[PATCH] D130513: [Flang] Add -fconvert option to swap endianness for unformatted files

[Peixin Qiao via Phabricator via cfe-commits]

peixin added a comment.

LGTM. Tested on one little-endian machine with our internal tests (I attached them in the issue https://github.com/llvm/llvm-project/issues/55961) for the priority of `-fconvert=` option and `CONVERT` argument in open statement and all passed. I didn't see the the `GFORTRAN_CONVERT_UNIT` used in HPC workloads and don't have tests for it. For now, I would avoid full combination tests for it.

@jeanPerier @clementval Can you help double check the lowering part?


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https://reviews.llvm.org/D130513