SynthOps.h

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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file defines the operations of the Synth dialect.
//
//===----------------------------------------------------------------------===//
 
#ifndef CIRCT_DIALECT_SYNTH_SYNTHOPS_H
#define CIRCT_DIALECT_SYNTH_SYNTHOPS_H
 
#include "circt/Dialect/Synth/SynthDialect.h"
#include "circt/Support/LLVM.h"
#include "mlir/IR/Attributes.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/IR/Dialect.h"
#include "mlir/IR/Operation.h"
#include "mlir/Interfaces/InferTypeOpInterface.h"
#include "mlir/Interfaces/SideEffectInterfaces.h"
#include "mlir/Rewrite/PatternApplicator.h"
 
#define GET_OP_CLASSES
#include "circt/Dialect/Synth/Synth.h.inc"
 
namespace circt {
namespace synth {
struct AndInverterVariadicOpConversion
    : mlir::OpRewritePattern<aig::AndInverterOp> {
  using OpRewritePattern<aig::AndInverterOp>::OpRewritePattern;
  mlir::LogicalResult
  matchAndRewrite(aig::AndInverterOp op,
                  mlir::PatternRewriter &rewriter) const override;
};
 
/// This function performs a topological sort on the operations within each
/// block of graph regions in the given operation. It uses MLIR's topological
/// sort utility as a wrapper, ensuring that operations are ordered such that
/// all operands are defined before their uses. The `isOperandReady` callback
/// allows customization of when an operand is considered ready for sorting.
LogicalResult topologicallySortGraphRegionBlocks(
    mlir::Operation *op,
    llvm::function_ref<bool(mlir::Value, mlir::Operation *)> isOperandReady);
 
} // namespace synth
} // namespace circt
 
#endif // CIRCT_DIALECT_SYNTH_SYNTHOPS_H