[OCaml] Expose Llvm_bitwriter.write_bitcode_to_memory_buffer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220844 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 28 insertions, 13 deletions

diff --git a/bindings/ocaml/bitwriter/bitwriter_ocaml.c b/bindings/ocaml/bitwriter/bitwriter_ocaml.c
index 1045c2344a7..f20fd59fd31 100644
--- a/bindings/ocaml/bitwriter/bitwriter_ocaml.c
+++ b/bindings/ocaml/bitwriter/bitwriter_ocaml.c
@@ -43,3 +43,8 @@ CAMLprim value llvm_write_bitcode_to_fd(value U, LLVMModuleRef M, value FD) {
   Result = LLVMWriteBitcodeToFD(M, Int_val(FD), 0, Unbuffered);
   return Val_bool(Result == 0);
 }
+
+/* Llvm.llmodule -> Llvm.llmemorybuffer */
+CAMLprim LLVMMemoryBufferRef llvm_write_bitcode_to_memory_buffer(LLVMModuleRef M) {
+  return LLVMWriteBitcodeToMemoryBuffer(M);
+}
diff --git a/bindings/ocaml/bitwriter/llvm_bitwriter.ml b/bindings/ocaml/bitwriter/llvm_bitwriter.ml
index fac85538dba..fca6efa4a75 100644
--- a/bindings/ocaml/bitwriter/llvm_bitwriter.ml
+++ b/bindings/ocaml/bitwriter/llvm_bitwriter.ml
@@ -1,4 +1,4 @@
-(*===-- llvm_bitwriter.ml - LLVM OCaml Interface ----------------*- C++ -*-===*
+(*===-- llvm_bitwriter.ml - LLVM OCaml Interface --------------*- OCaml -*-===*
  *
  *                     The LLVM Compiler Infrastructure
  *
@@ -12,14 +12,17 @@
  *
  *===----------------------------------------------------------------------===*)
 
+external write_bitcode_file
+  : Llvm.llmodule -> string -> bool
+  = "llvm_write_bitcode_file"
 
-(* Writes the bitcode for module the given path. Returns true if successful. *)
-external write_bitcode_file : Llvm.llmodule -> string -> bool
-                            = "llvm_write_bitcode_file"
+external write_bitcode_to_fd
+  : ?unbuffered:bool -> Llvm.llmodule -> Unix.file_descr -> bool
+  = "llvm_write_bitcode_to_fd"
 
-external write_bitcode_to_fd : ?unbuffered:bool -> Llvm.llmodule
-                               -> Unix.file_descr -> bool
-                             = "llvm_write_bitcode_to_fd"
+external write_bitcode_to_memory_buffer
+  : Llvm.llmodule -> Llvm.llmemorybuffer
+  = "llvm_write_bitcode_to_memory_buffer"
 
 let output_bitcode ?unbuffered channel m =
   write_bitcode_to_fd ?unbuffered m (Unix.descr_of_out_channel channel)
diff --git a/bindings/ocaml/bitwriter/llvm_bitwriter.mli b/bindings/ocaml/bitwriter/llvm_bitwriter.mli
index bb3e3b89456..3d0f7808225 100644
--- a/bindings/ocaml/bitwriter/llvm_bitwriter.mli
+++ b/bindings/ocaml/bitwriter/llvm_bitwriter.mli
@@ -1,4 +1,4 @@
-(*===-- llvm_bitwriter.mli - LLVM OCaml Interface ---------------*- C++ -*-===*
+(*===-- llvm_bitwriter.mli - LLVM OCaml Interface -------------*- OCaml -*-===*
  *
  *                     The LLVM Compiler Infrastructure
  *
@@ -14,15 +14,22 @@
 
 (** [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"
+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"
+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"
 
 (** [output_bitcode ~unbuffered c m] writes the bitcode for module [m]
     to the channel [c]. If [unbuffered] is [true], after every write the fd