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Author SHA1 Message Date
Michael Kruse e448364320 [SCEVAffinator] Fix assertion checking for constant divisor. 
An assertion in visitSDivInstruction() checked whether the divisor is constant
by checking whether the argument is a ConstantInt. However, SCEVValidator allows
the divisor to be simplified to a constant by ScalarEvolution.

We synchronize the implementation of SCEVValidator and SCEVAffinator to both
accept simplified SCEV expressions.

llvm-svn: 275174
 2016-07-12 15:08:47 +00:00