lorenzo chelini c1a2292526
[MLIR][NFC] Retire let constructor for passes in Conversion directory (part1) (#127403)
`let constructor` is deprecated since the table gen backend emits most
of the glue logic to build a pass. This PR retires the td method for
most (I need another pass) passes in the Conversion directory.
2025-02-17 10:55:27 +01:00

54 lines
1.8 KiB
C++

//===- MathToSPIRVPass.cpp - Math to SPIR-V Passes ------------------------===//
//
// 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 a pass to convert standard dialect to SPIR-V dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/MathToSPIRV/MathToSPIRVPass.h"
#include "mlir/Conversion/MathToSPIRV/MathToSPIRV.h"
#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"
namespace mlir {
#define GEN_PASS_DEF_CONVERTMATHTOSPIRVPASS
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
namespace {
/// A pass converting MLIR Math operations into the SPIR-V dialect.
class ConvertMathToSPIRVPass
: public impl::ConvertMathToSPIRVPassBase<ConvertMathToSPIRVPass> {
void runOnOperation() override;
};
} // namespace
void ConvertMathToSPIRVPass::runOnOperation() {
MLIRContext *context = &getContext();
Operation *op = getOperation();
auto targetAttr = spirv::lookupTargetEnvOrDefault(op);
std::unique_ptr<ConversionTarget> target =
SPIRVConversionTarget::get(targetAttr);
SPIRVTypeConverter typeConverter(targetAttr);
// Use UnrealizedConversionCast as the bridge so that we don't need to pull
// in patterns for other dialects.
target->addLegalOp<UnrealizedConversionCastOp>();
RewritePatternSet patterns(context);
populateMathToSPIRVPatterns(typeConverter, patterns);
if (failed(applyPartialConversion(op, *target, std::move(patterns))))
return signalPassFailure();
}