59 lines · cpp
1//===- TensorToSPIRVPass.cpp - Tensor to SPIR-V Passes ----------------===//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-exception6//7//===----------------------------------------------------------------------===//8//9// This file implements a pass to convert Tensor dialect to SPIR-V dialect.10//11//===----------------------------------------------------------------------===//12 13#include "mlir/Conversion/TensorToSPIRV/TensorToSPIRVPass.h"14 15#include "mlir/Conversion/ArithToSPIRV/ArithToSPIRV.h"16#include "mlir/Conversion/FuncToSPIRV/FuncToSPIRV.h"17#include "mlir/Conversion/TensorToSPIRV/TensorToSPIRV.h"18#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"19#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"20 21namespace mlir {22#define GEN_PASS_DEF_CONVERTTENSORTOSPIRVPASS23#include "mlir/Conversion/Passes.h.inc"24} // namespace mlir25 26using namespace mlir;27 28namespace {29/// A pass converting MLIR Tensor operations into the SPIR-V dialect.30class ConvertTensorToSPIRVPass31 : public impl::ConvertTensorToSPIRVPassBase<ConvertTensorToSPIRVPass> {32 using Base::Base;33 34 void runOnOperation() override {35 MLIRContext *context = &getContext();36 Operation *op = getOperation();37 38 auto targetAttr = spirv::lookupTargetEnvOrDefault(op);39 std::unique_ptr<ConversionTarget> target =40 SPIRVConversionTarget::get(targetAttr);41 42 SPIRVConversionOptions options;43 options.emulateLT32BitScalarTypes = this->emulateLT32BitScalarTypes;44 options.emulateUnsupportedFloatTypes = this->emulateUnsupportedFloatTypes;45 SPIRVTypeConverter typeConverter(targetAttr, options);46 47 RewritePatternSet patterns(context);48 arith::populateArithToSPIRVPatterns(typeConverter, patterns);49 populateFuncToSPIRVPatterns(typeConverter, patterns);50 populateTensorToSPIRVPatterns(typeConverter, /*byteCountThreshold=*/64,51 patterns);52 populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns);53 54 if (failed(applyPartialConversion(op, *target, std::move(patterns))))55 return signalPassFailure();56 }57};58} // namespace59