[AArch64] Replace uaddlv intrinsic with uaddlv sdnode

Differential Revision: https://reviews.llvm.org/D159447

Author: jaykang10

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -8740,9 +8740,9 @@ SDValue AArch64TargetLowering::LowerCTPOP_PARITY(SDValue Op,
     Val = DAG.getNode(ISD::BITCAST, DL, MVT::v8i8, Val);
 
     SDValue CtPop = DAG.getNode(ISD::CTPOP, DL, MVT::v8i8, Val);
-    SDValue UaddLV = DAG.getNode(
-        ISD::INTRINSIC_WO_CHAIN, DL, MVT::i32,
-        DAG.getConstant(Intrinsic::aarch64_neon_uaddlv, DL, MVT::i32), CtPop);
+    SDValue UaddLV = DAG.getNode(AArch64ISD::UADDLV, DL, MVT::v4i32, CtPop);
+    UaddLV = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::i32, UaddLV,
+                         DAG.getConstant(0, DL, MVT::i64));
 
     if (IsParity)
       UaddLV = DAG.getNode(ISD::AND, DL, MVT::i32, UaddLV,
@@ -8755,9 +8755,9 @@ SDValue AArch64TargetLowering::LowerCTPOP_PARITY(SDValue Op,
     Val = DAG.getNode(ISD::BITCAST, DL, MVT::v16i8, Val);
 
     SDValue CtPop = DAG.getNode(ISD::CTPOP, DL, MVT::v16i8, Val);
-    SDValue UaddLV = DAG.getNode(
-        ISD::INTRINSIC_WO_CHAIN, DL, MVT::i32,
-        DAG.getConstant(Intrinsic::aarch64_neon_uaddlv, DL, MVT::i32), CtPop);
+    SDValue UaddLV = DAG.getNode(AArch64ISD::UADDLV, DL, MVT::v4i32, CtPop);
+    UaddLV = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::i32, UaddLV,
+                         DAG.getConstant(0, DL, MVT::i64));
 
     if (IsParity)
       UaddLV = DAG.getNode(ISD::AND, DL, MVT::i32, UaddLV,