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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: Use.h

//===- llvm/Use.h - Definition of the Use class -----------------*- 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
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This defines the Use class.  The Use class represents the operand of an
/// instruction or some other User instance which refers to a Value.  The Use
/// class keeps the "use list" of the referenced value up to date.
///
/// Pointer tagging is used to efficiently find the User corresponding to a Use
/// without having to store a User pointer in every Use. A User is preceded in
/// memory by all the Uses corresponding to its operands, and the low bits of
/// one of the fields (Prev) of the Use class are used to encode offsets to be
/// able to find that User given a pointer to any Use. For details, see:
///
///   http://www.llvm.org/docs/ProgrammersManual.html#UserLayout
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_USE_H
#define LLVM_IR_USE_H

#include "llvm-c/Types.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/Support/CBindingWrapping.h"
#include "llvm/Support/Compiler.h"

namespace llvm {

template <typename> struct simplify_type;
class User;
class Value;

/// A Use represents the edge between a Value definition and its users.
///
/// This is notionally a two-dimensional linked list. It supports traversing
/// all of the uses for a particular value definition. It also supports jumping
/// directly to the used value when we arrive from the User's operands, and
/// jumping directly to the User when we arrive from the Value's uses.
class Use {
public:
  Use(const Use &U) = delete;

/// Provide a fast substitute to std::swap<Use>
  /// that also works with less standard-compliant compilers
  void swap(Use &RHS);

private:
  /// Destructor - Only for zap()
  ~Use() {
    if (Val)
      removeFromList();
  }

/// Constructor
  Use(User *Parent) : Parent(Parent) {}

public:
  friend class Value;
  friend class User;

operator Value *() const { return Val; }
  Value *get() const { return Val; }

/// Returns the User that contains this Use.
  ///
  /// For an instruction operand, for example, this will return the
  /// instruction.
  User *getUser() const { return Parent; };

inline void set(Value *Val);

inline Value *operator=(Value *RHS);
  inline const Use &operator=(const Use &RHS);

Value *operator->() { return Val; }
  const Value *operator->() const { return Val; }

Use *getNext() const { return Next; }

/// Return the operand # of this use in its User.
  unsigned getOperandNo() const;

/// Destroys Use operands when the number of operands of
  /// a User changes.
  static void zap(Use *Start, const Use *Stop, bool del = false);

private:

Value *Val = nullptr;
  Use *Next = nullptr;
  Use **Prev = nullptr;
  User *Parent = nullptr;

void addToList(Use **List) {
    Next = *List;
    if (Next)
      Next->Prev = &Next;
    Prev = List;
    *Prev = this;
  }

void removeFromList() {
    *Prev = Next;
    if (Next)
      Next->Prev = Prev;
  }
};

/// Allow clients to treat uses just like values when using
/// casting operators.
template <> struct simplify_type<Use> {
  using SimpleType = Value *;

static SimpleType getSimplifiedValue(Use &Val) { return Val.get(); }
};
template <> struct simplify_type<const Use> {
  using SimpleType = /*const*/ Value *;

static SimpleType getSimplifiedValue(const Use &Val) { return Val.get(); }
};

// Create wrappers for C Binding types (see CBindingWrapping.h).
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Use, LLVMUseRef)

} // end namespace llvm

#endif // LLVM_IR_USE_H

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Editing: Use.h

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