[TableGen] Add a non-default constructor to CodeGenSchedClass and use it via emplace_back to create new SchedClasses instead of using resize(size+1)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328183 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed