[Refactor] Remove unused MemoryAccess constructor


git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@214165 91177308-0d34-0410-b5e6-96231b3b80d8
[Refactor] Adjust some comments


git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@214166 91177308-0d34-0410-b5e6-96231b3b80d8
[Refactor] Use non-const MemoryAccess base addresses


git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@214168 91177308-0d34-0410-b5e6-96231b3b80d8
Added base array id's to Memory Accesses

  These id's allow us to cread id -> array base value mappings.


git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@214169 91177308-0d34-0410-b5e6-96231b3b80d8