From e75879992c5a5a5102a4c5f20b90e6a1032b8ec5 Mon Sep 17 00:00:00 2001
From: Aymeric Fromherz
Date: Fri, 22 Sep 2023 16:40:31 +0200
Subject: Add support for Shl/Shr typechecking in InterpreterExpressions

---
 compiler/InterpreterExpressions.ml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'compiler')

diff --git a/compiler/InterpreterExpressions.ml b/compiler/InterpreterExpressions.ml
index 8b2070c6..469bebec 100644
--- a/compiler/InterpreterExpressions.ml
+++ b/compiler/InterpreterExpressions.ml
@@ -523,7 +523,10 @@ let eval_binary_op_symbolic (config : C.config) (binop : E.binop)
             | E.BitOr ->
                 assert (int_ty1 = int_ty2);
                 T.Literal (Integer int_ty1)
-            | E.Shl | E.Shr -> raise Unimplemented
+            | E.Shl | E.Shr ->
+                (* The number of bits can be of a different integer type
+                   than the operand *)
+                T.Literal (Integer int_ty1)
             | E.Ne | E.Eq -> raise (Failure "Unreachable"))
         | _ -> raise (Failure "Invalid inputs for binop")
     in
-- 
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