> Flang is a ground-up implementation of a Fortran front end written in modern C++. It started off as the f18 project with an aim to replace the previous flang

> Flang is a ground-up implementation of a Fortran front end written in modern C++. It started off as the f18 project with an aim to replace the previous flang project and address its various deficiencies. F18 was subsequently accepted into the LLVM project and rechristened as Flang. > The high level IR of the Fortran compiler is modeled using MLIR. Source: https://mlir.llvm.org/users/ https://mlir.llvm.org/users/