1342 Instruction *InstCombiner::FoldICmpShrCst(ICmpInst &ICI, BinaryOperator *Shr,  in FoldICmpShrCst()  argument
1357     if (ICI.isSigned() != (Shr->getOpcode() == Instruction::AShr))  in FoldICmpShrCst()
1363     if (Shr->getOpcode() == Instruction::AShr &&  in FoldICmpShrCst()
1364         (!Shr->isExact() || ShAmtVal == TypeBits - 1))  in FoldICmpShrCst()
1368     Worklist.Add(Shr);  in FoldICmpShrCst()
1371       ConstantInt::get(Shr->getType(), APInt::getOneBitSet(TypeBits, ShAmtVal));  in FoldICmpShrCst()
1374       Shr->getOpcode() == Instruction::AShr ?  in FoldICmpShrCst()
1375       Builder->CreateSDiv(Shr->getOperand(0), DivCst, "", Shr->isExact()) :  in FoldICmpShrCst()
1376       Builder->CreateUDiv(Shr->getOperand(0), DivCst, "", Shr->isExact());  in FoldICmpShrCst()
1398   if (Shr->getOpcode() == Instruction::LShr)  in FoldICmpShrCst()
1412   if (Shr->hasOneUse() && Shr->isExact())  in FoldICmpShrCst()
1413     return new ICmpInst(ICI.getPredicate(), Shr->getOperand(0), ShiftedCmpRHS);  in FoldICmpShrCst()
1415   if (Shr->hasOneUse()) {  in FoldICmpShrCst()
1420     Value *And = Builder->CreateAnd(Shr->getOperand(0),  in FoldICmpShrCst()
1421                                     Mask, Shr->getName()+".mask");  in FoldICmpShrCst()