llvm-6502/test/Transforms/InstCombine/and.ll at 3acfb58b178d25b0671cbfb4fb20194e62b01a98

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David Majnemer 377a5c1a87 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185909 91177308-0d34-0410-b5e6-96231b3b80d8

2013-07-09 07:50:59 +00:00

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