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//===- Pattern.h - SPIRV Common Conversion Patterns -----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_CONVERSION_SPIRVCOMMON_PATTERN_H
#define MLIR_CONVERSION_SPIRVCOMMON_PATTERN_H
#include "mlir/Dialect/SPIRV/IR/SPIRVOpTraits.h"
#include "mlir/IR/TypeUtilities.h"
#include "mlir/Transforms/DialectConversion.h"
#include "llvm/Support/FormatVariadic.h"
namespace mlir {
namespace spirv {
/// Converts elementwise unary, binary and ternary standard operations to SPIR-V
/// operations.
template <typename Op, typename SPIRVOp>
struct ElementwiseOpPattern : public OpConversionPattern<Op> {
using OpConversionPattern<Op>::OpConversionPattern;
LogicalResult
matchAndRewrite(Op op, typename Op::Adaptor adaptor,
ConversionPatternRewriter &rewriter) const override {
assert(adaptor.getOperands().size() <= 3);
Type dstType = this->getTypeConverter()->convertType(op.getType());
if (!dstType) {
return rewriter.notifyMatchFailure(
op->getLoc(),
llvm::formatv("failed to convert type {0} for SPIR-V", op.getType()));
}
if (SPIRVOp::template hasTrait<OpTrait::spirv::UnsignedOp>() &&
!getElementTypeOrSelf(op.getType()).isIndex() &&
dstType != op.getType()) {
op.dump();
return op.emitError("bitwidth emulation is not implemented yet on "
"unsigned op pattern version");
}
rewriter.template replaceOpWithNewOp<SPIRVOp>(op, dstType,
adaptor.getOperands());
return success();
}
};
} // namespace spirv
} // namespace mlir
#endif // MLIR_CONVERSION_SPIRVCOMMON_PATTERN_H
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