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📄 AccelTable.h(13.54 KB)
📄 Analysis.h(6.04 KB)
📄 AntiDepBreaker.h(3.78 KB)
📄 AsmPrinter.h(27.35 KB)
📄 AsmPrinterHandler.h(2.6 KB)
📄 AtomicExpandUtils.h(2.49 KB)
📄 BasicTTIImpl.h(73.64 KB)
📄 BuiltinGCs.h(1008 B)
📄 CSEConfigBase.h(1.09 KB)
📄 CalcSpillWeights.h(4.69 KB)
📄 CallingConvLower.h(21 KB)
📄 CommandFlags.h(3.65 KB)
📄 CostTable.h(1.87 KB)
📄 DAGCombine.h(606 B)
📄 DFAPacketizer.h(7.47 KB)
📄 DIE.h(32.19 KB)
📄 DIEValue.def(1.4 KB)
📄 DbgEntityHistoryCalculator.h(4.37 KB)
📄 DebugHandlerBase.h(4.68 KB)
📄 DwarfStringPoolEntry.h(2.18 KB)
📄 EdgeBundles.h(2.13 KB)
📄 ExecutionDomainFix.h(7.72 KB)
📄 ExpandReductions.h(726 B)
📄 FastISel.h(22.87 KB)
📄 FaultMaps.h(6.66 KB)
📄 FunctionLoweringInfo.h(9.68 KB)
📄 GCMetadata.h(7.24 KB)
📄 GCMetadataPrinter.h(2.46 KB)
📄 GCStrategy.h(5.25 KB)
📁 GlobalISel
📄 ISDOpcodes.h(52.75 KB)
📄 IndirectThunks.h(3.85 KB)
📄 IntrinsicLowering.h(1.67 KB)
📄 LatencyPriorityQueue.h(3.09 KB)
📄 LazyMachineBlockFrequencyInfo.h(2.82 KB)
📄 LexicalScopes.h(10.06 KB)
📄 LinkAllAsmWriterComponents.h(1.34 KB)
📄 LinkAllCodegenComponents.h(2.18 KB)
📄 LiveInterval.h(37.24 KB)
📄 LiveIntervalCalc.h(2.91 KB)
📄 LiveIntervalUnion.h(6.93 KB)
📄 LiveIntervals.h(19.86 KB)
📄 LivePhysRegs.h(7.51 KB)
📄 LiveRangeCalc.h(11.49 KB)
📄 LiveRangeEdit.h(10.45 KB)
📄 LiveRegMatrix.h(6.18 KB)
📄 LiveRegUnits.h(6.24 KB)
📄 LiveStacks.h(3.35 KB)
📄 LiveVariables.h(12.98 KB)
📄 LoopTraversal.h(4.38 KB)
📄 LowLevelType.h(1.28 KB)
📄 MBFIWrapper.h(1.58 KB)
📄 MIRFormatter.h(3.13 KB)
📁 MIRParser
📄 MIRPrinter.h(1.73 KB)
📄 MIRYamlMapping.h(23.95 KB)
📄 MachORelocation.h(2.19 KB)
📄 MachineBasicBlock.h(42.95 KB)
📄 MachineBlockFrequencyInfo.h(3.21 KB)
📄 MachineBranchProbabilityInfo.h(2.69 KB)
📄 MachineCombinerPattern.h(3.5 KB)
📄 MachineConstantPool.h(5.25 KB)
📄 MachineDominanceFrontier.h(2.93 KB)
📄 MachineDominators.h(9.59 KB)
📄 MachineFrameInfo.h(34.84 KB)
📄 MachineFunction.h(42.94 KB)
📄 MachineFunctionPass.h(2.93 KB)
📄 MachineInstr.h(73.72 KB)
📄 MachineInstrBuilder.h(22.84 KB)
📄 MachineInstrBundle.h(10.16 KB)
📄 MachineInstrBundleIterator.h(10.92 KB)
📄 MachineJumpTableInfo.h(4.66 KB)
📄 MachineLoopInfo.h(7.3 KB)
📄 MachineLoopUtils.h(1.74 KB)
📄 MachineMemOperand.h(12.69 KB)
📄 MachineModuleInfo.h(9.88 KB)
📄 MachineModuleInfoImpls.h(3.36 KB)
📄 MachineOperand.h(37.64 KB)
📄 MachineOptimizationRemarkEmitter.h(8.99 KB)
📄 MachineOutliner.h(8.04 KB)
📄 MachinePassRegistry.h(6.1 KB)
📄 MachinePipeliner.h(21.17 KB)
📄 MachinePostDominators.h(2.93 KB)
📄 MachineRegionInfo.h(5.93 KB)
📄 MachineRegisterInfo.h(46.75 KB)
📄 MachineSSAUpdater.h(4.37 KB)
📄 MachineScheduler.h(36.6 KB)
📄 MachineSizeOpts.h(1.86 KB)
📄 MachineTraceMetrics.h(17.17 KB)
📄 MacroFusion.h(1.96 KB)
📄 ModuloSchedule.h(15.8 KB)
📄 NonRelocatableStringpool.h(2.9 KB)
📁 PBQP
📄 PBQPRAConstraint.h(1.83 KB)
📄 ParallelCG.h(1.66 KB)
📄 Passes.h(18.96 KB)
📄 PreISelIntrinsicLowering.h(944 B)
📄 PseudoSourceValue.h(6.21 KB)
📄 RDFGraph.h(33.73 KB)
📄 RDFLiveness.h(5.01 KB)
📄 RDFRegisters.h(6.51 KB)
📄 ReachingDefAnalysis.h(10.68 KB)
📄 RegAllocPBQP.h(16.47 KB)
📄 RegAllocRegistry.h(2.27 KB)
📄 Register.h(5.61 KB)
📄 RegisterClassInfo.h(4.86 KB)
📄 RegisterPressure.h(21.04 KB)
📄 RegisterScavenging.h(8.73 KB)
📄 RegisterUsageInfo.h(2.3 KB)
📄 ResourcePriorityQueue.h(4.19 KB)
📄 RuntimeLibcalls.h(3.05 KB)
📄 SDNodeProperties.td(1.57 KB)
📄 ScheduleDAG.h(28.92 KB)
📄 ScheduleDAGInstrs.h(15.49 KB)
📄 ScheduleDAGMutation.h(1021 B)
📄 ScheduleDFS.h(5.79 KB)
📄 ScheduleHazardRecognizer.h(4.65 KB)
📄 SchedulerRegistry.h(4.27 KB)
📄 ScoreboardHazardRecognizer.h(3.7 KB)
📄 SelectionDAG.h(89.12 KB)
📄 SelectionDAGAddressAnalysis.h(3.58 KB)
📄 SelectionDAGISel.h(13.48 KB)
📄 SelectionDAGNodes.h(91.77 KB)
📄 SelectionDAGTargetInfo.h(7.99 KB)
📄 SlotIndexes.h(24.12 KB)
📄 Spiller.h(1.16 KB)
📄 StackMaps.h(11.45 KB)
📄 StackProtector.h(4.1 KB)
📄 SwiftErrorValueTracking.h(3.87 KB)
📄 SwitchLoweringUtils.h(9.51 KB)
📄 TailDuplicator.h(5.54 KB)
📄 TargetCallingConv.h(8.26 KB)
📄 TargetFrameLowering.h(19.21 KB)
📄 TargetInstrInfo.h(84.48 KB)
📄 TargetLowering.h(194.17 KB)
📄 TargetLoweringObjectFileImpl.h(11.63 KB)
📄 TargetOpcodes.h(1.37 KB)
📄 TargetPassConfig.h(17.9 KB)
📄 TargetRegisterInfo.h(48.65 KB)
📄 TargetSchedule.h(7.75 KB)
📄 TargetSubtargetInfo.h(12.53 KB)
📄 UnreachableBlockElim.h(1.39 KB)
📄 ValueTypes.h(17.2 KB)
📄 ValueTypes.td(11.42 KB)
📄 VirtRegMap.h(6.37 KB)
📄 WasmEHFuncInfo.h(1.92 KB)
📄 WinEHFuncInfo.h(4.01 KB)

