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📄 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)
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📄 DIE.h(32.19 KB)
📄 DIEValue.def(1.4 KB)
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📄 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)
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📄 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: MachineInstrBundleIterator.h

//===- llvm/CodeGen/MachineInstrBundleIterator.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
//
//===----------------------------------------------------------------------===//
//
// Defines an iterator class that bundles MachineInstr.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_MACHINEINSTRBUNDLEITERATOR_H
#define LLVM_CODEGEN_MACHINEINSTRBUNDLEITERATOR_H

#include "llvm/ADT/ilist.h"
#include "llvm/ADT/simple_ilist.h"
#include <cassert>
#include <iterator>
#include <type_traits>

namespace llvm {

template <class T, bool IsReverse> struct MachineInstrBundleIteratorTraits;
template <class T> struct MachineInstrBundleIteratorTraits<T, false> {
  using list_type = simple_ilist<T, ilist_sentinel_tracking<true>>;
  using instr_iterator = typename list_type::iterator;
  using nonconst_instr_iterator = typename list_type::iterator;
  using const_instr_iterator = typename list_type::const_iterator;
};
template <class T> struct MachineInstrBundleIteratorTraits<T, true> {
  using list_type = simple_ilist<T, ilist_sentinel_tracking<true>>;
  using instr_iterator = typename list_type::reverse_iterator;
  using nonconst_instr_iterator = typename list_type::reverse_iterator;
  using const_instr_iterator = typename list_type::const_reverse_iterator;
};
template <class T> struct MachineInstrBundleIteratorTraits<const T, false> {
  using list_type = simple_ilist<T, ilist_sentinel_tracking<true>>;
  using instr_iterator = typename list_type::const_iterator;
  using nonconst_instr_iterator = typename list_type::iterator;
  using const_instr_iterator = typename list_type::const_iterator;
};
template <class T> struct MachineInstrBundleIteratorTraits<const T, true> {
  using list_type = simple_ilist<T, ilist_sentinel_tracking<true>>;
  using instr_iterator = typename list_type::const_reverse_iterator;
  using nonconst_instr_iterator = typename list_type::reverse_iterator;
  using const_instr_iterator = typename list_type::const_reverse_iterator;
};

template <bool IsReverse> struct MachineInstrBundleIteratorHelper;
template <> struct MachineInstrBundleIteratorHelper<false> {
  /// Get the beginning of the current bundle.
  template <class Iterator> static Iterator getBundleBegin(Iterator I) {
    if (!I.isEnd())
      while (I->isBundledWithPred())
        --I;
    return I;
  }

/// Get the final node of the current bundle.
  template <class Iterator> static Iterator getBundleFinal(Iterator I) {
    if (!I.isEnd())
      while (I->isBundledWithSucc())
        ++I;
    return I;
  }

/// Increment forward ilist iterator.
  template <class Iterator> static void increment(Iterator &I) {
    I = std::next(getBundleFinal(I));
  }

/// Decrement forward ilist iterator.
  template <class Iterator> static void decrement(Iterator &I) {
    I = getBundleBegin(std::prev(I));
  }
};

template <> struct MachineInstrBundleIteratorHelper<true> {
  /// Get the beginning of the current bundle.
  template <class Iterator> static Iterator getBundleBegin(Iterator I) {
    return MachineInstrBundleIteratorHelper<false>::getBundleBegin(
               I.getReverse())
        .getReverse();
  }

/// Get the final node of the current bundle.
  template <class Iterator> static Iterator getBundleFinal(Iterator I) {
    return MachineInstrBundleIteratorHelper<false>::getBundleFinal(
               I.getReverse())
        .getReverse();
  }

/// Increment reverse ilist iterator.
  template <class Iterator> static void increment(Iterator &I) {
    I = getBundleBegin(std::next(I));
  }

/// Decrement reverse ilist iterator.
  template <class Iterator> static void decrement(Iterator &I) {
    I = std::prev(getBundleFinal(I));
  }
};

/// MachineBasicBlock iterator that automatically skips over MIs that are
/// inside bundles (i.e. walk top level MIs only).
template <typename Ty, bool IsReverse = false>
class MachineInstrBundleIterator : MachineInstrBundleIteratorHelper<IsReverse> {
  using Traits = MachineInstrBundleIteratorTraits<Ty, IsReverse>;
  using instr_iterator = typename Traits::instr_iterator;

instr_iterator MII;

public:
  using value_type = typename instr_iterator::value_type;
  using difference_type = typename instr_iterator::difference_type;
  using pointer = typename instr_iterator::pointer;
  using reference = typename instr_iterator::reference;
  using const_pointer = typename instr_iterator::const_pointer;
  using const_reference = typename instr_iterator::const_reference;
  using iterator_category = std::bidirectional_iterator_tag;

private:
  using nonconst_instr_iterator = typename Traits::nonconst_instr_iterator;
  using const_instr_iterator = typename Traits::const_instr_iterator;
  using nonconst_iterator =
      MachineInstrBundleIterator<typename nonconst_instr_iterator::value_type,
                                 IsReverse>;
  using reverse_iterator = MachineInstrBundleIterator<Ty, !IsReverse>;

public:
  MachineInstrBundleIterator(instr_iterator MI) : MII(MI) {
    assert((!MI.getNodePtr() || MI.isEnd() || !MI->isBundledWithPred()) &&
           "It's not legal to initialize MachineInstrBundleIterator with a "
           "bundled MI");
  }

MachineInstrBundleIterator(reference MI) : MII(MI) {
    assert(!MI.isBundledWithPred() && "It's not legal to initialize "
                                      "MachineInstrBundleIterator with a "
                                      "bundled MI");
  }

