1 files changed, 13 insertions, 0 deletions
diff --git a/test/libyul/yulOptimizerTests/rematerialiser/large_constant_used_once.yul b/test/libyul/yulOptimizerTests/rematerialiser/large_constant_used_once.yul
new file mode 100644
index 00000000..b8a861aa
--- /dev/null
+++ b/test/libyul/yulOptimizerTests/rematerialiser/large_constant_used_once.yul
@@ -0,0 +1,13 @@
+{
+    // Constants cost depending on their magnitude.
+    // Do not rematerialize large constants,
+    // unless they are used exactly once.
+    let a := 0xffffffffffffffffffffff
+    mstore(0, a)
+}
+// ----
+// rematerialiser
+// {
+//     let a := 0xffffffffffffffffffffff
+//     mstore(0, 0xffffffffffffffffffffff)
+// }