import LoadIface ( ifaceStats, initExternalPackageState )
import PrelInfo ( wiredInThings, basicKnownKeyNames )
import MkIface ( checkOldIface, mkIface, writeIfaceFile )
-import Desugar ( deSugar )
+import Desugar ( deSugar, deSugarExpr )
import Flattening ( flatten )
-import SimplCore ( core2core )
+import SimplCore ( core2core, simplifyExpr )
import TidyPgm ( tidyProgram, mkBootModDetails )
import CorePrep ( corePrepPgm )
import CoreToStg ( coreToStg )