/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/Analysis/ProgramPoint.h

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//==- ProgramPoint.h - Program Points for Path-Sensitive Analysis --*- 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 interface ProgramPoint, which identifies a
//  distinct location in a function.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_ANALYSIS_PROGRAMPOINT_H
#define LLVM_CLANG_ANALYSIS_PROGRAMPOINT_H

#include "clang/Analysis/AnalysisDeclContext.h"
#include "clang/Analysis/CFG.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/DataTypes.h"
#include <cassert>
#include <string>
#include <utility>

namespace clang {

class AnalysisDeclContext;
class LocationContext;

/// ProgramPoints can be "tagged" as representing points specific to a given
/// analysis entity.  Tags are abstract annotations, with an associated
/// description and potentially other information.
class ProgramPointTag {
public:
  ProgramPointTag(void *tagKind = nullptr) : TagKind(tagKind) {}
  virtual ~ProgramPointTag();
  virtual StringRef getTagDescription() const = 0;

  /// Used to implement 'isKind' in subclasses.
  const void *getTagKind() const { return TagKind; }

private:
  const void *const TagKind;
};

class SimpleProgramPointTag : public ProgramPointTag {
  std::string Desc;
public:
  SimpleProgramPointTag(StringRef MsgProvider, StringRef Msg);
  StringRef getTagDescription() const override;
};

class ProgramPoint {
public:
  enum Kind { BlockEdgeKind,
              BlockEntranceKind,
              BlockExitKind,
              PreStmtKind,
              PreStmtPurgeDeadSymbolsKind,
              PostStmtPurgeDeadSymbolsKind,
              PostStmtKind,
              PreLoadKind,
              PostLoadKind,
              PreStoreKind,
              PostStoreKind,
              PostConditionKind,
              PostLValueKind,
              PostAllocatorCallKind,
              MinPostStmtKind = PostStmtKind,
              MaxPostStmtKind = PostAllocatorCallKind,
              PostInitializerKind,
              CallEnterKind,
              CallExitBeginKind,
              CallExitEndKind,
              FunctionExitKind,
              PreImplicitCallKind,
              PostImplicitCallKind,
              MinImplicitCallKind = PreImplicitCallKind,
              MaxImplicitCallKind = PostImplicitCallKind,
              LoopExitKind,
              EpsilonKind};

private:
  const void *Data1;
  llvm::PointerIntPair<const void *, 2, unsigned> Data2;

  // The LocationContext could be NULL to allow ProgramPoint to be used in
  // context insensitive analysis.
  llvm::PointerIntPair<const LocationContext *, 2, unsigned> L;

  llvm::PointerIntPair<const ProgramPointTag *, 2, unsigned> Tag;

protected:
  ProgramPoint() = default;
  ProgramPoint(const void *P,
               Kind k,
               const LocationContext *l,
               const ProgramPointTag *tag = nullptr)
    : Data1(P),
      Data2(nullptr, (((unsigned) k) >> 0) & 0x3),
      L(l, (((unsigned) k) >> 2) & 0x3),
      Tag(tag, (((unsigned) k) >> 4) & 0x3) {
        assert(getKind() == k);
        assert(getLocationContext() == l);
        assert(getData1() == P);
      }

  ProgramPoint(const void *P1,
               const void *P2,
               Kind k,
               const LocationContext *l,
               const ProgramPointTag *tag = nullptr)
    : Data1(P1),
      Data2(P2, (((unsigned) k) >> 0) & 0x3),
      L(l, (((unsigned) k) >> 2) & 0x3),
      Tag(tag, (((unsigned) k) >> 4) & 0x3) {}

protected:
  const void *getData1() const { return Data1; }
  const void *getData2() const { return Data2.getPointer(); }
  void setData2(const void *d) { Data2.setPointer(d); }

public:
  /// Create a new ProgramPoint object that is the same as the original
  /// except for using the specified tag value.
  ProgramPoint withTag(const ProgramPointTag *tag) const {
    return ProgramPoint(getData1(), getData2(), getKind(),
                        getLocationContext(), tag);
  }

