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📄 AbstractCallSite.h(9.5 KB)
📄 Argument.h(5.03 KB)
📄 AssemblyAnnotationWriter.h(2.2 KB)
📄 Attributes.h(35.5 KB)
📄 Attributes.td(8.96 KB)
📄 AutoUpgrade.h(3.96 KB)
📄 BasicBlock.h(21.91 KB)
📄 CFG.h(13.84 KB)
📄 CallingConv.h(9.27 KB)
📄 Comdat.h(2.16 KB)
📄 Constant.h(8.33 KB)
📄 ConstantFolder.h(10.01 KB)
📄 ConstantRange.h(21.6 KB)
📄 Constants.h(53.03 KB)
📄 ConstrainedOps.def(5.4 KB)
📄 DIBuilder.h(44.36 KB)
📄 DataLayout.h(24.11 KB)
📄 DebugInfo.h(5.42 KB)
📄 DebugInfoFlags.def(3.62 KB)
📄 DebugInfoMetadata.h(132.91 KB)
📄 DebugLoc.h(4.57 KB)
📄 DerivedTypes.h(26.81 KB)
📄 DerivedUser.h(1.32 KB)
📄 DiagnosticHandler.h(2.89 KB)
📄 DiagnosticInfo.h(41.02 KB)
📄 DiagnosticPrinter.h(3.46 KB)
📄 Dominators.h(9.94 KB)
📄 FPEnv.h(1.97 KB)
📄 FixedMetadataKinds.def(2.05 KB)
📄 Function.h(31.39 KB)
📄 GVMaterializer.h(1.45 KB)
📄 GetElementPtrTypeIterator.h(5.54 KB)
📄 GlobalAlias.h(3.16 KB)
📄 GlobalIFunc.h(2.51 KB)
📄 GlobalIndirectSymbol.h(3.11 KB)
📄 GlobalObject.h(7.39 KB)
📄 GlobalValue.h(21.2 KB)
📄 GlobalVariable.h(9.6 KB)
📄 IRBuilder.h(105.58 KB)
📄 IRBuilderFolder.h(7.1 KB)
📄 IRPrintingPasses.h(3.57 KB)
📄 InlineAsm.h(15.84 KB)
📄 InstIterator.h(5.06 KB)
📄 InstVisitor.h(13.95 KB)
📄 InstrTypes.h(86.25 KB)
📄 Instruction.def(8.53 KB)
📄 Instruction.h(30.74 KB)
📄 Instructions.h(195.68 KB)
📄 IntrinsicInst.h(29.03 KB)
📄 Intrinsics.h(8.21 KB)
📄 Intrinsics.td(78.88 KB)
📄 IntrinsicsAArch64.td(100.59 KB)
📄 IntrinsicsAMDGPU.td(80.43 KB)
📄 IntrinsicsARM.td(65.15 KB)
📄 IntrinsicsBPF.td(1.54 KB)
📄 IntrinsicsHexagon.td(11.53 KB)
📄 IntrinsicsHexagonDep.td(197.38 KB)
📄 IntrinsicsMips.td(94.94 KB)
📄 IntrinsicsNVVM.td(193.97 KB)
📄 IntrinsicsPowerPC.td(68.23 KB)
📄 IntrinsicsRISCV.td(3.24 KB)
📄 IntrinsicsSystemZ.td(18.56 KB)
📄 IntrinsicsWebAssembly.td(9.38 KB)
📄 IntrinsicsX86.td(242.99 KB)
📄 IntrinsicsXCore.td(6.83 KB)
📄 LLVMContext.h(14.18 KB)
📄 LLVMRemarkStreamer.h(3.36 KB)
📄 LegacyPassManager.h(3.11 KB)
📄 LegacyPassManagers.h(18.17 KB)
📄 LegacyPassNameParser.h(3.73 KB)
📄 MDBuilder.h(8.65 KB)
📄 Mangler.h(2.06 KB)
📄 MatrixBuilder.h(8.81 KB)
📄 Metadata.def(5.07 KB)
📄 Metadata.h(45.24 KB)
📄 Module.h(34.6 KB)
📄 ModuleSlotTracker.h(2.56 KB)
📄 ModuleSummaryIndex.h(58.12 KB)
📄 ModuleSummaryIndexYAML.h(10.93 KB)
📄 NoFolder.h(11.32 KB)
📄 OperandTraits.h(5.78 KB)
📄 Operator.h(19.58 KB)
📄 OptBisect.h(2.79 KB)
📄 PassInstrumentation.h(8.05 KB)
📄 PassManager.h(54.18 KB)
📄 PassManagerImpl.h(5.76 KB)
📄 PassManagerInternal.h(11.9 KB)
📄 PassTimingInfo.h(3.65 KB)
📄 PatternMatch.h(73.41 KB)
📄 PredIteratorCache.h(2.59 KB)
📄 ProfileSummary.h(4.34 KB)
📄 RuntimeLibcalls.def(24.52 KB)
📄 SafepointIRVerifier.h(1.63 KB)
📄 Statepoint.h(13.61 KB)
📄 SymbolTableListTraits.h(4.45 KB)
📄 TrackingMDRef.h(4.5 KB)
📄 Type.h(18.98 KB)
📄 TypeFinder.h(2.57 KB)
📄 Use.h(3.75 KB)
📄 UseListOrder.h(1.18 KB)
📄 User.h(11.75 KB)
📄 VPIntrinsics.def(2.34 KB)
📄 Value.def(3.62 KB)
📄 Value.h(32.16 KB)
📄 ValueHandle.h(18.11 KB)
📄 ValueMap.h(14.09 KB)
📄 ValueSymbolTable.h(4.22 KB)
📄 Verifier.h(5.47 KB)

