238   static Value *Extract(Value *Idx, GetElementPtrInst *GEP,
244   static int64_t Find(Value *Idx, GetElementPtrInst *GEP,
387   bool splitGEP(GetElementPtrInst *GEP);
414   int64_t accumulateByteOffset(GetElementPtrInst *GEP, bool &NeedsExtraction);
431   bool canonicalizeArrayIndicesToPointerSize(GetElementPtrInst *GEP);
767 Value *ConstantOffsetExtractor::Extract(Value *Idx, GetElementPtrInst *GEP,  in Extract()  argument
770   ConstantOffsetExtractor Extractor(GEP, DT);  in Extract()
774                      GEP->isInBounds());  in Extract()
785 int64_t ConstantOffsetExtractor::Find(Value *Idx, GetElementPtrInst *GEP,  in Find()  argument
788   return ConstantOffsetExtractor(GEP, DT)  in Find()
790             GEP->isInBounds())  in Find()
795     GetElementPtrInst *GEP) {  in canonicalizeArrayIndicesToPointerSize()  argument
797   Type *IntPtrTy = DL->getIntPtrType(GEP->getType());  in canonicalizeArrayIndicesToPointerSize()
798   gep_type_iterator GTI = gep_type_begin(*GEP);  in canonicalizeArrayIndicesToPointerSize()
799   for (User::op_iterator I = GEP->op_begin() + 1, E = GEP->op_end();  in canonicalizeArrayIndicesToPointerSize()
804         *I = CastInst::CreateIntegerCast(*I, IntPtrTy, true, "idxprom", GEP);  in canonicalizeArrayIndicesToPointerSize()
813 SeparateConstOffsetFromGEP::accumulateByteOffset(GetElementPtrInst *GEP,  in accumulateByteOffset()  argument
817   gep_type_iterator GTI = gep_type_begin(*GEP);  in accumulateByteOffset()
818   for (unsigned I = 1, E = GEP->getNumOperands(); I != E; ++I, ++GTI) {  in accumulateByteOffset()
822           ConstantOffsetExtractor::Find(GEP->getOperand(I), GEP, DT);  in accumulateByteOffset()
833       uint64_t Field = cast<ConstantInt>(GEP->getOperand(I))->getZExtValue();  in accumulateByteOffset()
962 bool SeparateConstOffsetFromGEP::splitGEP(GetElementPtrInst *GEP) {  in splitGEP()  argument
964   if (GEP->getType()->isVectorTy())  in splitGEP()
969   if (GEP->hasAllConstantIndices())  in splitGEP()
972   bool Changed = canonicalizeArrayIndicesToPointerSize(GEP);  in splitGEP()
975   int64_t AccumulativeByteOffset = accumulateByteOffset(GEP, NeedsExtraction);  in splitGEP()
980   TargetTransformInfo &TTI = GetTTI(*GEP->getFunction());  in splitGEP()
990     unsigned AddrSpace = GEP->getPointerAddressSpace();  in splitGEP()
991     if (!TTI.isLegalAddressingMode(GEP->getResultElementType(),  in splitGEP()
1006   gep_type_iterator GTI = gep_type_begin(*GEP);  in splitGEP()
1007   for (unsigned I = 1, E = GEP->getNumOperands(); I != E; ++I, ++GTI) {  in splitGEP()
1011       Value *OldIdx = GEP->getOperand(I);  in splitGEP()
1014           ConstantOffsetExtractor::Extract(OldIdx, GEP, UserChainTail, DT);  in splitGEP()
1017         GEP->setOperand(I, NewIdx);  in splitGEP()
1045   bool GEPWasInBounds = GEP->isInBounds();  in splitGEP()
1046   GEP->setIsInBounds(false);  in splitGEP()
1053       lowerToSingleIndexGEPs(GEP, AccumulativeByteOffset);  in splitGEP()
1055       lowerToArithmetics(GEP, AccumulativeByteOffset);  in splitGEP()
1091   Instruction *NewGEP = GEP->clone();  in splitGEP()
1092   NewGEP->insertBefore(GEP);  in splitGEP()
1098       DL->getTypeAllocSize(GEP->getResultElementType()));  in splitGEP()
1099   Type *IntPtrTy = DL->getIntPtrType(GEP->getType());  in splitGEP()
1104     NewGEP = GetElementPtrInst::Create(GEP->getResultElementType(), NewGEP,  in splitGEP()
1106                                        GEP->getName(), GEP);  in splitGEP()
1107     NewGEP->copyMetadata(*GEP);  in splitGEP()
1125     Type *I8PtrTy = Type::getInt8PtrTy(GEP->getContext(),  in splitGEP()
1126                                        GEP->getPointerAddressSpace());  in splitGEP()
1127     NewGEP = new BitCastInst(NewGEP, I8PtrTy, "", GEP);  in splitGEP()
1129         Type::getInt8Ty(GEP->getContext()), NewGEP,  in splitGEP()
1131         GEP);  in splitGEP()
1132     NewGEP->copyMetadata(*GEP);  in splitGEP()
1135     if (GEP->getType() != I8PtrTy)  in splitGEP()
1136       NewGEP = new BitCastInst(NewGEP, GEP->getType(), GEP->getName(), GEP);  in splitGEP()
1139   GEP->replaceAllUsesWith(NewGEP);  in splitGEP()
1140   GEP->eraseFromParent();  in splitGEP()
1170       if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(&I))  in run()  local
1171         Changed |= splitGEP(GEP);  in run()