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[DAG] Use isAnyConstantBuildVector. NFC 

As suggested from 02f8519502, this uses the
isAnyConstantBuildVector method in lieu of separate
isBuildVectorOfConstantSDNodes calls. It should
otherwise be an NFC.
This commit is contained in:
David Green 2022-05-09 14:13:03 +01:00
parent 18eaff1510
commit 2cfb243bcd
1 changed files with 3 additions and 7 deletions
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10
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -13686,8 +13686,7 @@ SDValue DAGCombiner::visitBITCAST(SDNode *N) {
if (Op.getOpcode() == ISD::BITCAST &&
Op.getOperand(0).getValueType() == VT)
return SDValue(Op.getOperand(0));
if (Op.isUndef() || ISD::isBuildVectorOfConstantSDNodes(Op.getNode()) ||
ISD::isBuildVectorOfConstantFPSDNodes(Op.getNode()))
if (Op.isUndef() || isAnyConstantBuildVector(Op))
return DAG.getBitcast(VT, Op);
return SDValue();
};
@ -22043,11 +22042,8 @@ static SDValue combineShuffleOfBitcast(ShuffleVectorSDNode *SVN,
(!Op1.isUndef() && (Op1.getOpcode() != ISD::BITCAST ||
Op1.getOperand(0).getValueType() != InVT)))
return SDValue();
if ((ISD::isBuildVectorOfConstantSDNodes(Op0.getOperand(0).getNode()) ||
ISD::isBuildVectorOfConstantFPSDNodes(Op0.getOperand(0).getNode())) &&
(Op1.isUndef() ||
ISD::isBuildVectorOfConstantSDNodes(Op1.getOperand(0).getNode()) ||
ISD::isBuildVectorOfConstantFPSDNodes(Op1.getOperand(0).getNode())))
if (isAnyConstantBuildVector(Op0.getOperand(0)) &&
(Op1.isUndef() || isAnyConstantBuildVector(Op1.getOperand(0))))
return SDValue();
int VTLanes = VT.getVectorNumElements();