Don't generate silly matching code like this:
Don't generate silly matching code like this:

 if (N1.getOpcode() == ISD::ADD &&
     ...)
   if (... &&
       (N1.getNumOperands() == 1 || !isNonImmUse(N1.Val, N10.Val))) &&
       ...)

TableGen knows N1 must have more than one operand.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@26592 91177308-0d34-0410-b5e6-96231b3b80d8

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