-
-mkIfThenElse :: CoreExpr -> CoreExpr -> CoreExpr -> CoreExpr
-mkIfThenElse guard then_expr else_expr
--- Not going to be refining, so okay to take the type of the "then" clause
- = Case guard (mkWildId boolTy) (exprType then_expr)
- [ (DataAlt falseDataCon, [], else_expr), -- Increasing order of tag!
- (DataAlt trueDataCon, [], then_expr) ]