Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.

1 files changed, 474 insertions, 474 deletions

diff --git a/contrib/libs/llvm12/lib/CodeGen/AsmPrinter/CodeViewDebug.h b/contrib/libs/llvm12/lib/CodeGen/AsmPrinter/CodeViewDebug.h
index 9eee5492bc..173b6a0cf0 100644
--- a/contrib/libs/llvm12/lib/CodeGen/AsmPrinter/CodeViewDebug.h
+++ b/contrib/libs/llvm12/lib/CodeGen/AsmPrinter/CodeViewDebug.h
@@ -1,481 +1,481 @@
-//===- llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h --------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for writing Microsoft CodeView debug info.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_CODEVIEWDEBUG_H
-#define LLVM_LIB_CODEGEN_ASMPRINTER_CODEVIEWDEBUG_H
-
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/MapVector.h"
-#include "llvm/ADT/PointerUnion.h"
-#include "llvm/ADT/SetVector.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/CodeGen/DbgEntityHistoryCalculator.h"
-#include "llvm/CodeGen/DebugHandlerBase.h"
-#include "llvm/DebugInfo/CodeView/CodeView.h"
-#include "llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h"
-#include "llvm/DebugInfo/CodeView/TypeIndex.h"
-#include "llvm/IR/DebugLoc.h"
-#include "llvm/Support/Allocator.h"
-#include "llvm/Support/Compiler.h"
-#include <cstdint>
-#include <map>
-#include <string>
-#include <tuple>
-#include <unordered_map>
-#include <utility>
-#include <vector>
-
-namespace llvm {
-
-struct ClassInfo;
-class StringRef;
-class AsmPrinter;
-class Function;
-class GlobalVariable;
-class MCSectionCOFF;
-class MCStreamer;
-class MCSymbol;
-class MachineFunction;
-
-/// Collects and handles line tables information in a CodeView format.
-class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
-  MCStreamer &OS;
-  BumpPtrAllocator Allocator;
-  codeview::GlobalTypeTableBuilder TypeTable;
-
-  /// Whether to emit type record hashes into .debug$H.
-  bool EmitDebugGlobalHashes = false;
-
-  /// The codeview CPU type used by the translation unit.
-  codeview::CPUType TheCPU;
-
-  /// Represents the most general definition range.
-  struct LocalVarDefRange {
-    /// Indicates that variable data is stored in memory relative to the
-    /// specified register.
-    int InMemory : 1;
-
-    /// Offset of variable data in memory.
-    int DataOffset : 31;
-
-    /// Non-zero if this is a piece of an aggregate.
-    uint16_t IsSubfield : 1;
-
-    /// Offset into aggregate.
-    uint16_t StructOffset : 15;
-
-    /// Register containing the data or the register base of the memory
-    /// location containing the data.
-    uint16_t CVRegister;
-
-    /// Compares all location fields. This includes all fields except the label
-    /// ranges.
-    bool isDifferentLocation(LocalVarDefRange &O) {
-      return InMemory != O.InMemory || DataOffset != O.DataOffset ||
-             IsSubfield != O.IsSubfield || StructOffset != O.StructOffset ||
-             CVRegister != O.CVRegister;
-    }
-
-    SmallVector<std::pair<const MCSymbol *, const MCSymbol *>, 1> Ranges;
-  };
-
-  static LocalVarDefRange createDefRangeMem(uint16_t CVRegister, int Offset);
-
-  /// Similar to DbgVariable in DwarfDebug, but not dwarf-specific.
-  struct LocalVariable {
-    const DILocalVariable *DIVar = nullptr;
-    SmallVector<LocalVarDefRange, 1> DefRanges;
-    bool UseReferenceType = false;
-  };
-
-  struct CVGlobalVariable {
-    const DIGlobalVariable *DIGV;
-    PointerUnion<const GlobalVariable *, const DIExpression *> GVInfo;
-  };
-
-  struct InlineSite {
-    SmallVector<LocalVariable, 1> InlinedLocals;
-    SmallVector<const DILocation *, 1> ChildSites;
-    const DISubprogram *Inlinee = nullptr;
-
-    /// The ID of the inline site or function used with .cv_loc. Not a type
-    /// index.
-    unsigned SiteFuncId = 0;
-  };
-
-  // Combines information from DILexicalBlock and LexicalScope.
-  struct LexicalBlock {
-    SmallVector<LocalVariable, 1> Locals;
-    SmallVector<CVGlobalVariable, 1> Globals;
-    SmallVector<LexicalBlock *, 1> Children;
-    const MCSymbol *Begin;
-    const MCSymbol *End;
-    StringRef Name;
-  };
-
-  // For each function, store a vector of labels to its instructions, as well as
-  // to the end of the function.
-  struct FunctionInfo {
-    FunctionInfo() = default;
-
-    // Uncopyable.
-    FunctionInfo(const FunctionInfo &FI) = delete;
-
-    /// Map from inlined call site to inlined instructions and child inlined
-    /// call sites. Listed in program order.
-    std::unordered_map<const DILocation *, InlineSite> InlineSites;
-
-    /// Ordered list of top-level inlined call sites.
-    SmallVector<const DILocation *, 1> ChildSites;
-
-    SmallVector<LocalVariable, 1> Locals;
-    SmallVector<CVGlobalVariable, 1> Globals;
-
-    std::unordered_map<const DILexicalBlockBase*, LexicalBlock> LexicalBlocks;
-
-    // Lexical blocks containing local variables.