  /// Convert to the specified ProgramPoint type, asserting that this
  /// ProgramPoint is of the desired type.
  template<typename T>
  T castAs() const {
    assert(T::isKind(*this));
    T t;
    ProgramPoint& PP = t;
    PP = *this;
    return t;
  }

  /// Convert to the specified ProgramPoint type, returning None if this
  /// ProgramPoint is not of the desired type.
  template<typename T>
  Optional<T> getAs() const {
    if (!T::isKind(*this))
      return None;
    T t;
    ProgramPoint& PP = t;
    PP = *this;
    return t;
  }

  Kind getKind() const {
    unsigned x = Tag.getInt();
    x <<= 2;
    x |= L.getInt();
    x <<= 2;
    x |= Data2.getInt();
    return (Kind) x;
  }

  /// Is this a program point corresponding to purge/removal of dead
  /// symbols and bindings.
  bool isPurgeKind() {
    Kind K = getKind();
    return (K == PostStmtPurgeDeadSymbolsKind ||
            K == PreStmtPurgeDeadSymbolsKind);
  }

  const ProgramPointTag *getTag() const { return Tag.getPointer(); }

  const LocationContext *getLocationContext() const {
    return L.getPointer();
  }

  const StackFrameContext *getStackFrame() const {
    return getLocationContext()->getStackFrame();
  }

  // For use with DenseMap.  This hash is probably slow.
  unsigned getHashValue() const {
    llvm::FoldingSetNodeID ID;
    Profile(ID);
    return ID.ComputeHash();
  }

  bool operator==(const ProgramPoint & RHS) const {
    return Data1 == RHS.Data1 &&
           Data2 == RHS.Data21.15M &&
           L == RHS.L479k &&
           Tag == RHS.Tag479k;
  }

  bool operator!=(const ProgramPoint &RHS) const {
    return Data1 != RHS.Data1 ||
           Data2 != RHS.Data2 ||
           L != RHS.L ||
           Tag != RHS.Tag;
  }

  void Profile(llvm::FoldingSetNodeID& ID) const {
    ID.AddInteger((unsigned) getKind());
    ID.AddPointer(getData1());
    ID.AddPointer(getData2());
    ID.AddPointer(getLocationContext());
    ID.AddPointer(getTag());
  }

  void printJson(llvm::raw_ostream &Out, const char *NL = "\n") const;

  LLVM_DUMP_METHOD void dump() const;

  static ProgramPoint getProgramPoint(const Stmt *S, ProgramPoint::Kind K,
                                      const LocationContext *LC,
                                      const ProgramPointTag *tag);
};

class BlockEntrance : public ProgramPoint {
public:
  BlockEntrance(const CFGBlock *B, const LocationContext *L,
                const ProgramPointTag *tag = nullptr)
    : ProgramPoint(B, BlockEntranceKind, L, tag) {
    assert(B && "BlockEntrance requires non-null block");
  }

  const CFGBlock *getBlock() const {
    return reinterpret_cast<const CFGBlock*>(getData1());
  }

  Optional<CFGElement> getFirstElement() const {
    const CFGBlock *B = getBlock();
    return B->empty() ? Optional<CFGElement>()13.2k : B->front()126k;
  }

private:
  friend class ProgramPoint;
  BlockEntrance() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == BlockEntranceKind;
  }
};

class BlockExit : public ProgramPoint {
public:
  BlockExit(const CFGBlock *B, const LocationContext *L)
    : ProgramPoint(B, BlockExitKind, L) {}

  const CFGBlock *getBlock() const {
    return reinterpret_cast<const CFGBlock*>(getData1());
  }

  const Stmt *getTerminator() const {
    return getBlock()->getTerminatorStmt();
  }

private:
  friend class ProgramPoint;
  BlockExit() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == BlockExitKind;
  }
};

