================
@@ -5804,6 +5804,17 @@ bool
SelectionDAG::isGuaranteedNotToBeUndefOrPoison(SDValue Op,
case ISD::SPLAT_VECTOR:
return isGuaranteedNotToBeUndefOrPoison(Op.getOperand(0), Kind, Depth + 1);
+ case ISD::SELECT: {
+ SDValue Cond = Op.getOperand(0);
+ return !canCreateUndefOrPoison(Op, DemandedElts, Kind,
+ /*ConsiderFlags*/ true, Depth) &&
+ isGuaranteedNotToBeUndefOrPoison(Cond, Kind, Depth + 1) &&
----------------
krzysz00 wrote:
Done
https://github.com/llvm/llvm-project/pull/200934
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