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[SelectionDAG] When splitting gather operands in type legalization, set MMO size to UnknownSize 

I missed this case when I did the same for gather results and scatter
operands in c69a4d6bef.
This commit is contained in:
Craig Topper 2020-05-06 19:56:33 -07:00
parent 7fb9bcd3da
commit 7b9d6673bf
1 changed files with 3 additions and 6 deletions
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9
llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
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@ -2288,17 +2288,14 @@ SDValue DAGTypeLegalizer::SplitVecOp_MGATHER(MaskedGatherSDNode *MGT,
std::tie(IndexLo, IndexHi) = DAG.SplitVector(Index, dl);
MachineMemOperand *MMO = DAG.getMachineFunction().getMachineMemOperand(
MGT->getPointerInfo(), MachineMemOperand::MOLoad, LoMemVT.getStoreSize(),
Alignment, MGT->getAAInfo(), MGT->getRanges());
MGT->getPointerInfo(), MachineMemOperand::MOLoad,
MemoryLocation::UnknownSize, Alignment, MGT->getAAInfo(),
MGT->getRanges());
SDValue OpsLo[] = {Ch, PassThruLo, MaskLo, Ptr, IndexLo, Scale};
SDValue Lo = DAG.getMaskedGather(DAG.getVTList(LoVT, MVT::Other), LoVT, dl,
OpsLo, MMO, MGT->getIndexType());
MMO = DAG.getMachineFunction().getMachineMemOperand(
MGT->getPointerInfo(), MachineMemOperand::MOLoad, HiMemVT.getStoreSize(),
Alignment, MGT->getAAInfo(), MGT->getRanges());
SDValue OpsHi[] = {Ch, PassThruHi, MaskHi, Ptr, IndexHi, Scale};
SDValue Hi = DAG.getMaskedGather(DAG.getVTList(HiVT, MVT::Other), HiVT, dl,
OpsHi, MMO, MGT->getIndexType());