================
@@ -6108,6 +6160,133 @@ static SDValue lowerAddrSpaceCast(SDValue Op,
SelectionDAG &DAG) {
return Op;
}
+SDValue SystemZTargetLowering::LowerFP_EXTEND(SDValue Op,
+ SelectionDAG &DAG) const {
+ bool IsStrict = Op->isStrictFPOpcode();
+ SDValue In = Op.getOperand(IsStrict ? 1 : 0);
+ MVT VT = Op.getSimpleValueType();
+ MVT SVT = In.getSimpleValueType();
+ if (SVT != MVT::f16)
+ return Op;
+
+ SDLoc DL(Op);
+ SDValue Chain = IsStrict ? Op.getOperand(0) : SDValue();
+
+ // Need a libcall. XXX factor out (below)
----------------
uweigand wrote:
Can't we just return SDValue() here so that common call falls back to Expand
(which in this case generates a libcall)?
https://github.com/llvm/llvm-project/pull/109164
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