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//===- TensorToSPIRVPass.cpp - Tensor 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 Tensor dialect to SPIR-V dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/TensorToSPIRV/TensorToSPIRVPass.h"
#include "mlir/Conversion/ArithToSPIRV/ArithToSPIRV.h"
#include "mlir/Conversion/FuncToSPIRV/FuncToSPIRV.h"
#include "mlir/Conversion/TensorToSPIRV/TensorToSPIRV.h"
#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
#include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h"
namespace mlir {
#define GEN_PASS_DEF_CONVERTTENSORTOSPIRV
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
namespace {
/// A pass converting MLIR Tensor operations into the SPIR-V dialect.
class ConvertTensorToSPIRVPass
: public impl::ConvertTensorToSPIRVBase<ConvertTensorToSPIRVPass> {
void runOnOperation() override {
MLIRContext *context = &getContext();
Operation *op = getOperation();
auto targetAttr = spirv::lookupTargetEnvOrDefault(op);
std::unique_ptr<ConversionTarget> target =
SPIRVConversionTarget::get(targetAttr);
SPIRVConversionOptions options;
options.emulateLT32BitScalarTypes = this->emulateLT32BitScalarTypes;
SPIRVTypeConverter typeConverter(targetAttr, options);
RewritePatternSet patterns(context);
arith::populateArithToSPIRVPatterns(typeConverter, patterns);
populateFuncToSPIRVPatterns(typeConverter, patterns);
populateTensorToSPIRVPatterns(typeConverter, /*byteCountThreshold=*/64,
patterns);
populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns);
if (failed(applyPartialConversion(op, *target, std::move(patterns))))
return signalPassFailure();
}
};
} // namespace
std::unique_ptr<OperationPass<>> mlir::createConvertTensorToSPIRVPass() {
return std::make_unique<ConvertTensorToSPIRVPass>();
}
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