-- Dynamic flags
DynFlag(..),
DynFlags(..),
- HscTarget(..), isObjectTarget,
+ HscTarget(..), isObjectTarget, defaultObjectTarget,
GhcMode(..), isOneShot,
GhcLink(..), isNoLink,
PackageFlag(..),
| Opt_CaseMerge
| Opt_UnboxStrictFields
| Opt_DictsCheap
+ | Opt_RewriteRules
-- misc opts
| Opt_Cpp
| IgnorePackage String
deriving Eq
-defaultHscTarget
+defaultHscTarget = defaultObjectTarget
+
+-- | the 'HscTarget' value corresponding to the default way to create
+-- object files on the current platform.
+defaultObjectTarget
| cGhcWithNativeCodeGen == "YES" = HscAsm
| otherwise = HscC
optLevelFlags
= [ ([0], Opt_IgnoreInterfacePragmas)
, ([0], Opt_OmitInterfacePragmas)
+
, ([1,2], Opt_IgnoreAsserts)
+ , ([1,2], Opt_RewriteRules) -- Off for -O0; see Note [Scoping for Builtin rules]
+ -- in PrelRules
, ([1,2], Opt_DoEtaReduction)
, ([1,2], Opt_CaseMerge)
, ([1,2], Opt_Strictness)
, ([1,2], Opt_CSE)
, ([1,2], Opt_FullLaziness)
+
, ([2], Opt_LiberateCase)
, ([2], Opt_SpecConstr)
( "asm-mangling", Opt_DoAsmMangling ),
( "print-bind-result", Opt_PrintBindResult ),
( "force-recomp", Opt_ForceRecomp ),
- ( "hpc-no-auto", Opt_Hpc_No_Auto )
+ ( "hpc-no-auto", Opt_Hpc_No_Auto ),
+ ( "rewrite-rules", Opt_RewriteRules )
]