-    SmallVector<LexicalBlock *, 1> ChildBlocks;
-
-    std::vector<std::pair<MCSymbol *, MDNode *>> Annotations;
-    std::vector<std::tuple<const MCSymbol *, const MCSymbol *, const DIType *>>
-        HeapAllocSites;
-
-    const MCSymbol *Begin = nullptr;
-    const MCSymbol *End = nullptr;
-    unsigned FuncId = 0;
-    unsigned LastFileId = 0;
-
-    /// Number of bytes allocated in the prologue for all local stack objects.
-    unsigned FrameSize = 0;
-
-    /// Number of bytes of parameters on the stack.
-    unsigned ParamSize = 0;
-
-    /// Number of bytes pushed to save CSRs.
-    unsigned CSRSize = 0;
-
-    /// Adjustment to apply on x86 when using the VFRAME frame pointer.
-    int OffsetAdjustment = 0;
-
-    /// Two-bit value indicating which register is the designated frame pointer
-    /// register for local variables. Included in S_FRAMEPROC.
-    codeview::EncodedFramePtrReg EncodedLocalFramePtrReg =
-        codeview::EncodedFramePtrReg::None;
-
-    /// Two-bit value indicating which register is the designated frame pointer
-    /// register for stack parameters. Included in S_FRAMEPROC.
-    codeview::EncodedFramePtrReg EncodedParamFramePtrReg =
-        codeview::EncodedFramePtrReg::None;
-
-    codeview::FrameProcedureOptions FrameProcOpts;
-
-    bool HasStackRealignment = false;
-
-    bool HaveLineInfo = false;
-  };
-  FunctionInfo *CurFn = nullptr;
-
-  // Map used to seperate variables according to the lexical scope they belong
-  // in.  This is populated by recordLocalVariable() before
-  // collectLexicalBlocks() separates the variables between the FunctionInfo
-  // and LexicalBlocks.
-  DenseMap<const LexicalScope *, SmallVector<LocalVariable, 1>> ScopeVariables;
-
-  // Map to separate global variables according to the lexical scope they
-  // belong in. A null local scope represents the global scope.
-  typedef SmallVector<CVGlobalVariable, 1> GlobalVariableList;
-  DenseMap<const DIScope*, std::unique_ptr<GlobalVariableList> > ScopeGlobals;
-
-  // Array of global variables which  need to be emitted into a COMDAT section.
-  SmallVector<CVGlobalVariable, 1> ComdatVariables;
-
-  // Array of non-COMDAT global variables.
-  SmallVector<CVGlobalVariable, 1> GlobalVariables;
-
+//===- llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h --------------*- C++ -*-===// 
+// 
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
+// See https://llvm.org/LICENSE.txt for license information. 
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
+// 
+//===----------------------------------------------------------------------===// 
+// 
+// This file contains support for writing Microsoft CodeView debug info. 
+// 
+//===----------------------------------------------------------------------===// 
+ 
+#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_CODEVIEWDEBUG_H 
+#define LLVM_LIB_CODEGEN_ASMPRINTER_CODEVIEWDEBUG_H 
+ 
+#include "llvm/ADT/ArrayRef.h" 
+#include "llvm/ADT/DenseMap.h" 
+#include "llvm/ADT/DenseSet.h" 
+#include "llvm/ADT/MapVector.h" 
+#include "llvm/ADT/PointerUnion.h" 
+#include "llvm/ADT/SetVector.h" 
+#include "llvm/ADT/SmallVector.h" 
+#include "llvm/CodeGen/DbgEntityHistoryCalculator.h" 
+#include "llvm/CodeGen/DebugHandlerBase.h" 
+#include "llvm/DebugInfo/CodeView/CodeView.h" 
+#include "llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h" 
+#include "llvm/DebugInfo/CodeView/TypeIndex.h" 
+#include "llvm/IR/DebugLoc.h" 
+#include "llvm/Support/Allocator.h" 
+#include "llvm/Support/Compiler.h" 
+#include <cstdint> 
+#include <map> 
+#include <string> 
+#include <tuple> 
+#include <unordered_map> 
+#include <utility> 
+#include <vector> 
+ 
+namespace llvm { 
+ 
+struct ClassInfo; 
+class StringRef; 
+class AsmPrinter; 
+class Function; 
+class GlobalVariable; 
+class MCSectionCOFF; 
+class MCStreamer; 
+class MCSymbol; 
+class MachineFunction; 
+ 
+/// Collects and handles line tables information in a CodeView format. 
+class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase { 
+  MCStreamer &OS; 
+  BumpPtrAllocator Allocator; 
+  codeview::GlobalTypeTableBuilder TypeTable; 
+ 
+  /// Whether to emit type record hashes into .debug$H. 
+  bool EmitDebugGlobalHashes = false; 
+ 
+  /// The codeview CPU type used by the translation unit. 
+  codeview::CPUType TheCPU; 
+ 
+  /// Represents the most general definition range. 
+  struct LocalVarDefRange { 
+    /// Indicates that variable data is stored in memory relative to the 
+    /// specified register. 
+    int InMemory : 1; 
+ 
+    /// Offset of variable data in memory. 
+    int DataOffset : 31; 
+ 
+    /// Non-zero if this is a piece of an aggregate. 
+    uint16_t IsSubfield : 1; 
+ 
+    /// Offset into aggregate. 