MachineInstrBundleIterator(pointer MI) : MII(MI) {
    // FIXME: This conversion should be explicit.
    assert((!MI || !MI->isBundledWithPred()) && "It's not legal to initialize "
                                                "MachineInstrBundleIterator "
                                                "with a bundled MI");
  }

// Template allows conversion from const to nonconst.
  template <class OtherTy>
  MachineInstrBundleIterator(
      const MachineInstrBundleIterator<OtherTy, IsReverse> &I,
      std::enable_if_t<std::is_convertible<OtherTy *, Ty *>::value, void *> =
          nullptr)
      : MII(I.getInstrIterator()) {}

MachineInstrBundleIterator() : MII(nullptr) {}

/// Explicit conversion between forward/reverse iterators.
  ///
  /// Translate between forward and reverse iterators without changing range
  /// boundaries.  The resulting iterator will dereference (and have a handle)
  /// to the previous node, which is somewhat unexpected; but converting the
  /// two endpoints in a range will give the same range in reverse.
  ///
  /// This matches std::reverse_iterator conversions.
  explicit MachineInstrBundleIterator(
      const MachineInstrBundleIterator<Ty, !IsReverse> &I)
      : MachineInstrBundleIterator(++I.getReverse()) {}

/// Get the bundle iterator for the given instruction's bundle.
  static MachineInstrBundleIterator getAtBundleBegin(instr_iterator MI) {
    return MachineInstrBundleIteratorHelper<IsReverse>::getBundleBegin(MI);
  }

reference operator*() const { return *MII; }
  pointer operator->() const { return &operator*(); }

/// Check for null.
  bool isValid() const { return MII.getNodePtr(); }

friend bool operator==(const MachineInstrBundleIterator &L,
                         const MachineInstrBundleIterator &R) {
    return L.MII == R.MII;
  }
  friend bool operator==(const MachineInstrBundleIterator &L,
                         const const_instr_iterator &R) {
    return L.MII == R; // Avoid assertion about validity of R.
  }
  friend bool operator==(const const_instr_iterator &L,
                         const MachineInstrBundleIterator &R) {
    return L == R.MII; // Avoid assertion about validity of L.
  }
  friend bool operator==(const MachineInstrBundleIterator &L,
                         const nonconst_instr_iterator &R) {
    return L.MII == R; // Avoid assertion about validity of R.
  }
  friend bool operator==(const nonconst_instr_iterator &L,
                         const MachineInstrBundleIterator &R) {
    return L == R.MII; // Avoid assertion about validity of L.
  }
  friend bool operator==(const MachineInstrBundleIterator &L, const_pointer R) {
    return L == const_instr_iterator(R); // Avoid assertion about validity of R.
  }
  friend bool operator==(const_pointer L, const MachineInstrBundleIterator &R) {
    return const_instr_iterator(L) == R; // Avoid assertion about validity of L.
  }
  friend bool operator==(const MachineInstrBundleIterator &L,
                         const_reference R) {
    return L == &R; // Avoid assertion about validity of R.
  }
  friend bool operator==(const_reference L,
                         const MachineInstrBundleIterator &R) {
    return &L == R; // Avoid assertion about validity of L.
  }

friend bool operator!=(const MachineInstrBundleIterator &L,
                         const MachineInstrBundleIterator &R) {
    return !(L == R);
  }
  friend bool operator!=(const MachineInstrBundleIterator &L,
                         const const_instr_iterator &R) {
    return !(L == R);
  }
  friend bool operator!=(const const_instr_iterator &L,
                         const MachineInstrBundleIterator &R) {
    return !(L == R);
  }
  friend bool operator!=(const MachineInstrBundleIterator &L,
                         const nonconst_instr_iterator &R) {
    return !(L == R);
  }
  friend bool operator!=(const nonconst_instr_iterator &L,
                         const MachineInstrBundleIterator &R) {
    return !(L == R);
  }
  friend bool operator!=(const MachineInstrBundleIterator &L, const_pointer R) {
    return !(L == R);
  }
  friend bool operator!=(const_pointer L, const MachineInstrBundleIterator &R) {
    return !(L == R);
  }
  friend bool operator!=(const MachineInstrBundleIterator &L,
                         const_reference R) {
    return !(L == R);
  }
  friend bool operator!=(const_reference L,
                         const MachineInstrBundleIterator &R) {
    return !(L == R);
  }

// Increment and decrement operators...
  MachineInstrBundleIterator &operator--() {
    this->decrement(MII);
    return *this;
  }
  MachineInstrBundleIterator &operator++() {
    this->increment(MII);
    return *this;
  }
  MachineInstrBundleIterator operator--(int) {
    MachineInstrBundleIterator Temp = *this;
    --*this;
    return Temp;
  }
  MachineInstrBundleIterator operator++(int) {
    MachineInstrBundleIterator Temp = *this;
    ++*this;
    return Temp;
  }

instr_iterator getInstrIterator() const { return MII; }

nonconst_iterator getNonConstIterator() const { return MII.getNonConst(); }

/// Get a reverse iterator to the same node.
  ///
  /// Gives a reverse iterator that will dereference (and have a handle) to the
  /// same node.  Converting the endpoint iterators in a range will give a
  /// different range; for range operations, use the explicit conversions.
  reverse_iterator getReverse() const { return MII.getReverse(); }
};

} // end namespace llvm

#endif // LLVM_CODEGEN_MACHINEINSTRBUNDLEITERATOR_H

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