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[Arith] Added simplification rule for multiple equality compares #15628

Merged
merged 1 commit into from
Aug 28, 2023
Merged

[Arith] Added simplification rule for multiple equality compares #15628

merged 1 commit into from
Aug 28, 2023

Commits on Aug 27, 2023

  1. [Arith] Added simplification rule for multiple equality compares 

    The expression `(x==y) && (x==z)` requires that `y==z`.  When `y` and
`z` are constants, this can allow better constant folding by
rewriting `(x==c1) && (x==c2)` into `(x==c1) && (c1==c2)`.

This commit adds the above rewrite, and the corresponding rewrite of
the negative expression.
    @Lunderberg
    Lunderberg committed Aug 27, 2023
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