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Add is_simple predicate for applications and vars.
[matthijs/master-project/cλash.git]
/
CoreTools.hs
diff --git
a/CoreTools.hs
b/CoreTools.hs
index dfb4f5c680ddebede83c4584c59beb4fe82e7b3b..ed0c52d88a7e81ee6428debe2a48fc5c81a48388 100644
(file)
--- a/
CoreTools.hs
+++ b/
CoreTools.hs
@@
-145,6
+145,13
@@
is_var _ = False
is_applicable :: CoreSyn.CoreExpr -> Bool
is_applicable expr = is_fun expr || is_poly expr
is_applicable :: CoreSyn.CoreExpr -> Bool
is_applicable expr = is_fun expr || is_poly expr
+-- Is the given core expression a variable or an application?
+is_simple :: CoreSyn.CoreExpr -> Bool
+is_simple (CoreSyn.App _ _) = True
+is_simple (CoreSyn.Var _) = True
+is_simple (CoreSyn.Cast expr _) = is_simple expr
+is_simple _ = 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)
-- 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)