Editing: PseudoSourceValue.h

//===-- llvm/CodeGen/PseudoSourceValue.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 the declaration of the PseudoSourceValue class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
#define LLVM_CODEGEN_PSEUDOSOURCEVALUE_H

#include "llvm/ADT/StringMap.h"
#include "llvm/IR/ValueMap.h"
#include <map>

namespace llvm {

class GlobalValue;
class MachineFrameInfo;
class MachineMemOperand;
class MIRFormatter;
class PseudoSourceValue;
class raw_ostream;
class TargetInstrInfo;

raw_ostream &operator<<(raw_ostream &OS, const PseudoSourceValue* PSV);

/// Special value supplied for machine level alias analysis. It indicates that
/// a memory access references the functions stack frame (e.g., a spill slot),
/// below the stack frame (e.g., argument space), or constant pool.
class PseudoSourceValue {
public:
  enum PSVKind : unsigned {
    Stack,
    GOT,
    JumpTable,
    ConstantPool,
    FixedStack,
    GlobalValueCallEntry,
    ExternalSymbolCallEntry,
    TargetCustom
  };

private:
  unsigned Kind;
  unsigned AddressSpace;
  friend raw_ostream &llvm::operator<<(raw_ostream &OS,
                                       const PseudoSourceValue* PSV);

friend class MachineMemOperand; // For printCustom().
  friend class MIRFormatter;      // For printCustom().

