BitWriter.cpp revision 360784 
1//===-- BitWriter.cpp -----------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm-c/BitWriter.h"
10#include "llvm/Bitcode/BitcodeWriter.h"
11#include "llvm/IR/Module.h"
12#include "llvm/Support/FileSystem.h"
13#include "llvm/Support/MemoryBuffer.h"
14#include "llvm/Support/raw_ostream.h"
15using namespace llvm;
16
17
18/*===-- Operations on modules ---------------------------------------------===*/
19
20int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) {
21  std::error_code EC;
22  raw_fd_ostream OS(Path, EC, sys::fs::OF_None);
23
24  if (EC)
25    return -1;
26
27  WriteBitcodeToFile(*unwrap(M), OS);
28  return 0;
29}
30
31int LLVMWriteBitcodeToFD(LLVMModuleRef M, int FD, int ShouldClose,
32                         int Unbuffered) {
33  raw_fd_ostream OS(FD, ShouldClose, Unbuffered);
34
35  WriteBitcodeToFile(*unwrap(M), OS);
36  return 0;
37}
38
39int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
40  return LLVMWriteBitcodeToFD(M, FileHandle, true, false);
41}
42
43LLVMMemoryBufferRef LLVMWriteBitcodeToMemoryBuffer(LLVMModuleRef M) {
44  std::string Data;
45  raw_string_ostream OS(Data);
46
47  WriteBitcodeToFile(*unwrap(M), OS);
48  return wrap(MemoryBuffer::getMemBufferCopy(OS.str()).release());
49}
50