1810 static bool isConstantOrUndef(int Op, int Val) {  in isConstantOrUndef()  function
1827       if (!isConstantOrUndef(N->getMaskElt(i), i*2+1))  in isVPKUHUMShuffleMask()
1833       if (!isConstantOrUndef(N->getMaskElt(i), i*2))  in isVPKUHUMShuffleMask()
1838       if (!isConstantOrUndef(N->getMaskElt(i),    i*2+j) ||  in isVPKUHUMShuffleMask()
1839           !isConstantOrUndef(N->getMaskElt(i+8),  i*2+j))  in isVPKUHUMShuffleMask()
1858       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+2) ||  in isVPKUWUMShuffleMask()
1859           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+3))  in isVPKUWUMShuffleMask()
1865       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2) ||  in isVPKUWUMShuffleMask()
1866           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+1))  in isVPKUWUMShuffleMask()
1871       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+j)   ||  in isVPKUWUMShuffleMask()
1872           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+j+1) ||  in isVPKUWUMShuffleMask()
1873           !isConstantOrUndef(N->getMaskElt(i+8),  i*2+j)   ||  in isVPKUWUMShuffleMask()
1874           !isConstantOrUndef(N->getMaskElt(i+9),  i*2+j+1))  in isVPKUWUMShuffleMask()
1899       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+4) ||  in isVPKUDUMShuffleMask()
1900           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+5) ||  in isVPKUDUMShuffleMask()
1901           !isConstantOrUndef(N->getMaskElt(i+2),  i*2+6) ||  in isVPKUDUMShuffleMask()
1902           !isConstantOrUndef(N->getMaskElt(i+3),  i*2+7))  in isVPKUDUMShuffleMask()
1908       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2) ||  in isVPKUDUMShuffleMask()
1909           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+1) ||  in isVPKUDUMShuffleMask()
1910           !isConstantOrUndef(N->getMaskElt(i+2),  i*2+2) ||  in isVPKUDUMShuffleMask()
1911           !isConstantOrUndef(N->getMaskElt(i+3),  i*2+3))  in isVPKUDUMShuffleMask()
1916       if (!isConstantOrUndef(N->getMaskElt(i  ),  i*2+j)   ||  in isVPKUDUMShuffleMask()
1917           !isConstantOrUndef(N->getMaskElt(i+1),  i*2+j+1) ||  in isVPKUDUMShuffleMask()
1918           !isConstantOrUndef(N->getMaskElt(i+2),  i*2+j+2) ||  in isVPKUDUMShuffleMask()
1919           !isConstantOrUndef(N->getMaskElt(i+3),  i*2+j+3) ||  in isVPKUDUMShuffleMask()
1920           !isConstantOrUndef(N->getMaskElt(i+8),  i*2+j)   ||  in isVPKUDUMShuffleMask()
1921           !isConstantOrUndef(N->getMaskElt(i+9),  i*2+j+1) ||  in isVPKUDUMShuffleMask()
1922           !isConstantOrUndef(N->getMaskElt(i+10), i*2+j+2) ||  in isVPKUDUMShuffleMask()
1923           !isConstantOrUndef(N->getMaskElt(i+11), i*2+j+3))  in isVPKUDUMShuffleMask()
1940       if (!isConstantOrUndef(N->getMaskElt(i*UnitSize*2+j),  in isVMerge()
1942           !isConstantOrUndef(N->getMaskElt(i*UnitSize*2+UnitSize+j),  in isVMerge()
2048       if (!isConstantOrUndef(N->getMaskElt(i*4+j),  in isVMerge()
2050           !isConstantOrUndef(N->getMaskElt(i*4+j+8),  in isVMerge()
2124       if (!isConstantOrUndef(SVOp->getMaskElt(i), ShiftAmt+i))  in isVSLDOIShuffleMask()
2129       if (!isConstantOrUndef(SVOp->getMaskElt(i), (ShiftAmt+i) & 15))  in isVSLDOIShuffleMask()