Remove the TargetMachine forwards for TargetSubtargetInfo based
information and update all callers. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214781 91177308-0d34-0410-b5e6-96231b3b80d8
Reorder to keep data and routines separate and to keep a couple of
similar routines close to each other.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214782 91177308-0d34-0410-b5e6-96231b3b80d8