| 1 | //===- Pattern.h - SPIRV Common Conversion Patterns -----------------------===// |
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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 | #ifndef MLIR_CONVERSION_SPIRVCOMMON_PATTERN_H |
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| 10 | #define MLIR_CONVERSION_SPIRVCOMMON_PATTERN_H |
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| 11 | |
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| 12 | #include "mlir/Dialect/SPIRV/IR/SPIRVOpTraits.h" |
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| 13 | #include "mlir/IR/TypeUtilities.h" |
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| 14 | #include "mlir/Transforms/DialectConversion.h" |
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| 15 | #include "llvm/Support/FormatVariadic.h" |
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| 16 | |
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| 17 | namespace mlir { |
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| 18 | namespace spirv { |
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| 19 | |
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| 20 | /// Converts elementwise unary, binary and ternary standard operations to SPIR-V |
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| 21 | /// operations. |
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| 22 | template <typename Op, typename SPIRVOp> |
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| 23 | struct ElementwiseOpPattern : public OpConversionPattern<Op> { |
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| 24 | using OpConversionPattern<Op>::OpConversionPattern; |
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| 25 | |
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| 26 | LogicalResult |
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| 27 | matchAndRewrite(Op op, typename Op::Adaptor adaptor, |
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| 28 | ConversionPatternRewriter &rewriter) const override { |
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| 29 | assert(adaptor.getOperands().size() <= 3); |
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| 30 | Type dstType = this->getTypeConverter()->convertType(op.getType()); |
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| 31 | if (!dstType) { |
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| 32 | return rewriter.notifyMatchFailure( |
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| 33 | op->getLoc(), |
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| 34 | llvm::formatv("failed to convert type {0} for SPIR-V" , op.getType())); |
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| 35 | } |
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| 36 | |
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| 37 | if (SPIRVOp::template hasTrait<OpTrait::spirv::UnsignedOp>() && |
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| 38 | !getElementTypeOrSelf(op.getType()).isIndex() && |
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| 39 | dstType != op.getType()) { |
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| 40 | op.dump(); |
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| 41 | return op.emitError("bitwidth emulation is not implemented yet on " |
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| 42 | "unsigned op pattern version" ); |
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| 43 | } |
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| 44 | rewriter.template replaceOpWithNewOp<SPIRVOp>(op, dstType, |
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| 45 | adaptor.getOperands()); |
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| 46 | return success(); |
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| 47 | } |
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| 48 | }; |
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| 49 | |
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| 50 | } // namespace spirv |
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| 51 | } // namespace mlir |
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| 52 | |
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| 53 | #endif // MLIR_CONVERSION_SPIRVCOMMON_PATTERN_H |
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| 54 | |
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