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Commit f2a9a513 authored by David Majnemer's avatar David Majnemer
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InstCombine: add more transforms 

C1-X <u C2 -> (X|(C2-1)) == C1
C1-X >u C2 -> (X|C2) == C1
X-C1 <u C2 -> (X & -C2) == C1
X-C1 >u C2 -> (X & ~C2) == C1

llvm-svn: 185909
parent 6331da06
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