1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitWriter.cpp b/llvm/lib/Bitcode/Writer/BitWriter.cpp
new file mode 100644
index 0000000000000..be59c1f928360
--- /dev/null
+++ b/llvm/lib/Bitcode/Writer/BitWriter.cpp
@@ -0,0 +1,49 @@
+//===-- BitWriter.cpp -----------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/BitWriter.h"
+#include "llvm/Bitcode/BitcodeWriter.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+
+/*===-- Operations on modules ---------------------------------------------===*/
+
+int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) {
+  std::error_code EC;
+  raw_fd_ostream OS(Path, EC, sys::fs::OF_None);
+
+  if (EC)
+    return -1;
+
+  WriteBitcodeToFile(*unwrap(M), OS);
+  return 0;
+}
+
+int LLVMWriteBitcodeToFD(LLVMModuleRef M, int FD, int ShouldClose,
+                         int Unbuffered) {
+  raw_fd_ostream OS(FD, ShouldClose, Unbuffered);
+
+  WriteBitcodeToFile(*unwrap(M), OS);
+  return 0;
+}
+
+int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
+  return LLVMWriteBitcodeToFD(M, FileHandle, true, false);
+}
+
+LLVMMemoryBufferRef LLVMWriteBitcodeToMemoryBuffer(LLVMModuleRef M) {
+  std::string Data;
+  raw_string_ostream OS(Data);
+
+  WriteBitcodeToFile(*unwrap(M), OS);
+  return wrap(MemoryBuffer::getMemBufferCopy(OS.str()).release());
+}