3048   unsigned OpOpcode = Operand.getNode()->getOpcode();  in getNode()  local
3078     if (OpOpcode == ISD::SIGN_EXTEND || OpOpcode == ISD::ZERO_EXTEND)  in getNode()
3079       return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));  in getNode()
3080     else if (OpOpcode == ISD::UNDEF)  in getNode()
3094     if (OpOpcode == ISD::ZERO_EXTEND)   // (zext (zext x)) -> (zext x)  in getNode()
3097     else if (OpOpcode == ISD::UNDEF)  in getNode()
3112     if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||  in getNode()
3113         OpOpcode == ISD::ANY_EXTEND)  in getNode()
3115       return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));  in getNode()
3116     else if (OpOpcode == ISD::UNDEF)  in getNode()
3120     if (OpOpcode == ISD::TRUNCATE) {  in getNode()
3136     if (OpOpcode == ISD::TRUNCATE)  in getNode()
3138     if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||  in getNode()
3139         OpOpcode == ISD::ANY_EXTEND) {  in getNode()
3143         return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));  in getNode()
3148     if (OpOpcode == ISD::UNDEF)  in getNode()
3156     if (OpOpcode == ISD::UNDEF)  in getNode()
3162     if (OpOpcode == ISD::UNDEF)  in getNode()
3170     if (OpOpcode == ISD::BITCAST)  // bitconv(bitconv(x)) -> bitconv(x)  in getNode()
3172     if (OpOpcode == ISD::UNDEF)  in getNode()
3182     if (OpOpcode == ISD::UNDEF)  in getNode()
3185     if (OpOpcode == ISD::EXTRACT_VECTOR_ELT &&  in getNode()
3193     if (getTarget().Options.UnsafeFPMath && OpOpcode == ISD::FSUB)  in getNode()
3198     if (OpOpcode == ISD::FNEG)  // --X -> X  in getNode()
3202     if (OpOpcode == ISD::FNEG)  // abs(-X) -> abs(X)  in getNode()