| 1 | //===- LegalizeForLLVMExport.cpp - Prepare AMX for LLVM translation ----===// |
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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 | #include "mlir/Dialect/AMX/Transforms.h" |
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| 10 | |
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| 11 | #include "mlir/Conversion/ConvertToLLVM/ToLLVMInterface.h" |
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| 12 | #include "mlir/Conversion/LLVMCommon/ConversionTarget.h" |
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| 13 | #include "mlir/Conversion/LLVMCommon/Pattern.h" |
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| 14 | #include "mlir/Dialect/AMX/AMXDialect.h" |
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| 15 | #include "mlir/Dialect/LLVMIR/LLVMDialect.h" |
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| 16 | #include "mlir/IR/BuiltinOps.h" |
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| 17 | #include "mlir/IR/PatternMatch.h" |
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| 18 | |
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| 19 | using namespace mlir; |
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| 20 | using namespace mlir::amx; |
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| 21 | |
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| 22 | namespace { |
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| 23 | |
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| 24 | /// Generic one-to-one conversion of simply mappable operations into calls |
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| 25 | /// to their respective LLVM intrinsics. |
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| 26 | struct AMXIntrinsicOpConversion |
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| 27 | : public OpInterfaceConversionPattern<amx::AMXIntrinsicOp> { |
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| 28 | using OpInterfaceConversionPattern< |
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| 29 | amx::AMXIntrinsicOp>::OpInterfaceConversionPattern; |
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| 30 | |
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| 31 | AMXIntrinsicOpConversion(const LLVMTypeConverter &typeConverter, |
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| 32 | PatternBenefit benefit = 1) |
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| 33 | : OpInterfaceConversionPattern(typeConverter, &typeConverter.getContext(), |
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| 34 | benefit), |
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| 35 | typeConverter(typeConverter) {} |
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| 36 | |
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| 37 | LogicalResult |
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| 38 | matchAndRewrite(amx::AMXIntrinsicOp op, ArrayRef<Value> operands, |
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| 39 | ConversionPatternRewriter &rewriter) const override { |
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| 40 | return LLVM::detail::intrinsicRewrite( |
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| 41 | op: op, intrinsic: rewriter.getStringAttr(bytes: op.getIntrinsicName()), |
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| 42 | operands: op.getIntrinsicOperands(operands, typeConverter, rewriter), |
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| 43 | typeConverter, rewriter); |
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| 44 | } |
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| 45 | |
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| 46 | private: |
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| 47 | const LLVMTypeConverter &typeConverter; |
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| 48 | }; |
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| 49 | |
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| 50 | } // namespace |
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| 51 | |
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| 52 | void mlir::populateAMXLegalizeForLLVMExportPatterns( |
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| 53 | LLVMTypeConverter &converter, RewritePatternSet &patterns) { |
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| 54 | patterns.add<AMXIntrinsicOpConversion>(arg&: converter); |
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| 55 | converter.addConversion(callback: [&](amx::TileType type) { |
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| 56 | return LLVM::LLVMX86AMXType::get(&converter.getContext()); |
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| 57 | }); |
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| 58 | } |
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| 59 | |
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| 60 | void mlir::configureAMXLegalizeForExportTarget(LLVMConversionTarget &target) { |
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| 61 | target.addIllegalDialect<AMXDialect>(); |
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| 62 | } |
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| 63 | |
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