[llvm-branch-commits] [flang] [Flang][OpenMP] Support iterator modifier in map and motion clauses (PR #197757)

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chichunchen wrote:

- NFC patch for sharing declare mapper lambdas.
  - This patch is for making review work easier for #197757 
  - Normal map entries and iterated map entries can share the same declare mapper logic: https://github.com/llvm/llvm-project/pull/197752
- [Current PR] Flang lowering for target_data, target_data_begin, target_data_end, and target_update: https://github.com/llvm/llvm-project/pull/197757
- [WIP] MLIR-to-LLVM IR translation for target_data, target_data_begin, target_data_end, and target_update: https://github.com/llvm/llvm-project/pull/199101
  - Still WIP; needs more tests and refinement.
  - Includes runtime test in offload/test/offloading/fortran

https://github.com/llvm/llvm-project/pull/197757