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/AsmParser/NumberedValues.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 NumberedValues<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