Chris Lattner 6083bb9353 use the valuetracking isPowerOfTwo function, which is more powerful than checking
for a constant directly.  Thanks to Duncan for pointing this out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131885 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-23 00:09:55 +00:00
..