This is part of an effort to migrate from llvm::Optional to std::optional: https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
Toy Tutorial
This contains sample code to support the tutorial on using MLIR for building a compiler for a simple Toy language.
See docs/Tutorials/Toy at the root of the project for more informations.