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Add has_free_tyvars predicate.
[matthijs/master-project/cλash.git]
/
CoreTools.hs
diff --git
a/CoreTools.hs
b/CoreTools.hs
index 444a4ba6c2ab7e469e164b030f77b5067c905459..4cafec1b34f8225870b4cb6b32af8ee03505936a 100644
(file)
--- a/
CoreTools.hs
+++ b/
CoreTools.hs
@@
-22,8
+22,10
@@
import qualified DynFlags
import qualified SrcLoc
import qualified CoreSyn
import qualified Var
import qualified SrcLoc
import qualified CoreSyn
import qualified Var
+import qualified VarSet
import qualified Unique
import qualified CoreUtils
import qualified Unique
import qualified CoreUtils
+import qualified CoreFVs
import GhcTools
import HsTools
import GhcTools
import HsTools
@@
-117,3
+119,6
@@
is_var :: CoreSyn.CoreExpr -> Bool
is_var (CoreSyn.Var _) = True
is_var _ = False
is_var (CoreSyn.Var _) = True
is_var _ = False
+-- Does the given CoreExpr have any free type vars?
+has_free_tyvars :: CoreSyn.CoreExpr -> Bool
+has_free_tyvars = not . VarSet.isEmptyVarSet . (CoreFVs.exprSomeFreeVars Var.isTyVar)