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//===- TestPolynomialApproximation.cpp - Test math ops approximations -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains test passes for expanding math operations into
// polynomial approximations.
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Math/IR/Math.h"
#include "mlir/Dialect/Math/Transforms/Passes.h"
#include "mlir/Dialect/Vector/IR/VectorOps.h"
#include "mlir/Dialect/X86Vector/X86VectorDialect.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
using namespace mlir;
namespace {
struct TestMathPolynomialApproximationPass
: public PassWrapper<TestMathPolynomialApproximationPass, OperationPass<>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(
TestMathPolynomialApproximationPass)
TestMathPolynomialApproximationPass() = default;
TestMathPolynomialApproximationPass(
const TestMathPolynomialApproximationPass &pass)
: PassWrapper(pass) {}
void runOnOperation() override;
void getDependentDialects(DialectRegistry ®istry) const override {
registry.insert<arith::ArithDialect, math::MathDialect,
vector::VectorDialect>();
if (enableAvx2)
registry.insert<x86vector::X86VectorDialect>();
}
StringRef getArgument() const final {
return "test-math-polynomial-approximation";
}
StringRef getDescription() const final {
return "Test math polynomial approximations";
}
Option<bool> enableAvx2{
*this, "enable-avx2",
llvm::cl::desc("Enable approximations that emit AVX2 intrinsics via the "
"X86Vector dialect"),
llvm::cl::init(false)};
};
} // namespace
void TestMathPolynomialApproximationPass::runOnOperation() {
RewritePatternSet patterns(&getContext());
MathPolynomialApproximationOptions approxOptions;
approxOptions.enableAvx2 = enableAvx2;
populateMathPolynomialApproximationPatterns(patterns, approxOptions);
(void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
}
namespace mlir {
namespace test {
void registerTestMathPolynomialApproximationPass() {
PassRegistration<TestMathPolynomialApproximationPass>();
}
} // namespace test
} // namespace mlir
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