| 1 | //===- VectorToSPIRVPass.cpp - Vector 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 Vector dialect to SPIRV dialect. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "mlir/Conversion/VectorToSPIRV/VectorToSPIRVPass.h" |
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| 14 | |
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| 15 | #include "mlir/Conversion/UBToSPIRV/UBToSPIRV.h" |
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| 16 | #include "mlir/Conversion/VectorToSPIRV/VectorToSPIRV.h" |
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| 17 | #include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h" |
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| 18 | #include "mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h" |
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| 19 | #include "mlir/Dialect/UB/IR/UBOps.h" |
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| 20 | #include "mlir/Pass/Pass.h" |
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| 21 | #include "mlir/Transforms/DialectConversion.h" |
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| 22 | |
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| 23 | namespace mlir { |
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| 24 | #define GEN_PASS_DEF_CONVERTVECTORTOSPIRVPASS |
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| 25 | #include "mlir/Conversion/Passes.h.inc" |
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| 26 | } // namespace mlir |
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| 27 | |
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| 28 | using namespace mlir; |
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| 29 | |
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| 30 | namespace { |
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| 31 | struct ConvertVectorToSPIRVPass |
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| 32 | : public impl::ConvertVectorToSPIRVPassBase<ConvertVectorToSPIRVPass> { |
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| 33 | void runOnOperation() override; |
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| 34 | }; |
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| 35 | } // namespace |
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| 36 | |
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| 37 | void ConvertVectorToSPIRVPass::runOnOperation() { |
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| 38 | MLIRContext *context = &getContext(); |
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| 39 | Operation *op = getOperation(); |
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| 40 | |
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| 41 | auto targetAttr = spirv::lookupTargetEnvOrDefault(op); |
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| 42 | std::unique_ptr<ConversionTarget> target = |
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| 43 | SPIRVConversionTarget::get(targetAttr: targetAttr); |
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| 44 | |
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| 45 | SPIRVTypeConverter typeConverter(targetAttr); |
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| 46 | |
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| 47 | // Use UnrealizedConversionCast as the bridge so that we don't need to pull in |
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| 48 | // patterns for other dialects. |
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| 49 | target->addLegalOp<UnrealizedConversionCastOp>(); |
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| 50 | |
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| 51 | RewritePatternSet patterns(context); |
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| 52 | populateVectorToSPIRVPatterns(typeConverter, patterns); |
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| 53 | // Used for folds, e.g. vector.extract[-1] -> ub.poison -> spirv.Undef. |
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| 54 | ub::populateUBToSPIRVConversionPatterns(converter: typeConverter, patterns); |
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| 55 | |
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| 56 | if (failed(applyPartialConversion(op, *target, std::move(patterns)))) |
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| 57 | return signalPassFailure(); |
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| 58 | } |
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| 59 | |
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