GHC.CoreToStg.Prep

Whether to generate a default alternative with `error` in these cases. This is helpful when debugging demand analysis or type checker bugs which can sometimes manifest as segmentation faults.

Configuration for arity analysis (exprEtaExpandArity). See Note [Eta expansion of arguments in CorePrep] When Nothing (e.g., -O0, -O1), use the cheaper exprArity instead

Whether to perform speculative evaluation See Note [Controlling Speculative Evaluation]

Whether to perform speculative evaluation on DFuns