[llvm] [AArch64] Remove copy instruction between uaddlv with v8i16 and dup (PR #66068)

[David Green via llvm-commits]

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@@ -5329,7 +5329,8 @@ SDValue AArch64TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
   case Intrinsic::aarch64_neon_uaddlv: {
     EVT OpVT = Op.getOperand(1).getValueType();
     EVT ResVT = Op.getValueType();
-    if (ResVT == MVT::i32 && (OpVT == MVT::v8i8 || OpVT == MVT::v16i8)) {
+    if (ResVT == MVT::i32 &&
+        (OpVT == MVT::v8i8 || OpVT == MVT::v16i8 || OpVT == MVT::v8i16)) {
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davemgreen wrote:

Should this add v4i16 too?

https://github.com/llvm/llvm-project/pull/66068