diff --git a/clang/include/clang/Basic/arm_neon.td b/clang/include/clang/Basic/arm_neon.td
--- a/clang/include/clang/Basic/arm_neon.td
+++ b/clang/include/clang/Basic/arm_neon.td
@@ -247,6 +247,12 @@
                    "UcUsUicsilPcPsfQUcQUsQUiQcQsQiQPcQPsQflUlQlQUlhdQhQdPlQPl"> {
   let isLaneQ = 1;
 }
+let ArchGuard = "defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC)" in {
+  def SPLAT_BF  : WInst<"splat_lane", ".(!q)I", "bQb">;
+  def SPLATQ_BF : WInst<"splat_laneq", ".(!Q)I", "bQb"> {
+    let isLaneQ = 1;
+  }
+}
 
 //===----------------------------------------------------------------------===//
 // Intrinsics