Integrate polly test-suite into an llvm "make check-all" if built as part of the whole using cmake.

Merged from: https://llvm.org/svn/llvm-project/polly/trunk@169487

git-svn-id: https://llvm.org/svn/llvm-project/polly/branches/release_32@170752 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed