcx> for ConstProp { // Traverse the body in reverse post-order, to ensure that `FullConstProp` locals are // assigned before being read. - let postorder = body.basic_blocks.postorder().to_vec(); - for bb in postorder.into_iter().rev() { + let rpo = body.basic_blocks.reverse_postorder().to_vec(); + for bb in rpo { let data = &mut body.basic_blocks.as_mut_preserves_cfg()[bb]; optimization_finder.visit_basic_block_data(bb, data); } |