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/llvm-project-15.0.7/llvm/lib/CodeGen/SelectionDAG/
H A DDAGCombiner.cpp22311 auto *InnerShuf = dyn_cast<ShuffleVectorSDNode>(OuterShuf->getOperand(0)); in formSplatFromShuffles() local
22312 if (!InnerShuf || !InnerShuf->getOperand(1).isUndef()) in formSplatFromShuffles()
22316 ArrayRef<int> InnerMask = InnerShuf->getMask(); in formSplatFromShuffles()
22348 assert(VT == InnerShuf->getValueType(0) && "Expected matching shuffle types"); in formSplatFromShuffles()
22352 return DAG.getVectorShuffle(VT, SDLoc(OuterShuf), InnerShuf->getOperand(0), in formSplatFromShuffles()
22353 InnerShuf->getOperand(1), CombinedMask); in formSplatFromShuffles()