Basic support for parsing Mach-O universal binaries in LLVMObject library

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp
index e62b5a4..12090d6 100644
--- a/lib/Object/MachOObjectFile.cpp
+++ b/lib/Object/MachOObjectFile.cpp
@@ -1297,8 +1297,8 @@
   }
 }
 
-unsigned MachOObjectFile::getArch() const {
-  switch (getCPUType(this)) {
+Triple::ArchType MachOObjectFile::getArch(uint32_t CPUType) {
+  switch (CPUType) {
   case llvm::MachO::CPUTypeI386:
     return Triple::x86;
   case llvm::MachO::CPUTypeX86_64:
@@ -1314,6 +1314,10 @@
   }
 }
 
+unsigned MachOObjectFile::getArch() const {
+  return getArch(getCPUType(this));
+}
+
 StringRef MachOObjectFile::getLoadName() const {
   // TODO: Implement
   report_fatal_error("get_load_name() unimplemented in MachOObjectFile");