1 files changed, 0 insertions, 138 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.h b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.h
deleted file mode 100644
index cdf8dc72b07..00000000000
--- a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.h
+++ /dev/null
@@ -1,138 +0,0 @@
-//===-- llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.h --------*- C++ -*--===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Common functionality for different debug information format backends.
-// LLVM currently supports DWARF and CodeView.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DEBUGHANDLERBASE_H
-#define LLVM_LIB_CODEGEN_ASMPRINTER_DEBUGHANDLERBASE_H
-
-#include "AsmPrinterHandler.h"
-#include "DbgEntityHistoryCalculator.h"
-#include "llvm/ADT/Optional.h"
-#include "llvm/CodeGen/LexicalScopes.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/IR/DebugInfoMetadata.h"
-
-namespace llvm {
-
-class AsmPrinter;
-class MachineInstr;
-class MachineModuleInfo;
-
-/// Represents the location at which a variable is stored.
-struct DbgVariableLocation {
-  /// Base register.
-  unsigned Register;
-
-  /// Chain of offsetted loads necessary to load the value if it lives in
-  /// memory. Every load except for the last is pointer-sized.
-  SmallVector<int64_t, 1> LoadChain;
-
-  /// Present if the location is part of a larger variable.
-  llvm::Optional<llvm::DIExpression::FragmentInfo> FragmentInfo;
-
-  /// Extract a VariableLocation from a MachineInstr.
-  /// This will only work if Instruction is a debug value instruction
-  /// and the associated DIExpression is in one of the supported forms.
-  /// If these requirements are not met, the returned Optional will not
-  /// have a value.
-  static Optional<DbgVariableLocation>
-  extractFromMachineInstruction(const MachineInstr &Instruction);
-};
-
-/// Base class for debug information backends. Common functionality related to
-/// tracking which variables and scopes are alive at a given PC live here.
-class DebugHandlerBase : public AsmPrinterHandler {
-protected:
-  DebugHandlerBase(AsmPrinter *A);
-
-  /// Target of debug info emission.
-  AsmPrinter *Asm;
-
-  /// Collected machine module information.
-  MachineModuleInfo *MMI;
-
-  /// Previous instruction's location information. This is used to
-  /// determine label location to indicate scope boundaries in debug info.
-  /// We track the previous instruction's source location (if not line 0),
-  /// whether it was a label, and its parent BB.
-  DebugLoc PrevInstLoc;
-  MCSymbol *PrevLabel = nullptr;
-  const MachineBasicBlock *PrevInstBB = nullptr;
-
-  /// This location indicates end of function prologue and beginning of
-  /// function body.
-  DebugLoc PrologEndLoc;
-
-  /// If nonnull, stores the current machine instruction we're processing.
-  const MachineInstr *CurMI = nullptr;
-
-  LexicalScopes LScopes;
-
-  /// History of DBG_VALUE and clobber instructions for each user
-  /// variable.  Variables are listed in order of appearance.
-  DbgValueHistoryMap DbgValues;
-
-  /// Mapping of inlined labels and DBG_LABEL machine instruction.
-  DbgLabelInstrMap DbgLabels;
-
-  /// Maps instruction with label emitted before instruction.
-  /// FIXME: Make this private from DwarfDebug, we have the necessary accessors
-  /// for it.
-  DenseMap<const MachineInstr *, MCSymbol *> LabelsBeforeInsn;
-
-  /// Maps instruction with label emitted after instruction.
-  DenseMap<const MachineInstr *, MCSymbol *> LabelsAfterInsn;
-
-  /// Indentify instructions that are marking the beginning of or
-  /// ending of a scope.
-  void identifyScopeMarkers();
-
-  /// Ensure that a label will be emitted before MI.
-  void requestLabelBeforeInsn(const MachineInstr *MI) {
-    LabelsBeforeInsn.insert(std::make_pair(MI, nullptr));
-  }
-
-  /// Ensure that a label will be emitted after MI.
-  void requestLabelAfterInsn(const MachineInstr *MI) {
-    LabelsAfterInsn.insert(std::make_pair(MI, nullptr));
-  }
-
-  virtual void beginFunctionImpl(const MachineFunction *MF) = 0;
-  virtual void endFunctionImpl(const MachineFunction *MF) = 0;
-  virtual void skippedNonDebugFunction() {}
-
-  // AsmPrinterHandler overrides.
-public:
-  void beginInstruction(const MachineInstr *MI) override;
-  void endInstruction() override;
-
-  void beginFunction(const MachineFunction *MF) override;
-  void endFunction(const MachineFunction *MF) override;
-
-  /// Return Label preceding the instruction.
-  MCSymbol *getLabelBeforeInsn(const MachineInstr *MI);
-
-  /// Return Label immediately following the instruction.
-  MCSymbol *getLabelAfterInsn(const MachineInstr *MI);
-
-  /// Return the function-local offset of an instruction. A label for the
-  /// instruction \p MI should exist (\ref getLabelAfterInsn).
-  const MCExpr *getFunctionLocalOffsetAfterInsn(const MachineInstr *MI);
-
-  /// If this type is derived from a base type then return base type size.
-  static uint64_t getBaseTypeSize(const DITypeRef TyRef);
-};
-
-}
-
-#endif