26   Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);  in commonShiftTransforms()  local
33   if (isa<Constant>(Op0))  in commonShiftTransforms()
39     if (Instruction *Res = FoldShiftByConstant(Op0, CUI, I))  in commonShiftTransforms()
321 Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, Constant *Op1,  in FoldShiftByConstant()  argument
339       CanEvaluateShifted(Op0, COp1->getZExtValue(), isLeftShift, *this, &I)) {  in FoldShiftByConstant()
341               " to eliminate shift:\n  IN: " << *Op0 << "\n  SH: " << I <<"\n");  in FoldShiftByConstant()
344         I, GetShiftedValue(Op0, COp1->getZExtValue(), isLeftShift, *this, DL));  in FoldShiftByConstant()
349   uint32_t TypeBits = Op0->getType()->getScalarSizeInBits();  in FoldShiftByConstant()
355   if (BinaryOperator *BO = dyn_cast<BinaryOperator>(Op0))  in FoldShiftByConstant()
362   if (SelectInst *SI = dyn_cast<SelectInst>(Op0))  in FoldShiftByConstant()
365   if (isa<PHINode>(Op0))  in FoldShiftByConstant()
370   if (TruncInst *TI = dyn_cast<TruncInst>(Op0)) {  in FoldShiftByConstant()
413   if (Op0->hasOneUse()) {  in FoldShiftByConstant()
414     if (BinaryOperator *Op0BO = dyn_cast<BinaryOperator>(Op0)) {  in FoldShiftByConstant()
542   BinaryOperator *ShiftOp = dyn_cast<BinaryOperator>(Op0);  in FoldShiftByConstant()
748   Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);  in visitLShr()  local
753     if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(Op0)) {  in visitLShr()
754       unsigned BitWidth = Op0->getType()->getScalarSizeInBits();  in visitLShr()
763         Constant *RHS = ConstantInt::getSigned(Op0->getType(), isCtPop ? -1:0);  in visitLShr()
771         MaskedValueIsZero(Op0, APInt::getLowBitsSet(Op1C->getBitWidth(), ShAmt),  in visitLShr()
792   Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);  in visitAShr()  local
800     if (match(Op0, m_Shl(m_Value(X), m_Specific(Op1)))) {  in visitAShr()
816         MaskedValueIsZero(Op0,APInt::getLowBitsSet(Op1C->getBitWidth(),ShAmt),  in visitAShr()
824   if (MaskedValueIsZero(Op0,  in visitAShr()
827     return BinaryOperator::CreateLShr(Op0, Op1);  in visitAShr()