diff --git a/clang/include/clang/Basic/riscv_vector.td b/clang/include/clang/Basic/riscv_vector.td
--- a/clang/include/clang/Basic/riscv_vector.td
+++ b/clang/include/clang/Basic/riscv_vector.td
@@ -125,7 +125,7 @@
 multiclass RVVSlideOneBuiltinSet
     : RVVOutOp1BuiltinSet<NAME, "csil",
                           [["vx", "v", "vve"],
-                           ["vx", "Uv", "UvUve"]]>;
+                           ["vx", "Uv", "UvUvUe"]]>;
 
 multiclass RVVSignedShiftBuiltinSet
     : RVVOutOp1BuiltinSet<NAME, "csil",