Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a lame API.
Also, Stringrefify some more MemoryBuffer functions, and add two performance FIXMEs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86630 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkItems.cpp b/lib/Linker/LinkItems.cpp
index 7213659..2c22550 100644
--- a/lib/Linker/LinkItems.cpp
+++ b/lib/Linker/LinkItems.cpp
@@ -160,14 +160,17 @@
// Check for a file of name "-", which means "read standard input"
if (File.str() == "-") {
std::auto_ptr<Module> M;
- if (MemoryBuffer *Buffer = MemoryBuffer::getSTDIN()) {
+ MemoryBuffer *Buffer = MemoryBuffer::getSTDIN();
+ if (!Buffer->getBufferSize()) {
+ delete Buffer;
+ Error = "standard input is empty";
+ } else {
M.reset(ParseBitcodeFile(Buffer, Context, &Error));
delete Buffer;
if (M.get())
if (!LinkInModule(M.get(), &Error))
return false;
- } else
- Error = "standard input is empty";
+ }
return error("Cannot link stdin: " + Error);
}