From 77d56621af9cce83f633c54ed6915b3949ebfefb Mon Sep 17 00:00:00 2001 From: AZero13 Date: Sun, 14 Sep 2025 16:49:23 -0400 Subject: [PATCH] [AArch64] Use getNegative instead of manually sub with 0 (NFC) --- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index d7c90bcb9723d..fc683afa2364a 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -7312,8 +7312,8 @@ SDValue AArch64TargetLowering::LowerABS(SDValue Op, SelectionDAG &DAG) const { return LowerToPredicatedOp(Op, DAG, AArch64ISD::ABS_MERGE_PASSTHRU); SDLoc DL(Op); - SDValue Neg = DAG.getNode(ISD::SUB, DL, VT, DAG.getConstant(0, DL, VT), - Op.getOperand(0)); + SDValue Neg = DAG.getNegative(Op.getOperand(0), DL, VT); + // Generate SUBS & CSEL. SDValue Cmp = DAG.getNode(AArch64ISD::SUBS, DL, DAG.getVTList(VT, FlagsVT), Op.getOperand(0), DAG.getConstant(0, DL, VT));