Revert "Add support for pointer types in expressions"

This reverts commit 6f02dfa802f92ee81f95ef55bf1e376a741a59fd (r225464).

This commit has a couple of problems which we do not want to have in the
3.6 release.

Reported-by: Geoff Nixon

git-svn-id: https://llvm.org/svn/llvm-project/polly/branches/release_36@229086 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed