1//===-- SlotMapping.h - Slot number mapping for unnamed values --*- C++ -*-===//
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// This file contains the declaration of the SlotMapping struct.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_ASMPARSER_SLOTMAPPING_H
14#define LLVM_ASMPARSER_SLOTMAPPING_H
15
16#include "llvm/ADT/StringMap.h"
17#include "llvm/IR/TrackingMDRef.h"
18#include <map>
19#include <vector>
20
21namespace llvm {
22
23class GlobalValue;
24class Type;
25
26/// This struct contains the mappings from the slot numbers to unnamed metadata
27/// nodes, global values and types. It also contains the mapping for the named
28/// types.
29/// It can be used to save the parsing state of an LLVM IR module so that the
30/// textual references to the values in the module can be parsed outside of the
31/// module's source.
32struct SlotMapping {
33  std::vector<GlobalValue *> GlobalValues;
34  std::map<unsigned, TrackingMDNodeRef> MetadataNodes;
35  StringMap<Type *> NamedTypes;
36  std::map<unsigned, Type *> Types;
37};
38
39} // end namespace llvm
40
41#endif
42