1871 static bool isConstantOrUndef(int Op, int Val) {  in isConstantOrUndef()  function
1888       if (!isConstantOrUndef(N->getMaskElt(i), i*2+1))  in isVPKUHUMShuffleMask()
1894       if (!isConstantOrUndef(N->getMaskElt(i), i*2))  in isVPKUHUMShuffleMask()
1899       if (!isConstantOrUndef(N->getMaskElt(i),    i*2+j) ||  in isVPKUHUMShuffleMask()
1900           !isConstantOrUndef(N->getMaskElt(i+8),  i*2+j))  in isVPKUHUMShuffleMask()
1919       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+2) ||  in isVPKUWUMShuffleMask()
1920           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+3))  in isVPKUWUMShuffleMask()
1926       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2) ||  in isVPKUWUMShuffleMask()
1927           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+1))  in isVPKUWUMShuffleMask()
1932       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+j)   ||  in isVPKUWUMShuffleMask()
1933           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+j+1) ||  in isVPKUWUMShuffleMask()
1934           !isConstantOrUndef(N->getMaskElt(i+8),  i*2+j)   ||  in isVPKUWUMShuffleMask()
1935           !isConstantOrUndef(N->getMaskElt(i+9),  i*2+j+1))  in isVPKUWUMShuffleMask()
1960       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+4) ||  in isVPKUDUMShuffleMask()
1961           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+5) ||  in isVPKUDUMShuffleMask()
1962           !isConstantOrUndef(N->getMaskElt(i+2),  i*2+6) ||  in isVPKUDUMShuffleMask()
1963           !isConstantOrUndef(N->getMaskElt(i+3),  i*2+7))  in isVPKUDUMShuffleMask()
1969       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2) ||  in isVPKUDUMShuffleMask()
1970           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+1) ||  in isVPKUDUMShuffleMask()
1971           !isConstantOrUndef(N->getMaskElt(i+2),  i*2+2) ||  in isVPKUDUMShuffleMask()
1972           !isConstantOrUndef(N->getMaskElt(i+3),  i*2+3))  in isVPKUDUMShuffleMask()
1977       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+j)   ||  in isVPKUDUMShuffleMask()
1978           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+j+1) ||  in isVPKUDUMShuffleMask()
1979           !isConstantOrUndef(N->getMaskElt(i+2),  i*2+j+2) ||  in isVPKUDUMShuffleMask()
1980           !isConstantOrUndef(N->getMaskElt(i+3),  i*2+j+3) ||  in isVPKUDUMShuffleMask()
1981           !isConstantOrUndef(N->getMaskElt(i+8),  i*2+j)   ||  in isVPKUDUMShuffleMask()
1982           !isConstantOrUndef(N->getMaskElt(i+9),  i*2+j+1) ||  in isVPKUDUMShuffleMask()
1983           !isConstantOrUndef(N->getMaskElt(i+10), i*2+j+2) ||  in isVPKUDUMShuffleMask()
1984           !isConstantOrUndef(N->getMaskElt(i+11), i*2+j+3))  in isVPKUDUMShuffleMask()
2001       if (!isConstantOrUndef(N->getMaskElt(i*UnitSize*2+j),  in isVMerge()
2003           !isConstantOrUndef(N->getMaskElt(i*UnitSize*2+UnitSize+j),  in isVMerge()
2109       if (!isConstantOrUndef(N->getMaskElt(i*4+j),  in isVMerge()
2111           !isConstantOrUndef(N->getMaskElt(i*4+j+8),  in isVMerge()
2185       if (!isConstantOrUndef(SVOp->getMaskElt(i), ShiftAmt+i))  in isVSLDOIShuffleMask()
2190       if (!isConstantOrUndef(SVOp->getMaskElt(i), (ShiftAmt+i) & 15))  in isVSLDOIShuffleMask()