+    uint16_t StructOffset : 15; 
+ 
+    /// Register containing the data or the register base of the memory 
+    /// location containing the data. 
+    uint16_t CVRegister; 
+ 
+    /// Compares all location fields. This includes all fields except the label 
+    /// ranges. 
+    bool isDifferentLocation(LocalVarDefRange &O) { 
+      return InMemory != O.InMemory || DataOffset != O.DataOffset || 
+             IsSubfield != O.IsSubfield || StructOffset != O.StructOffset || 
+             CVRegister != O.CVRegister; 
+    } 
+ 
+    SmallVector<std::pair<const MCSymbol *, const MCSymbol *>, 1> Ranges; 
+  }; 
+ 
+  static LocalVarDefRange createDefRangeMem(uint16_t CVRegister, int Offset); 
+ 
+  /// Similar to DbgVariable in DwarfDebug, but not dwarf-specific. 
+  struct LocalVariable { 
+    const DILocalVariable *DIVar = nullptr; 
+    SmallVector<LocalVarDefRange, 1> DefRanges; 
+    bool UseReferenceType = false; 
+  }; 
+ 
+  struct CVGlobalVariable { 
+    const DIGlobalVariable *DIGV; 
+    PointerUnion<const GlobalVariable *, const DIExpression *> GVInfo; 
+  }; 
+ 
+  struct InlineSite { 
+    SmallVector<LocalVariable, 1> InlinedLocals; 
+    SmallVector<const DILocation *, 1> ChildSites; 
+    const DISubprogram *Inlinee = nullptr; 
+ 
+    /// The ID of the inline site or function used with .cv_loc. Not a type 
+    /// index. 
+    unsigned SiteFuncId = 0; 
+  }; 
+ 
+  // Combines information from DILexicalBlock and LexicalScope. 
+  struct LexicalBlock { 
+    SmallVector<LocalVariable, 1> Locals; 
+    SmallVector<CVGlobalVariable, 1> Globals; 
+    SmallVector<LexicalBlock *, 1> Children; 
+    const MCSymbol *Begin; 
+    const MCSymbol *End; 
+    StringRef Name; 
+  }; 
+ 
+  // For each function, store a vector of labels to its instructions, as well as 
+  // to the end of the function. 
+  struct FunctionInfo { 
+    FunctionInfo() = default; 
+ 
+    // Uncopyable. 
+    FunctionInfo(const FunctionInfo &FI) = delete; 
+ 
+    /// Map from inlined call site to inlined instructions and child inlined 
+    /// call sites. Listed in program order. 
+    std::unordered_map<const DILocation *, InlineSite> InlineSites; 
+ 
+    /// Ordered list of top-level inlined call sites. 
+    SmallVector<const DILocation *, 1> ChildSites; 
+ 
+    SmallVector<LocalVariable, 1> Locals; 
+    SmallVector<CVGlobalVariable, 1> Globals; 
+ 
+    std::unordered_map<const DILexicalBlockBase*, LexicalBlock> LexicalBlocks; 
+ 
+    // Lexical blocks containing local variables. 
+    SmallVector<LexicalBlock *, 1> ChildBlocks; 
+ 
+    std::vector<std::pair<MCSymbol *, MDNode *>> Annotations; 
+    std::vector<std::tuple<const MCSymbol *, const MCSymbol *, const DIType *>> 
+        HeapAllocSites; 
+ 
+    const MCSymbol *Begin = nullptr; 
+    const MCSymbol *End = nullptr; 
+    unsigned FuncId = 0; 
+    unsigned LastFileId = 0; 
+ 
+    /// Number of bytes allocated in the prologue for all local stack objects. 
+    unsigned FrameSize = 0; 
+ 
+    /// Number of bytes of parameters on the stack. 
+    unsigned ParamSize = 0; 
+ 
+    /// Number of bytes pushed to save CSRs. 
+    unsigned CSRSize = 0; 
+ 
+    /// Adjustment to apply on x86 when using the VFRAME frame pointer. 
+    int OffsetAdjustment = 0; 
+ 
+    /// Two-bit value indicating which register is the designated frame pointer 
+    /// register for local variables. Included in S_FRAMEPROC. 
+    codeview::EncodedFramePtrReg EncodedLocalFramePtrReg = 
+        codeview::EncodedFramePtrReg::None; 
+ 
+    /// Two-bit value indicating which register is the designated frame pointer 
+    /// register for stack parameters. Included in S_FRAMEPROC. 
+    codeview::EncodedFramePtrReg EncodedParamFramePtrReg = 
+        codeview::EncodedFramePtrReg::None; 
+ 
+    codeview::FrameProcedureOptions FrameProcOpts; 
+ 
+    bool HasStackRealignment = false; 
+ 
+    bool HaveLineInfo = false; 
+  }; 
+  FunctionInfo *CurFn = nullptr; 
+ 
+  // Map used to seperate variables according to the lexical scope they belong 
+  // in.  This is populated by recordLocalVariable() before 
+  // collectLexicalBlocks() separates the variables between the FunctionInfo 
+  // and LexicalBlocks. 
+  DenseMap<const LexicalScope *, SmallVector<LocalVariable, 1>> ScopeVariables; 
+ 
+  // Map to separate global variables according to the lexical scope they 
+  // belong in. A null local scope represents the global scope. 
