import CoreUtils ( exprIsValue, exprIsDupable )
import CoreLint ( showPass, endPass )
import CoreFVs ( CoreExprWithFVs, freeVars, freeVarsOf )
import CoreUtils ( exprIsValue, exprIsDupable )
import CoreLint ( showPass, endPass )
import CoreFVs ( CoreExprWithFVs, freeVars, freeVarsOf )