bongjunj opened PR #11663 from bongjunj:fold-and-xor-not to bytecodealliance:main:
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this can be brief.Our development process is documented in the Wasmtime book:
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-->This considers all commutative LHS cases of
(x ^ ~y) & x --> x & y.
Corresponding egraph filetests are added too.;; (x ^ ~y) & x --> x & y (rule (simplify (band ty (bxor ty x (bnot ty y)) x)) (band ty x y)) (rule (simplify (band ty (bxor ty (bnot ty y) x) x)) (band ty x y)) (rule (simplify (band ty x (bxor ty x (bnot ty y)))) (band ty x y)) (rule (simplify (band ty x (bxor ty (bnot ty y) x))) (band ty x y))
bongjunj requested fitzgen for a review on PR #11663.
bongjunj requested wasmtime-compiler-reviewers for a review on PR #11663.
bongjunj edited PR #11663:
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-->This considers all commutative LHS cases of
(x ^ ~y) & x --> x & y. (#11642)
Corresponding egraph filetests are added too.;; (x ^ ~y) & x --> x & y (rule (simplify (band ty (bxor ty x (bnot ty y)) x)) (band ty x y)) (rule (simplify (band ty (bxor ty (bnot ty y) x) x)) (band ty x y)) (rule (simplify (band ty x (bxor ty x (bnot ty y)))) (band ty x y)) (rule (simplify (band ty x (bxor ty (bnot ty y) x))) (band ty x y))
github-actions[bot] commented on PR #11663:
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fitzgen submitted PR review:
Looks great but I think there are some conflicts here as well.
bongjunj updated PR #11663.
bongjunj commented on PR #11663:
Rebased on https://github.com/bytecodealliance/wasmtime/pull/11641.
All the conflicts should be resolved after #11641 is merged.
bongjunj updated PR #11663.
fitzgen merged PR #11663.
Last updated: Dec 06 2025 at 06:05 UTC