+  typedef SmallVector<CVGlobalVariable, 1> GlobalVariableList; 
+  DenseMap<const DIScope*, std::unique_ptr<GlobalVariableList> > ScopeGlobals; 
+ 
+  // Array of global variables which  need to be emitted into a COMDAT section. 
+  SmallVector<CVGlobalVariable, 1> ComdatVariables; 
+ 
+  // Array of non-COMDAT global variables. 
+  SmallVector<CVGlobalVariable, 1> GlobalVariables; 
+ 
   /// List of static const data members to be emitted as S_CONSTANTs.
   SmallVector<const DIDerivedType *, 4> StaticConstMembers;
 
-  /// The set of comdat .debug$S sections that we've seen so far. Each section
-  /// must start with a magic version number that must only be emitted once.
-  /// This set tracks which sections we've already opened.
-  DenseSet<MCSectionCOFF *> ComdatDebugSections;
-
-  /// Switch to the appropriate .debug$S section for GVSym. If GVSym, the symbol
-  /// of an emitted global value, is in a comdat COFF section, this will switch
-  /// to a new .debug$S section in that comdat. This method ensures that the
-  /// section starts with the magic version number on first use. If GVSym is
-  /// null, uses the main .debug$S section.
-  void switchToDebugSectionForSymbol(const MCSymbol *GVSym);
-
-  /// The next available function index for use with our .cv_* directives. Not
-  /// to be confused with type indices for LF_FUNC_ID records.
-  unsigned NextFuncId = 0;
-
-  InlineSite &getInlineSite(const DILocation *InlinedAt,
-                            const DISubprogram *Inlinee);
-
-  codeview::TypeIndex getFuncIdForSubprogram(const DISubprogram *SP);
-
-  void calculateRanges(LocalVariable &Var,
-                       const DbgValueHistoryMap::Entries &Entries);
-
-  /// Remember some debug info about each function. Keep it in a stable order to
-  /// emit at the end of the TU.
-  MapVector<const Function *, std::unique_ptr<FunctionInfo>> FnDebugInfo;
-
-  /// Map from full file path to .cv_file id. Full paths are built from DIFiles
-  /// and are stored in FileToFilepathMap;
-  DenseMap<StringRef, unsigned> FileIdMap;
-
-  /// All inlined subprograms in the order they should be emitted.
-  SmallSetVector<const DISubprogram *, 4> InlinedSubprograms;
-
-  /// Map from a pair of DI metadata nodes and its DI type (or scope) that can
-  /// be nullptr, to CodeView type indices. Primarily indexed by
-  /// {DIType*, DIType*} and {DISubprogram*, DIType*}.
-  ///
-  /// The second entry in the key is needed for methods as DISubroutineType
-  /// representing static method type are shared with non-method function type.
-  DenseMap<std::pair<const DINode *, const DIType *>, codeview::TypeIndex>
-      TypeIndices;
-
-  /// Map from DICompositeType* to complete type index. Non-record types are
-  /// always looked up in the normal TypeIndices map.
-  DenseMap<const DICompositeType *, codeview::TypeIndex> CompleteTypeIndices;
-
-  /// Complete record types to emit after all active type lowerings are
-  /// finished.
-  SmallVector<const DICompositeType *, 4> DeferredCompleteTypes;
-
-  /// Number of type lowering frames active on the stack.
-  unsigned TypeEmissionLevel = 0;
-
-  codeview::TypeIndex VBPType;
-
-  const DISubprogram *CurrentSubprogram = nullptr;
-
-  // The UDTs we have seen while processing types; each entry is a pair of type
-  // index and type name.
-  std::vector<std::pair<std::string, const DIType *>> LocalUDTs;
-  std::vector<std::pair<std::string, const DIType *>> GlobalUDTs;
-
-  using FileToFilepathMapTy = std::map<const DIFile *, std::string>;
-  FileToFilepathMapTy FileToFilepathMap;
-
-  StringRef getFullFilepath(const DIFile *File);
-
-  unsigned maybeRecordFile(const DIFile *F);
-
-  void maybeRecordLocation(const DebugLoc &DL, const MachineFunction *MF);
-
-  void clear();
-
-  void setCurrentSubprogram(const DISubprogram *SP) {
-    CurrentSubprogram = SP;
-    LocalUDTs.clear();
-  }
-
-  /// Emit the magic version number at the start of a CodeView type or symbol
-  /// section. Appears at the front of every .debug$S or .debug$T or .debug$P
-  /// section.
-  void emitCodeViewMagicVersion();
-
-  void emitTypeInformation();
-
-  void emitTypeGlobalHashes();
-
-  void emitCompilerInformation();
-
-  void emitBuildInfo();
-
-  void emitInlineeLinesSubsection();
-
-  void emitDebugInfoForThunk(const Function *GV,
-                             FunctionInfo &FI,
-                             const MCSymbol *Fn);
-
-  void emitDebugInfoForFunction(const Function *GV, FunctionInfo &FI);
-
-  void emitDebugInfoForRetainedTypes();
-
-  void emitDebugInfoForUDTs(
-      const std::vector<std::pair<std::string, const DIType *>> &UDTs);
-
+  /// The set of comdat .debug$S sections that we've seen so far. Each section 
+  /// must start with a magic version number that must only be emitted once. 
+  /// This set tracks which sections we've already opened. 
