a3d2b7e2cb
Cf. https://discourse.llvm.org/t/future-of-the-polynomial-dialect/86117 For posterity, the polynomial dialect development has moved to HEIR, and as of this writing the different components can be found here: -a422f130fa/lib/Dialect/Polynomial-a422f130fa/lib/Transforms/PolynomialApproximation-a422f130fa/lib/Transforms/LowerPolynomialEval