722 static bool narrowSDivOrSRem(BinaryOperator *Instr, LazyValueInfo *LVI) {  in narrowSDivOrSRem()  argument
723   assert(Instr->getOpcode() == Instruction::SDiv ||  in narrowSDivOrSRem()
724          Instr->getOpcode() == Instruction::SRem);  in narrowSDivOrSRem()
725   if (Instr->getType()->isVectorTy())  in narrowSDivOrSRem()
730   unsigned OrigWidth = Instr->getType()->getIntegerBitWidth();  in narrowSDivOrSRem()
736   for (auto I : zip(Instr->operands(), CRs)) {  in narrowSDivOrSRem()
737     std::get<1>(I) = LVI->getConstantRange(std::get<0>(I), Instr);  in narrowSDivOrSRem()
756   IRBuilder<> B{Instr};  in narrowSDivOrSRem()
757   auto *TruncTy = Type::getIntNTy(Instr->getContext(), NewWidth);  in narrowSDivOrSRem()
758   auto *LHS = B.CreateTruncOrBitCast(Instr->getOperand(0), TruncTy,  in narrowSDivOrSRem()
759                                      Instr->getName() + ".lhs.trunc");  in narrowSDivOrSRem()
760   auto *RHS = B.CreateTruncOrBitCast(Instr->getOperand(1), TruncTy,  in narrowSDivOrSRem()
761                                      Instr->getName() + ".rhs.trunc");  in narrowSDivOrSRem()
762   auto *BO = B.CreateBinOp(Instr->getOpcode(), LHS, RHS, Instr->getName());  in narrowSDivOrSRem()
763   auto *Sext = B.CreateSExt(BO, Instr->getType(), Instr->getName() + ".sext");  in narrowSDivOrSRem()
766       BinOp->setIsExact(Instr->isExact());  in narrowSDivOrSRem()
768   Instr->replaceAllUsesWith(Sext);  in narrowSDivOrSRem()
769   Instr->eraseFromParent();  in narrowSDivOrSRem()
775 static bool processUDivOrURem(BinaryOperator *Instr, LazyValueInfo *LVI) {  in processUDivOrURem()  argument
776   assert(Instr->getOpcode() == Instruction::UDiv ||  in processUDivOrURem()
777          Instr->getOpcode() == Instruction::URem);  in processUDivOrURem()
778   if (Instr->getType()->isVectorTy())  in processUDivOrURem()
787   for (Value *Operand : Instr->operands()) {  in processUDivOrURem()
788     ConstantRange CR = LVI->getConstantRange(Operand, Instr);  in processUDivOrURem()
796   if (NewWidth >= Instr->getType()->getIntegerBitWidth())  in processUDivOrURem()
800   IRBuilder<> B{Instr};  in processUDivOrURem()
801   auto *TruncTy = Type::getIntNTy(Instr->getContext(), NewWidth);  in processUDivOrURem()
802   auto *LHS = B.CreateTruncOrBitCast(Instr->getOperand(0), TruncTy,  in processUDivOrURem()
803                                      Instr->getName() + ".lhs.trunc");  in processUDivOrURem()
804   auto *RHS = B.CreateTruncOrBitCast(Instr->getOperand(1), TruncTy,  in processUDivOrURem()
805                                      Instr->getName() + ".rhs.trunc");  in processUDivOrURem()
806   auto *BO = B.CreateBinOp(Instr->getOpcode(), LHS, RHS, Instr->getName());  in processUDivOrURem()
807   auto *Zext = B.CreateZExt(BO, Instr->getType(), Instr->getName() + ".zext");  in processUDivOrURem()
810       BinOp->setIsExact(Instr->isExact());  in processUDivOrURem()
812   Instr->replaceAllUsesWith(Zext);  in processUDivOrURem()
813   Instr->eraseFromParent();  in processUDivOrURem()
925 static bool processSDivOrSRem(BinaryOperator *Instr, LazyValueInfo *LVI) {  in processSDivOrSRem()  argument
926   assert(Instr->getOpcode() == Instruction::SDiv ||  in processSDivOrSRem()
927          Instr->getOpcode() == Instruction::SRem);  in processSDivOrSRem()
928   if (Instr->getType()->isVectorTy())  in processSDivOrSRem()
931   if (Instr->getOpcode() == Instruction::SDiv)  in processSDivOrSRem()
932     if (processSDiv(Instr, LVI))  in processSDivOrSRem()
935   if (Instr->getOpcode() == Instruction::SRem)  in processSDivOrSRem()
936     if (processSRem(Instr, LVI))  in processSDivOrSRem()
939   return narrowSDivOrSRem(Instr, LVI);  in processSDivOrSRem()