class StmtPoint : public ProgramPoint {
public:
  StmtPoint(const Stmt *S, const void *p2, Kind k, const LocationContext *L,
            const ProgramPointTag *tag)
    : ProgramPoint(S, p2, k, L, tag) {
    assert(S);
  }

  const Stmt *getStmt() const { return (const Stmt*) getData1(); }

  template <typename T>
  const T* getStmtAs() const { return dyn_cast<T>(getStmt()); }

protected:
  StmtPoint() = default;
private:
  friend class ProgramPoint;
  static bool isKind(const ProgramPoint &Location) {
    unsigned k = Location.getKind();
    return k >= PreStmtKind && k <= MaxPostStmtKind7.04M;
  }
};


class PreStmt : public StmtPoint {
public:
  PreStmt(const Stmt *S, const LocationContext *L, const ProgramPointTag *tag,
          const Stmt *SubStmt = nullptr)
    : StmtPoint(S, SubStmt, PreStmtKind, L, tag) {}

  const Stmt *getSubStmt() const { return (const Stmt*) getData2(); }

private:
  friend class ProgramPoint;
  PreStmt() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PreStmtKind;
  }
};

class PostStmt : public StmtPoint {
protected:
  PostStmt() = default;
  PostStmt(const Stmt *S, const void *data, Kind k, const LocationContext *L,
           const ProgramPointTag *tag = nullptr)
    : StmtPoint(S, data, k, L, tag) {}

public:
  explicit PostStmt(const Stmt *S, Kind k, const LocationContext *L,
                    const ProgramPointTag *tag = nullptr)
    : StmtPoint(S, nullptr, k, L, tag) {}

  explicit PostStmt(const Stmt *S, const LocationContext *L,
                    const ProgramPointTag *tag = nullptr)
    : StmtPoint(S, nullptr, PostStmtKind, L, tag) {}

private:
  friend class ProgramPoint;
  static bool isKind(const ProgramPoint &Location) {
    unsigned k = Location.getKind();
    return k >= MinPostStmtKind && k <= MaxPostStmtKind6.30M;
  }
};

class FunctionExitPoint : public ProgramPoint {
public:
  explicit FunctionExitPoint(const ReturnStmt *S,
                             const LocationContext *LC,
                             const ProgramPointTag *tag = nullptr)
      : ProgramPoint(S, FunctionExitKind, LC, tag) {}

  const CFGBlock *getBlock() const {
    return &getLocationContext()->getCFG()->getExit();
  }

  const ReturnStmt *getStmt() const {
    return reinterpret_cast<const ReturnStmt *>(getData1());
  }

private:
  friend class ProgramPoint;
  FunctionExitPoint() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == FunctionExitKind;
  }
};

// PostCondition represents the post program point of a branch condition.
class PostCondition : public PostStmt {
public:
  PostCondition(const Stmt *S, const LocationContext *L,
                const ProgramPointTag *tag = nullptr)
    : PostStmt(S, PostConditionKind, L, tag) {}

private:
  friend class ProgramPoint;
  PostCondition() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostConditionKind;
  }
};

class LocationCheck : public StmtPoint {
protected:
  LocationCheck() = default;
  LocationCheck(const Stmt *S, const LocationContext *L,
                ProgramPoint::Kind K, const ProgramPointTag *tag)
    : StmtPoint(S, nullptr, K, L, tag) {}

private:
  friend class ProgramPoint;
  static bool isKind(const ProgramPoint &location) {
    unsigned k = location.getKind();
    return k == PreLoadKind || k == PreStoreKind;
  }
};

class PreLoad : public LocationCheck {
public:
  PreLoad(const Stmt *S, const LocationContext *L,
          const ProgramPointTag *tag = nullptr)
    : LocationCheck(S, L, PreLoadKind, tag) {}

