llvm::DILabel::getIfExists

static
MDTuple*
getIfExists(
    LLVMContext& Context,
    ArrayRef<Metadata*> MDs);

static
DILabel*
getIfExists(
    LLVMContext& Context,
    DILocalScope* Scope,
    StringRef Name,
    DIFile* File,
    unsigned int Line,
    unsigned int Column,
    bool IsArtificial,
    std::optional<unsigned int> CoroSuspendIdx);

static
DILabel*
getIfExists(
    LLVMContext& Context,
    Metadata* Scope,
    MDString* Name,
    Metadata* File,
    unsigned int Line,
    unsigned int Column,
    bool IsArtificial,
    std::optional<unsigned int> CoroSuspendIdx);