[flang-commits] [flang] [flang] Lower plain DO loops without a secondary-induction iter_arg (PR #207816)

[Slava Zakharin via flang-commits]

vzakhari wrote:

@jeanPerier, it sounds reasonable to me to use `fir.do_loop`'s IV of the same data type as in the user's code. I guess we will have to introduce `index` IV during FIRToSCF conversion anyway - I do not know whether this is an issue or not.

https://github.com/llvm/llvm-project/pull/207816