isl: Detect openmp parallelism

Based on code written by Riyadh Baghdadi.

Merged from: https://llvm.org/svn/llvm-project/polly/trunk@170102

llvm-svn: 170753
7 files changed
tree: 3e70318910b31d87eaa257ec99960db66622678b
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/