llvm/mlir/lib/Dialect/Math/Transforms/LegalizeToF32.cpp

//===- LegalizeToF32.cpp - Legalize functions on small floats ----------===//
//
// 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 implements legalizing math operations on small floating-point
// types through arith.extf and arith.truncf.
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Math/IR/Math.h"
#include "mlir/Dialect/Math/Transforms/Passes.h"
#include "mlir/IR/Diagnostics.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/IR/TypeUtilities.h"
#include "mlir/Transforms/DialectConversion.h"
#include "llvm/ADT/STLExtras.h"

namespace mlir::math {
#define GEN_PASS_DEF_MATHLEGALIZETOF32
#include "mlir/Dialect/Math/Transforms/Passes.h.inc"
} // namespace mlir::math

usingnamespacemlir;
namespace {
struct LegalizeToF32RewritePattern final : ConversionPattern { … };

struct LegalizeToF32Pass final
    : mlir::math::impl::MathLegalizeToF32Base<LegalizeToF32Pass> { … };
} // namespace

void mlir::math::populateLegalizeToF32TypeConverter(
    TypeConverter &typeConverter) { … }

void mlir::math::populateLegalizeToF32ConversionTarget(
    ConversionTarget &target, TypeConverter &typeConverter) { … }

LogicalResult LegalizeToF32RewritePattern::matchAndRewrite(
    Operation *op, ArrayRef<Value> operands,
    ConversionPatternRewriter &rewriter) const { … }

void mlir::math::populateLegalizeToF32Patterns(RewritePatternSet &patterns,
                                               TypeConverter &typeConverter) { … }

void LegalizeToF32Pass::runOnOperation() { … }