514     } else if (auto *SVI = dyn_cast<ShuffleVectorInst>(I)) {  in visitExtractElementInst()  local
518       if (isa<FixedVectorType>(SVI->getType()) && isa<ConstantInt>(Index)) {  in visitExtractElementInst()
520             SVI->getMaskValue(cast<ConstantInt>(Index)->getZExtValue());  in visitExtractElementInst()
522         unsigned LHSWidth = cast<FixedVectorType>(SVI->getOperand(0)->getType())  in visitExtractElementInst()
528           Src = SVI->getOperand(0);  in visitExtractElementInst()
531           Src = SVI->getOperand(1);  in visitExtractElementInst()
1898 static bool isShuffleExtractingFromLHS(ShuffleVectorInst &SVI,  in isShuffleExtractingFromLHS()  argument
1901       cast<FixedVectorType>(SVI.getOperand(0)->getType())->getNumElements();  in isShuffleExtractingFromLHS()
2544 Instruction *InstCombinerImpl::visitShuffleVectorInst(ShuffleVectorInst &SVI) {  in visitShuffleVectorInst()  argument
2545   Value *LHS = SVI.getOperand(0);  in visitShuffleVectorInst()
2546   Value *RHS = SVI.getOperand(1);  in visitShuffleVectorInst()
2547   SimplifyQuery ShufQuery = SQ.getWithInstruction(&SVI);  in visitShuffleVectorInst()
2548   if (auto *V = simplifyShuffleVectorInst(LHS, RHS, SVI.getShuffleMask(),  in visitShuffleVectorInst()
2549                                           SVI.getType(), ShufQuery))  in visitShuffleVectorInst()
2550     return replaceInstUsesWith(SVI, V);  in visitShuffleVectorInst()
2556   unsigned VWidth = cast<FixedVectorType>(SVI.getType())->getNumElements();  in visitShuffleVectorInst()
2570           SVI.getType()->getScalarSizeInBits() &&  in visitShuffleVectorInst()
2572     Value *V = Builder.CreateShuffleVector(X, Y, SVI.getShuffleMask(),  in visitShuffleVectorInst()
2573                                            SVI.getName() + ".uncasted");  in visitShuffleVectorInst()
2574     return new BitCastInst(V, SVI.getType());  in visitShuffleVectorInst()
2577   ArrayRef<int> Mask = SVI.getShuffleMask();  in visitShuffleVectorInst()
2578   Type *Int32Ty = Type::getInt32Ty(SVI.getContext());  in visitShuffleVectorInst()
2605         return BitCastInst::Create(Instruction::BitCast, V, SVI.getType());  in visitShuffleVectorInst()
2618     SVI.commute();  in visitShuffleVectorInst()
2619     return &SVI;  in visitShuffleVectorInst()
2622   if (Instruction *I = canonicalizeInsertSplat(SVI, Builder))  in visitShuffleVectorInst()
2625   if (Instruction *I = foldSelectShuffle(SVI))  in visitShuffleVectorInst()
2628   if (Instruction *I = foldTruncShuffle(SVI, DL.isBigEndian()))  in visitShuffleVectorInst()
2631   if (Instruction *I = narrowVectorSelect(SVI, Builder))  in visitShuffleVectorInst()
2634   if (Instruction *I = foldFNegShuffle(SVI, Builder))  in visitShuffleVectorInst()
2637   if (Instruction *I = foldCastShuffle(SVI, Builder))  in visitShuffleVectorInst()
2642   if (Value *V = SimplifyDemandedVectorElts(&SVI, AllOnesEltMask, UndefElts)) {  in visitShuffleVectorInst()
2643     if (V != &SVI)  in visitShuffleVectorInst()
2644       return replaceInstUsesWith(SVI, V);  in visitShuffleVectorInst()
2645     return &SVI;  in visitShuffleVectorInst()
2648   if (Instruction *I = foldIdentityExtractShuffle(SVI))  in visitShuffleVectorInst()
2653   if (Instruction *I = foldShuffleWithInsert(SVI, *this))  in visitShuffleVectorInst()
2655   if (Instruction *I = foldIdentityPaddedShuffles(SVI))  in visitShuffleVectorInst()
2660     return replaceInstUsesWith(SVI, V);  in visitShuffleVectorInst()
2693   if (isShuffleExtractingFromLHS(SVI, Mask)) {  in visitShuffleVectorInst()
2703     for (User *U : SVI.users())  in visitShuffleVectorInst()
2729                                         SVI.getName() + ".extract");  in visitShuffleVectorInst()
2739               : Builder.CreateBitCast(V, CastSrcTy, SVI.getName() + ".bc");  in visitShuffleVectorInst()
2743           NewBC, ConstantInt::get(Int32Ty, BegIdx), SVI.getName() + ".extract");  in visitShuffleVectorInst()
2803     return MadeChange ? &SVI : nullptr;  in visitShuffleVectorInst()
2843     return MadeChange ? &SVI : nullptr;  in visitShuffleVectorInst()
2925   return MadeChange ? &SVI : nullptr;  in visitShuffleVectorInst()