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/Arithmetic/IR/Arithmetic.h"
15 #include "mlir/Dialect/Math/IR/Math.h"
16 #include "mlir/Dialect/Math/Transforms/Passes.h"
17 #include "mlir/Dialect/Vector/VectorOps.h"
18 #include "mlir/Pass/Pass.h"
19 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
20 
21 using namespace mlir;
22 
23 namespace {
24 struct TestMathPolynomialApproximationPass
25     : public PassWrapper<TestMathPolynomialApproximationPass, FunctionPass> {
26   void runOnFunction() override;
27   void getDependentDialects(DialectRegistry &registry) const override {
28     registry.insert<arith::ArithmeticDialect, math::MathDialect,
29                     vector::VectorDialect>();
30   }
31   StringRef getArgument() const final {
32     return "test-math-polynomial-approximation";
33   }
34   StringRef getDescription() const final {
35     return "Test math polynomial approximations";
36   }
37 };
38 } // end anonymous namespace
39 
40 void TestMathPolynomialApproximationPass::runOnFunction() {
41   RewritePatternSet patterns(&getContext());
42   populateMathPolynomialApproximationPatterns(patterns);
43   (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
44 }
45 
46 namespace mlir {
47 namespace test {
48 void registerTestMathPolynomialApproximationPass() {
49   PassRegistration<TestMathPolynomialApproximationPass>();
50 }
51 } // namespace test
52 } // namespace mlir
53