| 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-exception |
| 6 | // |
| 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 | |
| 21 | namespace mlir { |
| 22 | #define GEN_PASS_DEF_CONVERTTENSORTOSPIRV |
| 23 | #include "mlir/Conversion/Passes.h.inc" |
| 24 | } // namespace mlir |
| 25 | |
| 26 | using namespace mlir; |
| 27 | |
| 28 | namespace { |
| 29 | /// A pass converting MLIR Tensor operations into the SPIR-V dialect. |
| 30 | class ConvertTensorToSPIRVPass |
| 31 | : public impl::ConvertTensorToSPIRVBase<ConvertTensorToSPIRVPass> { |
| 32 | void runOnOperation() override { |
| 33 | MLIRContext *context = &getContext(); |
| 34 | Operation *op = getOperation(); |
| 35 | |
| 36 | auto targetAttr = spirv::lookupTargetEnvOrDefault(op); |
| 37 | std::unique_ptr<ConversionTarget> target = |
| 38 | SPIRVConversionTarget::get(targetAttr); |
| 39 | |
| 40 | SPIRVConversionOptions options; |
| 41 | options.emulateLT32BitScalarTypes = this->emulateLT32BitScalarTypes; |
| 42 | SPIRVTypeConverter typeConverter(targetAttr, options); |
| 43 | |
| 44 | RewritePatternSet patterns(context); |
| 45 | arith::populateArithToSPIRVPatterns(typeConverter, patterns); |
| 46 | populateFuncToSPIRVPatterns(typeConverter, patterns); |
| 47 | populateTensorToSPIRVPatterns(typeConverter, /*byteCountThreshold=*/64, |
| 48 | patterns); |
| 49 | populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns); |
| 50 | |
| 51 | if (failed(applyPartialConversion(op, *target, std::move(patterns)))) |
| 52 | return signalPassFailure(); |
| 53 | } |
| 54 | }; |
| 55 | } // namespace |
| 56 | |
| 57 | std::unique_ptr<OperationPass<>> mlir::createConvertTensorToSPIRVPass() { |
| 58 | return std::make_unique<ConvertTensorToSPIRVPass>(); |
| 59 | } |
| 60 |