File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/llvm/include/llvm/CodeGen

usr / src / contrib / llvm-project / llvm / include / llvm / CodeGen /

📁 ..
📄 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: Register.h

//===-- llvm/CodeGen/Register.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
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_REGISTER_H
#define LLVM_CODEGEN_REGISTER_H

#include "llvm/MC/MCRegister.h"
#include <cassert>

namespace llvm {

/// Wrapper class representing virtual and physical registers. Should be passed
/// by value.
class Register {
  unsigned Reg;

public:
  constexpr Register(unsigned Val = 0): Reg(Val) {}
  constexpr Register(MCRegister Val): Reg(Val) {}

// Register numbers can represent physical registers, virtual registers, and
  // sometimes stack slots. The unsigned values are divided into these ranges:
  //
  //   0           Not a register, can be used as a sentinel.
  //   [1;2^30)    Physical registers assigned by TableGen.
  //   [2^30;2^31) Stack slots. (Rarely used.)
  //   [2^31;2^32) Virtual registers assigned by MachineRegisterInfo.
  //
  // Further sentinels can be allocated from the small negative integers.
  // DenseMapInfo<unsigned> uses -1u and -2u.
  static_assert(std::numeric_limits<decltype(Reg)>::max() >= 0xFFFFFFFF,
                "Reg isn't large enough to hold full range.");

/// isStackSlot - Sometimes it is useful the be able to store a non-negative
  /// frame index in a variable that normally holds a register. isStackSlot()
  /// returns true if Reg is in the range used for stack slots.
  ///
  /// Note that isVirtualRegister() and isPhysicalRegister() cannot handle stack
  /// slots, so if a variable may contains a stack slot, always check
  /// isStackSlot() first.
  ///
  static bool isStackSlot(unsigned Reg) {
    return MCRegister::isStackSlot(Reg);
  }

/// Compute the frame index from a register value representing a stack slot.
  static int stackSlot2Index(unsigned Reg) {
    assert(isStackSlot(Reg) && "Not a stack slot");
    return int(Reg - MCRegister::FirstStackSlot);
  }

/// Convert a non-negative frame index to a stack slot register value.
  static unsigned index2StackSlot(int FI) {
    assert(FI >= 0 && "Cannot hold a negative frame index.");
    return FI + MCRegister::FirstStackSlot;
  }

/// Return true if the specified register number is in
  /// the physical register namespace.
  static bool isPhysicalRegister(unsigned Reg) {
    return MCRegister::isPhysicalRegister(Reg);
  }

/// Return true if the specified register number is in
  /// the virtual register namespace.
  static bool isVirtualRegister(unsigned Reg) {
    assert(!isStackSlot(Reg) && "Not a register! Check isStackSlot() first.");
    return Reg & MCRegister::VirtualRegFlag;
  }

/// Convert a virtual register number to a 0-based index.
  /// The first virtual register in a function will get the index 0.
  static unsigned virtReg2Index(unsigned Reg) {
    assert(isVirtualRegister(Reg) && "Not a virtual register");
    return Reg & ~MCRegister::VirtualRegFlag;
  }

/// Convert a 0-based index to a virtual register number.
  /// This is the inverse operation of VirtReg2IndexFunctor below.
  static unsigned index2VirtReg(unsigned Index) {
    assert(Index < (1u << 31) && "Index too large for virtual register range.");
    return Index | MCRegister::VirtualRegFlag;
  }

/// Return true if the specified register number is in the virtual register
  /// namespace.
  bool isVirtual() const {
    return isVirtualRegister(Reg);
  }

/// Return true if the specified register number is in the physical register
  /// namespace.
  bool isPhysical() const {
    return isPhysicalRegister(Reg);
  }

/// Convert a virtual register number to a 0-based index. The first virtual
  /// register in a function will get the index 0.
  unsigned virtRegIndex() const {
    return virtReg2Index(Reg);
  }

constexpr operator unsigned() const {
    return Reg;
  }

unsigned id() const { return Reg; }

operator MCRegister() const {
    return MCRegister(Reg);
  }

bool isValid() const { return Reg != MCRegister::NoRegister; }

/// Comparisons between register objects
  bool operator==(const Register &Other) const { return Reg == Other.Reg; }
  bool operator!=(const Register &Other) const { return Reg != Other.Reg; }
  bool operator==(const MCRegister &Other) const { return Reg == Other.id(); }
  bool operator!=(const MCRegister &Other) const { return Reg != Other.id(); }

/// Comparisons against register constants. E.g.
  /// * R == AArch64::WZR
  /// * R == 0
  /// * R == VirtRegMap::NO_PHYS_REG
  bool operator==(unsigned Other) const { return Reg == Other; }
  bool operator!=(unsigned Other) const { return Reg != Other; }
  bool operator==(int Other) const { return Reg == unsigned(Other); }
  bool operator!=(int Other) const { return Reg != unsigned(Other); }
  // MSVC requires that we explicitly declare these two as well.
  bool operator==(MCPhysReg Other) const { return Reg == unsigned(Other); }
  bool operator!=(MCPhysReg Other) const { return Reg != unsigned(Other); }
};

// Provide DenseMapInfo for Register
template<> struct DenseMapInfo<Register> {
  static inline unsigned getEmptyKey() {
    return DenseMapInfo<unsigned>::getEmptyKey();
  }
  static inline unsigned getTombstoneKey() {
    return DenseMapInfo<unsigned>::getTombstoneKey();
  }
  static unsigned getHashValue(const Register &Val) {
    return DenseMapInfo<unsigned>::getHashValue(Val.id());
  }
  static bool isEqual(const Register &LHS, const Register &RHS) {
    return DenseMapInfo<unsigned>::isEqual(LHS.id(), RHS.id());
  }
};

}

#endif // ifndef LLVM_CODEGEN_REGISTER_H

003 File Manager

Editing: Register.h

Upload File

Create Folder