David Majnemer 1a08accbb7 Simplify (A & ~B) in icmp if A is a power of 2 ...

The transform will execute like so:
(A & ~B) == 0 --> (A & B) != 0
(A & ~B) != 0 --> (A & B) == 0

llvm-svn: 179386

2013-04-12 17:25:07 +00:00

134 KiB

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