Editing: DebugInfo.h

//===- DebugInfo.h - Debug Information Helpers ------------------*- 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 defines a bunch of datatypes that are useful for creating and
// walking debug info in LLVM IR form. They essentially provide wrappers around
// the information in the global variables that's needed when constructing the
// DWARF information.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_DEBUGINFO_H
#define LLVM_IR_DEBUGINFO_H

#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/IR/DebugInfoMetadata.h"

namespace llvm {

class DbgVariableIntrinsic;
class Instruction;
class Module;

/// Find subprogram that is enclosing this scope.
DISubprogram *getDISubprogram(const MDNode *Scope);

/// Strip debug info in the module if it exists.
///
/// To do this, we remove all calls to the debugger intrinsics and any named
/// metadata for debugging. We also remove debug locations for instructions.
/// Return true if module is modified.
bool StripDebugInfo(Module &M);
bool stripDebugInfo(Function &F);

/// Downgrade the debug info in a module to contain only line table information.
///
/// In order to convert debug info to what -gline-tables-only would have
/// created, this does the following:
///   1) Delete all debug intrinsics.
///   2) Delete all non-CU named metadata debug info nodes.
///   3) Create new DebugLocs for each instruction.
///   4) Create a new CU debug info, and similarly for every metadata node
///      that's reachable from the CU debug info.
///   All debug type metadata nodes are unreachable and garbage collected.
bool stripNonLineTableDebugInfo(Module &M);

/// Update the debug locations contained within the MD_loop metadata attached
/// to the instruction \p I, if one exists. \p Updater is applied to each debug
/// location in the MD_loop metadata: the returned value is included in the
/// updated loop metadata node if it is non-null.
void updateLoopMetadataDebugLocations(
    Instruction &I, function_ref<DILocation *(const DILocation &)> Updater);

/// Return Debug Info Metadata Version by checking module flags.
unsigned getDebugMetadataVersionFromModule(const Module &M);

/// Utility to find all debug info in a module.
///
/// DebugInfoFinder tries to list all debug info MDNodes used in a module. To
/// list debug info MDNodes used by an instruction, DebugInfoFinder uses
/// processDeclare, processValue and processLocation to handle DbgDeclareInst,
/// DbgValueInst and DbgLoc attached to instructions. processModule will go
/// through all DICompileUnits in llvm.dbg.cu and list debug info MDNodes
/// used by the CUs.
class DebugInfoFinder {
public:
  /// Process entire module and collect debug info anchors.
  void processModule(const Module &M);
  /// Process a single instruction and collect debug info anchors.
  void processInstruction(const Module &M, const Instruction &I);

/// Process DbgVariableIntrinsic.
  void processVariable(const Module &M, const DbgVariableIntrinsic &DVI);
  /// Process debug info location.
  void processLocation(const Module &M, const DILocation *Loc);

/// Clear all lists.
  void reset();

private:
  void InitializeTypeMap(const Module &M);

void processCompileUnit(DICompileUnit *CU);
  void processScope(DIScope *Scope);
  void processSubprogram(DISubprogram *SP);
  void processType(DIType *DT);
  bool addCompileUnit(DICompileUnit *CU);
  bool addGlobalVariable(DIGlobalVariableExpression *DIG);
  bool addScope(DIScope *Scope);
  bool addSubprogram(DISubprogram *SP);
  bool addType(DIType *DT);

public:
  using compile_unit_iterator =
      SmallVectorImpl<DICompileUnit *>::const_iterator;
  using subprogram_iterator = SmallVectorImpl<DISubprogram *>::const_iterator;
  using global_variable_expression_iterator =
      SmallVectorImpl<DIGlobalVariableExpression *>::const_iterator;
  using type_iterator = SmallVectorImpl<DIType *>::const_iterator;
  using scope_iterator = SmallVectorImpl<DIScope *>::const_iterator;

iterator_range<compile_unit_iterator> compile_units() const {
    return make_range(CUs.begin(), CUs.end());
  }

iterator_range<subprogram_iterator> subprograms() const {
    return make_range(SPs.begin(), SPs.end());
  }

iterator_range<global_variable_expression_iterator> global_variables() const {
    return make_range(GVs.begin(), GVs.end());
  }

iterator_range<type_iterator> types() const {
    return make_range(TYs.begin(), TYs.end());
  }

iterator_range<scope_iterator> scopes() const {
    return make_range(Scopes.begin(), Scopes.end());
  }

unsigned compile_unit_count() const { return CUs.size(); }
  unsigned global_variable_count() const { return GVs.size(); }
  unsigned subprogram_count() const { return SPs.size(); }
  unsigned type_count() const { return TYs.size(); }
  unsigned scope_count() const { return Scopes.size(); }

private:
  SmallVector<DICompileUnit *, 8> CUs;
  SmallVector<DISubprogram *, 8> SPs;
  SmallVector<DIGlobalVariableExpression *, 8> GVs;
  SmallVector<DIType *, 8> TYs;
  SmallVector<DIScope *, 8> Scopes;
  SmallPtrSet<const MDNode *, 32> NodesSeen;
};

} // end namespace llvm

#endif // LLVM_IR_DEBUGINFO_H

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