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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: MDBuilder.h

//===---- llvm/MDBuilder.h - Builder for LLVM metadata ----------*- 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 the MDBuilder class, which is used as a convenient way to
// create LLVM metadata with a consistent and simplified interface.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_MDBUILDER_H
#define LLVM_IR_MDBUILDER_H

#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/Support/DataTypes.h"
#include <utility>

namespace llvm {

class APInt;
template <typename T> class ArrayRef;
class LLVMContext;
class Constant;
class ConstantAsMetadata;
class MDNode;
class MDString;
class Metadata;

class MDBuilder {
  LLVMContext &Context;

public:
  MDBuilder(LLVMContext &context) : Context(context) {}

/// Return the given string as metadata.
  MDString *createString(StringRef Str);

/// Return the given constant as metadata.
  ConstantAsMetadata *createConstant(Constant *C);

//===------------------------------------------------------------------===//
  // FPMath metadata.
  //===------------------------------------------------------------------===//

/// Return metadata with the given settings.  The special value 0.0
  /// for the Accuracy parameter indicates the default (maximal precision)
  /// setting.
  MDNode *createFPMath(float Accuracy);

//===------------------------------------------------------------------===//
  // Prof metadata.
  //===------------------------------------------------------------------===//

/// Return metadata containing two branch weights.
  MDNode *createBranchWeights(uint32_t TrueWeight, uint32_t FalseWeight);

/// Return metadata containing a number of branch weights.
  MDNode *createBranchWeights(ArrayRef<uint32_t> Weights);

/// Return metadata specifying that a branch or switch is unpredictable.
  MDNode *createUnpredictable();

/// Return metadata containing the entry \p Count for a function, a boolean
  /// \Synthetic indicating whether the counts were synthetized, and the
  /// GUIDs stored in \p Imports that need to be imported for sample PGO, to
  /// enable the same inlines as the profiled optimized binary
  MDNode *createFunctionEntryCount(uint64_t Count, bool Synthetic,
                                   const DenseSet<GlobalValue::GUID> *Imports);

/// Return metadata containing the section prefix for a function.
  MDNode *createFunctionSectionPrefix(StringRef Prefix);

/// return metadata containing expected value
  MDNode *createMisExpect(uint64_t Index, uint64_t LikelyWeight,
                          uint64_t UnlikelyWeight);

//===------------------------------------------------------------------===//
  // Range metadata.
  //===------------------------------------------------------------------===//

/// Return metadata describing the range [Lo, Hi).
  MDNode *createRange(const APInt &Lo, const APInt &Hi);

/// Return metadata describing the range [Lo, Hi).
  MDNode *createRange(Constant *Lo, Constant *Hi);

//===------------------------------------------------------------------===//
  // Callees metadata.
  //===------------------------------------------------------------------===//

/// Return metadata indicating the possible callees of indirect
  /// calls.
  MDNode *createCallees(ArrayRef<Function *> Callees);

//===------------------------------------------------------------------===//
  // Callback metadata.
  //===------------------------------------------------------------------===//

/// Return metadata describing a callback (see llvm::AbstractCallSite).
  MDNode *createCallbackEncoding(unsigned CalleeArgNo, ArrayRef<int> Arguments,
                                 bool VarArgsArePassed);

/// Merge the new callback encoding \p NewCB into \p ExistingCallbacks.
  MDNode *mergeCallbackEncodings(MDNode *ExistingCallbacks, MDNode *NewCB);

//===------------------------------------------------------------------===//
  // AA metadata.
  //===------------------------------------------------------------------===//

protected:
  /// Return metadata appropriate for a AA root node (scope or TBAA).
  /// Each returned node is distinct from all other metadata and will never
  /// be identified (uniqued) with anything else.
  MDNode *createAnonymousAARoot(StringRef Name = StringRef(),
                                MDNode *Extra = nullptr);

public:
  /// Return metadata appropriate for a TBAA root node. Each returned
  /// node is distinct from all other metadata and will never be identified
  /// (uniqued) with anything else.
  MDNode *createAnonymousTBAARoot() {
    return createAnonymousAARoot();
  }

