[PATCH] D159198: [DAG] Fold (shl (ext (add x, c1)), c2) -> (add (shl (ext x), c2), c1 << c2)

Noah Goldstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 30 15:44:05 PDT 2023

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goldstein.w.n added a comment.

Missing a test with `nuw` + `zext` and negative tests (maybe missing flag or `nsw` + `zext` / `nuw` + `sext`).


Repository:
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https://reviews.llvm.org/D159198

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