1 //===-- 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 22 namespace llvm { 23 24 class GlobalValue; 25 class 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. 33 struct 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 43