+  DenseSet<MCSectionCOFF *> ComdatDebugSections; 
+ 
+  /// Switch to the appropriate .debug$S section for GVSym. If GVSym, the symbol 
+  /// of an emitted global value, is in a comdat COFF section, this will switch 
+  /// to a new .debug$S section in that comdat. This method ensures that the 
+  /// section starts with the magic version number on first use. If GVSym is 
+  /// null, uses the main .debug$S section. 
+  void switchToDebugSectionForSymbol(const MCSymbol *GVSym); 
+ 
+  /// The next available function index for use with our .cv_* directives. Not 
+  /// to be confused with type indices for LF_FUNC_ID records. 
+  unsigned NextFuncId = 0; 
+ 
+  InlineSite &getInlineSite(const DILocation *InlinedAt, 
+                            const DISubprogram *Inlinee); 
+ 
+  codeview::TypeIndex getFuncIdForSubprogram(const DISubprogram *SP); 
+ 
+  void calculateRanges(LocalVariable &Var, 
+                       const DbgValueHistoryMap::Entries &Entries); 
+ 
+  /// Remember some debug info about each function. Keep it in a stable order to 
+  /// emit at the end of the TU. 
+  MapVector<const Function *, std::unique_ptr<FunctionInfo>> FnDebugInfo; 
+ 
+  /// Map from full file path to .cv_file id. Full paths are built from DIFiles 
+  /// and are stored in FileToFilepathMap; 
+  DenseMap<StringRef, unsigned> FileIdMap; 
+ 
+  /// All inlined subprograms in the order they should be emitted. 
+  SmallSetVector<const DISubprogram *, 4> InlinedSubprograms; 
+ 
+  /// Map from a pair of DI metadata nodes and its DI type (or scope) that can 
+  /// be nullptr, to CodeView type indices. Primarily indexed by 
+  /// {DIType*, DIType*} and {DISubprogram*, DIType*}. 
+  /// 
+  /// The second entry in the key is needed for methods as DISubroutineType 
+  /// representing static method type are shared with non-method function type. 
+  DenseMap<std::pair<const DINode *, const DIType *>, codeview::TypeIndex> 
+      TypeIndices; 
+ 
+  /// Map from DICompositeType* to complete type index. Non-record types are 
+  /// always looked up in the normal TypeIndices map. 
+  DenseMap<const DICompositeType *, codeview::TypeIndex> CompleteTypeIndices; 
+ 
+  /// Complete record types to emit after all active type lowerings are 
+  /// finished. 
+  SmallVector<const DICompositeType *, 4> DeferredCompleteTypes; 
+ 
+  /// Number of type lowering frames active on the stack. 
+  unsigned TypeEmissionLevel = 0; 
+ 
+  codeview::TypeIndex VBPType; 
+ 
+  const DISubprogram *CurrentSubprogram = nullptr; 
+ 
+  // The UDTs we have seen while processing types; each entry is a pair of type 
+  // index and type name. 
+  std::vector<std::pair<std::string, const DIType *>> LocalUDTs; 
+  std::vector<std::pair<std::string, const DIType *>> GlobalUDTs; 
+ 
+  using FileToFilepathMapTy = std::map<const DIFile *, std::string>; 
+  FileToFilepathMapTy FileToFilepathMap; 
+ 
+  StringRef getFullFilepath(const DIFile *File); 
+ 
+  unsigned maybeRecordFile(const DIFile *F); 
+ 
+  void maybeRecordLocation(const DebugLoc &DL, const MachineFunction *MF); 
+ 
+  void clear(); 
+ 
+  void setCurrentSubprogram(const DISubprogram *SP) { 
+    CurrentSubprogram = SP; 
+    LocalUDTs.clear(); 
+  } 
+ 
+  /// Emit the magic version number at the start of a CodeView type or symbol 
+  /// section. Appears at the front of every .debug$S or .debug$T or .debug$P 
+  /// section. 
+  void emitCodeViewMagicVersion(); 
+ 
+  void emitTypeInformation(); 
+ 
+  void emitTypeGlobalHashes(); 
+ 
+  void emitCompilerInformation(); 
+ 
+  void emitBuildInfo(); 
+ 
+  void emitInlineeLinesSubsection(); 
+ 
+  void emitDebugInfoForThunk(const Function *GV, 
+                             FunctionInfo &FI, 
+                             const MCSymbol *Fn); 
+ 
+  void emitDebugInfoForFunction(const Function *GV, FunctionInfo &FI); 
+ 
+  void emitDebugInfoForRetainedTypes(); 
+ 
+  void emitDebugInfoForUDTs( 
+      const std::vector<std::pair<std::string, const DIType *>> &UDTs); 
+ 
   void collectDebugInfoForGlobals();
-  void emitDebugInfoForGlobals();
-  void emitGlobalVariableList(ArrayRef<CVGlobalVariable> Globals);
-  void emitDebugInfoForGlobal(const CVGlobalVariable &CVGV);
+  void emitDebugInfoForGlobals(); 
+  void emitGlobalVariableList(ArrayRef<CVGlobalVariable> Globals); 
+  void emitDebugInfoForGlobal(const CVGlobalVariable &CVGV); 
   void emitStaticConstMemberList();
-
-  /// Opens a subsection of the given kind in a .debug$S codeview section.
-  /// Returns an end label for use with endCVSubsection when the subsection is
-  /// finished.
-  MCSymbol *beginCVSubsection(codeview::DebugSubsectionKind Kind);
-  void endCVSubsection(MCSymbol *EndLabel);
-
-  /// Opens a symbol record of the given kind. Returns an end label for use with
-  /// endSymbolRecord.
