include/llvm/AsmParser/SlotMapping.h

   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
  21 namespace llvm {
  22
  23 class GlobalValue;
  24 class 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.
  32 struct 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