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 42