Function LLVMDIBuilderCreateFileWithChecksum 

pub unsafe extern "C" fn LLVMDIBuilderCreateFileWithChecksum(
    Builder: LLVMDIBuilderRef,
    Filename: *const c_char,
    FilenameLen: size_t,
    Directory: *const c_char,
    DirectoryLen: size_t,
    ChecksumKind: LLVMChecksumKind,
    Checksum: *const c_char,
    ChecksumLen: size_t,
    Source: *const c_char,
    SourceLen: size_t,
) -> LLVMMetadataRef

Create a file descriptor to hold debugging information for a file.