220   static Value *Extract(Value *Idx, GetElementPtrInst *GEP,
225   static int64_t Find(Value *Idx, GetElementPtrInst *GEP,
344   bool splitGEP(GetElementPtrInst *GEP);
368   int64_t accumulateByteOffset(GetElementPtrInst *GEP, bool &NeedsExtraction);
384   bool canonicalizeArrayIndicesToPointerSize(GetElementPtrInst *GEP);
690 Value *ConstantOffsetExtractor::Extract(Value *Idx, GetElementPtrInst *GEP,  in Extract()  argument
693   ConstantOffsetExtractor Extractor(GEP, DT);  in Extract()
697                      GEP->isInBounds());  in Extract()
708 int64_t ConstantOffsetExtractor::Find(Value *Idx, GetElementPtrInst *GEP,  in Find()  argument
711   return ConstantOffsetExtractor(GEP, DT)  in Find()
713             GEP->isInBounds())  in Find()
718     GetElementPtrInst *GEP) {  in canonicalizeArrayIndicesToPointerSize()  argument
720   Type *IntPtrTy = DL->getIntPtrType(GEP->getType());  in canonicalizeArrayIndicesToPointerSize()
721   gep_type_iterator GTI = gep_type_begin(*GEP);  in canonicalizeArrayIndicesToPointerSize()
722   for (User::op_iterator I = GEP->op_begin() + 1, E = GEP->op_end();  in canonicalizeArrayIndicesToPointerSize()
727         *I = CastInst::CreateIntegerCast(*I, IntPtrTy, true, "idxprom", GEP);  in canonicalizeArrayIndicesToPointerSize()
736 SeparateConstOffsetFromGEP::accumulateByteOffset(GetElementPtrInst *GEP,  in accumulateByteOffset()  argument
740   gep_type_iterator GTI = gep_type_begin(*GEP);  in accumulateByteOffset()
741   for (unsigned I = 1, E = GEP->getNumOperands(); I != E; ++I, ++GTI) {  in accumulateByteOffset()
745           ConstantOffsetExtractor::Find(GEP->getOperand(I), GEP, DT);  in accumulateByteOffset()
756       uint64_t Field = cast<ConstantInt>(GEP->getOperand(I))->getZExtValue();  in accumulateByteOffset()
885 bool SeparateConstOffsetFromGEP::splitGEP(GetElementPtrInst *GEP) {  in splitGEP()  argument
887   if (GEP->getType()->isVectorTy())  in splitGEP()
892   if (GEP->hasAllConstantIndices())  in splitGEP()
895   bool Changed = canonicalizeArrayIndicesToPointerSize(GEP);  in splitGEP()
898   int64_t AccumulativeByteOffset = accumulateByteOffset(GEP, NeedsExtraction);  in splitGEP()
912             *GEP->getParent()->getParent());  in splitGEP()
913     unsigned AddrSpace = GEP->getPointerAddressSpace();  in splitGEP()
914     if (!TTI.isLegalAddressingMode(GEP->getResultElementType(),  in splitGEP()
929   gep_type_iterator GTI = gep_type_begin(*GEP);  in splitGEP()
930   for (unsigned I = 1, E = GEP->getNumOperands(); I != E; ++I, ++GTI) {  in splitGEP()
934       Value *OldIdx = GEP->getOperand(I);  in splitGEP()
937           ConstantOffsetExtractor::Extract(OldIdx, GEP, UserChainTail, DT);  in splitGEP()
940         GEP->setOperand(I, NewIdx);  in splitGEP()
968   bool GEPWasInBounds = GEP->isInBounds();  in splitGEP()
969   GEP->setIsInBounds(false);  in splitGEP()
975     if (TM && TM->getSubtargetImpl(*GEP->getParent()->getParent())->useAA())  in splitGEP()
976       lowerToSingleIndexGEPs(GEP, AccumulativeByteOffset);  in splitGEP()
978       lowerToArithmetics(GEP, AccumulativeByteOffset);  in splitGEP()
1014   Instruction *NewGEP = GEP->clone();  in splitGEP()
1015   NewGEP->insertBefore(GEP);  in splitGEP()
1021       DL->getTypeAllocSize(GEP->getResultElementType()));  in splitGEP()
1022   Type *IntPtrTy = DL->getIntPtrType(GEP->getType());  in splitGEP()
1027     NewGEP = GetElementPtrInst::Create(GEP->getResultElementType(), NewGEP,  in splitGEP()
1029                                        GEP->getName(), GEP);  in splitGEP()
1047     Type *I8PtrTy = Type::getInt8PtrTy(GEP->getContext(),  in splitGEP()
1048                                        GEP->getPointerAddressSpace());  in splitGEP()
1049     NewGEP = new BitCastInst(NewGEP, I8PtrTy, "", GEP);  in splitGEP()
1051         Type::getInt8Ty(GEP->getContext()), NewGEP,  in splitGEP()
1053         GEP);  in splitGEP()
1056     if (GEP->getType() != I8PtrTy)  in splitGEP()
1057       NewGEP = new BitCastInst(NewGEP, GEP->getType(), GEP->getName(), GEP);  in splitGEP()
1060   GEP->replaceAllUsesWith(NewGEP);  in splitGEP()
1061   GEP->eraseFromParent();  in splitGEP()
1080       if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(I++))  in runOnFunction()  local
1081         Changed |= splitGEP(GEP);  in runOnFunction()