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-rw-r--r--backend/Splitting.ml4
1 files changed, 1 insertions, 3 deletions
diff --git a/backend/Splitting.ml b/backend/Splitting.ml
index 17b8098d..f09da104 100644
--- a/backend/Splitting.ml
+++ b/backend/Splitting.ml
@@ -13,10 +13,8 @@
(* Live range splitting over RTL *)
open Camlcoq
-open Datatypes
open Coqlib
open Maps
-open AST
open Kildall
open Registers
open RTL
@@ -75,7 +73,7 @@ module LRMap = struct
let bot : t = RMap.empty
- let lub_opt_range r olr1 olr2 =
+ let lub_opt_range _ olr1 olr2 =
match olr1, olr2 with
| Some lr1, Some lr2 -> unify lr1 lr2; olr1
| Some _, None -> olr1