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/llvm-project-15.0.7/llvm/lib/Transforms/InstCombine/
H A DInstCombineVectorOps.cpp2794 ShuffleVectorInst* LHSShuffle = dyn_cast<ShuffleVectorInst>(LHS); in visitShuffleVectorInst() local
2796 if (LHSShuffle) in visitShuffleVectorInst()
2797 if (!match(LHSShuffle->getOperand(1), m_Undef()) && !match(RHS, m_Undef())) in visitShuffleVectorInst()
2798 LHSShuffle = nullptr; in visitShuffleVectorInst()
2802 if (!LHSShuffle && !RHSShuffle) in visitShuffleVectorInst()
2810 if (LHSShuffle) { in visitShuffleVectorInst()
2811 LHSOp0 = LHSShuffle->getOperand(0); in visitShuffleVectorInst()
2812 LHSOp1 = LHSShuffle->getOperand(1); in visitShuffleVectorInst()
2821 if (LHSShuffle) { in visitShuffleVectorInst()
2848 LHSMask = LHSShuffle->getShuffleMask(); in visitShuffleVectorInst()