diff --git a/llvm/lib/Linker/LinkItems.cpp b/llvm/lib/Linker/LinkItems.cpp index 3cf1f6bd8cdb..ad0ccd2e3c11 100644 --- a/llvm/lib/Linker/LinkItems.cpp +++ b/llvm/lib/Linker/LinkItems.cpp @@ -14,6 +14,8 @@ #include "llvm/Linker.h" #include "llvm/Module.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Bitcode/ReaderWriter.h" using namespace llvm; @@ -153,6 +155,20 @@ bool Linker::LinkInLibraries(const std::vector &Libraries) { /// bool Linker::LinkInFile(const sys::Path &File, bool &is_native) { is_native = false; + + // Check for a file of name "-", which means "read standard input" + if (File.toString() == "-") { + std::auto_ptr M; + if (MemoryBuffer *Buffer = MemoryBuffer::getSTDIN()) { + M.reset(ParseBitcodeFile(Buffer, &Error)); + delete Buffer; + if (!LinkInModule(M.get())) + return false; + } else + Error = "standard input is empty"; + return error("Cannot link stdin: " + Error); + } + // Make sure we can at least read the file if (!File.canRead()) return error("Cannot find linker input '" + File.toString() + "'");