diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 7200b1cea459..0c97f8819bfa 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -28826,13 +28826,11 @@ static SDValue combineExtractVectorElt(SDNode *N, SelectionDAG &DAG, return DAG.getNode(X86ISD::MMX_MOVD2W, dl, MVT::i32, MMXSrc); } - if (VT == MVT::i1 && isa(N->getOperand(1)) && - InputVector.getOpcode() == ISD::BITCAST && + if (VT == MVT::i1 && InputVector.getOpcode() == ISD::BITCAST && + isa(N->getOperand(1)) && isa(InputVector.getOperand(0))) { - uint64_t ExtractedElt = - cast(N->getOperand(1))->getZExtValue(); - uint64_t InputValue = - cast(InputVector.getOperand(0))->getZExtValue(); + uint64_t ExtractedElt = N->getConstantOperandVal(1); + uint64_t InputValue = InputVector.getConstantOperandVal(0); uint64_t Res = (InputValue >> ExtractedElt) & 1; return DAG.getConstant(Res, dl, MVT::i1); } @@ -28877,9 +28875,7 @@ static SDValue combineExtractVectorElt(SDNode *N, SelectionDAG &DAG, return SDValue(); // Record which element was extracted. - ExtractedElements |= - 1 << cast(Extract->getOperand(1))->getZExtValue(); - + ExtractedElements |= 1 << Extract->getConstantOperandVal(1); Uses.push_back(Extract); } @@ -28939,8 +28935,7 @@ static SDValue combineExtractVectorElt(SDNode *N, SelectionDAG &DAG, UE = Uses.end(); UI != UE; ++UI) { SDNode *Extract = *UI; - SDValue Idx = Extract->getOperand(1); - uint64_t IdxVal = cast(Idx)->getZExtValue(); + uint64_t IdxVal = Extract->getConstantOperandVal(1); DAG.ReplaceAllUsesOfValueWith(SDValue(Extract, 0), Vals[IdxVal]); }