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interpreter: (eqsat) handle common subexpression elimination #3806

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superlopuh opened this issue Jan 29, 2025 · 0 comments
Open

interpreter: (eqsat) handle common subexpression elimination #3806

superlopuh opened this issue Jan 29, 2025 · 0 comments
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interpreter xDSL Interpreter

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@superlopuh
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GIven the following IR:

// x constant
a = constant 2
a_eq = eclass a
x_eq = eclass x
x_plus_x = add x_eq, x_eq

Applying x + x -> 2 * x should reuse the existing constant in the IR, instead of inserting a new one.
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Equality Saturation Dialect
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