[yaml2obj] Move redundant statements into a separate static function
[yaml2obj] Move redundant statements into a separate static function

Reviewers: jhenderson, grimar

Reviewed By: jhenderson

Subscribers: jakehehrlich, llvm-commits

Differential Revision: https://reviews.llvm.org/D55220

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@348264 91177308-0d34-0410-b5e6-96231b3b80d8

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