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