70 static bool CanEvaluateShifted(Value *V, unsigned NumBits, bool isLeftShift,  in CanEvaluateShifted()  argument
86     if (CI->getZExtValue() == NumBits) {  in CanEvaluateShifted()
114     return CanEvaluateShifted(I->getOperand(0), NumBits, isLeftShift, IC) &&  in CanEvaluateShifted()
115            CanEvaluateShifted(I->getOperand(1), NumBits, isLeftShift, IC);  in CanEvaluateShifted()
126     if (CI->getValue() == NumBits) return true;  in CanEvaluateShifted()
132     if (CI->getZExtValue() > NumBits) {  in CanEvaluateShifted()
135                        APInt::getLowBitsSet(TypeWidth, NumBits) << LowBits))  in CanEvaluateShifted()
150     if (CI->getValue() == NumBits) return true;  in CanEvaluateShifted()
156     if (CI->getValue().ult(TypeWidth) && CI->getZExtValue() > NumBits) {  in CanEvaluateShifted()
157       unsigned LowBits = CI->getZExtValue() - NumBits;  in CanEvaluateShifted()
159                           APInt::getLowBitsSet(TypeWidth, NumBits) << LowBits))  in CanEvaluateShifted()
167     return CanEvaluateShifted(SI->getTrueValue(), NumBits, isLeftShift, IC) &&  in CanEvaluateShifted()
168            CanEvaluateShifted(SI->getFalseValue(), NumBits, isLeftShift, IC);  in CanEvaluateShifted()
176       if (!CanEvaluateShifted(PN->getIncomingValue(i), NumBits, isLeftShift,IC))  in CanEvaluateShifted()
185 static Value *GetShiftedValue(Value *V, unsigned NumBits, bool isLeftShift,  in GetShiftedValue()  argument
190       V = IC.Builder->CreateShl(C, NumBits);  in GetShiftedValue()
192       V = IC.Builder->CreateLShr(C, NumBits);  in GetShiftedValue()
209     I->setOperand(0, GetShiftedValue(I->getOperand(0), NumBits,isLeftShift,IC));  in GetShiftedValue()
210     I->setOperand(1, GetShiftedValue(I->getOperand(1), NumBits,isLeftShift,IC));  in GetShiftedValue()
223       unsigned NewShAmt = NumBits+CI->getZExtValue();  in GetShiftedValue()
235     if (CI->getValue() == NumBits) {  in GetShiftedValue()
236       APInt Mask(APInt::getLowBitsSet(TypeWidth, TypeWidth - NumBits));  in GetShiftedValue()
248     assert(CI->getZExtValue() > NumBits);  in GetShiftedValue()
250                                        CI->getZExtValue() - NumBits));  in GetShiftedValue()
264       unsigned NewShAmt = NumBits+CI->getZExtValue();  in GetShiftedValue()
275     if (CI->getValue() == NumBits) {  in GetShiftedValue()
276       APInt Mask(APInt::getHighBitsSet(TypeWidth, TypeWidth - NumBits));  in GetShiftedValue()
288     assert(CI->getZExtValue() > NumBits);  in GetShiftedValue()
290                                        CI->getZExtValue() - NumBits));  in GetShiftedValue()
296     I->setOperand(1, GetShiftedValue(I->getOperand(1), NumBits,isLeftShift,IC));  in GetShiftedValue()
297     I->setOperand(2, GetShiftedValue(I->getOperand(2), NumBits,isLeftShift,IC));  in GetShiftedValue()
306                                               NumBits, isLeftShift, IC));  in GetShiftedValue()