[llvm] [AArch64] Use getMergeValues to simplify code. NFC (PR #150337)

[Craig Topper via llvm-commits]

https://github.com/topperc created https://github.com/llvm/llvm-project/pull/150337

None

>From 92df14370f05e8dd7a0a5528dec65699ad29cd50 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper at sifive.com>
Date: Wed, 23 Jul 2025 15:47:05 -0700
Subject: [PATCH] [AArch64] Use getMergeValues to simplify code. NFC

---
 llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 02ee517a0a9b8..111e049504942 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -4220,7 +4220,6 @@ static SDValue lowerADDSUBO_CARRY(SDValue Op, SelectionDAG &DAG,
   SDValue OpCarryIn = valueToCarryFlag(Op.getOperand(2), DAG, InvertCarry);
 
   SDLoc DL(Op);
-  SDVTList VTs = DAG.getVTList(VT0, VT1);
 
   SDValue Sum = DAG.getNode(Opcode, DL, DAG.getVTList(VT0, MVT::Glue), OpLHS,
                             OpRHS, OpCarryIn);
@@ -4229,7 +4228,7 @@ static SDValue lowerADDSUBO_CARRY(SDValue Op, SelectionDAG &DAG,
       IsSigned ? overflowFlagToValue(Sum.getValue(1), VT1, DAG)
                : carryFlagToValue(Sum.getValue(1), VT1, DAG, InvertCarry);
 
-  return DAG.getNode(ISD::MERGE_VALUES, DL, VTs, Sum, OutFlag);
+  return DAG.getMergeValues({Sum, OutFlag}, DL);
 }
 
 static SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG) {
@@ -4254,8 +4253,7 @@ static SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG) {
   Overflow =
       DAG.getNode(AArch64ISD::CSEL, DL, MVT::i32, FVal, TVal, CCVal, Overflow);
 
-  SDVTList VTs = DAG.getVTList(Op.getValueType(), MVT::i32);
-  return DAG.getNode(ISD::MERGE_VALUES, DL, VTs, Value, Overflow);
+  return DAG.getMergeValues({Value, Overflow}, DL);
 }
 
 // Prefetch operands are: