| 1 | //===- TensorToSPIRVPass.cpp - Tensor to SPIR-V Passes ----------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file implements a pass to convert Tensor dialect to SPIR-V dialect. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "mlir/Conversion/TensorToSPIRV/TensorToSPIRVPass.h" |
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| 14 | |
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| 15 | #include "mlir/Conversion/ArithToSPIRV/ArithToSPIRV.h" |
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| 16 | #include "mlir/Conversion/FuncToSPIRV/FuncToSPIRV.h" |
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| 17 | #include "mlir/Conversion/TensorToSPIRV/TensorToSPIRV.h" |
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| 18 | #include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h" |
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| 19 | #include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h" |
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| 20 | |
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| 21 | namespace mlir { |
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| 22 | #define GEN_PASS_DEF_CONVERTTENSORTOSPIRVPASS |
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| 23 | #include "mlir/Conversion/Passes.h.inc" |
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| 24 | } // namespace mlir |
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| 25 | |
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| 26 | using namespace mlir; |
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| 27 | |
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| 28 | namespace { |
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| 29 | /// A pass converting MLIR Tensor operations into the SPIR-V dialect. |
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| 30 | class ConvertTensorToSPIRVPass |
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| 31 | : public impl::ConvertTensorToSPIRVPassBase<ConvertTensorToSPIRVPass> { |
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| 32 | using Base::Base; |
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| 33 | |
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| 34 | void runOnOperation() override { |
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| 35 | MLIRContext *context = &getContext(); |
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| 36 | Operation *op = getOperation(); |
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| 37 | |
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| 38 | auto targetAttr = spirv::lookupTargetEnvOrDefault(op); |
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| 39 | std::unique_ptr<ConversionTarget> target = |
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| 40 | SPIRVConversionTarget::get(targetAttr); |
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| 41 | |
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| 42 | SPIRVConversionOptions options; |
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| 43 | options.emulateLT32BitScalarTypes = this->emulateLT32BitScalarTypes; |
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| 44 | SPIRVTypeConverter typeConverter(targetAttr, options); |
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| 45 | |
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| 46 | RewritePatternSet patterns(context); |
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| 47 | arith::populateArithToSPIRVPatterns(typeConverter, patterns); |
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| 48 | populateFuncToSPIRVPatterns(typeConverter, patterns); |
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| 49 | populateTensorToSPIRVPatterns(typeConverter, /*byteCountThreshold=*/64, |
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| 50 | patterns); |
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| 51 | populateBuiltinFuncToSPIRVPatterns(typeConverter, patterns); |
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| 52 | |
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| 53 | if (failed(applyPartialConversion(op, *target, std::move(patterns)))) |
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| 54 | return signalPassFailure(); |
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| 55 | } |
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| 56 | }; |
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| 57 | } // namespace |
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| 58 | |
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