================
@@ -1859,6 +1867,34 @@ void AArch64DAGToDAGISel::SelectFrintFromVT(SDNode *N,
unsigned NumVecs,
SelectUnaryMultiIntrinsic(N, NumVecs, true, Opcode);
}
+template <int64_t Max>
+void AArch64DAGToDAGISel::SelectMultiVectorLuti(SDNode *Node,
+ unsigned NumOutVecs,
+ unsigned Opc) {
+ if (ConstantSDNode *Imm = dyn_cast<ConstantSDNode>(Node->getOperand(4)))
+ if (Imm->getZExtValue() > Max)
+ return;
+
+ SDValue ZtValue;
+ ImmToTile<AArch64::ZT0, 0>(Node->getOperand(2), ZtValue);
----------------
david-arm wrote:
If someone invokes the intrinsic with Op2 != 0 this will likely crash. Is it
worth asserting the result of ImmToTile is true so that at least it's more
obvious?
https://github.com/llvm/llvm-project/pull/73317
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