/// Return metadata appropriate for an alias scope domain node.
  /// Each returned node is distinct from all other metadata and will never
  /// be identified (uniqued) with anything else.
  MDNode *createAnonymousAliasScopeDomain(StringRef Name = StringRef()) {
    return createAnonymousAARoot(Name);
  }

/// Return metadata appropriate for an alias scope root node.
  /// Each returned node is distinct from all other metadata and will never
  /// be identified (uniqued) with anything else.
  MDNode *createAnonymousAliasScope(MDNode *Domain,
                                    StringRef Name = StringRef()) {
    return createAnonymousAARoot(Name, Domain);
  }

/// Return metadata appropriate for a TBAA root node with the given
  /// name.  This may be identified (uniqued) with other roots with the same
  /// name.
  MDNode *createTBAARoot(StringRef Name);

/// Return metadata appropriate for an alias scope domain node with
  /// the given name. This may be identified (uniqued) with other roots with
  /// the same name.
  MDNode *createAliasScopeDomain(StringRef Name);

/// Return metadata appropriate for an alias scope node with
  /// the given name. This may be identified (uniqued) with other scopes with
  /// the same name and domain.
  MDNode *createAliasScope(StringRef Name, MDNode *Domain);

/// Return metadata for a non-root TBAA node with the given name,
  /// parent in the TBAA tree, and value for 'pointsToConstantMemory'.
  MDNode *createTBAANode(StringRef Name, MDNode *Parent,
                         bool isConstant = false);

struct TBAAStructField {
    uint64_t Offset;
    uint64_t Size;
    MDNode *Type;
    TBAAStructField(uint64_t Offset, uint64_t Size, MDNode *Type) :
      Offset(Offset), Size(Size), Type(Type) {}
  };

/// Return metadata for a tbaa.struct node with the given
  /// struct field descriptions.
  MDNode *createTBAAStructNode(ArrayRef<TBAAStructField> Fields);

/// Return metadata for a TBAA struct node in the type DAG
  /// with the given name, a list of pairs (offset, field type in the type DAG).
  MDNode *
  createTBAAStructTypeNode(StringRef Name,
                           ArrayRef<std::pair<MDNode *, uint64_t>> Fields);

/// Return metadata for a TBAA scalar type node with the
  /// given name, an offset and a parent in the TBAA type DAG.
  MDNode *createTBAAScalarTypeNode(StringRef Name, MDNode *Parent,
                                   uint64_t Offset = 0);

/// Return metadata for a TBAA tag node with the given
  /// base type, access type and offset relative to the base type.
  MDNode *createTBAAStructTagNode(MDNode *BaseType, MDNode *AccessType,
                                  uint64_t Offset, bool IsConstant = false);

/// Return metadata for a TBAA type node in the TBAA type DAG with the
  /// given parent type, size in bytes, type identifier and a list of fields.
  MDNode *createTBAATypeNode(MDNode *Parent, uint64_t Size, Metadata *Id,
                             ArrayRef<TBAAStructField> Fields =
                                 ArrayRef<TBAAStructField>());

/// Return metadata for a TBAA access tag with the given base type,
  /// final access type, offset of the access relative to the base type, size of
  /// the access and flag indicating whether the accessed object can be
  /// considered immutable for the purposes of the TBAA analysis.
  MDNode *createTBAAAccessTag(MDNode *BaseType, MDNode *AccessType,
                              uint64_t Offset, uint64_t Size,
                              bool IsImmutable = false);

/// Return mutable version of the given mutable or immutable TBAA
  /// access tag.
  MDNode *createMutableTBAAAccessTag(MDNode *Tag);

/// Return metadata containing an irreducible loop header weight.
  MDNode *createIrrLoopHeaderWeight(uint64_t Weight);
};

} // end namespace llvm

#endif

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