Predicate.cpp

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//===- Predicate.cpp - Pattern predicates ---------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
 
#include "Predicate.h"
 
using namespace mlir;
using namespace mlir::pdl_to_pdl_interp;
 
//===----------------------------------------------------------------------===//
// Positions
//===----------------------------------------------------------------------===//
 
Position::~Position() = default;
 
/// Returns the depth of the first ancestor operation position.
unsigned Position::getOperationDepth() const {
  if (const auto *operationPos = dyn_cast<OperationPosition>(this))
    return operationPos->getDepth();
  return parent ? parent->getOperationDepth() : 0;
}
 
//===----------------------------------------------------------------------===//
// AttributePosition
//===----------------------------------------------------------------------===//
 
AttributePosition::AttributePosition(const KeyTy &key) : Base(key) {
  parent = key.first;
}
 
//===----------------------------------------------------------------------===//
// OperandPosition
//===----------------------------------------------------------------------===//
 
OperandPosition::OperandPosition(const KeyTy &key) : Base(key) {
  parent = key.first;
}
 
//===----------------------------------------------------------------------===//
// OperandGroupPosition
//===----------------------------------------------------------------------===//
 
OperandGroupPosition::OperandGroupPosition(const KeyTy &key) : Base(key) {
  parent = std::get<0>(key);
}
 
//===----------------------------------------------------------------------===//
// OperationPosition
//===----------------------------------------------------------------------===//
 
bool OperationPosition::isOperandDefiningOp() const {
  return isa_and_nonnull<OperandPosition, OperandGroupPosition>(parent);
}