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Commit 942003ac authored by David Majnemer's avatar David Majnemer
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Do (A == C1 || A == C2) -> (A & ~(C1 ^ C2)) == C1 rather than (A == C1 || A ==... 

Do (A == C1 || A == C2) -> (A & ~(C1 ^ C2)) == C1 rather than (A == C1 || A == C2) -> (A | (C1 ^ C2)) == C2 when C1 ^ C2 is a power of 2.

Differential Revision: http://reviews.llvm.org/D14223

Patch by Amaury SECHET!

llvm-svn: 254518
parent c5a6da0e
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