1742 static bool isSingleSourceMaskImpl(ArrayRef<int> Mask, int NumOpElts) {  in isSingleSourceMaskImpl()  argument
1749     assert(Mask[i] >= 0 && Mask[i] < (NumOpElts * 2) &&  in isSingleSourceMaskImpl()
1751     UsesLHS |= (Mask[i] < NumOpElts);  in isSingleSourceMaskImpl()
1752     UsesRHS |= (Mask[i] >= NumOpElts);  in isSingleSourceMaskImpl()
1766 static bool isIdentityMaskImpl(ArrayRef<int> Mask, int NumOpElts) {  in isIdentityMaskImpl()  argument
1767   if (!isSingleSourceMaskImpl(Mask, NumOpElts))  in isIdentityMaskImpl()
1772     if (Mask[i] != i && Mask[i] != (NumOpElts + i))  in isIdentityMaskImpl()
1885   int NumOpElts = Op<0>()->getType()->getVectorNumElements();  in isIdentityWithPadding()  local
1887   if (NumMaskElts <= NumOpElts)  in isIdentityWithPadding()
1892   if (!isIdentityMaskImpl(Mask, NumOpElts))  in isIdentityWithPadding()
1896   for (int i = NumOpElts; i < NumMaskElts; ++i)  in isIdentityWithPadding()
1904   int NumOpElts = Op<0>()->getType()->getVectorNumElements();  in isIdentityWithExtract()  local
1906   if (NumMaskElts >= NumOpElts)  in isIdentityWithExtract()
1909   return isIdentityMaskImpl(getShuffleMask(), NumOpElts);  in isIdentityWithExtract()
1917   int NumOpElts = Op<0>()->getType()->getVectorNumElements();  in isConcat()  local
1919   if (NumMaskElts != NumOpElts * 2)  in isConcat()