HWAttributes.h

Go to the documentation of this file.

//===- HWAttributes.h - Declare HW dialect attributes ------------*- C++-*-===//
//
// 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 CIRCT_DIALECT_HW_ATTRIBUTES_H
#define CIRCT_DIALECT_HW_ATTRIBUTES_H
 
#include "mlir/IR/Attributes.h"
#include "mlir/IR/BuiltinAttributeInterfaces.h"
#include "mlir/IR/BuiltinAttributes.h"
 
namespace circt {
namespace hw {
class PEOAttr;
class EnumType;
enum class PEO : uint32_t;
 
/// Returns a resolved version of 'type' wherein any parameter reference
/// has been evaluated based on the set of provided 'parameters'.
mlir::FailureOr<mlir::Type> evaluateParametricType(mlir::Location loc,
                                                   mlir::ArrayAttr parameters,
                                                   mlir::Type type,
                                                   bool emitErrors = true);
 
/// Evaluates a parametric attribute (param.decl.ref/param.expr) based on a set
/// of provided parameter values.
mlir::FailureOr<mlir::TypedAttr>
evaluateParametricAttr(mlir::Location loc, mlir::ArrayAttr parameters,
                       mlir::Attribute paramAttr, bool emitErrors = true);
 
/// Returns true if any part of t is parametric.
bool isParametricType(mlir::Type t);
 
} // namespace hw
} // namespace circt
 
#define GET_ATTRDEF_CLASSES
#include "circt/Dialect/HW/HWAttributes.h.inc"
 
#endif // CIRCT_DIALECT_HW_ATTRIBUTES_H