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Andrew Scull5e1ddfa2018-08-14 10:06:54 +01001//===-- SlotMapping.h - Slot number mapping for unnamed values --*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the declaration of the SlotMapping struct.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_ASMPARSER_SLOTMAPPING_H
15#define LLVM_ASMPARSER_SLOTMAPPING_H
16
17#include "llvm/ADT/StringMap.h"
18#include "llvm/IR/TrackingMDRef.h"
19#include <map>
20#include <vector>
21
22namespace llvm {
23
24class GlobalValue;
25class Type;
26
27/// This struct contains the mappings from the slot numbers to unnamed metadata
28/// nodes, global values and types. It also contains the mapping for the named
29/// types.
30/// It can be used to save the parsing state of an LLVM IR module so that the
31/// textual references to the values in the module can be parsed outside of the
32/// module's source.
33struct SlotMapping {
34 std::vector<GlobalValue *> GlobalValues;
35 std::map<unsigned, TrackingMDNodeRef> MetadataNodes;
36 StringMap<Type *> NamedTypes;
37 std::map<unsigned, Type *> Types;
38};
39
40} // end namespace llvm
41
42#endif