1054   void calculatePostIncRange(Instruction *NarrowDef, Instruction *NarrowUser);
1070     Instruction *NarrowDef = nullptr;  member
1081         : NarrowDef(ND), NarrowUse(NU), WideDef(WD),  in NarrowIVDefUse()
1119   void pushNarrowIVUsers(Instruction *NarrowDef, Instruction *WideDef);
1229   Instruction *NarrowDef = DU.NarrowDef;  in cloneBitwiseIVUser()  local
1238   bool IsSigned = getExtendKind(NarrowDef) == ExtendKind::Sign;  in cloneBitwiseIVUser()
1239   Value *LHS = (NarrowUse->getOperand(0) == NarrowDef)  in cloneBitwiseIVUser()
1243   Value *RHS = (NarrowUse->getOperand(1) == NarrowDef)  in cloneBitwiseIVUser()
1260   Instruction *NarrowDef = DU.NarrowDef;  in cloneArithmeticIVUser()  local
1265   unsigned IVOpIdx = (NarrowUse->getOperand(0) == NarrowDef) ? 0 : 1;  in cloneArithmeticIVUser()
1303   bool SignExtend = getExtendKind(NarrowDef) == ExtendKind::Sign;  in cloneArithmeticIVUser()
1310   Value *LHS = (NarrowUse->getOperand(0) == NarrowDef)  in cloneArithmeticIVUser()
1314   Value *RHS = (NarrowUse->getOperand(1) == NarrowDef)  in cloneArithmeticIVUser()
1368       DU.NarrowUse->getOperand(0) == DU.NarrowDef ? 1 : 0;  in getExtendedOperandRecurrence()
1369   assert(DU.NarrowUse->getOperand(1-ExtendOperIdx) == DU.NarrowDef && "bad DU");  in getExtendedOperandRecurrence()
1374   ExtendKind ExtKind = getExtendKind(DU.NarrowDef);  in getExtendedOperandRecurrence()
1432   } else if (getExtendKind(DU.NarrowDef) == ExtendKind::Sign) {  in getWideRecurrence()
1449   auto *InsertPt = getInsertPointForUses(DU.NarrowUse, DU.NarrowDef, DT, LI);  in truncateIVUse()
1455   Value *Trunc = Builder.CreateTrunc(DU.WideDef, DU.NarrowDef->getType());  in truncateIVUse()
1456   DU.NarrowUse->replaceUsesOfWith(DU.NarrowDef, Trunc);  in truncateIVUse()
1481   bool IsSigned = getExtendKind(DU.NarrowDef) == ExtendKind::Sign;  in widenLoopCompare()
1485   Value *Op = Cmp->getOperand(Cmp->getOperand(0) == DU.NarrowDef ? 1 : 0);  in widenLoopCompare()
1491   auto *InsertPt = getInsertPointForUses(DU.NarrowUse, DU.NarrowDef, DT, LI);  in widenLoopCompare()
1495   DU.NarrowUse->replaceUsesOfWith(DU.NarrowDef, DU.WideDef);  in widenLoopCompare()
1527   Instruction *NarrowDef = DU.NarrowDef;  in widenWithVariantUse()  local
1539   assert((NarrowUse->getOperand(0) == NarrowDef ||  in widenWithVariantUse()
1540           NarrowUse->getOperand(1) == NarrowDef) &&  in widenWithVariantUse()
1545   ExtendKind ExtKind = getExtendKind(NarrowDef);  in widenWithVariantUse()
1560     if (User == NarrowDef)  in widenWithVariantUse()
1612     if (NarrowUse->getOperand(0) != NarrowDef)  in widenWithVariantUse()
1635       (NarrowUse->getOperand(0) == NarrowDef)  in widenWithVariantUse()
1640       (NarrowUse->getOperand(1) == NarrowDef)  in widenWithVariantUse()
1702   assert(ExtendKindMap.count(DU.NarrowDef) &&  in widenIVUse()
1725         Value *Trunc = Builder.CreateTrunc(WidePhi, DU.NarrowDef->getType());  in widenIVUse()
1738     return DU.NeverNegative || getExtendKind(DU.NarrowDef) == ExtendKind::Sign;  in widenIVUse()
1741     return DU.NeverNegative || getExtendKind(DU.NarrowDef) == ExtendKind::Zero;  in widenIVUse()
1763         DU.NarrowUse->replaceUsesOfWith(DU.NarrowDef, DU.WideDef);  in widenIVUse()
1846 void WidenIV::pushNarrowIVUsers(Instruction *NarrowDef, Instruction *WideDef) {  in pushNarrowIVUsers()  argument
1847   const SCEV *NarrowSCEV = SE->getSCEV(NarrowDef);  in pushNarrowIVUsers()
1851   for (User *U : NarrowDef->users()) {  in pushNarrowIVUsers()
1861       if (auto RangeInfo = getPostIncRangeInfo(NarrowDef, NarrowUser))  in pushNarrowIVUsers()
1865     NarrowIVUsers.emplace_back(NarrowDef, NarrowUser, WideDef,  in pushNarrowIVUsers()
1972     if (DU.NarrowDef->use_empty())  in createWideIV()
1973       DeadInsts.emplace_back(DU.NarrowDef);  in createWideIV()
1984 void WidenIV::calculatePostIncRange(Instruction *NarrowDef,  in calculatePostIncRange()  argument
1990   if (!match(NarrowDef, m_NSWAdd(m_Value(NarrowDefLHS),  in calculatePostIncRange()
2012     updatePostIncRangeInfo(NarrowDef, NarrowUser, NarrowDefRange);  in calculatePostIncRange()
2070     Instruction *NarrowDef = Worklist.pop_back_val();  in calculatePostIncRanges()  local
2072     for (Use &U : NarrowDef->uses()) {  in calculatePostIncRanges()
2085       calculatePostIncRange(NarrowDef, NarrowUser);  in calculatePostIncRanges()