llvm-project

a5757c5b - Switch member calls to `isa/dyn_cast/cast/...` to free function calls. (#89356)

Switch member calls to `isa/dyn_cast/cast/...` to free function calls. (#89356) This change cleans up call sites. Next step is to mark the member functions deprecated. See https://mlir.llvm.org/deprecation and https://discourse.llvm.org/t/preferred-casting-style-going-forward.