llvm-project

c164e630 - [flang][fir] Add conversion of `fir.iterate_while` to `scf.while`. (#152439)

[flang][fir] Add conversion of `fir.iterate_while` to `scf.while`. (#152439) This commmit is a supplement for https://github.com/llvm/llvm-project/pull/140374. RFC:https://discourse.llvm.org/t/rfc-add-fir-affine-optimization-fir-pass-pipeline/86190/6