21 Instruction *InstCombiner::commonShiftTransforms(BinaryOperator &I) {  in commonShiftTransforms()
303                                                BinaryOperator &I) {  in FoldShiftByConstant()
335   if (BinaryOperator *BO = dyn_cast<BinaryOperator>(Op0))  in FoldShiftByConstant()
338         return BinaryOperator::CreateMul(BO->getOperand(0),  in FoldShiftByConstant()
394     if (BinaryOperator *Op0BO = dyn_cast<BinaryOperator>(Op0)) {  in FoldShiftByConstant()
415           return BinaryOperator::CreateAnd(X, ConstantInt::get(I.getContext(),  in FoldShiftByConstant()
425             cast<BinaryOperator>(Op0BOOp1)->getOperand(0)->hasOneUse()) {  in FoldShiftByConstant()
432           return BinaryOperator::Create(Op0BO->getOpcode(), YS, XM);  in FoldShiftByConstant()
448           return BinaryOperator::CreateAnd(X, ConstantInt::get(I.getContext(),  in FoldShiftByConstant()
457             cast<BinaryOperator>(Op0BO->getOperand(0))  in FoldShiftByConstant()
465           return BinaryOperator::Create(Op0BO->getOpcode(), XM, YS);  in FoldShiftByConstant()
509           return BinaryOperator::Create(Op0BO->getOpcode(), NewShift,  in FoldShiftByConstant()
517   BinaryOperator *ShiftOp = dyn_cast<BinaryOperator>(Op0);  in FoldShiftByConstant()
543       return BinaryOperator::Create(I.getOpcode(), X,  in FoldShiftByConstant()
552         return BinaryOperator::CreateAnd(X,  in FoldShiftByConstant()
559         return BinaryOperator::CreateAnd(X,  in FoldShiftByConstant()
573         return BinaryOperator::CreateAnd(Shift,  in FoldShiftByConstant()
584         return BinaryOperator::CreateAnd(Shift,  in FoldShiftByConstant()
600         return BinaryOperator::CreateAnd(Shift,  in FoldShiftByConstant()
610         return BinaryOperator::CreateAnd(Shift,  in FoldShiftByConstant()
620 Instruction *InstCombiner::visitShl(BinaryOperator &I) {  in visitShl()
653     return BinaryOperator::CreateShl(ConstantExpr::getShl(C1, C2), A);  in visitShl()
658 Instruction *InstCombiner::visitLShr(BinaryOperator &I) {  in visitLShr()
698 Instruction *InstCombiner::visitAShr(BinaryOperator &I) {  in visitAShr()
744     return BinaryOperator::CreateLShr(Op0, Op1);  in visitAShr()