MLIR  15.0.0git
Predicate.cpp
Go to the documentation of this file.
1 //===- Predicate.cpp - Pattern predicates ---------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "Predicate.h"
10 
11 using namespace mlir;
12 using namespace mlir::pdl_to_pdl_interp;
13 
14 //===----------------------------------------------------------------------===//
15 // Positions
16 //===----------------------------------------------------------------------===//
17 
18 Position::~Position() = default;
19 
20 /// Returns the depth of the first ancestor operation position.
21 unsigned Position::getOperationDepth() const {
22  if (const auto *operationPos = dyn_cast<OperationPosition>(this))
23  return operationPos->getDepth();
24  return parent ? parent->getOperationDepth() : 0;
25 }
26 
27 //===----------------------------------------------------------------------===//
28 // AttributePosition
29 
30 AttributePosition::AttributePosition(const KeyTy &key) : Base(key) {
31  parent = key.first;
32 }
33 
34 //===----------------------------------------------------------------------===//
35 // OperandPosition
36 
38  parent = key.first;
39 }
40 
41 //===----------------------------------------------------------------------===//
42 // OperandGroupPosition
43 
45  parent = std::get<0>(key);
46 }
47 
48 //===----------------------------------------------------------------------===//
49 // OperationPosition
50 
52  return isa_and_nonnull<OperandPosition, OperandGroupPosition>(parent);
53 }
Include the generated interface declarations.
unsigned getOperationDepth() const
Returns the depth of the first ancestor operation position.
Definition: Predicate.cpp:21
bool isOperandDefiningOp() const
Returns if this operation represents an operand defining op.
Definition: Predicate.cpp:51
Base class for all predicates, used to allow efficient pointer comparison.
Definition: Predicate.h:83
Position * parent
Link to the parent position.
Definition: Predicate.h:159