[llvm-lipo] Add support for bitcode files

A Mach-O universal binary may contain bitcode as a slice.
This diff adds proper handling of such binaries to llvm-lipo.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D85740

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/lib/Object/Binary.cpp b/llvm/lib/Object/Binary.cpp
index 944d2bc..384df4b 100644
--- a/llvm/lib/Object/Binary.cpp
+++ b/llvm/lib/Object/Binary.cpp
@@ -93,7 +93,8 @@ Expected<std::unique_ptr<Binary>> object::createBinary(MemoryBufferRef Buffer,
   llvm_unreachable("Unexpected Binary File Type");
 }
 
-Expected<OwningBinary<Binary>> object::createBinary(StringRef Path) {
+Expected<OwningBinary<Binary>> object::createBinary(StringRef Path,
+                                                    LLVMContext *Context) {
   ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
       MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1,
                                    /*RequiresNullTerminator=*/false);
@@ -102,7 +103,7 @@ Expected<OwningBinary<Binary>> object::createBinary(StringRef Path) {
   std::unique_ptr<MemoryBuffer> &Buffer = FileOrErr.get();
 
   Expected<std::unique_ptr<Binary>> BinOrErr =
-      createBinary(Buffer->getMemBufferRef());
+      createBinary(Buffer->getMemBufferRef(), Context);
   if (!BinOrErr)
     return BinOrErr.takeError();
   std::unique_ptr<Binary> &Bin = BinOrErr.get();