-  MCSymbol *beginSymbolRecord(codeview::SymbolKind Kind);
-  void endSymbolRecord(MCSymbol *SymEnd);
-
-  /// Emits an S_END, S_INLINESITE_END, or S_PROC_ID_END record. These records
-  /// are empty, so we emit them with a simpler assembly sequence that doesn't
-  /// involve labels.
-  void emitEndSymbolRecord(codeview::SymbolKind EndKind);
-
-  void emitInlinedCallSite(const FunctionInfo &FI, const DILocation *InlinedAt,
-                           const InlineSite &Site);
-
-  using InlinedEntity = DbgValueHistoryMap::InlinedEntity;
-
-  void collectGlobalVariableInfo();
-  void collectVariableInfo(const DISubprogram *SP);
-
-  void collectVariableInfoFromMFTable(DenseSet<InlinedEntity> &Processed);
-
-  // Construct the lexical block tree for a routine, pruning emptpy lexical
-  // scopes, and populate it with local variables.
-  void collectLexicalBlockInfo(SmallVectorImpl<LexicalScope *> &Scopes,
-                               SmallVectorImpl<LexicalBlock *> &Blocks,
-                               SmallVectorImpl<LocalVariable> &Locals,
-                               SmallVectorImpl<CVGlobalVariable> &Globals);
-  void collectLexicalBlockInfo(LexicalScope &Scope,
-                               SmallVectorImpl<LexicalBlock *> &ParentBlocks,
-                               SmallVectorImpl<LocalVariable> &ParentLocals,
-                               SmallVectorImpl<CVGlobalVariable> &ParentGlobals);
-
-  /// Records information about a local variable in the appropriate scope. In
-  /// particular, locals from inlined code live inside the inlining site.
-  void recordLocalVariable(LocalVariable &&Var, const LexicalScope *LS);
-
-  /// Emits local variables in the appropriate order.
-  void emitLocalVariableList(const FunctionInfo &FI,
-                             ArrayRef<LocalVariable> Locals);
-
-  /// Emits an S_LOCAL record and its associated defined ranges.
-  void emitLocalVariable(const FunctionInfo &FI, const LocalVariable &Var);
-
-  /// Emits a sequence of lexical block scopes and their children.
-  void emitLexicalBlockList(ArrayRef<LexicalBlock *> Blocks,
-                            const FunctionInfo& FI);
-
-  /// Emit a lexical block scope and its children.
-  void emitLexicalBlock(const LexicalBlock &Block, const FunctionInfo& FI);
-
-  /// Translates the DIType to codeview if necessary and returns a type index
-  /// for it.
-  codeview::TypeIndex getTypeIndex(const DIType *Ty,
-                                   const DIType *ClassTy = nullptr);
-
-  codeview::TypeIndex
-  getTypeIndexForThisPtr(const DIDerivedType *PtrTy,
-                         const DISubroutineType *SubroutineTy);
-
-  codeview::TypeIndex getTypeIndexForReferenceTo(const DIType *Ty);
-
-  codeview::TypeIndex getMemberFunctionType(const DISubprogram *SP,
-                                            const DICompositeType *Class);
-
-  codeview::TypeIndex getScopeIndex(const DIScope *Scope);
-
-  codeview::TypeIndex getVBPTypeIndex();
-
-  void addToUDTs(const DIType *Ty);
-
-  void addUDTSrcLine(const DIType *Ty, codeview::TypeIndex TI);
-
-  codeview::TypeIndex lowerType(const DIType *Ty, const DIType *ClassTy);
-  codeview::TypeIndex lowerTypeAlias(const DIDerivedType *Ty);
-  codeview::TypeIndex lowerTypeArray(const DICompositeType *Ty);
-  codeview::TypeIndex lowerTypeBasic(const DIBasicType *Ty);
-  codeview::TypeIndex lowerTypePointer(
-      const DIDerivedType *Ty,
-      codeview::PointerOptions PO = codeview::PointerOptions::None);
-  codeview::TypeIndex lowerTypeMemberPointer(
-      const DIDerivedType *Ty,
-      codeview::PointerOptions PO = codeview::PointerOptions::None);
-  codeview::TypeIndex lowerTypeModifier(const DIDerivedType *Ty);
-  codeview::TypeIndex lowerTypeFunction(const DISubroutineType *Ty);
-  codeview::TypeIndex lowerTypeVFTableShape(const DIDerivedType *Ty);
-  codeview::TypeIndex lowerTypeMemberFunction(
-      const DISubroutineType *Ty, const DIType *ClassTy, int ThisAdjustment,
-      bool IsStaticMethod,
-      codeview::FunctionOptions FO = codeview::FunctionOptions::None);
-  codeview::TypeIndex lowerTypeEnum(const DICompositeType *Ty);
-  codeview::TypeIndex lowerTypeClass(const DICompositeType *Ty);
-  codeview::TypeIndex lowerTypeUnion(const DICompositeType *Ty);
-
-  /// Symbol records should point to complete types, but type records should
-  /// always point to incomplete types to avoid cycles in the type graph. Only
-  /// use this entry point when generating symbol records. The complete and
-  /// incomplete type indices only differ for record types. All other types use
-  /// the same index.
