[flang-commits] [flang] [llvm] [mlir] [OpenMP] Honor barrier and last iteration flags in loop lowering (PR #224040)

[Tom Eccles via flang-commits]

https://github.com/tblah approved this pull request.

LGTM, thanks

AI review pointed out that `opIsInSingleThread` doesn't account for `omp.masked`. This is a pre-existing bug so it shouldn't block your patch. I will make a patch for `opIsInSingleThread`.

https://github.com/llvm/llvm-project/pull/224040