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DAG: Stop forcibly adding nsz to expanded minnum/maxnum #139615

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Merged
merged 1 commit into from
May 13, 2025
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DAG: Stop forcibly adding nsz to expanded minnum/maxnum #139615

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4 changes: 1 addition & 3 deletions llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8490,9 +8490,7 @@ TargetLowering::createSelectForFMINNUM_FMAXNUM(SDNode *Node,
SDValue Op1 = Node->getOperand(0);
SDValue Op2 = Node->getOperand(1);
SDValue SelCC = DAG.getSelectCC(SDLoc(Node), Op1, Op2, Op1, Op2, Pred);
// Copy FMF flags, but always set the no-signed-zeros flag
// as this is implied by the FMINNUM/FMAXNUM semantics.
SelCC->setFlags(Node->getFlags() | SDNodeFlags::NoSignedZeros);
SelCC->setFlags(Node->getFlags());
return SelCC;
}

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