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Legalize this correctly

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21859 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-11 05:09:47 +00:00
parent 1f38e5c431
commit 9b583b4910
1 changed files with 3 additions and 1 deletions
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4
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -2173,7 +2173,9 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
case ISD::CTPOP:
ExpandOp(Node->getOperand(0), Lo, Hi);
Lo = DAG.getNode(ISD::ADD, NVT, Lo, Hi);
Lo = DAG.getNode(ISD::ADD, NVT, // ctpop(HL) -> ctpop(H)+ctpop(L)
DAG.getNode(ISD::CTPOP, NVT, Lo),
DAG.getNode(ISD::CTPOP, NVT, Hi));
Hi = DAG.getConstant(0, NVT);
break;