This refactoring is to reduce code duplication between the 32-bit and 64-bit code paths. This refactoring will also make the special casing for other data after load commands cleaner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270001 91177308-0d34-0410-b5e6-96231b3b80d8