[clang] [flang] [llvm] [openmp] [Clang][OpenMP][LoopTransformations] Add support for "#pragma omp fuse" loop transformation directive and "looprange" clause (PR #139293)

[Walter J.T.V via llvm-commits]

eZWALT wrote:

> Thanks for the work and sorry I could not have a look into it earlier

Nono, thank you for your time and guidance! Between today and tomorrow i'll upload the updated version, thanks for taking the time to improve it and the nitpicks!

https://github.com/llvm/llvm-project/pull/139293