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Merge clang 7.0.1 and several follow-up changes
[FreeBSD/FreeBSD.git] / contrib / llvm / lib / Bitcode / Writer / BitWriter.cpp
1 //===-- BitWriter.cpp -----------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm-c/BitWriter.h"
11 #include "llvm/Bitcode/BitcodeWriter.h"
12 #include "llvm/IR/Module.h"
13 #include "llvm/Support/FileSystem.h"
14 #include "llvm/Support/MemoryBuffer.h"
15 #include "llvm/Support/raw_ostream.h"
16 using namespace llvm;
17
18
19 /*===-- Operations on modules ---------------------------------------------===*/
20
21 int LLVMWriteBitcodeToFile(LLVMModuleRef M, const char *Path) {
22   std::error_code EC;
23   raw_fd_ostream OS(Path, EC, sys::fs::F_None);
24
25   if (EC)
26     return -1;
27
28   WriteBitcodeToFile(*unwrap(M), OS);
29   return 0;
30 }
31
32 int LLVMWriteBitcodeToFD(LLVMModuleRef M, int FD, int ShouldClose,
33                          int Unbuffered) {
34   raw_fd_ostream OS(FD, ShouldClose, Unbuffered);
35
36   WriteBitcodeToFile(*unwrap(M), OS);
37   return 0;
38 }
39
40 int LLVMWriteBitcodeToFileHandle(LLVMModuleRef M, int FileHandle) {
41   return LLVMWriteBitcodeToFD(M, FileHandle, true, false);
42 }
43
44 LLVMMemoryBufferRef LLVMWriteBitcodeToMemoryBuffer(LLVMModuleRef M) {
45   std::string Data;
46   raw_string_ostream OS(Data);
47
48   WriteBitcodeToFile(*unwrap(M), OS);
49   return wrap(MemoryBuffer::getMemBufferCopy(OS.str()).release());
50 }