SPIRVLowering.h

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//===- SPIRVLowering.h - SPIR-V lowering utilities  -------------*- C++ -*-===//
//
// Part of the MLIR 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
//
//===----------------------------------------------------------------------===//
//
// Defines utilities to use while targeting SPIR-V dialect.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_DIALECT_SPIRV_SPIRVLOWERING_H
#define MLIR_DIALECT_SPIRV_SPIRVLOWERING_H

#include "mlir/Dialect/SPIRV/TargetAndABI.h"
#include "mlir/Transforms/DialectConversion.h"

namespace mlir {

class SPIRVTypeConverter final : public TypeConverter {
public:
  using TypeConverter::TypeConverter;

  Type convertType(Type type) override;

  static Type getIndexType(MLIRContext *context);
};

template <typename SourceOp>
class SPIRVOpLowering : public OpConversionPattern<SourceOp> {
public:
  SPIRVOpLowering(MLIRContext *context, SPIRVTypeConverter &typeConverter,
                  PatternBenefit benefit = 1)
      : OpConversionPattern<SourceOp>(context, benefit),
        typeConverter(typeConverter) {}

protected:
  SPIRVTypeConverter &typeConverter;
};

namespace spirv {
enum class BuiltIn : uint32_t;

Value getBuiltinVariableValue(Operation *op, BuiltIn builtin,
                              OpBuilder &builder);

LogicalResult setABIAttrs(FuncOp funcOp, EntryPointABIAttr entryPointInfo,
                          ArrayRef<InterfaceVarABIAttr> argABIInfo);
} // namespace spirv
} // namespace mlir

#endif // MLIR_DIALECT_SPIRV_SPIRVLOWERING_H