72   bool IsSecondShiftLeft = SecondShift->getOpcode() == Instruction::Shl;  in canEvaluateShiftedShift()
153   switch (I->getOpcode()) {  in CanEvaluateShifted()
205   switch (I->getOpcode()) {  in GetShiftedValue()
324   bool isLeftShift = I.getOpcode() == Instruction::Shl;  in FoldShiftByConstant()
339   if (I.getOpcode() != Instruction::AShr &&  in FoldShiftByConstant()
357     if (BO->getOpcode() == Instruction::Mul && isLeftShift)  in FoldShiftByConstant()
383       Value *NSh = Builder->CreateBinOp(I.getOpcode(), TrOp, ShAmt,I.getName());  in FoldShiftByConstant()
397       if (I.getOpcode() == Instruction::Shl)  in FoldShiftByConstant()
400         assert(I.getOpcode() == Instruction::LShr && "Unknown logical shift");  in FoldShiftByConstant()
419       switch (Op0BO->getOpcode()) {  in FoldShiftByConstant()
433           Value *X = Builder->CreateBinOp(Op0BO->getOpcode(), YS, V1,  in FoldShiftByConstant()
456           return BinaryOperator::Create(Op0BO->getOpcode(), YS, XM);  in FoldShiftByConstant()
469           Value *X = Builder->CreateBinOp(Op0BO->getOpcode(), V1, YS,  in FoldShiftByConstant()
491           return BinaryOperator::Create(Op0BO->getOpcode(), XM, YS);  in FoldShiftByConstant()
505         switch (Op0BO->getOpcode()) {  in FoldShiftByConstant()
525         if (isValid && I.getOpcode() == Instruction::AShr)  in FoldShiftByConstant()
529           Constant *NewRHS = ConstantExpr::get(I.getOpcode(), Op0C, Op1);  in FoldShiftByConstant()
532             Builder->CreateBinOp(I.getOpcode(), Op0BO->getOperand(0), Op1);  in FoldShiftByConstant()
535           return BinaryOperator::Create(Op0BO->getOpcode(), NewShift,  in FoldShiftByConstant()
571     if (I.getOpcode() == ShiftOp->getOpcode()) {  in FoldShiftByConstant()
576         if (I.getOpcode() != Instruction::AShr)  in FoldShiftByConstant()
581       return BinaryOperator::Create(I.getOpcode(), X,  in FoldShiftByConstant()
587       if (I.getOpcode() == Instruction::LShr &&  in FoldShiftByConstant()
588           ShiftOp->getOpcode() == Instruction::Shl) {  in FoldShiftByConstant()
599       if (I.getOpcode() == Instruction::Shl &&  in FoldShiftByConstant()
600           ShiftOp->getOpcode() != Instruction::Shl &&  in FoldShiftByConstant()
602         assert(ShiftOp->getOpcode() == Instruction::LShr ||  in FoldShiftByConstant()
603                ShiftOp->getOpcode() == Instruction::AShr);  in FoldShiftByConstant()
613       if (I.getOpcode() == Instruction::LShr &&  in FoldShiftByConstant()
614           ShiftOp->getOpcode() == Instruction::Shl) {  in FoldShiftByConstant()
632       if (I.getOpcode() == Instruction::AShr &&  in FoldShiftByConstant()
633           ShiftOp->getOpcode() == Instruction::Shl) {  in FoldShiftByConstant()
650       if (I.getOpcode() == Instruction::Shl &&  in FoldShiftByConstant()
651           ShiftOp->getOpcode() != Instruction::Shl &&  in FoldShiftByConstant()
654         BinaryOperator *NewShr = BinaryOperator::Create(ShiftOp->getOpcode(),  in FoldShiftByConstant()
661       if (I.getOpcode() == Instruction::LShr &&  in FoldShiftByConstant()
662           ShiftOp->getOpcode() == Instruction::Shl) {  in FoldShiftByConstant()
680       if (I.getOpcode() == Instruction::AShr &&  in FoldShiftByConstant()
681           ShiftOp->getOpcode() == Instruction::Shl) {  in FoldShiftByConstant()