-  codeview::TypeIndex getCompleteTypeIndex(const DIType *Ty);
-
-  codeview::TypeIndex lowerCompleteTypeClass(const DICompositeType *Ty);
-  codeview::TypeIndex lowerCompleteTypeUnion(const DICompositeType *Ty);
-
-  struct TypeLoweringScope;
-
-  void emitDeferredCompleteTypes();
-
-  void collectMemberInfo(ClassInfo &Info, const DIDerivedType *DDTy);
-  ClassInfo collectClassInfo(const DICompositeType *Ty);
-
-  /// Common record member lowering functionality for record types, which are
-  /// structs, classes, and unions. Returns the field list index and the member
-  /// count.
-  std::tuple<codeview::TypeIndex, codeview::TypeIndex, unsigned, bool>
-  lowerRecordFieldList(const DICompositeType *Ty);
-
-  /// Inserts {{Node, ClassTy}, TI} into TypeIndices and checks for duplicates.
-  codeview::TypeIndex recordTypeIndexForDINode(const DINode *Node,
-                                               codeview::TypeIndex TI,
-                                               const DIType *ClassTy = nullptr);
-
-  /// Collect the names of parent scopes, innermost to outermost. Return the
-  /// innermost subprogram scope if present. Ensure that parent type scopes are
-  /// inserted into the type table.
-  const DISubprogram *
-  collectParentScopeNames(const DIScope *Scope,
-                          SmallVectorImpl<StringRef> &ParentScopeNames);
-  std::string getFullyQualifiedName(const DIScope *Scope, StringRef Name);
-  std::string getFullyQualifiedName(const DIScope *Scope);
-
-  unsigned getPointerSizeInBytes();
-
-protected:
-  /// Gather pre-function debug information.
-  void beginFunctionImpl(const MachineFunction *MF) override;
-
-  /// Gather post-function debug information.
-  void endFunctionImpl(const MachineFunction *) override;
-
-public:
-  CodeViewDebug(AsmPrinter *AP);
-
+ 
+  /// Opens a subsection of the given kind in a .debug$S codeview section. 
+  /// Returns an end label for use with endCVSubsection when the subsection is 
+  /// finished. 
+  MCSymbol *beginCVSubsection(codeview::DebugSubsectionKind Kind); 
+  void endCVSubsection(MCSymbol *EndLabel); 
+ 
+  /// Opens a symbol record of the given kind. Returns an end label for use with 
+  /// endSymbolRecord. 
+  MCSymbol *beginSymbolRecord(codeview::SymbolKind Kind); 
+  void endSymbolRecord(MCSymbol *SymEnd); 
+ 
+  /// Emits an S_END, S_INLINESITE_END, or S_PROC_ID_END record. These records 
+  /// are empty, so we emit them with a simpler assembly sequence that doesn't 
+  /// involve labels. 
+  void emitEndSymbolRecord(codeview::SymbolKind EndKind); 
+ 
+  void emitInlinedCallSite(const FunctionInfo &FI, const DILocation *InlinedAt, 
+                           const InlineSite &Site); 
+ 
+  using InlinedEntity = DbgValueHistoryMap::InlinedEntity; 
+ 
+  void collectGlobalVariableInfo(); 
+  void collectVariableInfo(const DISubprogram *SP); 
+ 
+  void collectVariableInfoFromMFTable(DenseSet<InlinedEntity> &Processed); 
+ 
+  // Construct the lexical block tree for a routine, pruning emptpy lexical 
+  // scopes, and populate it with local variables. 
+  void collectLexicalBlockInfo(SmallVectorImpl<LexicalScope *> &Scopes, 
+                               SmallVectorImpl<LexicalBlock *> &Blocks, 
+                               SmallVectorImpl<LocalVariable> &Locals, 
+                               SmallVectorImpl<CVGlobalVariable> &Globals); 
+  void collectLexicalBlockInfo(LexicalScope &Scope, 
+                               SmallVectorImpl<LexicalBlock *> &ParentBlocks, 
+                               SmallVectorImpl<LocalVariable> &ParentLocals, 
+                               SmallVectorImpl<CVGlobalVariable> &ParentGlobals); 
+ 
+  /// Records information about a local variable in the appropriate scope. In 
+  /// particular, locals from inlined code live inside the inlining site. 
+  void recordLocalVariable(LocalVariable &&Var, const LexicalScope *LS); 
+ 
+  /// Emits local variables in the appropriate order. 
+  void emitLocalVariableList(const FunctionInfo &FI, 
+                             ArrayRef<LocalVariable> Locals); 
+ 
+  /// Emits an S_LOCAL record and its associated defined ranges. 
+  void emitLocalVariable(const FunctionInfo &FI, const LocalVariable &Var); 
+ 
+  /// Emits a sequence of lexical block scopes and their children. 
+  void emitLexicalBlockList(ArrayRef<LexicalBlock *> Blocks, 
+                            const FunctionInfo& FI); 
+ 
+  /// Emit a lexical block scope and its children. 
+  void emitLexicalBlock(const LexicalBlock &Block, const FunctionInfo& FI); 
+ 
+  /// Translates the DIType to codeview if necessary and returns a type index 
+  /// for it. 
