| 1 | //===- TestPolynomialApproximation.cpp - Test math ops approximations -----===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file contains test passes for expanding math operations into |
| 10 | // polynomial approximations. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "mlir/Dialect/Arith/IR/Arith.h" |
| 15 | #include "mlir/Dialect/Math/IR/Math.h" |
| 16 | #include "mlir/Dialect/Math/Transforms/Passes.h" |
| 17 | #include "mlir/Dialect/Vector/IR/VectorOps.h" |
| 18 | #include "mlir/Dialect/X86Vector/X86VectorDialect.h" |
| 19 | #include "mlir/Pass/Pass.h" |
| 20 | #include "mlir/Transforms/GreedyPatternRewriteDriver.h" |
| 21 | |
| 22 | using namespace mlir; |
| 23 | |
| 24 | namespace { |
| 25 | struct TestMathPolynomialApproximationPass |
| 26 | : public PassWrapper<TestMathPolynomialApproximationPass, OperationPass<>> { |
| 27 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID( |
| 28 | TestMathPolynomialApproximationPass) |
| 29 | |
| 30 | TestMathPolynomialApproximationPass() = default; |
| 31 | TestMathPolynomialApproximationPass( |
| 32 | const TestMathPolynomialApproximationPass &pass) |
| 33 | : PassWrapper(pass) {} |
| 34 | |
| 35 | void runOnOperation() override; |
| 36 | void getDependentDialects(DialectRegistry ®istry) const override { |
| 37 | registry.insert<arith::ArithDialect, math::MathDialect, |
| 38 | vector::VectorDialect>(); |
| 39 | if (enableAvx2) |
| 40 | registry.insert<x86vector::X86VectorDialect>(); |
| 41 | } |
| 42 | StringRef getArgument() const final { |
| 43 | return "test-math-polynomial-approximation"; |
| 44 | } |
| 45 | StringRef getDescription() const final { |
| 46 | return "Test math polynomial approximations"; |
| 47 | } |
| 48 | |
| 49 | Option<bool> enableAvx2{ |
| 50 | *this, "enable-avx2", |
| 51 | llvm::cl::desc("Enable approximations that emit AVX2 intrinsics via the " |
| 52 | "X86Vector dialect"), |
| 53 | llvm::cl::init(Val: false)}; |
| 54 | }; |
| 55 | } // namespace |
| 56 | |
| 57 | void TestMathPolynomialApproximationPass::runOnOperation() { |
| 58 | RewritePatternSet patterns(&getContext()); |
| 59 | MathPolynomialApproximationOptions approxOptions; |
| 60 | approxOptions.enableAvx2 = enableAvx2; |
| 61 | populateMathPolynomialApproximationPatterns(patterns, options: approxOptions); |
| 62 | (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns)); |
| 63 | } |
| 64 | |
| 65 | namespace mlir { |
| 66 | namespace test { |
| 67 | void registerTestMathPolynomialApproximationPass() { |
| 68 | PassRegistration<TestMathPolynomialApproximationPass>(); |
| 69 | } |
| 70 | } // namespace test |
| 71 | } // namespace mlir |
| 72 |