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Cleanup recent addition of DAGTypeLegalizer::SplitVecOp_VSELECT

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168932 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski 2012-11-29 19:42:09 +00:00
parent 84fca61ca5
commit db62a883a7
1 changed files with 26 additions and 30 deletions
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56
lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
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@ -1080,46 +1080,42 @@ SDValue DAGTypeLegalizer::SplitVecOp_VSELECT(SDNode *N, unsigned OpNo) {
SDValue Lo, Hi;
GetSplitVector(N->getOperand(0), Lo, Hi);
assert(Lo.getValueType() == Hi.getValueType() &&
"Lo and Hi have differing types");;
unsigned LoNumElts = Lo.getValueType().getVectorNumElements();
unsigned HiNumElts = Hi.getValueType().getVectorNumElements();
assert(LoNumElts == HiNumElts && "Asymmetric vector split?");
EVT LoOpVT = EVT::getVectorVT(*DAG.getContext(),
Src0.getValueType().getVectorElementType(),
LoNumElts);
EVT LoMaskVT = EVT::getVectorVT(*DAG.getContext(),
MaskVT.getVectorElementType(),
LoNumElts);
EVT HiOpVT = EVT::getVectorVT(*DAG.getContext(),
Src0.getValueType().getVectorElementType(),
HiNumElts);
EVT HiMaskVT = EVT::getVectorVT(*DAG.getContext(),
MaskVT.getVectorElementType(),
HiNumElts);
LLVMContext &Ctx = *DAG.getContext();
SDValue Zero = DAG.getIntPtrConstant(0);
SDValue LoElts = DAG.getIntPtrConstant(LoNumElts);
EVT Src0VT = Src0.getValueType();
EVT Src0EltTy = Src0VT.getVectorElementType();
EVT MaskEltTy = MaskVT.getVectorElementType();
SDValue LoOp0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, LoOpVT, Src0,
DAG.getIntPtrConstant(0));
SDValue LoOp1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, LoOpVT, Src1,
DAG.getIntPtrConstant(0));
EVT LoOpVT = EVT::getVectorVT(Ctx, Src0EltTy, LoNumElts);
EVT LoMaskVT = EVT::getVectorVT(Ctx, MaskEltTy, LoNumElts);
EVT HiOpVT = EVT::getVectorVT(Ctx, Src0EltTy, HiNumElts);
EVT HiMaskVT = EVT::getVectorVT(Ctx, MaskEltTy, HiNumElts);
SDValue HiOp0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HiOpVT, Src0,
DAG.getIntPtrConstant(LoNumElts));
SDValue HiOp1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HiOpVT, Src1,
DAG.getIntPtrConstant(LoNumElts));
SDValue LoOp0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, LoOpVT, Src0, Zero);
SDValue LoOp1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, LoOpVT, Src1, Zero);
SDValue LoMask = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, LoMaskVT, Mask,
DAG.getIntPtrConstant(0));
SDValue HiMask = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HiMaskVT, Mask,
DAG.getIntPtrConstant(LoNumElts));
SDValue HiOp0 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HiOpVT, Src0, LoElts);
SDValue HiOp1 = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HiOpVT, Src1, LoElts);
SDValue LoSelect = DAG.getNode(ISD::VSELECT, DL, LoOpVT, LoMask, LoOp0,
LoOp1);
SDValue HiSelect = DAG.getNode(ISD::VSELECT, DL, HiOpVT, HiMask, HiOp0,
HiOp1);
SDValue LoMask =
DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, LoMaskVT, Mask, Zero);
SDValue HiMask =
DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, HiMaskVT, Mask, LoElts);
return DAG.getNode(ISD::CONCAT_VECTORS, DL, Src0.getValueType(), LoSelect,
HiSelect);
SDValue LoSelect =
DAG.getNode(ISD::VSELECT, DL, LoOpVT, LoMask, LoOp0, LoOp1);
SDValue HiSelect =
DAG.getNode(ISD::VSELECT, DL, HiOpVT, HiMask, HiOp0, HiOp1);
return DAG.getNode(ISD::CONCAT_VECTORS, DL, Src0VT, LoSelect, HiSelect);
}
SDValue DAGTypeLegalizer::SplitVecOp_UnaryOp(SDNode *N) {