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MIR-OPT: Pass to deduplicate blocks This pass finds basic blocks that are completely equal, and replaces all uses with just one of them. ```bash $ RUSTC_LOG=rustc_mir::transform::deduplicate_blocks ./x.py build --stage 2 | grep "SUCCESS: Replacing: " > log ... $ cat log | wc -l 23875 ``` |
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| Cargo.toml | ||
| README.md | ||
For more information about how rustc works, see the rustc dev guide.