================
@@ -0,0 +1,37 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
UTC_ARGS: --version 6
+; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+sve2p3 < %s | FileCheck %s
+
+define <vscale x 16 x i8> @luti6_i8(<vscale x 16 x i8> %a) {
+; CHECK-LABEL: luti6_i8:
+; CHECK: // %bb.0:
+; CHECK-NEXT: // kill: def $z0 killed $z0 def $z0_z1
+; CHECK-NEXT: mov z1.d, z0.d
+; CHECK-NEXT: luti6 z0.b, { z0.b, z1.b }, z0
+; CHECK-NEXT: ret
+ %res = tail call <vscale x 16 x i8> @llvm.aarch64.sve.luti6(<vscale x 16 x
i8> %a, <vscale x 16 x i8> %a, <vscale x 16 x i8> %a)
+ ret <vscale x 16 x i8> %res
+}
+
+define <vscale x 8 x i16> @luti6_i16_x2(<vscale x 8 x i16> %a,
+; CHECK-LABEL: luti6_i16_x2:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov z2.d, z0.d
+; CHECK-NEXT: mov z3.d, z2.d
+; CHECK-NEXT: luti6 z0.h, { z2.h, z3.h }, z1[1]
+; CHECK-NEXT: ret
+ <vscale x 16 x i8> %b) {
+ %res = tail call <vscale x 8 x i16>
@llvm.aarch64.sve.luti6.lane.x2.i16(<vscale x 8 x i16> %a, <vscale x 8 x i16>
%a, <vscale x 16 x i8> %b, i32 1)
+ ret <vscale x 8 x i16> %res
+}
+
+define <vscale x 8 x half> @luti6_f16_x2(<vscale x 8 x half> %a,
----------------
kmclaughlin-arm wrote:
```suggestion
define <vscale x 8 x half> @luti6_f16_x2(<vscale x 8 x half> %a, <vscale x 16 x
i8> %b) {
```
https://github.com/llvm/llvm-project/pull/187046
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