+  codeview::TypeIndex getTypeIndex(const DIType *Ty, 
+                                   const DIType *ClassTy = nullptr); 
+ 
+  codeview::TypeIndex 
+  getTypeIndexForThisPtr(const DIDerivedType *PtrTy, 
+                         const DISubroutineType *SubroutineTy); 
+ 
+  codeview::TypeIndex getTypeIndexForReferenceTo(const DIType *Ty); 
+ 
+  codeview::TypeIndex getMemberFunctionType(const DISubprogram *SP, 
+                                            const DICompositeType *Class); 
+ 
+  codeview::TypeIndex getScopeIndex(const DIScope *Scope); 
+ 
+  codeview::TypeIndex getVBPTypeIndex(); 
+ 
+  void addToUDTs(const DIType *Ty); 
+ 
+  void addUDTSrcLine(const DIType *Ty, codeview::TypeIndex TI); 
+ 
+  codeview::TypeIndex lowerType(const DIType *Ty, const DIType *ClassTy); 
+  codeview::TypeIndex lowerTypeAlias(const DIDerivedType *Ty); 
+  codeview::TypeIndex lowerTypeArray(const DICompositeType *Ty); 
+  codeview::TypeIndex lowerTypeBasic(const DIBasicType *Ty); 
+  codeview::TypeIndex lowerTypePointer( 
+      const DIDerivedType *Ty, 
+      codeview::PointerOptions PO = codeview::PointerOptions::None); 
+  codeview::TypeIndex lowerTypeMemberPointer( 
+      const DIDerivedType *Ty, 
+      codeview::PointerOptions PO = codeview::PointerOptions::None); 
+  codeview::TypeIndex lowerTypeModifier(const DIDerivedType *Ty); 
+  codeview::TypeIndex lowerTypeFunction(const DISubroutineType *Ty); 
+  codeview::TypeIndex lowerTypeVFTableShape(const DIDerivedType *Ty); 
+  codeview::TypeIndex lowerTypeMemberFunction( 
+      const DISubroutineType *Ty, const DIType *ClassTy, int ThisAdjustment, 
+      bool IsStaticMethod, 
+      codeview::FunctionOptions FO = codeview::FunctionOptions::None); 
+  codeview::TypeIndex lowerTypeEnum(const DICompositeType *Ty); 
+  codeview::TypeIndex lowerTypeClass(const DICompositeType *Ty); 
+  codeview::TypeIndex lowerTypeUnion(const DICompositeType *Ty); 
+ 
+  /// Symbol records should point to complete types, but type records should 
+  /// always point to incomplete types to avoid cycles in the type graph. Only 
+  /// use this entry point when generating symbol records. The complete and 
+  /// incomplete type indices only differ for record types. All other types use 
+  /// the same index. 
+  codeview::TypeIndex getCompleteTypeIndex(const DIType *Ty); 
+ 
+  codeview::TypeIndex lowerCompleteTypeClass(const DICompositeType *Ty); 
+  codeview::TypeIndex lowerCompleteTypeUnion(const DICompositeType *Ty); 
+ 
+  struct TypeLoweringScope; 
+ 
+  void emitDeferredCompleteTypes(); 
+ 
+  void collectMemberInfo(ClassInfo &Info, const DIDerivedType *DDTy); 
+  ClassInfo collectClassInfo(const DICompositeType *Ty); 
+ 
+  /// Common record member lowering functionality for record types, which are 
+  /// structs, classes, and unions. Returns the field list index and the member 
+  /// count. 
+  std::tuple<codeview::TypeIndex, codeview::TypeIndex, unsigned, bool> 
+  lowerRecordFieldList(const DICompositeType *Ty); 
+ 
+  /// Inserts {{Node, ClassTy}, TI} into TypeIndices and checks for duplicates. 
+  codeview::TypeIndex recordTypeIndexForDINode(const DINode *Node, 
+                                               codeview::TypeIndex TI, 
+                                               const DIType *ClassTy = nullptr); 
+ 
+  /// Collect the names of parent scopes, innermost to outermost. Return the 
+  /// innermost subprogram scope if present. Ensure that parent type scopes are 
+  /// inserted into the type table. 
+  const DISubprogram * 
+  collectParentScopeNames(const DIScope *Scope, 
+                          SmallVectorImpl<StringRef> &ParentScopeNames); 
+  std::string getFullyQualifiedName(const DIScope *Scope, StringRef Name); 
+  std::string getFullyQualifiedName(const DIScope *Scope); 
+ 
+  unsigned getPointerSizeInBytes(); 
+ 
+protected: 
+  /// Gather pre-function debug information. 
+  void beginFunctionImpl(const MachineFunction *MF) override; 
+ 
+  /// Gather post-function debug information. 
+  void endFunctionImpl(const MachineFunction *) override; 
+ 
+public: 
+  CodeViewDebug(AsmPrinter *AP); 
+ 
   void beginModule(Module *M) override;
 
-  void setSymbolSize(const MCSymbol *, uint64_t) override {}
-
-  /// Emit the COFF section that holds the line table information.
-  void endModule() override;
-
-  /// Process beginning of an instruction.
-  void beginInstruction(const MachineInstr *MI) override;
-};
-
-} // end namespace llvm
-
-#endif // LLVM_LIB_CODEGEN_ASMPRINTER_CODEVIEWDEBUG_H
+  void setSymbolSize(const MCSymbol *, uint64_t) override {} 
+ 
+  /// Emit the COFF section that holds the line table information. 
+  void endModule() override; 
+ 
+  /// Process beginning of an instruction. 
+  void beginInstruction(const MachineInstr *MI) override; 
+}; 
+ 
+} // end namespace llvm 
+ 
+#endif // LLVM_LIB_CODEGEN_ASMPRINTER_CODEVIEWDEBUG_H