private:
  friend class ProgramPoint;
  PreLoad() = default;
  static bool isKind(const ProgramPoint &location) {
    return location.getKind() == PreLoadKind;
  }
};

class PreStore : public LocationCheck {
public:
  PreStore(const Stmt *S, const LocationContext *L,
           const ProgramPointTag *tag = nullptr)
  : LocationCheck(S, L, PreStoreKind, tag) {}

private:
  friend class ProgramPoint;
  PreStore() = default;
  static bool isKind(const ProgramPoint &location) {
    return location.getKind() == PreStoreKind;
  }
};

class PostLoad : public PostStmt {
public:
  PostLoad(const Stmt *S, const LocationContext *L,
           const ProgramPointTag *tag = nullptr)
    : PostStmt(S, PostLoadKind, L, tag) {}

private:
  friend class ProgramPoint;
  PostLoad() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostLoadKind;
  }
};

/// Represents a program point after a store evaluation.
class PostStore : public PostStmt {
public:
  /// Construct the post store point.
  /// \param Loc can be used to store the information about the location
  /// used in the form it was uttered in the code.
  PostStore(const Stmt *S, const LocationContext *L, const void *Loc,
            const ProgramPointTag *tag = nullptr)
    : PostStmt(S, PostStoreKind, L, tag) {
    assert(getData2() == nullptr);
    setData2(Loc);
  }

  /// Returns the information about the location used in the store,
  /// how it was uttered in the code.
  const void *getLocationValue() const {
    return getData2();
  }

private:
  friend class ProgramPoint;
  PostStore() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostStoreKind;
  }
};

class PostLValue : public PostStmt {
public:
  PostLValue(const Stmt *S, const LocationContext *L,
             const ProgramPointTag *tag = nullptr)
    : PostStmt(S, PostLValueKind, L, tag) {}

private:
  friend class ProgramPoint;
  PostLValue() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostLValueKind;
  }
};

/// Represents a point after we ran remove dead bindings BEFORE
/// processing the given statement.
class PreStmtPurgeDeadSymbols : public StmtPoint {
public:
  PreStmtPurgeDeadSymbols(const Stmt *S, const LocationContext *L,
                       const ProgramPointTag *tag = nullptr)
    : StmtPoint(S, nullptr, PreStmtPurgeDeadSymbolsKind, L, tag) { }

private:
  friend class ProgramPoint;
  PreStmtPurgeDeadSymbols() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PreStmtPurgeDeadSymbolsKind;
  }
};

/// Represents a point after we ran remove dead bindings AFTER
/// processing the  given statement.
class PostStmtPurgeDeadSymbols : public StmtPoint {
public:
  PostStmtPurgeDeadSymbols(const Stmt *S, const LocationContext *L,
                       const ProgramPointTag *tag = nullptr)
    : StmtPoint(S, nullptr, PostStmtPurgeDeadSymbolsKind, L, tag) { }

private:
  friend class ProgramPoint;
  PostStmtPurgeDeadSymbols() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostStmtPurgeDeadSymbolsKind;
  }
};

class BlockEdge : public ProgramPoint {
public:
  BlockEdge(const CFGBlock *B1, const CFGBlock *B2, const LocationContext *L)
    : ProgramPoint(B1, B2, BlockEdgeKind, L) {
    assert(B1 && "BlockEdge: source block must be non-null");
    assert(B2 && "BlockEdge: destination block must be non-null");
  }

  const CFGBlock *getSrc() const {
    return static_cast<const CFGBlock*>(getData1());
  }

  const CFGBlock *getDst() const {
    return static_cast<const CFGBlock*>(getData2());
  }

private:
  friend class ProgramPoint;
  BlockEdge() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == BlockEdgeKind;
  }
};

class PostInitializer : public ProgramPoint {
public:
  /// Construct a PostInitializer point that represents a location after
  ///   CXXCtorInitializer expression evaluation.
  ///
  /// \param I The initializer.
  /// \param Loc The location of the field being initialized.
  PostInitializer(const CXXCtorInitializer *I,
                  const void *Loc,
                  const LocationContext *L)
    : ProgramPoint(I, Loc, PostInitializerKind, L) {}

  const CXXCtorInitializer *getInitializer() const {
    return static_cast<const CXXCtorInitializer *>(getData1());
  }

