Max Kazantsev
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1eba8752d7
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[SCEV] Smart range calculation for SCEVUnknown Phis
The range of SCEVUnknown Phi which merges values `X1, X2, ..., XN`
can be evaluated as `U(Range(X1), Range(X2), ..., Range(XN))`.
Reviewed By: sanjoy
Differential Revision: https://reviews.llvm.org/D43810
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@326418 91177308-0d34-0410-b5e6-96231b3b80d8
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2018-03-01 06:56:48 +00:00 |
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