caio/clang-p2996
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Add support for writing LLVM IR to a specified BitstreamWriter.

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Patch by Lukasz Janyst!

llvm-svn: 61251
This commit is contained in:
Chris Lattner
2008-12-19 18:37:59 +00:00
parent b289d4163b
commit af4c0bf44f
3 changed files with 25 additions and 12 deletions
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29
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@@ -1355,7 +1355,23 @@ void llvm::WriteBitcodeToFile(const Module *M, raw_ostream &Out) {
BitstreamWriter Stream(Buffer);
Buffer.reserve(256*1024);
WriteBitcodeToStream( M, Stream );
// If writing to stdout, set binary mode.
if (&llvm::outs() == &Out)
sys::Program::ChangeStdoutToBinary();
// Write the generated bitstream to "Out".
Out.write((char*)&Buffer.front(), Buffer.size());
// Make sure it hits disk now.
Out.flush();
}
/// WriteBitcodeToStream - Write the specified module to the specified output
/// stream.
void llvm::WriteBitcodeToStream(const Module *M, BitstreamWriter &Stream) {
// If this is darwin, emit a file header and trailer if needed.
bool isDarwin = M->getTargetTriple().find("-darwin") != std::string::npos;
if (isDarwin)
@@ -1373,16 +1389,5 @@ void llvm::WriteBitcodeToFile(const Module *M, raw_ostream &Out) {
WriteModule(M, Stream);
if (isDarwin)
EmitDarwinBCTrailer(Stream, Buffer.size());
// If writing to stdout, set binary mode.
if (&llvm::outs() == &Out)
sys::Program::ChangeStdoutToBinary();
// Write the generated bitstream to "Out".
Out.write((char*)&Buffer.front(), Buffer.size());
// Make sure it hits disk now.
Out.flush();
EmitDarwinBCTrailer(Stream, Stream.getBuffer().size());
}