70 static bool CanEvaluateShifted(Value *V, unsigned NumBits, bool isLeftShift,  in CanEvaluateShifted()  argument
84   if ((isLeftShift && match(I, m_LShr(m_Value(), m_ConstantInt(CI)))) ||  in CanEvaluateShifted()
85       (!isLeftShift && match(I, m_Shl(m_Value(), m_ConstantInt(CI))))) {  in CanEvaluateShifted()
114     return CanEvaluateShifted(I->getOperand(0), NumBits, isLeftShift, IC, I) &&  in CanEvaluateShifted()
115            CanEvaluateShifted(I->getOperand(1), NumBits, isLeftShift, IC, I);  in CanEvaluateShifted()
123     if (isLeftShift) return true;  in CanEvaluateShifted()
148     if (!isLeftShift) return true;  in CanEvaluateShifted()
169     return CanEvaluateShifted(SI->getTrueValue(), NumBits, isLeftShift,  in CanEvaluateShifted()
171            CanEvaluateShifted(SI->getFalseValue(), NumBits, isLeftShift, IC, SI);  in CanEvaluateShifted()
179       if (!CanEvaluateShifted(IncValue, NumBits, isLeftShift,  in CanEvaluateShifted()
189 static Value *GetShiftedValue(Value *V, unsigned NumBits, bool isLeftShift,  in GetShiftedValue()  argument
193     if (isLeftShift)  in GetShiftedValue()
213         0, GetShiftedValue(I->getOperand(0), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
215         1, GetShiftedValue(I->getOperand(1), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
226     if (isLeftShift) {  in GetShiftedValue()
267     if (!isLeftShift) {  in GetShiftedValue()
302         1, GetShiftedValue(I->getOperand(1), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
304         2, GetShiftedValue(I->getOperand(2), NumBits, isLeftShift, IC, DL));  in GetShiftedValue()
313                                               isLeftShift, IC, DL));  in GetShiftedValue()
323   bool isLeftShift = I.getOpcode() == Instruction::Shl;  in FoldShiftByConstant()  local
339       CanEvaluateShifted(Op0, COp1->getZExtValue(), isLeftShift, *this, &I)) {  in FoldShiftByConstant()
344         I, GetShiftedValue(Op0, COp1->getZExtValue(), isLeftShift, *this, DL));  in FoldShiftByConstant()
356     if (BO->getOpcode() == Instruction::Mul && isLeftShift)  in FoldShiftByConstant()
426         if (isLeftShift && Op0BO->getOperand(1)->hasOneUse() &&  in FoldShiftByConstant()
445         if (isLeftShift && Op0BOOp1->hasOneUse() &&  in FoldShiftByConstant()
462         if (isLeftShift && Op0BO->getOperand(0)->hasOneUse() &&  in FoldShiftByConstant()
480         if (isLeftShift && Op0BO->getOperand(0)->hasOneUse() &&  in FoldShiftByConstant()
507           isValid = isLeftShift;  in FoldShiftByConstant()