1 files changed, 12 insertions, 0 deletions
diff --git a/src/VMTestsFiller/loop-mul.sol b/src/VMTestsFiller/loop-mul.sol
index e69de29bb..a7780c670 100644
--- a/src/VMTestsFiller/loop-mul.sol
+++ b/src/VMTestsFiller/loop-mul.sol
@@ -0,0 +1,12 @@
+pragma solidity ^0.4.0;
+
+contract MulPerformanceTester {
+
+    function testMulMod(uint x, uint y, uint k, uint n) external returns (uint) {
+        var r = x;
+        for (uint i = 0; i < n; i += 1) {
+            r = mulmod(r, y, k);
+        }
+        return r;
+    }
+}