Upstreaming OMPD

[jprotze]

• [X] integrate the LLVM-openmp branch into an llvm-project branch: https://github.com/OpenMPToolsInterface/llvm-project/tree/ompd-tests

• [X] merge with master and keep up to date: https://github.com/OpenMPToolsInterface/llvm-project/tree/ompd-tests-merge-master

• [ ] Split the diff into junks and upload to https://reviews.llvm.org/differential/:

  • [ ] changes in openmp/runtime
  • [ ] changes in libomptarget
  • [ ] libompd/src (host specific)
  • [ ] TargetValue
  • [ ] callbacks
  • [ ] handle api calls
  • [ ] other query api calls
  • [ ] ICV queries
  • [ ] libompd/src (device specific)
  • [ ] libompd/tests
  • [ ] libompd/gdb-plugin

drop gdb-wrapper drop cuda_examples (or move to libompd/tests)