88   ExtractElementInst *getShuffleExtract(ExtractElementInst *Ext0,
91   bool isExtractExtractCheap(ExtractElementInst *Ext0, ExtractElementInst *Ext1,
95   void foldExtExtCmp(ExtractElementInst *Ext0, ExtractElementInst *Ext1,
97   void foldExtExtBinop(ExtractElementInst *Ext0, ExtractElementInst *Ext1,
258     ExtractElementInst *Ext0, ExtractElementInst *Ext1,  in getShuffleExtract()  argument
260   auto *Index0C = dyn_cast<ConstantInt>(Ext0->getIndexOperand());  in getShuffleExtract()
271   Type *VecTy = Ext0->getVectorOperand()->getType();  in getShuffleExtract()
274       TTI.getVectorInstrCost(Ext0->getOpcode(), VecTy, Index0);  in getShuffleExtract()
286     return Ext0;  in getShuffleExtract()
295     return Ext0;  in getShuffleExtract()
298   return Index0 > Index1 ? Ext0 : Ext1;  in getShuffleExtract()
306 bool VectorCombine::isExtractExtractCheap(ExtractElementInst *Ext0,  in isExtractExtractCheap()  argument
311   auto *Ext0IndexC = dyn_cast<ConstantInt>(Ext0->getOperand(1));  in isExtractExtractCheap()
316   Type *ScalarTy = Ext0->getType();  in isExtractExtractCheap()
317   auto *VecTy = cast<VectorType>(Ext0->getOperand(0)->getType());  in isExtractExtractCheap()
357   if (Ext0->getOperand(0) == Ext1->getOperand(0) && Ext0Index == Ext1Index) {  in isExtractExtractCheap()
362     bool HasUseTax = Ext0 == Ext1 ? !Ext0->hasNUses(2)  in isExtractExtractCheap()
363                                   : !Ext0->hasOneUse() || !Ext1->hasOneUse();  in isExtractExtractCheap()
371               !Ext0->hasOneUse() * Extract0Cost +  in isExtractExtractCheap()
375   ConvertToShuffle = getShuffleExtract(Ext0, Ext1, PreferredExtractIndex);  in isExtractExtractCheap()
437 void VectorCombine::foldExtExtCmp(ExtractElementInst *Ext0,  in foldExtExtCmp()  argument
440   assert(cast<ConstantInt>(Ext0->getIndexOperand())->getZExtValue() ==  in foldExtExtCmp()
447   Value *V0 = Ext0->getVectorOperand(), *V1 = Ext1->getVectorOperand();  in foldExtExtCmp()
449   Value *NewExt = Builder.CreateExtractElement(VecCmp, Ext0->getIndexOperand());  in foldExtExtCmp()
456 void VectorCombine::foldExtExtBinop(ExtractElementInst *Ext0,  in foldExtExtBinop()  argument
459   assert(cast<ConstantInt>(Ext0->getIndexOperand())->getZExtValue() ==  in foldExtExtBinop()
465   Value *V0 = Ext0->getVectorOperand(), *V1 = Ext1->getVectorOperand();  in foldExtExtBinop()
474   Value *NewExt = Builder.CreateExtractElement(VecBO, Ext0->getIndexOperand());  in foldExtExtBinop()
503   auto *Ext0 = cast<ExtractElementInst>(I0);  in foldExtractExtract()  local
511   if (isExtractExtractCheap(Ext0, Ext1, I, ExtractToChange, InsertIndex))  in foldExtractExtract()
515     unsigned CheapExtractIdx = ExtractToChange == Ext0 ? C1 : C0;  in foldExtractExtract()
520     if (ExtractToChange == Ext0)  in foldExtractExtract()
521       Ext0 = NewExtract;  in foldExtractExtract()
527     foldExtExtCmp(Ext0, Ext1, I);  in foldExtractExtract()
529     foldExtExtBinop(Ext0, Ext1, I);  in foldExtractExtract()
531   Worklist.push(Ext0);  in foldExtractExtract()
742   auto *Ext0 = cast<ExtractElementInst>(I0);  in foldExtractedCmps()  local
744   ExtractElementInst *ConvertToShuf = getShuffleExtract(Ext0, Ext1);  in foldExtractedCmps()
758       TTI.getVectorInstrCost(Ext0->getOpcode(), VecTy, Index0);  in foldExtractedCmps()
769   int CheapIndex = ConvertToShuf == Ext0 ? Index1 : Index0;  in foldExtractedCmps()
770   int ExpensiveIndex = ConvertToShuf == Ext0 ? Index0 : Index1;  in foldExtractedCmps()
779   NewCost += TTI.getVectorInstrCost(Ext0->getOpcode(), CmpTy, CheapIndex);  in foldExtractedCmps()