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llvm-6502/lib/Analysis/ValueTracking.cpp
Duncan Sands 5ff30e70f8 Just mark the sign bit as known zero, rather than any other irrelevant bits 
known zero in the LHS.  Fixes PR12541.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30 11:56:58 +00:00

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