+(** Bitcode writer.
+
+ This interface provides an OCaml API for the LLVM bitcode writer, the
+ classes in the Bitwriter library. *)
+
+(** [write_bitcode_file m path] writes the bitcode for module [m] to the file at
+ [path]. Returns [true] if successful, [false] otherwise. *)
+external write_bitcode_file
+ : Llvm.llmodule -> string -> bool
+ = "llvm_write_bitcode_file"
+
+(** [write_bitcode_to_fd ~unbuffered fd m] writes the bitcode for module
+ [m] to the channel [c]. If [unbuffered] is [true], after every write the fd
+ will be flushed. Returns [true] if successful, [false] otherwise. *)
+external write_bitcode_to_fd
+ : ?unbuffered:bool -> Llvm.llmodule -> Unix.file_descr -> bool
+ = "llvm_write_bitcode_to_fd"
+
+(** [write_bitcode_to_memory_buffer m] returns a memory buffer containing
+ the bitcode for module [m]. *)
+external write_bitcode_to_memory_buffer
+ : Llvm.llmodule -> Llvm.llmemorybuffer
+ = "llvm_write_bitcode_to_memory_buffer"