  /// Returns the location of the field.
  const void *getLocationValue() const {
    return getData2();
  }

private:
  friend class ProgramPoint;
  PostInitializer() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostInitializerKind;
  }
};

/// Represents an implicit call event.
///
/// The nearest statement is provided for diagnostic purposes.
class ImplicitCallPoint : public ProgramPoint {
public:
  ImplicitCallPoint(const Decl *D, SourceLocation Loc, Kind K,
                    const LocationContext *L, const ProgramPointTag *Tag)
    : ProgramPoint(Loc.getPtrEncoding(), D, K, L, Tag) {}

  const Decl *getDecl() const { return static_cast<const Decl *>(getData2()); }
  SourceLocation getLocation() const {
    return SourceLocation::getFromPtrEncoding(getData1());
  }

protected:
  ImplicitCallPoint() = default;
private:
  friend class ProgramPoint;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() >= MinImplicitCallKind &&
           Location.getKind() <= MaxImplicitCallKind;
  }
};

/// Represents a program point just before an implicit call event.
///
/// Explicit calls will appear as PreStmt program points.
class PreImplicitCall : public ImplicitCallPoint {
public:
  PreImplicitCall(const Decl *D, SourceLocation Loc, const LocationContext *L,
                  const ProgramPointTag *Tag = nullptr)
    : ImplicitCallPoint(D, Loc, PreImplicitCallKind, L, Tag) {}

private:
  friend class ProgramPoint;
  PreImplicitCall() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PreImplicitCallKind;
  }
};

/// Represents a program point just after an implicit call event.
///
/// Explicit calls will appear as PostStmt program points.
class PostImplicitCall : public ImplicitCallPoint {
public:
  PostImplicitCall(const Decl *D, SourceLocation Loc, const LocationContext *L,
                   const ProgramPointTag *Tag = nullptr)
    : ImplicitCallPoint(D, Loc, PostImplicitCallKind, L, Tag) {}

private:
  friend class ProgramPoint;
  PostImplicitCall() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostImplicitCallKind;
  }
};

class PostAllocatorCall : public StmtPoint {
public:
  PostAllocatorCall(const Stmt *S, const LocationContext *L,
                    const ProgramPointTag *Tag = nullptr)
      : StmtPoint(S, nullptr, PostAllocatorCallKind, L, Tag) {}

private:
  friend class ProgramPoint;
  PostAllocatorCall() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == PostAllocatorCallKind;
  }
};

/// Represents a point when we begin processing an inlined call.
/// CallEnter uses the caller's location context.
class CallEnter : public ProgramPoint {
public:
  CallEnter(const Stmt *stmt, const StackFrameContext *calleeCtx,
            const LocationContext *callerCtx)
    : ProgramPoint(stmt, calleeCtx, CallEnterKind, callerCtx, nullptr) {}

  const Stmt *getCallExpr() const {
    return static_cast<const Stmt *>(getData1());
  }

  const StackFrameContext *getCalleeContext() const {
    return static_cast<const StackFrameContext *>(getData2());
  }

  /// Returns the entry block in the CFG for the entered function.
  const CFGBlock *getEntry() const {
    const StackFrameContext *CalleeCtx = getCalleeContext();
    const CFG *CalleeCFG = CalleeCtx->getCFG();
    return &(CalleeCFG->getEntry());
  }

private:
  friend class ProgramPoint;
  CallEnter() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == CallEnterKind;
  }
};