/// Implement printing for PseudoSourceValue. This is called from
  /// Value::print or Value's operator<<.
  virtual void printCustom(raw_ostream &O) const;

public:
  explicit PseudoSourceValue(unsigned Kind, const TargetInstrInfo &TII);

virtual ~PseudoSourceValue();

unsigned kind() const { return Kind; }

bool isStack() const { return Kind == Stack; }
  bool isGOT() const { return Kind == GOT; }
  bool isConstantPool() const { return Kind == ConstantPool; }
  bool isJumpTable() const { return Kind == JumpTable; }

unsigned getAddressSpace() const { return AddressSpace; }

unsigned getTargetCustom() const {
    return (Kind >= TargetCustom) ? ((Kind+1) - TargetCustom) : 0;
  }

/// Test whether the memory pointed to by this PseudoSourceValue has a
  /// constant value.
  virtual bool isConstant(const MachineFrameInfo *) const;

/// Test whether the memory pointed to by this PseudoSourceValue may also be
  /// pointed to by an LLVM IR Value.
  virtual bool isAliased(const MachineFrameInfo *) const;

/// Return true if the memory pointed to by this PseudoSourceValue can ever
  /// alias an LLVM IR Value.
  virtual bool mayAlias(const MachineFrameInfo *) const;
};

/// A specialized PseudoSourceValue for holding FixedStack values, which must
/// include a frame index.
class FixedStackPseudoSourceValue : public PseudoSourceValue {
  const int FI;

public:
  explicit FixedStackPseudoSourceValue(int FI, const TargetInstrInfo &TII)
      : PseudoSourceValue(FixedStack, TII), FI(FI) {}

static bool classof(const PseudoSourceValue *V) {
    return V->kind() == FixedStack;
  }

bool isConstant(const MachineFrameInfo *MFI) const override;

bool isAliased(const MachineFrameInfo *MFI) const override;

bool mayAlias(const MachineFrameInfo *) const override;

void printCustom(raw_ostream &OS) const override;

int getFrameIndex() const { return FI; }
};

class CallEntryPseudoSourceValue : public PseudoSourceValue {
protected:
  CallEntryPseudoSourceValue(unsigned Kind, const TargetInstrInfo &TII);

public:
  bool isConstant(const MachineFrameInfo *) const override;
  bool isAliased(const MachineFrameInfo *) const override;
  bool mayAlias(const MachineFrameInfo *) const override;
};

/// A specialized pseudo source value for holding GlobalValue values.
class GlobalValuePseudoSourceValue : public CallEntryPseudoSourceValue {
  const GlobalValue *GV;

public:
  GlobalValuePseudoSourceValue(const GlobalValue *GV,
                               const TargetInstrInfo &TII);

static bool classof(const PseudoSourceValue *V) {
    return V->kind() == GlobalValueCallEntry;
  }

const GlobalValue *getValue() const { return GV; }
};

/// A specialized pseudo source value for holding external symbol values.
class ExternalSymbolPseudoSourceValue : public CallEntryPseudoSourceValue {
  const char *ES;

public:
  ExternalSymbolPseudoSourceValue(const char *ES, const TargetInstrInfo &TII);

static bool classof(const PseudoSourceValue *V) {
    return V->kind() == ExternalSymbolCallEntry;
  }

const char *getSymbol() const { return ES; }
};

/// Manages creation of pseudo source values.
class PseudoSourceValueManager {
  const TargetInstrInfo &TII;
  const PseudoSourceValue StackPSV, GOTPSV, JumpTablePSV, ConstantPoolPSV;
  std::map<int, std::unique_ptr<FixedStackPseudoSourceValue>> FSValues;
  StringMap<std::unique_ptr<const ExternalSymbolPseudoSourceValue>>
      ExternalCallEntries;
  ValueMap<const GlobalValue *,
           std::unique_ptr<const GlobalValuePseudoSourceValue>>
      GlobalCallEntries;

public:
  PseudoSourceValueManager(const TargetInstrInfo &TII);

/// Return a pseudo source value referencing the area below the stack frame of
  /// a function, e.g., the argument space.
  const PseudoSourceValue *getStack();

/// Return a pseudo source value referencing the global offset table
  /// (or something the like).
  const PseudoSourceValue *getGOT();

/// Return a pseudo source value referencing the constant pool. Since constant
  /// pools are constant, this doesn't need to identify a specific constant
  /// pool entry.
  const PseudoSourceValue *getConstantPool();

/// Return a pseudo source value referencing a jump table. Since jump tables
  /// are constant, this doesn't need to identify a specific jump table.
  const PseudoSourceValue *getJumpTable();

/// Return a pseudo source value referencing a fixed stack frame entry,
  /// e.g., a spill slot.
  const PseudoSourceValue *getFixedStack(int FI);

const PseudoSourceValue *getGlobalValueCallEntry(const GlobalValue *GV);

const PseudoSourceValue *getExternalSymbolCallEntry(const char *ES);
};

} // end namespace llvm

#endif

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