/// Represents a point when we start the call exit sequence (for inlined call).
///
/// The call exit is simulated with a sequence of nodes, which occur between
/// CallExitBegin and CallExitEnd. The following operations occur between the
/// two program points:
/// - CallExitBegin
/// - Bind the return value
/// - Run Remove dead bindings (to clean up the dead symbols from the callee).
/// - CallExitEnd
class CallExitBegin : public ProgramPoint {
public:
  // CallExitBegin uses the callee's location context.
  CallExitBegin(const StackFrameContext *L, const ReturnStmt *RS)
    : ProgramPoint(RS, CallExitBeginKind, L, nullptr) { }

  const ReturnStmt *getReturnStmt() const {
    return static_cast<const ReturnStmt *>(getData1());
  }

private:
  friend class ProgramPoint;
  CallExitBegin() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == CallExitBeginKind;
  }
};

/// Represents a point when we finish the call exit sequence (for inlined call).
/// \sa CallExitBegin
class CallExitEnd : public ProgramPoint {
public:
  // CallExitEnd uses the caller's location context.
  CallExitEnd(const StackFrameContext *CalleeCtx,
              const LocationContext *CallerCtx)
    : ProgramPoint(CalleeCtx, CallExitEndKind, CallerCtx, nullptr) {}

  const StackFrameContext *getCalleeContext() const {
    return static_cast<const StackFrameContext *>(getData1());
  }

private:
  friend class ProgramPoint;
  CallExitEnd() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == CallExitEndKind;
  }
};

/// Represents a point when we exit a loop.
/// When this ProgramPoint is encountered we can be sure that the symbolic
/// execution of the corresponding LoopStmt is finished on the given path.
/// Note: It is possible to encounter a LoopExit element when we haven't even
/// encountered the loop itself. At the current state not all loop exits will
/// result in a LoopExit program point.
class LoopExit : public ProgramPoint {
public:
    LoopExit(const Stmt *LoopStmt, const LocationContext *LC)
            : ProgramPoint(LoopStmt, nullptr, LoopExitKind, LC) {}

    const Stmt *getLoopStmt() const {
      return static_cast<const Stmt *>(getData1());
    }

private:
    friend class ProgramPoint;
    LoopExit() = default;
    static bool isKind(const ProgramPoint &Location) {
      return Location.getKind() == LoopExitKind;
    }
};

/// This is a meta program point, which should be skipped by all the diagnostic
/// reasoning etc.
class EpsilonPoint : public ProgramPoint {
public:
  EpsilonPoint(const LocationContext *L, const void *Data1,
               const void *Data2 = nullptr,
               const ProgramPointTag *tag = nullptr)
    : ProgramPoint(Data1, Data2, EpsilonKind, L, tag) {}

  const void *getData() const { return getData1(); }

private:
  friend class ProgramPoint;
  EpsilonPoint() = default;
  static bool isKind(const ProgramPoint &Location) {
    return Location.getKind() == EpsilonKind;
  }
};

} // end namespace clang


namespace llvm { // Traits specialization for DenseMap

template <> struct DenseMapInfo<clang::ProgramPoint> {

static inline clang::ProgramPoint getEmptyKey() {
  uintptr_t x =
   reinterpret_cast<uintptr_t>(DenseMapInfo<void*>::getEmptyKey()) & ~0x7;
  return clang::BlockEntrance(reinterpret_cast<clang::CFGBlock*>(x), nullptr);
}

static inline clang::ProgramPoint getTombstoneKey() {
  uintptr_t x =
   reinterpret_cast<uintptr_t>(DenseMapInfo<void*>::getTombstoneKey()) & ~0x7;
  return clang::BlockEntrance(reinterpret_cast<clang::CFGBlock*>(x), nullptr);
}

static unsigned getHashValue(const clang::ProgramPoint &Loc) {
  return Loc.getHashValue();
}

static bool isEqual(const clang::ProgramPoint &L,
                    const clang::ProgramPoint &R) {
  return L == R;
}

};

} // end namespace llvm

#endif

Coverage Report

Created: 2022-07-16 07:03